Yellowstone National Park, Wyoming
Regional Weather Alerts
| Alert: | Winter Storm Watch |
| Area(s): | Absaroka/Beartooth Mountains |
| Effective: | 2025-12-07 @ 3:44 pm -> 2025-12-10 @ 6:00 pm |
| Onset: | 2025-12-08 @ 6:00 pm -> 2025-12-08 @ 3:45 pm |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Billings MT on 2025-12-07 @ 3:44 pm |
| Headline: | Winter Storm Watch issued December 7 at 2:44PM MST until December 10 at 5:00PM MST by NWS Billings MT |
| Description: |
* WHAT...Periods of heavy snow. Total snow accumulations between 1 and 2 feet possible, greatest on west aspects. Winds could gust as high as 70 mph. * WHERE...Absaroka/Beartooth Mountains. * WHEN...From Monday afternoon through Wednesday afternoon. * IMPACTS...Recreation in the high country may be difficult to impossible. * ADDITIONAL DETAILS...Additional periods of heavy snow possible Thursday through Friday. |
| Alert: | Wind Advisory |
| Area(s): | Livingston Area; Beartooth Foothills |
| Effective: | 2025-12-07 @ 3:27 pm -> 2025-12-08 @ 6:00 pm |
| Onset: | 2025-12-07 @ 9:00 pm -> 2025-12-08 @ 3:30 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Billings MT on 2025-12-07 @ 3:27 pm |
| Headline: | Wind Advisory issued December 7 at 2:27PM MST until December 8 at 5:00PM MST by NWS Billings MT |
| Description: |
* WHAT...For the Wind Advisory, southwest winds gusting to 60 mph expected. For the High Wind Watch, southwest winds gusting 70 to 80 mph possible. * WHERE...Beartooth Foothills and Livingston Area. * WHEN...For the Wind Advisory, from 8 PM this evening to 5 PM MST Monday. For the High Wind Watch, from Monday afternoon through Tuesday morning. * IMPACTS...Expect hazardous crosswinds on I-90 from Livingston to Big Timber. Secure loose outdoor objects. * ADDITIONAL DETAILS...Strongest wind gusts are expected to occur Monday night to early Tuesday morning. |
| Alert: | High Wind Watch |
| Area(s): | Absaroka/Beartooth Mountains; Crazy Mountains |
| Effective: | 2025-12-07 @ 3:27 pm -> 2025-12-09 @ 12:00 pm |
| Onset: | 2025-12-08 @ 6:00 pm -> 2025-12-08 @ 3:30 pm |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Billings MT on 2025-12-07 @ 3:27 pm |
| Headline: | High Wind Watch issued December 7 at 2:27PM MST until December 9 at 11:00AM MST by NWS Billings MT |
| Description: |
* WHAT...West winds gusting near 80 mph possible. * WHERE...Absaroka/Beartooth Mountains and Crazy Mountains. * WHEN...From Monday afternoon through Tuesday morning. * IMPACTS...Outdoor recreation may be impacted by very strong wind gusts and areas of blowing snow. |
| Alert: | High Wind Watch |
| Area(s): | Livingston Area; Beartooth Foothills |
| Effective: | 2025-12-07 @ 3:27 pm -> 2025-12-09 @ 12:00 pm |
| Onset: | 2025-12-08 @ 6:00 pm -> 2025-12-08 @ 3:30 pm |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Billings MT on 2025-12-07 @ 3:27 pm |
| Headline: | High Wind Watch issued December 7 at 2:27PM MST until December 9 at 11:00AM MST by NWS Billings MT |
| Description: |
* WHAT...For the Wind Advisory, southwest winds gusting to 60 mph expected. For the High Wind Watch, southwest winds gusting 70 to 80 mph possible. * WHERE...Beartooth Foothills and Livingston Area. * WHEN...For the Wind Advisory, from 8 PM this evening to 5 PM MST Monday. For the High Wind Watch, from Monday afternoon through Tuesday morning. * IMPACTS...Expect hazardous crosswinds on I-90 from Livingston to Big Timber. Secure loose outdoor objects. * ADDITIONAL DETAILS...Strongest wind gusts are expected to occur Monday night to early Tuesday morning. |
| Alert: | High Wind Watch |
| Area(s): | Northern Stillwater; Golden Valley |
| Effective: | 2025-12-07 @ 3:27 pm -> 2025-12-09 @ 6:00 pm |
| Onset: | 2025-12-09 @ 6:00 am -> 2025-12-08 @ 3:30 pm |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Billings MT on 2025-12-07 @ 3:27 pm |
| Headline: | High Wind Watch issued December 7 at 2:27PM MST until December 9 at 5:00PM MST by NWS Billings MT |
| Description: |
* WHAT...West winds gusting to 65 mph possible. * WHERE...Golden Valley and Northern Stillwater. * WHEN...From late Monday night through Tuesday afternoon. * IMPACTS...Travel could be impacted by hazardous crosswinds, especially for high profile vehicles. Secure loose outdoor objects. * ADDITIONAL DETAILS...Strongest winds will be during the day Tuesday. |
| Alert: | High Wind Watch |
| Area(s): | Judith Gap; Northern Sweet Grass; Melville Foothills; Southern Wheatland |
| Effective: | 2025-12-07 @ 3:27 pm -> 2025-12-09 @ 6:00 pm |
| Onset: | 2025-12-09 @ 12:00 am -> 2025-12-08 @ 3:30 pm |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Billings MT on 2025-12-07 @ 3:27 pm |
| Headline: | High Wind Watch issued December 7 at 2:27PM MST until December 9 at 5:00PM MST by NWS Billings MT |
| Description: |
* WHAT...West winds gusting 60 to 70 mph possible. * WHERE...Judith Gap, Southern Wheatland, Melville Foothills, and Northern Sweet Grass. * WHEN...From Monday evening through Tuesday afternoon. * IMPACTS...Hazardous crosswinds may impact travel on US-191 from Big Timber to Harlowton and Judith Gap. Secure loose outdoor objects. * ADDITIONAL DETAILS...Strongest winds will be Tuesday morning through afternoon. |
| Alert: | High Wind Watch |
| Area(s): | Musselshell; Treasure; Northern Rosebud; Custer; Fallon; Powder River; Carter; Northern Big Horn; Southern Rosebud; Southern Big Horn; Bighorn Canyon; Northern Carbon; Northeastern Yellowstone; Southwestern Yellowstone; Sheridan Foothills |
| Effective: | 2025-12-07 @ 3:27 pm -> 2025-12-09 @ 6:00 pm |
| Onset: | 2025-12-09 @ 6:00 am -> 2025-12-08 @ 3:30 pm |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Billings MT on 2025-12-07 @ 3:27 pm |
| Headline: | High Wind Watch issued December 7 at 2:27PM MST until December 9 at 5:00PM MST by NWS Billings MT |
| Description: |
* WHAT...West winds with gusts up to 60 mph possible. * WHERE...Portions of central, south central, and southeast Montana and north central Wyoming. * WHEN...From late Monday night through Tuesday afternoon. * IMPACTS...Travel could be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Strongest winds will be during the day Tuesday. |
| Alert: | High Wind Watch |
| Area(s): | Southwest Phillips |
| Effective: | 2025-12-07 @ 2:55 pm -> 2025-12-09 @ 6:00 pm |
| Onset: | 2025-12-09 @ 12:00 am -> 2025-12-08 @ 6:30 am |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Glasgow MT on 2025-12-07 @ 2:55 pm |
| Headline: | High Wind Watch issued December 7 at 1:55PM MST until December 9 at 5:00PM MST by NWS Glasgow MT |
| Description: |
* WHAT...West winds 30 to 40 mph with gusts up to 60 mph possible. * WHERE...Southwest Phillips County. * WHEN...From Monday evening through Tuesday afternoon. * 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 Watch |
| Area(s): | Central and Southeast Phillips; Central and Southern Valley; Daniels; Sheridan; Western Roosevelt; Petroleum; Garfield; McCone; Richland; Dawson; Prairie; Wibaux; Northern Phillips; Northern Valley; Eastern Roosevelt |
| Effective: | 2025-12-07 @ 2:55 pm -> 2025-12-09 @ 6:00 pm |
| Onset: | 2025-12-09 @ 12:00 am -> 2025-12-08 @ 6:30 am |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Glasgow MT on 2025-12-07 @ 2:55 pm |
| Headline: | High Wind Watch issued December 7 at 1:55PM MST until December 9 at 5:00PM MST by NWS Glasgow MT |
| Description: |
* WHAT...West winds 30 to 40 mph with gusts up to 60 mph possible. * WHERE...A portion of northeast Montana. * WHEN...From Monday evening through Tuesday afternoon. * 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 Watch |
| Area(s): | Hill County; Northern Blaine County; Western and Central Chouteau County; Bears Paw Mountains and Southern Blaine; Judith Basin County and Judith Gap; Fergus County below 4500ft; Little Belt and Highwood Mountains; Snowy and Judith Mountains; Big Belt, Bridger and Castle Mountains; Meagher County Valleys; Madison River Valley |
| Effective: | 2025-12-07 @ 2:18 pm -> 2025-12-09 @ 11:00 am |
| Onset: | 2025-12-08 @ 7:00 pm -> 2025-12-08 @ 5:30 am |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Great Falls MT on 2025-12-07 @ 2:18 pm |
| Headline: | High Wind Watch issued December 7 at 1:18PM MST until December 9 at 10:00AM MST by NWS Great Falls MT |
| Description: |
* WHAT...Southwest winds 35 to 45 mph, with gusts up to 70 mph possible. * WHERE...Portions of central, north central, and southwest Montana. * WHEN...From Monday evening through Tuesday morning. * IMPACTS...Travel could be difficult, especially for high profile vehicles. |
| Alert: | High Wind Watch |
| Area(s): | East Glacier Park Region; Northern High Plains; Eastern Glacier, Western Toole, and Central Pondera; Eastern Toole and Liberty; Southern Rocky Mountain Front; Southern High Plains; Eastern Pondera and Eastern Teton; Cascade County below 5000ft; Upper Blackfoot and MacDonald Pass; Gates of the Mountains |
| Effective: | 2025-12-07 @ 2:18 pm -> 2025-12-09 @ 11:00 am |
| Onset: | 2025-12-08 @ 3:00 pm -> 2025-12-08 @ 5:30 am |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Great Falls MT on 2025-12-07 @ 2:18 pm |
| Headline: | High Wind Watch issued December 7 at 1:18PM MST until December 9 at 10:00AM MST by NWS Great Falls MT |
| Description: |
* WHAT...Southwest winds 35 to 45 mph, with gusts up to 70 mph over the plains and near 80 mph possible along the Rocky Mountain Front. * WHERE...The Rocky Mountain Front and adjacent foothills and plains, The Interstate 15 Corridor north of Power, Eastern Toole and Liberty Counties, Cascade County below 5000ft, Upper Blackfoot and MacDonald Pass, and Gates of the Mountains. * WHEN...From Monday afternoon through Tuesday morning. * IMPACTS...Travel could be difficult, especially for high profile vehicles. |
| Alert: | Wind Advisory |
| Area(s): | Kootenai/Cabinet Region; Lower Clark Fork Region |
| Effective: | 2025-12-07 @ 1:38 pm -> 2025-12-09 @ 9:00 am |
| Onset: | 2025-12-08 @ 9:00 pm -> 2025-12-09 @ 9:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Missoula MT on 2025-12-07 @ 1:38 pm |
| Headline: | Wind Advisory issued December 7 at 12:38PM MST until December 9 at 8:00AM MST by NWS Missoula MT |
| Description: |
* WHAT...Southwest winds 20 to 30 mph with gusts up to 45 mph expected. Gusts over 50 mph on the higher terrain. * WHERE...Kootenai/Cabinet Region and Lower Clark Fork Region. * WHEN...From 8 PM Monday to 8 AM MST Tuesday. * IMPACTS...Gusty winds will blow around unsecured objects. Weakened trees and tree limbs could be blown down impacting road access and causing localized power outages. |
| Alert: | Wind Advisory |
| Area(s): | Flathead/Mission Valleys |
| Effective: | 2025-12-07 @ 1:38 pm -> 2025-12-09 @ 9:00 am |
| Onset: | 2025-12-09 @ 12:00 am -> 2025-12-09 @ 9:00 am |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Missoula MT on 2025-12-07 @ 1:38 pm |
| Headline: | Wind Advisory issued December 7 at 12:38PM MST until December 9 at 8:00AM MST by NWS Missoula MT |
| Description: |
* WHAT...Southwest winds 15 to 25 mph with gusts up to 45 mph expected. * WHERE...Flathead/Mission Valleys. * WHEN...From 11 PM Monday to 8 AM MST Tuesday. * IMPACTS...Gusty winds will blow around unsecured objects. Weakened trees and tree limbs could be blown down impacting road access and causing localized power outages. |
| Alert: | Wind Advisory |
| Area(s): | West Glacier Region |
| Effective: | 2025-12-07 @ 1:38 pm -> 2025-12-09 @ 12:00 pm |
| Onset: | 2025-12-09 @ 12:00 am -> 2025-12-09 @ 12:00 pm |
| Severity: | Moderate |
| Certainty: | Likely |
| Urgency: | Expected |
| Issued By: | NWS Missoula MT on 2025-12-07 @ 1:38 pm |
| Headline: | Wind Advisory issued December 7 at 12:38PM MST until December 9 at 11:00AM MST by NWS Missoula MT |
| Description: |
* WHAT...Southwest winds 25 to 35 mph with gusts up to 50 mph expected. Gusts over 50 mph on the higher terrain. * WHERE...West Glacier Region. * WHEN...From 11 PM Monday to 11 AM MST Tuesday. * IMPACTS...Gusty winds will blow around unsecured objects. Weakened trees and tree limbs could be blown down impacting road access and causing localized power outages. * ADDITIONAL DETAILS...Snow and poor visibility is a concern at Marias Pass Monday afternoon through Tuesday morning. Watch for changeable conditions near the Pass. |
| Alert: | Hydrologic Outlook |
| Area(s): | Lemhi, ID; Lincoln, MT; Missoula, MT; Ravalli, MT; Sanders, MT |
| Effective: | 2025-12-07 @ 1:18 pm |
| Onset: | 2025-12-07 @ 1:18 pm -> 2025-12-08 @ 1:30 pm |
| Severity: | Unknown |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Missoula MT on 2025-12-07 @ 1:18 pm |
| Headline: | Hydrologic Outlook issued December 7 at 12:18PM MST by NWS Missoula MT |
| Description: |
ESFMSO A prolonged atmospheric river is expected to bring periods of heavy rain for western Montana and Lemhi County, Idaho, Monday night through Thursday. Rising snow levels will lead to a rain on snow event for elevations below 7,000 feet Monday night into Tuesday morning. The precipitation rates will briefly decrease Tuesday afternoon, before second surge of moisture arrives Tuesday night into Thursday. During the second surge, snow levels will be lower, ranging from 4,000-5,000 feet north of I-90, to 5,000-7,000 feet south of I-90, with the highest snow levels across Lemhi County, Idaho. By Thursday, significant precipitation totals are forecast, with 1 to 3 inches in the valleys and 4 to 8 inches in the mountains, with locally higher totals over mountain crests. Landslides in areas of steep terrain and minor flooding in urban and poor drainage areas is possible. Storm drains and ditches may become clogged with debris. |
| Alert: | Flood Watch |
| Area(s): | Mineral, MT |
| Effective: | 2025-12-07 @ 1:14 pm -> 2025-12-11 @ 6:00 am |
| Onset: | 2025-12-08 @ 6:00 pm -> 2025-12-08 @ 1:15 pm |
| Severity: | Severe |
| Certainty: | Possible |
| Urgency: | Future |
| Issued By: | NWS Missoula MT on 2025-12-07 @ 1:14 pm |
| Headline: | Flood Watch issued December 7 at 12:14PM MST until December 11 at 5:00AM MST by NWS Missoula MT |
| Description: |
* WHAT...Flooding caused by rain and snowmelt is possible. * WHERE...Mineral County, Montana. * WHEN...From Monday afternoon through Thursday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. Storm drains and ditches may become clogged with debris. * ADDITIONAL DETAILS... - A prolonged atmospheric river is expected to bring periods of heavy rain to Mineral County, Monday night through Thursday. Rising snow levels will lead to a rain on snow event for elevations below 7,000 feet Monday night into Tuesday morning. The precipitation rates will briefly decrease Tuesday afternoon, before a second surge of moisture arrives Tuesday night into Thursday morning. By Thursday, significant precipitation totals are forecast, with 1 to 3 inches in the valleys and 3 to 6 inches in the mountains, with locally higher totals over mountain crests. Landslides in areas of steep terrain and minor flooding in urban and poor drainage areas is possible. - https://www.weather.gov/mso/hydrology |