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Pacific Storm Moves Inland; Clipper System for the Northeast; Strong Storm Impacting Alaska

A Pacific system will bring low elevation rain and isolated thunderstorms to California tonight. Heavy snow is expected for the Sierra Nevada through late tomorrow. In the Northeast, snow may cause hazardous travel this evening into tomorrow. In Alaska, a powerful storm will bring dangerous seas, blizzard conditions, strong winds and bitterly cold across the state through mid-week. Read More >

Hazardous Weather Conditions

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

NA

22°F

-6°C

Humidity 79%
Wind Speed SW 5 MPH
Barometer NA
Dewpoint 16°F (-9°C)
Visibility NA
Wind Chill15°F (-9°C)
Last update 10 Feb 09:15 PM MST
Extended Forecast for

Mammoth Hot Springs WY

  • Tonight

    Tonight: Partly cloudy, with a low around 20. South southeast wind around 6 mph.

    Low: 20 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Snow showers likely before 1pm, then a chance of rain and snow showers. Mostly cloudy, with a high near 40. Southeast wind 3 to 6 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Chance Snow
    Showers then
    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: A slight chance of rain and snow showers before 11pm. Snow level 6200 feet lowering to 5700 feet after midnight . Mostly cloudy, with a low around 28. Light south southwest wind. Chance of precipitation is 20%.

    Low: 28 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 43. Southwest wind 3 to 6 mph.

    High: 43 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 27. South wind around 6 mph.

    Low: 27 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 41. South wind around 6 mph.

    High: 41 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 27. South wind around 7 mph.

    Low: 27 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 40.

    High: 40 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 20 percent chance of snow showers after 11pm. Mostly cloudy, with a low around 30.

    Low: 30 °F

    Slight Chance
    Snow Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 20. South southeast wind around 6 mph.
Wednesday
Snow showers likely before 1pm, then a chance of rain and snow showers. Mostly cloudy, with a high near 40. Southeast wind 3 to 6 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday Night
A slight chance of rain and snow showers before 11pm. Snow level 6200 feet lowering to 5700 feet after midnight . Mostly cloudy, with a low around 28. Light south southwest wind. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 43. Southwest wind 3 to 6 mph.
Thursday Night
Mostly cloudy, with a low around 27. South wind around 6 mph.
Friday
Partly sunny, with a high near 41. South wind around 6 mph.
Friday Night
Mostly cloudy, with a low around 27. South wind around 7 mph.
Saturday
Mostly cloudy, with a high near 40.
Saturday Night
A 20 percent chance of snow showers after 11pm. Mostly cloudy, with a low around 30.
Sunday
A 30 percent chance of snow showers, mainly after 11am. Mostly cloudy, with a high near 43.
Sunday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 30.
Washington's Birthday
A chance of snow showers. Mostly sunny, with a high near 45.
Monday Night
A chance of snow showers. Mostly cloudy, with a low around 30.
Tuesday
A chance of snow showers. Mostly cloudy, with a high near 39.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mammoth Hot Springs WY
 44.98°N 110.69°W (Elev. 5745 ft)
Last Update:
7:47 pm MST Feb 10, 2026
Forecast Valid:
10pm MST Feb 10, 2026-6pm MST Feb 17, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation