Yellowstone National Park, Wyoming

Regional Weather Alerts


     

Alert: Special Weather Statement
Area(s): Kootenai/Cabinet Region; West Glacier Region; Flathead/Mission Valleys
Effective: 2026-04-16 @ 8:42 am
Onset: 2026-04-16 @ 8:42 am -> 2026-04-16 @ 10:15 am
Severity: Moderate
Certainty: Observed
Urgency: Expected
Issued By: NWS Missoula MT on 2026-04-16 @ 8:42 am
Headline: Special Weather Statement issued April 16 at 7:42AM MDT by NWS Missoula MT
Description: At 740 AM MDT, Doppler radar and web cameras are tracking intense
snow showers along a line extending from 12 miles northwest of West
Glacier to near Yaak. Movement was southeast at 15 mph.

HAZARD...Visibility one-half mile or less.

SOURCE...Radar indicated.

IMPACT...Low visibility could result in dangerous driving
conditions.

Locations impacted include...
Libby, Whitefish, Eureka, Troy, West Glacier, Rexford, Apgar,
Kootenai Falls, Stryker, Polebridge, Olney, Lake McDonald, Radnor,
Fortine, Trailcreek, Yakt, Lupfer, Trego, Yaak, and Nyack.

This includes the following highways...
Highway 2 between mile markers 0 and 29, and between mile markers
146 and 164.
Highway 93 N between mile markers 134 and 186.

Alert: Winter Weather Advisory
Area(s): Southern Rocky Mountain Front; Little Belt and Highwood Mountains; Big Belt, Bridger and Castle Mountains
Effective: 2026-04-16 @ 6:16 am -> 2026-04-16 @ 1:00 pm
Onset: 2026-04-16 @ 6:16 am -> 2026-04-16 @ 1:00 pm
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Great Falls MT on 2026-04-16 @ 6:16 am
Headline: Winter Weather Advisory issued April 16 at 5:16AM MDT until April 16 at 12:00PM MDT by NWS Great Falls MT
Description: * WHAT...Snow. Additional snow accumulations up to two inches. Winds
gusting as high as 35 mph.

* WHERE...Big Belt, Bridger and Castle Mountains, Little Belt and
Highwood Mountains, and Southern Rocky Mountain Front.

* WHEN...Until noon MDT today.

* IMPACTS...Slushy snow covered roads may make travel difficult.
Falling and or blowing snow may significantly reduce visibility.
Those in the backcountry should ensure they are prepared for
dangerous conditions.

Alert: Winter Weather Advisory
Area(s): East Glacier Park Region
Effective: 2026-04-16 @ 6:16 am -> 2026-04-16 @ 1:00 pm
Onset: 2026-04-16 @ 6:16 am -> 2026-04-16 @ 1:00 pm
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Great Falls MT on 2026-04-16 @ 6:16 am
Headline: Winter Weather Advisory issued April 16 at 5:16AM MDT until April 16 at 12:00PM MDT by NWS Great Falls MT
Description: * WHAT...Snow. Additional snow accumulations up to 4 inches. Winds
gusting as high as 35 mph.

* WHERE...East Glacier Park Region Zone.

* WHEN...Until noon MDT today.

* IMPACTS...Travel could be very difficult and tire chains may be
required for some vehicles. Falling and or blowing snow may
significantly reduce visibility. Those in the backcountry should
ensure they are prepared for dangerous conditions.

Alert: Winter Weather Advisory
Area(s): Madison River Valley
Effective: 2026-04-16 @ 6:16 am -> 2026-04-16 @ 7:00 pm
Onset: 2026-04-16 @ 6:16 am -> 2026-04-16 @ 7:00 pm
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Great Falls MT on 2026-04-16 @ 6:16 am
Headline: Winter Weather Advisory issued April 16 at 5:16AM MDT until April 16 at 6:00PM MDT by NWS Great Falls MT
Description: * WHAT...Snow. Additional snow accumulations up to two inches.

* WHERE...Madison River Valley.

* WHEN...Until 6 PM MDT this evening.

* IMPACTS...Slushy snow covered roads may make travel difficult,
especially Thursday morning. The hazardous conditions could impact
the Thursday morning and evening commutes.

Alert: Winter Weather Advisory
Area(s): Gallatin Valley
Effective: 2026-04-16 @ 6:16 am -> 2026-04-16 @ 7:00 pm
Onset: 2026-04-16 @ 6:16 am -> 2026-04-16 @ 7:00 pm
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Great Falls MT on 2026-04-16 @ 6:16 am
Headline: Winter Weather Advisory issued April 16 at 5:16AM MDT until April 16 at 6:00PM MDT by NWS Great Falls MT
Description: * WHAT...Snow. Additional snow accumulations between 2 and 4 inches.

* WHERE...Gallatin Valley.

* WHEN...Until 6 PM MDT this evening.

* IMPACTS...Slushy snow covered roads may make travel difficult,
especially Thursday morning. The hazardous conditions could impact
the Thursday morning and evening commutes. Isolated power outages
and or tree damage possible.

Alert: Winter Storm Warning
Area(s): Gallatin and Madison County Mountains and Centennial Mountains
Effective: 2026-04-16 @ 6:16 am -> 2026-04-17 @ 1:00 am
Onset: 2026-04-16 @ 6:16 am -> 2026-04-16 @ 9:30 pm
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS Great Falls MT on 2026-04-16 @ 6:16 am
Headline: Winter Storm Warning issued April 16 at 5:16AM MDT until April 17 at 12:00AM MDT by NWS Great Falls MT
Description: * WHAT...Heavy snow. Storm total snow accumulations between 6 and 16
inches.

* WHERE...Gallatin and Madison County Mountains and Centennial
Mountains.

* WHEN...Until midnight MDT tonight.

* IMPACTS...Travel could be very difficult and tire chains may be
required for some vehicles. Falling and or blowing snow may
significantly reduce visibility. Those in the backcountry should
ensure they are prepared for dangerous conditions. Isolated power
outages and or tree damage possible.

Alert: Winter Weather Advisory
Area(s): Paradise Valley
Effective: 2026-04-16 @ 6:03 am -> 2026-04-17 @ 7:00 am
Onset: 2026-04-16 @ 6:03 am -> 2026-04-17 @ 6:15 am
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Billings MT on 2026-04-16 @ 6:03 am
Headline: Winter Weather Advisory issued April 16 at 5:03AM MDT until April 17 at 6:00AM MDT by NWS Billings MT
Description: * WHAT...Snow. Additional snow accumulations between 2 and 5 inches.
Winds gusting as high as 30 mph.

* WHERE...Paradise Valley.

* WHEN...Until 6 AM MDT Friday.

* IMPACTS...Falling snow and breezy winds may lead to visibility
reductions due to blowing snow. The hazardous conditions will
impact the Thursday morning and evening commutes.

* ADDITIONAL DETAILS...Locations on the east side of the valley may
see locally higher snow totals, esepcailly in the higher
elevations. Areas near Gardiner may also see totals over 3 inches.

Alert: Winter Weather Advisory
Area(s): Red Lodge Foothills; Livingston Area; Beartooth Foothills
Effective: 2026-04-16 @ 6:03 am -> 2026-04-17 @ 7:00 am
Onset: 2026-04-16 @ 6:03 am -> 2026-04-17 @ 6:15 am
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Billings MT on 2026-04-16 @ 6:03 am
Headline: Winter Weather Advisory issued April 16 at 5:03AM MDT until April 17 at 6:00AM MDT by NWS Billings MT
Description: * WHAT...Snow. Additional snow accumulations up to 4 inches. Winds
gusting as high as 35 mph.

* WHERE...Beartooth Foothills, Livingston Area, and Red Lodge
Foothills.

* WHEN...Until 6 AM MDT Friday.

* IMPACTS...Falling snow and breezy winds may lead to visibility
reductions due to blowing snow. The hazardous conditions will
impact the Thursday morning and evening commutes.

* ADDITIONAL DETAILS...Locations close to the mountains may see
locally higher snow totals.

Alert: Winter Weather Advisory
Area(s): Northern Park
Effective: 2026-04-16 @ 6:03 am -> 2026-04-17 @ 7:00 am
Onset: 2026-04-16 @ 6:03 am -> 2026-04-17 @ 6:15 am
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Billings MT on 2026-04-16 @ 6:03 am
Headline: Winter Weather Advisory issued April 16 at 5:03AM MDT until April 17 at 6:00AM MDT by NWS Billings MT
Description: * WHAT...Snow. Total snow accumulations between 1 and 3 inches.

* WHERE...Northern Park.

* WHEN...Until 6 AM MDT Friday.

* IMPACTS...Plan on slick road conditions and poor visibility at
times. The hazardous conditions will impact the Thursday morning
and evening commutes.

* 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 @ 6:03 am -> 2026-04-17 @ 7:00 am
Onset: 2026-04-16 @ 10:00 am -> 2026-04-17 @ 6:15 am
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Billings MT on 2026-04-16 @ 6:03 am
Headline: Winter Weather Advisory issued April 16 at 5:03AM MDT until April 17 at 6:00AM MDT by NWS Billings MT
Description: * WHAT...Snow and blowing snow. Total snow accumulations between 6
and 12 inches. Winds gusting as high as 35 mph.

* WHERE...In Montana, Pryor/Northern Bighorn Mountains. In Wyoming,
Northeast Bighorn Mountains.

* WHEN...From 9 AM this morning to 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 Thursday morning and evening
commutes.

Alert: Winter Weather Advisory
Area(s): Southern Big Horn; Sheridan Foothills
Effective: 2026-04-16 @ 6:03 am -> 2026-04-17 @ 7:00 am
Onset: 2026-04-16 @ 1:00 pm -> 2026-04-17 @ 6:15 am
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Billings MT on 2026-04-16 @ 6:03 am
Headline: Winter Weather Advisory issued April 16 at 5:03AM MDT until April 17 at 6:00AM MDT by NWS Billings MT
Description: * WHAT...Snow. Total snow accumulations up to three inches. Winds
gusting as high as 40 mph.

* WHERE...In Montana, Southern Big Horn. In Wyoming, Sheridan
Foothills.

* WHEN...From noon today to 6 AM MDT Friday.

* IMPACTS...Falling snow and breezy winds may lead to visibility
reductions due to blowing snow. The hazardous conditions will
impact the Thursday 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 Storm Warning
Area(s): Absaroka/Beartooth Mountains; Crazy Mountains
Effective: 2026-04-16 @ 6:03 am -> 2026-04-17 @ 7:00 am
Onset: 2026-04-16 @ 6:03 am -> 2026-04-17 @ 6:15 am
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS Billings MT on 2026-04-16 @ 6:03 am
Headline: Winter Storm Warning issued April 16 at 5:03AM MDT until April 17 at 6:00AM MDT by NWS Billings MT
Description: * WHAT...Heavy snow and blowing snow. Total snow accumulations of 1
to 2 feet. Winds gusting as high as 45 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: Lake Wind Advisory
Area(s): Central and Southeast Phillips; Central and Southern Valley; Petroleum; Garfield; McCone; Southwest Phillips
Effective: 2026-04-15 @ 9:25 pm -> 2026-04-16 @ 10:00 pm
Onset: 2026-04-16 @ 10:00 am -> 2026-04-16 @ 5:00 pm
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Glasgow MT on 2026-04-15 @ 9:25 pm
Headline: Lake Wind Advisory issued April 15 at 8:25PM MDT until April 16 at 9:00PM MDT by NWS Glasgow MT
Description: * WHAT...Northwest winds 15 to 25 mph with gusts up to 35 mph
expected.

* WHERE...Fort Peck Lake.

* WHEN...From 9 AM to 9 PM MDT Thursday.

* IMPACTS...Strong winds will produce waves up to 4 feet which can
overturn or swamp small craft.

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): 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: 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): 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): 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.