Yellowstone National Park, Wyoming
Regional Weather Alerts
| Alert: | Special Weather Statement |
| Area(s): | Treasure; Northern Big Horn; Northeastern Yellowstone; Southwestern Yellowstone |
| Effective: | 2026-04-22 @ 6:45 pm |
| Onset: | 2026-04-22 @ 6:45 pm -> 2026-04-22 @ 7:30 pm |
| Severity: | Moderate |
| Certainty: | Observed |
| Urgency: | Expected |
| Issued By: | NWS Billings MT on 2026-04-22 @ 6:45 pm |
| Headline: | Special Weather Statement issued April 22 at 5:45PM MDT by NWS Billings MT |
| Description: |
At 545 PM MDT, Doppler radar was tracking an area of strong thunderstorms 12 miles southeast of Ballantine, or 17 miles northwest of Hardin, moving north at 30 mph. HAZARD...Wind gusts up to 50 mph. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Hardin, Custer, Ballantine and Pompeys Pillar. |
| Alert: | Special Weather Statement |
| Area(s): | Central and Southern Valley; Western Roosevelt; Garfield; McCone; Richland |
| Effective: | 2026-04-22 @ 6:43 pm |
| Onset: | 2026-04-22 @ 6:43 pm -> 2026-04-22 @ 7:45 pm |
| Severity: | Moderate |
| Certainty: | Observed |
| Urgency: | Expected |
| Issued By: | NWS Glasgow MT on 2026-04-22 @ 6:43 pm |
| Headline: | Special Weather Statement issued April 22 at 5:43PM MDT by NWS Glasgow MT |
| Description: |
At 543 PM MDT, Doppler radar was tracking strong thunderstorms along a line extending from near Hell Creek Rec Area to 15 miles northwest of Circle. Movement was north at 40 mph. HAZARD...Wind gusts of 50 to 55 mph and pea size hail. SOURCE...Radar indicated. IMPACT...Gusty winds could knock down tree limbs and blow around unsecured objects. Minor damage to outdoor objects is possible. Locations impacted include... Glasgow, Wolf Point, Nashua, Fort Peck, The Pines Rec Area, Tampico, Duck Creek Rec Area, Fort Peck Marina, Hell Creek Rec Area, Frazer, Vida, Nelson Creek Rec Area, Rock Creek Rec Area, Oswego, Park Grove, The Bentonite Plant, Haxby, Weldon, and Whatley. |
| Alert: | High Wind Warning |
| Area(s): | Eastern Toole and Liberty; Hill County; Northern Blaine County; Western and Central Chouteau County; Bears Paw Mountains and Southern Blaine; Fergus County below 4500ft |
| Effective: | 2026-04-22 @ 6:37 pm -> 2026-04-23 @ 7:00 pm |
| Onset: | 2026-04-22 @ 6:37 pm -> 2026-04-23 @ 9:45 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2026-04-22 @ 6:37 pm |
| Headline: | High Wind Warning issued April 22 at 5:37PM MDT until April 23 at 6:00PM MDT by NWS Great Falls MT |
| Description: |
* WHAT...Northwesterly winds 30 to 40 mph with gusts up to 65 mph expected. * WHERE...Eastern Toole and Liberty Counties, Hill County, Northern Blaine County, Western and Central Chouteau County, Bears Paw Mountains and Southern Blaine, and Fergus County below 4500ft. * WHEN...Until 6 PM MDT Thursday. * IMPACTS...High winds may move loose debris, damage property and cause power outages. Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...The strongest winds will be the over the southeast aspects of the Sweetgrass Hills, Bear's Paw, and Snowy Mountains. |
| Alert: | Winter Weather Advisory |
| Area(s): | Bears Paw Mountains and Southern Blaine; Fergus County below 4500ft; Snowy and Judith Mountains |
| Effective: | 2026-04-22 @ 2:58 pm -> 2026-04-23 @ 7:00 pm |
| Onset: | 2026-04-23 @ 1:00 am -> 2026-04-23 @ 6:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2026-04-22 @ 2:58 pm |
| Headline: | Winter Weather Advisory issued April 22 at 1:58PM MDT until April 23 at 6:00PM MDT by NWS Great Falls MT |
| Description: |
* WHAT...wet snow expected. Total snow accumulations between 2 and 8 inches, highest over the Bears Paw and Snowy Mountains. Winds gusting over 50 mph at times. * WHERE...Snowy and Judith Mountains, Bears Paw Mountains and Southern Blaine, and Fergus County below 4500ft. * WHEN...From midnight tonight to 6 PM MDT Thursday. * IMPACTS...Expect difficult driving conditions due to slush or snow covered roadways. Falling and or blowing snow may significantly reduce visibility at times. Those with outdoor plans should be prepared for dangerous outdoor conditions. * ADDITIONAL DETAILS...The wet snow may cause instances of power outages and or tree damage. |
| Alert: | Winter Weather Advisory |
| Area(s): | Gallatin Valley |
| Effective: | 2026-04-22 @ 2:58 pm -> 2026-04-24 @ 1:00 pm |
| Onset: | 2026-04-23 @ 7:00 pm -> 2026-04-23 @ 6:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2026-04-22 @ 2:58 pm |
| Headline: | Winter Weather Advisory issued April 22 at 1:58PM MDT until April 24 at 12:00PM MDT by NWS Great Falls MT |
| Description: |
* WHAT...Wet snow expected. Total snow accumulations between 2 and 6 inches, highest on the south and eastern portions of the Gallatin Valley. * WHERE...Gallatin Valley. * WHEN...From 6 PM Thursday to noon MDT Friday. * IMPACTS...Expect difficult driving conditions due to slush or snow covered roadways. The hazardous conditions could impact the Thursday evening and Friday morning commutes. * ADDITIONAL DETAILS...The wet snow may cause isolated instances of power outages and or tree damage. |
| Alert: | Winter Weather Advisory |
| Area(s): | Southern Rocky Mountain Front; Upper Blackfoot and MacDonald Pass; Gates of the Mountains; Elkhorn and Boulder Mountains; Northwest Beaverhead County; Ruby Mountains and Southern Beaverhead Mountains |
| Effective: | 2026-04-22 @ 2:58 pm -> 2026-04-24 @ 1:00 pm |
| Onset: | 2026-04-22 @ 7:00 pm -> 2026-04-23 @ 6:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2026-04-22 @ 2:58 pm |
| Headline: | Winter Weather Advisory issued April 22 at 1:58PM MDT until April 24 at 12:00PM MDT by NWS Great Falls MT |
| Description: |
* WHAT...Wet snow expected. Total snow accumulations between 5 and 10 inches, with higher amounts over the mountain peaks. Winds gusting as high as 40 mph. * WHERE...Portions of central, north central, and southwest Montana. * WHEN...From 6 PM this evening to noon MDT Friday. * IMPACTS...Expect difficult driving conditions due to slush or snow covered roadways. Falling and or blowing snow may significantly reduce visibility at times. Tire chains may be required for some vehicles if traveling through mountain passes. Those with outdoor plans should be prepared for dangerous outdoor conditions. * ADDITIONAL DETAILS...The wet snow may cause instances of power outages and or tree damage. |
| Alert: | Winter Weather Advisory |
| Area(s): | Helena Valley |
| Effective: | 2026-04-22 @ 2:58 pm -> 2026-04-24 @ 1:00 pm |
| Onset: | 2026-04-22 @ 7:00 pm -> 2026-04-23 @ 6:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2026-04-22 @ 2:58 pm |
| Headline: | Winter Weather Advisory issued April 22 at 1:58PM MDT until April 24 at 12:00PM MDT by NWS Great Falls MT |
| Description: |
* WHAT...Wet snow expected. Total snow accumulations between 2 and 6 inches, highest over the southern and western portions of the Helena Valley. Winds gusting as high as 35 mph. * WHERE...Helena Valley. * WHEN...From 6 PM this evening to noon MDT Friday. * IMPACTS...Expect highly variable road conditions, including difficult driving due to slush or snow covered roadways. The hazardous conditions could impact the Thursday and Friday morning commutes. * ADDITIONAL DETAILS...The most impactful snow is expected Thursday morning. The wet snow may cause isolated instances of power outages and or tree damage. |
| Alert: | Winter Weather Advisory |
| Area(s): | East Glacier Park Region; Northern High Plains |
| Effective: | 2026-04-22 @ 2:58 pm -> 2026-04-23 @ 7:00 pm |
| Onset: | 2026-04-22 @ 7:00 pm -> 2026-04-23 @ 6:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2026-04-22 @ 2:58 pm |
| Headline: | Winter Weather Advisory issued April 22 at 1:58PM MDT until April 23 at 6:00PM MDT by NWS Great Falls MT |
| Description: |
* WHAT...Wet snow expected. Total snow accumulations up to 3 inches over the plains, between 2 and 6 inches at Marias Pass, and amounts in excess of 6 inches over the higher terrain of Glacier National Park. Winds gusting as high as 45 mph. * WHERE...Eastern Glacier National Park and adjacent foothills and plains. * WHEN...From 6 PM this evening to 6 PM MDT Thursday. * IMPACTS...Expect difficult driving conditions due to slush or snow covered roadways. Falling and or blowing snow may significantly reduce visibility at times. Tire chains may be required for some vehicles if traveling through mountain passes. Those with outdoor plans should be prepared for dangerous outdoor conditions. * ADDITIONAL DETAILS...The heavy, wet snow may cause instances of power outages and or tree damage. |
| Alert: | Winter Storm Warning |
| Area(s): | Little Belt and Highwood Mountains |
| Effective: | 2026-04-22 @ 2:58 pm -> 2026-04-23 @ 7:00 pm |
| Onset: | 2026-04-22 @ 7:00 pm -> 2026-04-23 @ 6:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2026-04-22 @ 2:58 pm |
| Headline: | Winter Storm Warning issued April 22 at 1:58PM MDT until April 23 at 6:00PM MDT by NWS Great Falls MT |
| Description: |
* WHAT...Heavy, wet snow expected. Total snow accumulations between 6 and 12 inches, with higher amounts over the mountain peaks. Winds could gust as high as 50 mph. * WHERE...Little Belt and Highwood Mountains. * WHEN...From 6 PM this evening to 6 PM MDT Thursday. * IMPACTS...Expect difficult driving conditions due to slush or snow covered roadways. Falling and or blowing snow may significantly reduce visibility below a quarter mile at times. Those with outdoor plans should be prepared for dangerous outdoor conditions. * ADDITIONAL DETAILS...The heavy, wet snow may cause instances of power outages and or tree damage. |
| Alert: | Winter Storm Warning |
| Area(s): | Judith Basin County and Judith Gap |
| Effective: | 2026-04-22 @ 2:58 pm -> 2026-04-23 @ 7:00 pm |
| Onset: | 2026-04-23 @ 1:00 am -> 2026-04-23 @ 6:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2026-04-22 @ 2:58 pm |
| Headline: | Winter Storm Warning issued April 22 at 1:58PM MDT until April 23 at 6:00PM MDT by NWS Great Falls MT |
| Description: |
* WHAT...Heavy, wet snow expected. Total snow accumulations of 2 to 8 inches possible, heaviest over northwestern Judith Basin county. Winds could gust as high as 50 mph. * WHERE...Judith Basin County and Judith Gap. * WHEN...From midnight tonight to 6 PM MDT Thursday. * IMPACTS...Expect difficult driving conditions due to slush or snow covered roadways. Falling and or blowing snow may significantly reduce visibility below a quarter mile at times. * ADDITIONAL DETAILS...The heavy, wet snow may cause instances of power outages and or tree damage. |
| Alert: | Winter Weather Advisory |
| Area(s): | Canyon Ferry Area; Missouri Headwaters; Madison River Valley; Beaverhead and Western Madison below 6000ft |
| Effective: | 2026-04-22 @ 2:58 pm -> 2026-04-24 @ 1:00 pm |
| Onset: | 2026-04-23 @ 7:00 pm -> 2026-04-23 @ 6:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2026-04-22 @ 2:58 pm |
| Headline: | Winter Weather Advisory issued April 22 at 1:58PM MDT until April 24 at 12:00PM MDT by NWS Great Falls MT |
| Description: |
* WHAT...wet snow expected. Total snow accumulations between 1 and 4 inches. Winds gusting as high as 35 mph. * WHERE...The Madison and Beaverhead River Valleys, Canyon Ferry Area, and Missouri Headwaters. * WHEN...From 6 PM Thursday to noon MDT Friday. * IMPACTS...Expect difficult driving conditions due to slush or snow covered roadways. * ADDITIONAL DETAILS...The wet snow may cause isolated instances of power outages and or tree damage. |
| Alert: | Winter Storm Warning |
| Area(s): | Gallatin and Madison County Mountains and Centennial Mountains |
| Effective: | 2026-04-22 @ 2:58 pm -> 2026-04-24 @ 1:00 pm |
| Onset: | 2026-04-22 @ 7:00 pm -> 2026-04-23 @ 6:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2026-04-22 @ 2:58 pm |
| Headline: | Winter Storm Warning issued April 22 at 1:58PM MDT until April 24 at 12:00PM MDT by NWS Great Falls MT |
| Description: |
* WHAT...Heavy, wet snow expected. Total snow accumulations between 7 and 14 inches, with higher amounts over the mountain peaks. Winds gusting as high as 40 mph. * WHERE...Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...From 6 PM this evening to noon MDT Friday. * IMPACTS...Expect difficult driving conditions due to slush or snow covered roadways. Falling and or blowing snow may significantly reduce visibility at times. Those with outdoor plans should be prepared for dangerous outdoor conditions. * ADDITIONAL DETAILS...The heavy, wet snow may cause instances of power outages and or tree damage. |
| Alert: | Winter Weather Advisory |
| Area(s): | Big Belt, Bridger and Castle Mountains |
| Effective: | 2026-04-22 @ 2:58 pm -> 2026-04-24 @ 1:00 pm |
| Onset: | 2026-04-22 @ 7:00 pm -> 2026-04-23 @ 6:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2026-04-22 @ 2:58 pm |
| Headline: | Winter Weather Advisory issued April 22 at 1:58PM MDT until April 24 at 12:00PM MDT by NWS Great Falls MT |
| Description: |
* WHAT...Wet snow expected. Total snow accumulations between 5 and 10 inches, with higher amounts over the mountain peaks. Winds gusting over 40 mph at times. * WHERE...Big Belt, Bridger and Castle Mountains. * WHEN...From 6 PM this evening to noon MDT Friday. * IMPACTS...Expect difficult driving conditions due to slush or snow covered roadways. Those in the backcountry should ensure they are prepared for dangerous conditions. * ADDITIONAL DETAILS...The wet snow may cause isolated instances of power outages and or tree damage. |
| Alert: | Winter Weather Advisory |
| Area(s): | Cascade County below 5000ft |
| Effective: | 2026-04-22 @ 2:58 pm -> 2026-04-23 @ 1:00 pm |
| Onset: | 2026-04-23 @ 1:00 am -> 2026-04-23 @ 6:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2026-04-22 @ 2:58 pm |
| Headline: | Winter Weather Advisory issued April 22 at 1:58PM MDT until April 23 at 12:00PM MDT by NWS Great Falls MT |
| Description: |
* WHAT...Wet snow expected. Total snow accumulations up to 5 inches, highest over southern and eastern Cascade County. * WHERE...Cascade County below 5000ft. * WHEN...From midnight tonight to noon MDT Thursday. * IMPACTS...Expect highly variable road conditions, including difficult driving due to slush or snow covered roadways. |
| Alert: | Red Flag Warning |
| Area(s): | Northern Rosebud/Northern Treasure Counties; Northern Cheyenne Indian Reservation/Ashland Ranger District Custer Natl Forest; Custer County; Sioux Ranger District Custer National Forest |
| Effective: | 2026-04-22 @ 2:30 pm -> 2026-04-22 @ 10:00 pm |
| Onset: | 2026-04-22 @ 2:30 pm -> 2026-04-22 @ 10:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Billings MT on 2026-04-22 @ 2:30 pm |
| Headline: | Red Flag Warning issued April 22 at 1:30PM MDT until April 22 at 9:00PM MDT by NWS Billings MT |
| Description: |
* IMPACTS: Low humidities, unseasonably warm temperatures, strong gusty winds, and wind shift with a cold front could create erratic fire behavior and the potential for new fire starts. * AFFECTED AREA: In Southeast MT Fire Zones...130...131...132. In Southeast MT and Northwest SD Fire Zone...133. * COUNTIES AFFECTED: In Northwest SD...Harding. In South Central MT...Big Horn. In Southeast MT...Carter...Custer... Fallon...Powder River Rosebud...Treasure. * COLD FRONT: Southwest winds today will shift to the west this evening, then northwest tonight. * SHOWER/THUNDERSTORM ACTIVITY: Isolated showers and thunderstorms this afternoon and evening may cause gusty and erratic winds. * WIND: Southwest 15 to 30 mph with gusts up to 45 mph. Locally higher gusts are possible with shower and thunderstorm activity. * HUMIDITY: As low as 9 percent. * TEMPERATURES: Up to 87 degrees. |
| Alert: | Winter Storm Warning |
| Area(s): | Crazy Mountains |
| Effective: | 2026-04-22 @ 2:10 pm -> 2026-04-24 @ 7:00 am |
| Onset: | 2026-04-22 @ 7:00 pm -> 2026-04-23 @ 2:15 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Billings MT on 2026-04-22 @ 2:10 pm |
| Headline: | Winter Storm Warning issued April 22 at 1:10PM MDT until April 24 at 6:00AM MDT by NWS Billings MT |
| Description: |
* WHAT...Heavy snow expected. Total snow accumulations of 12 to 18 inches. Winds gusting as high as 70 mph. * WHERE...Crazy Mountains. * WHEN...From 6 PM this evening to 6 AM MDT Friday. * IMPACTS...Recreation in the high country will be impacted by heavy accumulating snow. Blowing snow could significantly reduce visibility. |
| Alert: | Winter Storm Warning |
| Area(s): | Absaroka/Beartooth Mountains |
| Effective: | 2026-04-22 @ 2:10 pm -> 2026-04-24 @ 7:00 am |
| Onset: | 2026-04-22 @ 7:00 pm -> 2026-04-23 @ 2:15 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Billings MT on 2026-04-22 @ 2:10 pm |
| Headline: | Winter Storm Warning issued April 22 at 1:10PM MDT until April 24 at 6:00AM MDT by NWS Billings MT |
| Description: |
* WHAT...Heavy snow expected. Total snow accumulations between 8 and 15 inches. Winds gusting as high as 60 mph. * WHERE...Absaroka/Beartooth Mountains. * WHEN...From 6 PM this evening to 6 AM MDT Friday. * IMPACTS...Recreation in the high country will be impacted by heavy accumulating snow. Blowing snow could significantly reduce visibility. * ADDITIONAL DETAILS...The strongest winds are forecast this evening east of the Stillwater River Valley. |
| Alert: | Winter Weather Advisory |
| Area(s): | Northern Valley |
| Effective: | 2026-04-22 @ 1:47 pm -> 2026-04-23 @ 3:00 pm |
| Onset: | 2026-04-23 @ 7:00 am -> 2026-04-23 @ 5:15 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Glasgow MT on 2026-04-22 @ 1:47 pm |
| Headline: | Winter Weather Advisory issued April 22 at 12:47PM MDT until April 23 at 2:00PM MDT by NWS Glasgow MT |
| Description: |
* WHAT...Wet snow expected. Total snow accumulations up to around two inches. Winds gusting as high as 55 mph. * WHERE...Northern Valley County. * WHEN...From 6 AM to 2 PM MDT Thursday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Thursday morning commute. * ADDITIONAL DETAILS...Accumulations will be most prevalent for the highest elevations in the vicinity of Opheim. |
| Alert: | High Wind Warning |
| Area(s): | Daniels; Sheridan; Western Roosevelt; McCone; Richland; Dawson; Prairie; Wibaux; Eastern Roosevelt |
| Effective: | 2026-04-22 @ 1:39 pm -> 2026-04-23 @ 9:00 pm |
| Onset: | 2026-04-23 @ 7:00 am -> 2026-04-23 @ 5:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Glasgow MT on 2026-04-22 @ 1:39 pm |
| Headline: | High Wind Warning issued April 22 at 12:39PM MDT until April 23 at 8:00PM MDT by NWS Glasgow MT |
| Description: |
* WHAT...Northwest winds 30 to 40 mph with gusts up to 60 mph expected. * WHERE...Daniels, Dawson, Roosevelt, McCone, Prairie, Richland, Sheridan, and Wibaux Counties. * WHEN...From 6 AM to 8 PM MDT Thursday. * IMPACTS...High winds may move loose debris, damage property, and cause power bumps. Travel could be difficult, especially for high profile vehicles. |
| Alert: | High Wind Warning |
| Area(s): | Central and Southeast Phillips; Central and Southern Valley; Petroleum; Garfield; Northern Phillips; Southwest Phillips; Northern Valley |
| Effective: | 2026-04-22 @ 1:39 pm -> 2026-04-23 @ 9:00 pm |
| Onset: | 2026-04-23 @ 1:00 am -> 2026-04-23 @ 5:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Glasgow MT on 2026-04-22 @ 1:39 pm |
| Headline: | High Wind Warning issued April 22 at 12:39PM MDT until April 23 at 8:00PM MDT by NWS Glasgow MT |
| Description: |
* WHAT...Northwest winds 30 to 40 mph with gusts up to 60 mph expected. * WHERE...Phillips, Valley, Garfield, and Petroleum Counties. * WHEN...From midnight tonight to 8 PM MDT Thursday. * IMPACTS...High winds may move loose debris, damage property, and cause power bumps. Travel could be difficult, especially for high profile vehicles. |
| Alert: | Red Flag Warning |
| Area(s): | Fort Peck Reservation and Daniels/Roosevelt/Sheridan Counties; Dawson/McCone/Prairie/Richland/Wibaux Counties; Northern Valley and Northern Phillips Counties; The Little Rockies; The Lower Missouri River Breaks including the Charles M Russell National Wildlife Refuge; Southern Petroleum and Southern Garfield Counties |
| Effective: | 2026-04-22 @ 1:21 pm -> 2026-04-22 @ 10:00 pm |
| Onset: | 2026-04-22 @ 1:21 pm -> 2026-04-22 @ 10:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Glasgow MT on 2026-04-22 @ 1:21 pm |
| Headline: | Red Flag Warning issued April 22 at 12:21PM MDT until April 22 at 9:00PM MDT by NWS Glasgow MT |
| Description: |
* AFFECTED AREA...Fire weather zones 120, 122, 134, 135, 136, and 137. * WIND...Southwest then west at 15 to 25 mph, gusting up to 35 mph. * HUMIDITY...As low as 20 percent near the Canadian border to as low as 10 percent south of Highway 2. * THUNDERSTORMS...Isolated coverage after 3pm mainly for zones 134-137, producing strong and shifting winds. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. |
| Alert: | Wind Advisory |
| Area(s): | Livingston Area; Beartooth Foothills |
| Effective: | 2026-04-22 @ 11:16 am -> 2026-04-23 @ 1:00 am |
| Onset: | 2026-04-22 @ 11:16 am -> 2026-04-23 @ 1:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Billings MT on 2026-04-22 @ 11:16 am |
| Headline: | Wind Advisory issued April 22 at 10:16AM MDT until April 23 at 12:00AM MDT by NWS Billings MT |
| Description: |
* WHAT...Southwest winds 25 to 35 mph with gusts up to 60 mph expected. * WHERE...Beartooth Foothills and Livingston Area. * WHEN...Until midnight MDT tonight. * IMPACTS...Strong crosswinds will make travel difficult along Interstate 90 from Livingston to Big Timber and roads along the Beartooth Foothills. Warm and dry conditions could cause rapid fire spread. Use caution with any burning activities. |
| Alert: | High Wind Warning |
| Area(s): | Red Lodge Foothills |
| Effective: | 2026-04-22 @ 11:16 am -> 2026-04-23 @ 7:00 am |
| Onset: | 2026-04-22 @ 1:00 pm -> 2026-04-23 @ 7:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Billings MT on 2026-04-22 @ 11:16 am |
| Headline: | High Wind Warning issued April 22 at 10:16AM MDT until April 23 at 6:00AM MDT by NWS Billings MT |
| Description: |
* WHAT...West winds 20 to 30 mph with gusts up to 60 mph expected. * WHERE...Red Lodge Foothills. * WHEN...Until 6 AM MDT Thursday. * IMPACTS...Warm and dry conditions could cause rapid fire spread. Use caution with any burning activities. |
| Alert: | Winter Weather Advisory |
| Area(s): | West Glacier Region |
| Effective: | 2026-04-21 @ 2:50 pm -> 2026-04-23 @ 7:00 pm |
| Onset: | 2026-04-22 @ 7:00 pm -> 2026-04-23 @ 7:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Missoula MT on 2026-04-21 @ 2:50 pm |
| Headline: | Winter Weather Advisory issued April 21 at 1:50PM MDT until April 23 at 6:00PM MDT by NWS Missoula MT |
| Description: |
* WHAT...Snow expected. There is a likelihood of moderate winter weather impacts. Total snow accumulations of 1 to 3 inches below 4000 feet, 4 to 7 inches at pass level and over 10 inches in the high terrain. * WHERE...Glacier National Park, Marias Pass, Bad Rock Canyon, Essex, Highway 83 Bigfork to Swan Lake, and Polebridge. * WHEN...From 6 PM Wednesday to 6 PM MDT Thursday. * IMPACTS...For MODERATE winter weather impacts, expect disruptions to normal activities. Hazardous traveling conditions. Use extra caution while driving. Closures and disruptions to infrastructure may occur. The hazardous conditions could impact the Thursday morning and evening commutes, especially over higher passes. |
| Alert: | Winter Weather Advisory |
| Area(s): | Butte/Blackfoot Region |
| Effective: | 2026-04-21 @ 2:50 pm -> 2026-04-24 @ 1:00 pm |
| Onset: | 2026-04-22 @ 7:00 pm -> 2026-04-24 @ 1:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Missoula MT on 2026-04-21 @ 2:50 pm |
| Headline: | Winter Weather Advisory issued April 21 at 1:50PM MDT until April 24 at 12:00PM MDT by NWS Missoula MT |
| Description: |
* WHAT...Snow expected. There is a likelihood of moderate to isolated major winter weather impacts. Total snow accumulations of 2 and 5 inches in the valleys, 5 to 10 inches at pass level, and over 12 inches in the high terrain. Winds gusting as high as 35 mph. * WHERE...Georgetown Lake, Butte, Highway 12 Garrison to Elliston, MacDonald Pass, and Homestake Pass. * WHEN...From 6 PM Wednesday to noon MDT Friday. * IMPACTS...For MODERATE winter weather impacts, expect disruptions to normal activities. Hazardous traveling conditions. Use extra caution while driving. Closures and disruptions to infrastructure may occur. For MAJOR winter weather impacts, expect considerable disruptions to normal activities. Dangerous or impossible traveling conditions. Avoid travel in the impacted areas if possible. Widespread closures and disruptions to infrastructure may occur. The hazardous conditions could impact the Thursday morning and evening commutes, especially over higher passes. * ADDITIONAL DETAILS...The most impactful snow accumulations are most likely to occur Thursday evening through Friday morning. |
| Alert: | Winter Weather Advisory |
| Area(s): | Bitterroot/Sapphire Mountains |
| Effective: | 2026-04-21 @ 2:50 pm -> 2026-04-24 @ 1:00 pm |
| Onset: | 2026-04-22 @ 7:00 pm -> 2026-04-24 @ 1:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Missoula MT on 2026-04-21 @ 2:50 pm |
| Headline: | Winter Weather Advisory issued April 21 at 1:50PM MDT until April 24 at 12:00PM MDT by NWS Missoula MT |
| Description: |
* WHAT...Snow expected. There is a likelihood of moderate winter weather impacts. Total snow accumulations of 1 to 5 inches below 4000 feet, 6 to 10 inches at pass level and over 12 inches in the high terrain. * WHERE...Highway 93 Sula to Lost Trail Pass and Lolo Pass. * WHEN...From 6 PM Wednesday to noon MDT Friday. * IMPACTS...For MODERATE winter weather impacts, expect disruptions to normal activities. Hazardous traveling conditions. Use extra caution while driving. Closures and disruptions to infrastructure may occur. The hazardous conditions could impact the Thursday morning and evening commutes, especially over higher passes. |
| Alert: | Winter Weather Advisory |
| Area(s): | Potomac/Seeley Lake Region |
| Effective: | 2026-04-21 @ 2:50 pm -> 2026-04-24 @ 1:00 pm |
| Onset: | 2026-04-22 @ 7:00 pm -> 2026-04-24 @ 1:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Missoula MT on 2026-04-21 @ 2:50 pm |
| Headline: | Winter Weather Advisory issued April 21 at 1:50PM MDT until April 24 at 12:00PM MDT by NWS Missoula MT |
| Description: |
* WHAT...Snow expected. There is a likelihood of moderate to isolated major winter weather impacts. Total snow accumulations of 2 and 4 inches in the valleys and 6 to 12 inches in the mountains. * WHERE...Highway 200 Bonner to Greenough, I-90 East Missoula to Bearmouth, and Highway 83 Seeley Lake to Condon. * WHEN...From 6 PM Wednesday to noon MDT Friday. * IMPACTS...For MODERATE winter weather impacts, expect disruptions to normal activities. Hazardous traveling conditions. Use extra caution while driving. Closures and disruptions to infrastructure may occur. For MAJOR winter weather impacts, expect considerable disruptions to normal activities. Dangerous or impossible traveling conditions. Avoid travel in the impacted areas if possible. Widespread closures and disruptions to infrastructure may occur. The hazardous conditions could impact the Thursday morning and evening commutes, especially over higher passes. * ADDITIONAL DETAILS...The most impactful snow accumulations are most likely to occur Thursday evening through Friday morning. |