Yellowstone National Park, Wyoming
Regional Weather Alerts
| Alert: | Special Weather Statement |
| Area(s): | Red Lodge Foothills; Southeastern Carbon; Northern Carbon |
| Effective: | 2026-10-23 @ 4:12 pm -> 2026-10-23 @ 5:00 pm |
| Onset: | 2026-10-23 @ 4:12 pm |
| Severity: | Moderate |
| Certainty: | Observed |
| Urgency: | Expected |
| Issued By: | NWS Billings MT on 2026-10-23 @ 4:12 pm |
| Headline: | Special Weather Statement issued October 23 at 3:12PM MDT by NWS Billings MT |
| Description: |
At 312 PM MDT, Doppler radar was tracking a strong thunderstorm near Bridger, or 12 miles east of Red Lodge, moving northeast at 10 mph. HAZARD...Wind gusts up to 50 mph and half inch 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... Bridger and Fromberg. |
| Alert: | Special Weather Statement |
| Area(s): | Helena Valley; Canyon Ferry Area |
| Effective: | 2026-10-23 @ 3:53 pm -> 2026-10-23 @ 7:00 pm |
| Onset: | 2026-10-23 @ 3:53 pm |
| Severity: | Moderate |
| Certainty: | Observed |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2026-10-23 @ 3:53 pm |
| Headline: | Special Weather Statement issued October 23 at 2:53PM MDT by NWS Great Falls MT |
| Description: |
Rain is continuing to transition to snow at lower elevations across Central Montana this afternoon. While the majority of snow accumulation looks to be on grassy and elevated surfaces, slushy accumulations on roadways will cause minor impacts to travel. If you have to travel this afternoon and evening, be prepared for variable driving conditions, including reduced visibility and slick spots. The snow will gradually end this evening. |
| Alert: | Winter Weather Advisory |
| Area(s): | Southern Rocky Mountain Front; Southern High Plains |
| Effective: | 2026-10-23 @ 2:33 pm -> 2026-10-23 @ 10:00 pm |
| Onset: | 2026-10-23 @ 2:33 pm -> 2026-10-23 @ 10:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2026-10-23 @ 2:33 pm |
| Headline: | Winter Weather Advisory issued October 23 at 1:33PM MDT until October 23 at 9:00PM MDT by NWS Great Falls MT |
| Description: |
* WHAT...Snow. Additional snow accumulations up to two inches. Winds gusting as high as 45 mph. * WHERE...Southern High Plains and Southern Rocky Mountain Front. * WHEN...Until 9 PM MDT this evening. * IMPACTS...Plan on slippery road conditions. The hazardous conditions will impact the Friday evening commute. Gusty winds could create additional visibility reduction. * ADDITIONAL DETAILS...Snow will continue through the rest of this afternoon, then gradually diminish this evening. |
| Alert: | Winter Weather Advisory |
| Area(s): | Upper Blackfoot and MacDonald Pass; Big Belt, Bridger and Castle Mountains; Elkhorn and Boulder Mountains; Northwest Beaverhead County; Ruby Mountains and Southern Beaverhead Mountains; Gallatin and Madison County Mountains and Centennial Mountains |
| Effective: | 2026-10-23 @ 2:33 pm -> 2026-10-24 @ 1:00 am |
| Onset: | 2026-10-23 @ 2:33 pm -> 2026-10-24 @ 1:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2026-10-23 @ 2:33 pm |
| Headline: | Winter Weather Advisory issued October 23 at 1:33PM MDT until October 24 at 12:00AM MDT by NWS Great Falls MT |
| Description: |
* WHAT...Snow. Additional snow accumulations up to 4 inches. Winds gusting as high as 35 mph. * WHERE...Portions of central and southwest Montana. * WHEN...Until midnight MDT tonight. * IMPACTS...Plan on reduced visibility and slippery road conditions. The hazardous conditions will impact the Friday evening commute. Gusty winds could create additional visibility reduction. |
| Alert: | Winter Weather Advisory |
| Area(s): | Little Belt and Highwood Mountains |
| Effective: | 2026-10-23 @ 2:33 pm -> 2026-10-24 @ 1:00 am |
| Onset: | 2026-10-23 @ 2:33 pm -> 2026-10-24 @ 1:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2026-10-23 @ 2:33 pm |
| Headline: | Winter Weather Advisory issued October 23 at 1:33PM MDT until October 24 at 12:00AM MDT by NWS Great Falls MT |
| Description: |
* WHAT...Snow. Additional snow accumulations between 2 and 7 inches. Winds gusting as high as 45 mph. * WHERE...Little Belt and Highwood Mountains. * WHEN...Until midnight MDT tonight. * IMPACTS...Plan on reduced visibility and slippery road conditions. The hazardous conditions will impact the Friday evening commute. Gusty winds could create additional visibility reductions. |
| Alert: | Winter Weather Advisory |
| Area(s): | Bears Paw Mountains and Southern Blaine; Snowy and Judith Mountains |
| Effective: | 2026-10-23 @ 2:33 pm -> 2026-10-24 @ 4:00 am |
| Onset: | 2026-10-23 @ 5:00 pm -> 2026-10-24 @ 4:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2026-10-23 @ 2:33 pm |
| Headline: | Winter Weather Advisory issued October 23 at 1:33PM MDT until October 24 at 3:00AM MDT by NWS Great Falls MT |
| Description: |
* WHAT...Snow expected. Total snow accumulations up to 5 inches. Winds gusting as high as 50 mph. * WHERE...Snowy and Judith Mountains and Bears Paw Mountains and Southern Blaine. * WHEN...Until 3 AM MDT Saturday. * IMPACTS...Plan on reduced visibility and slippery road conditions. The hazardous conditions will impact the Friday evening commute. Gusty winds could create additional visibility reductions. |
| Alert: | Winter Weather Advisory |
| Area(s): | Judith Basin County and Judith Gap; Fergus County below 4500ft |
| Effective: | 2026-10-23 @ 2:33 pm -> 2026-10-24 @ 4:00 am |
| Onset: | 2026-10-23 @ 5:00 pm -> 2026-10-24 @ 4:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2026-10-23 @ 2:33 pm |
| Headline: | Winter Weather Advisory issued October 23 at 1:33PM MDT until October 24 at 3:00AM MDT by NWS Great Falls MT |
| Description: |
* WHAT...Snow expected. Total snow accumulations 1 to 4 inches. Winds gusting as high as 50 mph. * WHERE...Fergus County below 4500ft and Judith Basin County and Judith Gap. * WHEN...Until 3 AM MDT Saturday. * IMPACTS...Plan on reduced visibility and slippery road conditions. The hazardous conditions will impact the Friday evening commute. Gusty winds will create additional visibility reductions. |
| Alert: | Red Flag Warning |
| Area(s): | Northern Cheyenne Indian Reservation/Ashland Ranger District Custer Natl Forest; Sioux Ranger District Custer National Forest; Sheridan County/Casper BLM |
| Effective: | 2026-10-23 @ 2:30 pm -> 2026-10-24 @ 1:00 am |
| Onset: | 2026-10-23 @ 2:30 pm -> 2026-10-24 @ 1:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Billings MT on 2026-10-23 @ 2:30 pm |
| Headline: | Red Flag Warning issued October 23 at 1:30PM MDT until October 24 at 12:00AM MDT by NWS Billings MT |
| Description: |
* IMPACTS: Low humidities, unseasonably warm temperatures, strong gusty winds, and wind shift with a cold front will create erratic fire behavior and difficult control of new or existing fires. * AFFECTED AREA: In North Central WY Fire Zone...274. In Southeast MT Fire Zone...131. In Southeast MT and Northwest SD Fire Zone...133. * COUNTIES AFFECTED: In North Central WY...Sheridan. In Northwest SD...Harding. In South Central MT...Big Horn. In Southeast MT...Carter...Fallon...Powder River...Rosebud Treasure. The most dangerous conditions are expected along and southeast of a Baker Montana to Sheridan Wyoming line. * COLD FRONT: Late afternoon into early evening. * WIND: Southwest 20 to 30 mph gusting up to 45 mph. Winds shifting to the northwest behind a late day cold front, with continued gusts to 45 mph through much of tonight. * HUMIDITY: Minimums of 14 to 20 percent. * TEMPERATURES: Highs of 75 to 85 degrees. |
| Alert: | Lake Wind Advisory |
| Area(s): | Central and Southeast Phillips; Central and Southern Valley; Petroleum; Garfield; McCone |
| Effective: | 2026-10-23 @ 2:25 pm -> 2026-10-24 @ 7:00 am |
| Onset: | 2026-10-23 @ 2:25 pm -> 2026-10-24 @ 1:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Glasgow MT on 2026-10-23 @ 2:25 pm |
| Headline: | Lake Wind Advisory issued October 23 at 1:25PM MDT until October 24 at 12:00PM MDT by NWS Glasgow MT |
| Description: |
* WHAT...West winds 20 to 30 mph with gusts up to 50 mph. * WHERE...Central and Southeast Phillips, Central and Southern Valley, Garfield, McCone, and Petroleum Counties. * WHEN...Until noon MDT Saturday. * IMPACTS...Strong winds and rough waves on area lakes will create hazardous conditions for small craft. * ADDITIONAL DETAILS...Expect wave heights to 6 feet through Saturday morning. |
| Alert: | Winter Weather Advisory |
| Area(s): | Judith Gap |
| Effective: | 2026-10-23 @ 2:15 pm -> 2026-10-24 @ 7:00 am |
| Onset: | 2026-10-23 @ 4:00 pm -> 2026-10-24 @ 7:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Billings MT on 2026-10-23 @ 2:15 pm |
| Headline: | Winter Weather Advisory issued October 23 at 1:15PM MDT until October 24 at 6:00AM MDT by NWS Billings MT |
| Description: |
* WHAT...Snow and blowing snow expected. Total snow accumulations of up to 3 inches. North winds gusting as high as 55 mph. * WHERE...Judith Gap. * WHEN...Until 6 AM MDT Saturday. * IMPACTS...Plan on slushy to slick and snow covered road conditions, including along US-191. Blowing snow will cause poor visibility. Hazardous conditions will impact the evening commute. Damage to trees and power lines could lead to power outages. * ADDITIONAL DETAILS...The most difficult conditions are expected to occur between 5 pm and midnight. |
| Alert: | High Wind Warning |
| Area(s): | Eastern Toole and Liberty; Hill County |
| Effective: | 2026-10-23 @ 2:12 pm -> 2026-10-23 @ 7:00 pm |
| Onset: | 2026-10-23 @ 2:12 pm -> 2026-10-23 @ 7:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2026-10-23 @ 2:12 pm |
| Headline: | High Wind Warning issued October 23 at 1:12PM MDT until October 23 at 6:00PM MDT by NWS Great Falls MT |
| Description: |
* WHAT...Northwest winds 30 to 40 mph with gusts up to 60 mph. * WHERE...Eastern Toole and Liberty and Hill County. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Travel will be difficult, especially for high profile vehicles. |
| Alert: | High Wind Warning |
| Area(s): | Fergus County below 4500ft |
| Effective: | 2026-10-23 @ 2:12 pm -> 2026-10-23 @ 10:00 pm |
| Onset: | 2026-10-23 @ 2:12 pm -> 2026-10-23 @ 10:00 pm |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2026-10-23 @ 2:12 pm |
| Headline: | High Wind Warning issued October 23 at 1:12PM MDT until October 23 at 9:00PM MDT by NWS Great Falls MT |
| Description: |
* WHAT...Northwest winds 30 to 40 mph, with gusts up to 60 mph. * WHERE...Fergus County below 4500ft. * WHEN...Until 9 PM MDT this evening. * IMPACTS...Travel will be difficult, especially for high profile vehicles. |
| Alert: | Special Weather Statement |
| Area(s): | Northern High Plains; Eastern Glacier, Western Toole, and Central Pondera; Southern Rocky Mountain Front; Southern High Plains; Eastern Pondera and Eastern Teton |
| Effective: | 2026-10-23 @ 1:36 pm -> 2026-10-23 @ 4:45 pm |
| Onset: | 2026-10-23 @ 1:36 pm |
| Severity: | Moderate |
| Certainty: | Observed |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2026-10-23 @ 1:36 pm |
| Headline: | Special Weather Statement issued October 23 at 12:36PM MDT by NWS Great Falls MT |
| Description: |
A band of snow with snowfall rates near or in excess of one-half inch per hour will continue through at least 3 PM across the area, subsiding by the evening. While accumulations are forecast to be greatest on grassy surfaces, accumulating snowfall on roads will continue in areas where snowfall rates are highest. If traveling near the Rocky Mountain Front or nearby plains this afternoon, be prepared for reduced visibility, gusty winds, and variable road conditions. |
| Alert: | Winter Weather Advisory |
| Area(s): | Butte/Blackfoot Region |
| Effective: | 2026-10-22 @ 11:24 am -> 2026-10-24 @ 1:00 am |
| Onset: | 2026-10-23 @ 4:00 pm -> 2026-10-24 @ 1:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Missoula MT on 2026-10-22 @ 11:24 am |
| Headline: | Winter Weather Advisory issued October 22 at 10:24AM MDT until October 24 at 12:00AM MDT by NWS Missoula MT |
| Description: |
* WHAT...Snow expected above 6000 feet. Total snow accumulations trace to three inches. A period of moderate snow showers may develop around rush hour. * WHERE...MacDonald and Homestake Pass along with Georgetown Lake. * WHEN...From 3 PM Friday to midnight MDT Friday Night. * IMPACTS...Plan on slippery road conditions. The hazardous conditions will impact the Friday evening commute. |
