Yellowstone National Park, Wyoming
Regional Weather Alerts
| Alert: | Winter Storm Warning |
| Area(s): | Gallatin and Madison County Mountains and Centennial Mountains |
| Effective: | 2026-04-16 @ 4:25 pm -> 2026-04-17 @ 1:00 am |
| Onset: | 2026-04-16 @ 4:25 pm -> 2026-04-17 @ 1:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2026-04-16 @ 4:25 pm |
| Headline: | Winter Storm Warning issued April 16 at 3:25PM MDT until April 17 at 12:00AM MDT by NWS Great Falls MT |
| Description: |
* WHAT...Heavy snow. Additional snow accumulations 1 to 3 inches. * WHERE...Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...Until midnight MDT tonight. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. |
| Alert: | Lake Wind Advisory |
| Area(s): | Central and Southeast Phillips; Central and Southern Valley; Petroleum; Garfield; McCone; Southwest Phillips |
| Effective: | 2026-04-16 @ 4:05 pm -> 2026-04-16 @ 10:00 pm |
| Onset: | 2026-04-16 @ 4:05 pm -> 2026-04-16 @ 10:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Glasgow MT on 2026-04-16 @ 4:05 pm |
| Headline: | Lake Wind Advisory issued April 16 at 3:05PM MDT until April 16 at 9:00PM MDT by NWS Glasgow MT |
| Description: |
* WHAT...Northwest winds 15 to 25 mph with gusts up to 40 mph. * WHERE...Fort Peck Lake. * WHEN...Until 9 PM MDT this evening. * IMPACTS...Strong winds will produce waves up to 4 feet which can overturn or swamp small craft. |
| Alert: | Special Weather Statement |
| Area(s): | Southern Rocky Mountain Front; Southern High Plains; Upper Blackfoot and MacDonald Pass; Gates of the Mountains; Helena Valley; Elkhorn and Boulder Mountains; Canyon Ferry Area; Missouri Headwaters; Northwest Beaverhead County; Beaverhead and Western Madison below 6000ft; Ruby Mountains and Southern Beaverhead Mountains |
| Effective: | 2026-04-16 @ 2:10 pm |
| Onset: | 2026-04-16 @ 2:10 pm -> 2026-04-16 @ 5:00 pm |
| Severity: | Moderate |
| Certainty: | Observed |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2026-04-16 @ 2:10 pm |
| Headline: | Special Weather Statement issued April 16 at 1:10PM MDT by NWS Great Falls MT |
| Description: |
Snow showers will affect the Rocky Mountain Front and Southwest MT through the afternoon hours today. Some of the snow showers will be heavy, reducing the visibility below one half mile for a short time. New snow accumulations will be light, generally less than one half inch, with much of the snowfall melting on pavement surfaces. However, some bridges could become snow covered and slippery. Some locations that could be affected this afternoon include Dillon, Helena, Boulder, Lincoln, along with portions of I-15 from Wolf Creek southward to Monida Pass, and Highway 12 from MacDonald Pass to Townsend. Those traveling through this region this afternoon should be alert for quickly changing road conditions along with reduced visibility at times. |
| Alert: | Winter Weather Advisory |
| Area(s): | Southern Big Horn; Sheridan Foothills |
| Effective: | 2026-04-16 @ 1:38 pm -> 2026-04-17 @ 7:00 am |
| Onset: | 2026-04-16 @ 1:38 pm -> 2026-04-17 @ 7:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Billings MT on 2026-04-16 @ 1:38 pm |
| Headline: | Winter Weather Advisory issued April 16 at 12:38PM MDT until April 17 at 6:00AM MDT by NWS Billings MT |
| Description: |
* WHAT...Snow occurring. Additional snow accumulations up to two inches. Winds gusting as high as 35 mph. * WHERE...In Montana, Southern Big Horn. In Wyoming, Sheridan Foothills. * WHEN...Until 6 AM MDT Friday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions will impact the evening commute. * ADDITIONAL DETAILS...Snow totals near Sheridan and along I-90 will generally be around 1 inch. The highest snowfall totals are expected close to the mountains. Heaviest snowfall is expected during the evening hours. |
| Alert: | Winter Weather Advisory |
| Area(s): | Northern Park |
| Effective: | 2026-04-16 @ 1:38 pm -> 2026-04-17 @ 7:00 am |
| Onset: | 2026-04-16 @ 1:38 pm -> 2026-04-17 @ 7:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Billings MT on 2026-04-16 @ 1:38 pm |
| Headline: | Winter Weather Advisory issued April 16 at 12:38PM MDT until April 17 at 6:00AM MDT by NWS Billings MT |
| Description: |
* WHAT...Snow occurring. Additional snow accumulations up to one inch. Winds gusting as high as 30 mph. * WHERE...Northern Park. * WHEN...Until 6 AM MDT Friday. * IMPACTS...Plan on slick road conditions and poor visibility at times. * ADDITIONAL DETAILS...Locations close to the mountains may see locally higher snow totals. |
| Alert: | Winter Weather Advisory |
| Area(s): | Pryor/Northern Bighorn Mountains; Northeast Bighorn Mountains |
| Effective: | 2026-04-16 @ 1:38 pm -> 2026-04-17 @ 7:00 am |
| Onset: | 2026-04-16 @ 1:38 pm -> 2026-04-17 @ 7:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Billings MT on 2026-04-16 @ 1:38 pm |
| Headline: | Winter Weather Advisory issued April 16 at 12:38PM MDT until April 17 at 6:00AM MDT by NWS Billings MT |
| Description: |
* WHAT...Snow occurring. Additional snow accumulations up to 7 inches. Winds gusting as high as 35 mph. * WHERE...In Montana, Pryor/Northern Bighorn Mountains. In Wyoming, Northeast Bighorn Mountains. * WHEN...Until 6 AM MDT Friday. * IMPACTS...Travel could be very difficult at times, including Highway 14. Blowing snow could significantly reduce visibility. The hazardous conditions will impact the evening commute. |
| Alert: | Winter Weather Advisory |
| Area(s): | Red Lodge Foothills; Livingston Area; Beartooth Foothills |
| Effective: | 2026-04-16 @ 1:38 pm -> 2026-04-17 @ 7:00 am |
| Onset: | 2026-04-16 @ 1:38 pm -> 2026-04-17 @ 7:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Billings MT on 2026-04-16 @ 1:38 pm |
| Headline: | Winter Weather Advisory issued April 16 at 12:38PM MDT until April 17 at 6:00AM MDT by NWS Billings MT |
| Description: |
* WHAT...Snow occurring. Additional snow accumulations up to two inches. Winds gusting as high as 30 mph. * WHERE...Beartooth Foothills, Livingston Area, and Red Lodge Foothills. * WHEN...Until 6 AM MDT Friday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions will impact the evening commute. * ADDITIONAL DETAILS...Locations close to the mountains may see locally higher snow totals. |
| Alert: | Winter Storm Warning |
| Area(s): | Absaroka/Beartooth Mountains; Crazy Mountains |
| Effective: | 2026-04-16 @ 1:38 pm -> 2026-04-17 @ 7:00 am |
| Onset: | 2026-04-16 @ 1:38 pm -> 2026-04-17 @ 7:00 am |
| Severity: | Severe |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Billings MT on 2026-04-16 @ 1:38 pm |
| Headline: | Winter Storm Warning issued April 16 at 12:38PM MDT until April 17 at 6:00AM MDT by NWS Billings MT |
| Description: |
* WHAT...Heavy snow occurring. Additional snow accumulations between 5 and 10 inches. Winds gusting as high as 40 mph. * WHERE...Absaroka/Beartooth Mountains and Crazy Mountains. * WHEN...Until 6 AM MDT Friday. * IMPACTS...Recreation in the high country will be impacted by heavy accumulating snow. Widespread blowing snow could significantly reduce visibility. Avalanche danger may increase. * ADDITIONAL DETAILS...Highest snow totals expected over 8,000 feet. |
| Alert: | Winter Weather Advisory |
| Area(s): | Paradise Valley |
| Effective: | 2026-04-16 @ 1:38 pm -> 2026-04-17 @ 7:00 am |
| Onset: | 2026-04-16 @ 1:38 pm -> 2026-04-17 @ 7:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Billings MT on 2026-04-16 @ 1:38 pm |
| Headline: | Winter Weather Advisory issued April 16 at 12:38PM MDT until April 17 at 6:00AM MDT by NWS Billings MT |
| Description: |
* WHAT...Snow occurring. Additional snow accumulations up to two inches. * WHERE...Paradise Valley. * WHEN...Until 6 AM MDT Friday. * IMPACTS...Slick road conditions will impact the evening commute. |
| Alert: | Winter Weather Advisory |
| Area(s): | West Glacier Region |
| Effective: | 2026-04-16 @ 10:56 am -> 2026-04-16 @ 7:00 pm |
| Onset: | 2026-04-16 @ 10:56 am -> 2026-04-16 @ 7:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Missoula MT on 2026-04-16 @ 10:56 am |
| Headline: | Winter Weather Advisory issued April 16 at 9:56AM MDT until April 16 at 6:00PM MDT by NWS Missoula MT |
| Description: |
* WHAT...Snow. There is a likelihood of developing or ongoing minor winter weather impacts. Additional snow accumulations up to 5 inches. * WHERE...Polebridge, Glacier National Park, Marias Pass, Essex, Highway 83 Bigfork to Swan Lake, and Bad Rock Canyon. * WHEN...Until 6 PM MDT this evening. * IMPACTS...Winter traveling conditions. For MINOR winter weather impacts, expect a few inconveniences to normal activities. Use caution while driving. The hazardous conditions could impact the Thursday evening commute, especially over higher passes. |