High-Impact and Far-Reaching Winter Storm Continues; Cold Expands and Persists

A major winter storm will shift its impacts into the Northeast U.S. with heavy snow through tonight while over the Mid-Atlantic, sleet and freezing rain will diminish. Extremely cold air behind the storm will prolong dangerous travel and infrastructure impacts. Sub-zero low temperatures are expected nearly every morning from the Northern Plains through the Ohio Valley and into the Northeast. Read More >

Hazardous Weather Conditions

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

Lat: 44.977222°NLon: 110.695278°WElev: 6138.0ft.

NA

8°F

-13°C

Humidity 56%
Wind Speed SW 6 MPH
Barometer NA
Dewpoint -5°F (-21°C)
Visibility NA
Wind Chill-2°F (-19°C)
Last update 26 Jan 12:15 AM MST
Extended Forecast for

5 Miles WNW Mount Holmes WY

  • Overnight

    Overnight: Partly cloudy, with a low around -5. Wind chill values as low as -20. Southwest wind around 10 mph.

    Low: -5 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 16. Wind chill values as low as -20. Southwest wind 9 to 14 mph, with gusts as high as 21 mph.

    High: 16 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 4. Wind chill values as low as -5. Southwest wind 6 to 8 mph.

    Low: 4 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 20. Wind chill values as low as -5. Southwest wind 5 to 8 mph.

    High: 20 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 8. South wind around 6 mph.

    Low: 8 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 22. Southwest wind 6 to 8 mph.

    High: 22 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 8. Southwest wind around 6 mph.

    Low: 8 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 23.

    High: 23 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 12.

    Low: 12 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around -5. Wind chill values as low as -20. Southwest wind around 10 mph.
Monday
Mostly sunny, with a high near 16. Wind chill values as low as -20. Southwest wind 9 to 14 mph, with gusts as high as 21 mph.
Monday Night
Partly cloudy, with a low around 4. Wind chill values as low as -5. Southwest wind 6 to 8 mph.
Tuesday
Mostly sunny, with a high near 20. Wind chill values as low as -5. Southwest wind 5 to 8 mph.
Tuesday Night
Mostly cloudy, with a low around 8. South wind around 6 mph.
Wednesday
Partly sunny, with a high near 22. Southwest wind 6 to 8 mph.
Wednesday Night
Mostly cloudy, with a low around 8. Southwest wind around 6 mph.
Thursday
Partly sunny, with a high near 23.
Thursday Night
Mostly cloudy, with a low around 12.
Friday
A 20 percent chance of snow showers. Mostly cloudy, with a high near 24.
Friday Night
Mostly cloudy, with a low around 16.
Saturday
Partly sunny, with a high near 27.
Saturday Night
Mostly cloudy, with a low around 16.
Sunday
Partly sunny, with a high near 30.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WNW Mount Holmes WY
 44.83°N 110.94°W (Elev. 8369 ft)
12:48 am MST Jan 26, 2026
1am MST Jan 26, 2026-6pm MST Feb 1, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database