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.