Yellowstone National Park, Wyoming
Regional Weather Alerts
| Alert: | Winter Weather Advisory |
| Area(s): | Lower Clark Fork Region |
| Effective: | 2026-04-14 @ 12:53 pm -> 2026-04-16 @ 10:00 am |
| Onset: | 2026-04-15 @ 1:00 am -> 2026-04-16 @ 10:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Missoula MT on 2026-04-14 @ 12:53 pm |
| Headline: | Winter Weather Advisory issued April 14 at 11:53AM MDT until April 16 at 9:00AM MDT by NWS Missoula MT |
| Description: |
* WHAT...Snow expected. There is a likelihood of moderate winter weather impacts. Total snow accumulations of 6 to 12 inches for Lookout Pass and the higher terrain. Total snow accumulations of up to 2 inches in lower elevation valley areas. * WHERE...Highway 200 Thompson Falls to Plains, Highway 200 Trout Creek to Heron, I-90 Lookout Pass to Haugan, and Evaro Hill. * WHEN...From midnight tonight to 9 AM 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 Wednesday morning and evening commutes, especially over higher passes. * ADDITIONAL DETAILS...Valley locations will see rain changeover to snow Wednesday evening into Thursday morning as the cold front arrives. Roadways will become slushy Wednesday afternoon as temperatures warm near freezing at Lookout Pass on Interstate 90. |
| Alert: | Winter Weather Advisory |
| Area(s): | Bitterroot/Sapphire Mountains |
| Effective: | 2026-04-14 @ 12:53 pm -> 2026-04-16 @ 10:00 am |
| Onset: | 2026-04-15 @ 4:00 pm -> 2026-04-16 @ 10:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Missoula MT on 2026-04-14 @ 12:53 pm |
| Headline: | Winter Weather Advisory issued April 14 at 11:53AM MDT until April 16 at 9:00AM MDT by NWS Missoula MT |
| Description: |
* WHAT...Snow expected. There is a likelihood of moderate winter weather impacts. Total snow accumulations between 4 and 8 inches for Lolo and Lost Trail Passes, with 7 to 14 inches above 6,000 feet in the higher terrain. * WHERE...Highway 93 Sula to Lost Trail Pass and Lolo Pass. * WHEN...From 3 PM Wednesday to 9 AM 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 Wednesday morning and evening commutes, especially over higher passes. * ADDITIONAL DETAILS...An elevated risk exists for snow squalls to produce poor visibility and gusty winds as the front arrives late Wednesday afternoon into the evening. |
| Alert: | Winter Weather Advisory |
| Area(s): | West Glacier Region |
| Effective: | 2026-04-14 @ 12:53 pm -> 2026-04-16 @ 10:00 am |
| Onset: | 2026-04-15 @ 1:00 am -> 2026-04-16 @ 10:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Missoula MT on 2026-04-14 @ 12:53 pm |
| Headline: | Winter Weather Advisory issued April 14 at 11:53AM MDT until April 16 at 9:00AM MDT by NWS Missoula MT |
| Description: |
* WHAT...Snow expected. There is a likelihood of moderate winter weather impacts. Total snow accumulations of 5 to 10 inches from Essex to Marias Pass and 12 to 20 inches above 6,000 feet. Total snow accumulations of 1 to 5 inches in valley locations. * WHERE...Polebridge, Essex, Glacier National Park, Marias Pass, Highway 83 Bigfork to Swan Lake, and Bad Rock Canyon. * WHEN...From midnight tonight to 9 AM 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 Wednesday morning and evening commutes, especially over higher passes. * ADDITIONAL DETAILS...Valley locations will see rain changeover to snow Wednesday evening into Thursday morning as the cold front arrives. Roadways will become slushy Wednesday afternoon as temperatures warm near freezing at Marias Pass on Highway 2. |
| Alert: | Winter Weather Advisory |
| Area(s): | Potomac/Seeley Lake Region |
| Effective: | 2026-04-14 @ 12:53 pm -> 2026-04-16 @ 10:00 am |
| Onset: | 2026-04-15 @ 7:00 pm -> 2026-04-16 @ 10:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Missoula MT on 2026-04-14 @ 12:53 pm |
| Headline: | Winter Weather Advisory issued April 14 at 11:53AM MDT until April 16 at 9:00AM MDT by NWS Missoula MT |
| Description: |
* WHAT...Snow expected. There is a likelihood of minor to moderate winter weather impacts. Total snow accumulations up to two inches, with 6 to 14 inches above 6,000 feet in the Swan and Mission 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 9 AM MDT Thursday. * 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 morning commute, especially over higher passes. |
| Alert: | Winter Weather Advisory |
| Area(s): | Butte/Blackfoot Region |
| Effective: | 2026-04-14 @ 12:53 pm -> 2026-04-16 @ 10:00 am |
| Onset: | 2026-04-15 @ 7:00 pm -> 2026-04-16 @ 10:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Missoula MT on 2026-04-14 @ 12:53 pm |
| Headline: | Winter Weather Advisory issued April 14 at 11:53AM MDT until April 16 at 9:00AM 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, with 3 to 7 inches expected above 7,000 feet. Winds gusting as high as 35 mph. * WHERE...Highway 12 Garrison to Elliston, Georgetown Lake, MacDonald Pass, Butte, and Homestake Pass. * WHEN...From 6 PM Wednesday to 9 AM 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 Wednesday morning and evening commutes, especially over higher passes. * ADDITIONAL DETAILS...An elevated risk exists for snow squalls to produce poor visibility and gusty winds as the front arrives Wednesday evening. |
| Alert: | Special Weather Statement |
| Area(s): | East Glacier Park Region; Northern High Plains |
| Effective: | 2026-04-14 @ 12:35 pm |
| Onset: | 2026-04-14 @ 12:35 pm -> 2026-04-14 @ 7:15 pm |
| Severity: | Moderate |
| Certainty: | Observed |
| Urgency: | Expected |
| Issued By: | NWS Great Falls MT on 2026-04-14 @ 12:35 pm |
| Headline: | Special Weather Statement issued April 14 at 11:35AM MDT by NWS Great Falls MT |
| Description: |
Along the US Highway 2 Corridor between Marias Pass and Browning and along the US Highway 89 Corridor between St. Mary and Dupuyer there will be winds of 30 - 45 mph with gusts of 50 - 60 mph this afternoon through 6 PM. Isolated locations along the immediate eastern slopes of the Rocky Mountain Front will see gusts up to 70 mph. If traveling along along US HWY 89 between St. Mary and Dupuyer this afternoon use caution and be prepared for strong cross- winds. |
| Alert: | Winter Storm Watch |
| Area(s): | Gallatin and Madison County Mountains and Centennial Mountains |
| Effective: | 2026-04-14 @ 1:10 am -> 2026-04-17 @ 7:00 am |
| Onset: | 2026-04-15 @ 7:00 pm -> 2026-04-14 @ 7:00 pm |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Great Falls MT on 2026-04-14 @ 1:10 am |
| Headline: | Winter Storm Watch issued April 14 at 12:10AM MDT until April 17 at 6:00AM MDT by NWS Great Falls MT |
| Description: |
* WHAT...Heavy snow possible. Total snow accumulations between 5 and 10 inches at lower elevations and mountain passes, with 10 to 15 inches in the mountains. Winds could gust as high as 45 mph. * WHERE...Gallatin and Madison County Mountains and Centennial Mountains. * WHEN...From Wednesday evening through late Thursday night. * IMPACTS...Travel could be very difficult and tire chains may be required for some vehicles. Those in the backcountry should ensure they are prepared for dangerous conditions. |
| Alert: | Winter Storm Watch |
| Area(s): | Absaroka/Beartooth Mountains |
| Effective: | 2026-04-13 @ 11:56 pm -> 2026-04-17 @ 7:00 am |
| Onset: | 2026-04-15 @ 7:00 pm -> 2026-04-15 @ 12:00 am |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Billings MT on 2026-04-13 @ 11:56 pm |
| Headline: | Winter Storm Watch issued April 13 at 10:56PM MDT until April 17 at 6:00AM MDT by NWS Billings MT |
| Description: |
* WHAT...Heavy snow possible. Total snow accumulations between 12 and 18 inches possible. Winds could gust as high as 60 mph. * WHERE...Absaroka/Beartooth Mountains. * WHEN...From Wednesday evening through late Thursday night. * IMPACTS...Recreation in the high country could be impacted by heavy accumulating snow. Widespread blowing snow could significantly reduce visibility. * ADDITIONAL DETAILS...Highest totals expected above 9 kft. |
| Alert: | High Wind Watch |
| Area(s): | Madison River Valley; Beaverhead and Western Madison below 6000ft |
| Effective: | 2026-04-13 @ 11:51 pm -> 2026-04-15 @ 7:00 pm |
| Onset: | 2026-04-15 @ 10:00 am -> 2026-04-14 @ 7:00 pm |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Great Falls MT on 2026-04-13 @ 11:51 pm |
| Headline: | High Wind Watch issued April 13 at 10:51PM MDT until April 15 at 6:00PM MDT by NWS Great Falls MT |
| Description: |
* WHAT...Southwest winds 30 to 40 mph, with gusts up to 60 mph possible. * WHERE...The Madison and Beaverhead River Valleys. * WHEN...From Wednesday morning through Wednesday afternoon. * IMPACTS...High winds may move loose debris, damage property and cause power outages. Travel could be difficult, especially for high profile vehicles. |