Major Winter Storm to Impact the Mid-Atlantic and Northeast; Inclement Weather in the Pacific Northwest

A major winter storm is expected to bring heavy snow, strong winds, and coastal flooding across the Mid-Atlantic and Northeast that may cause impossible travel conditions and power outages. Blizzard conditions are possible along coastal areas from the DelMarVa Peninsula through southeastern New England. Wet weather and strong winds return to the Pacific Northwest and north-central California. Read More >

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

NA

40°F

4°C

Humidity 31%
Wind Speed SSE 4 MPH
Barometer NA
Dewpoint 12°F (-11°C)
Visibility NA
Wind Chill37°F (3°C)
Last update 22 Feb 01:15 PM MST
Extended Forecast for

Mammoth Hot Springs WY

Winter Storm Watch February 24, 05:00am until February 25, 11:00am
Click here for hazard details and duration
Winter Storm Watch
  • This Afternoon

    This Afternoon: Sunny, with a high near 43. South wind around 10 mph, with gusts as high as 23 mph.

    High: 43 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 22. South wind around 9 mph.

    Low: 22 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 44. Breezy, with a south southwest wind 8 to 16 mph, with gusts as high as 36 mph.

    High: 44 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: A 40 percent chance of snow showers after 11pm.  Mostly cloudy, with a low around 33. South southwest wind 11 to 14 mph, with gusts as high as 30 mph.  New snow accumulation of less than a half inch possible.

    Low: 33 °F

    Chance Snow
    Showers

  • Tuesday

    Tuesday: Snow showers likely before 11am, then rain and snow showers between 11am and 2pm, then rain showers after 2pm.  High near 42. Southwest wind 10 to 13 mph, with gusts as high as 29 mph.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain showers before 2am, then rain and snow showers.  Snow level 6600 feet lowering to 6100 feet after midnight . Low around 32. Southwest wind around 14 mph, with gusts as high as 28 mph.  Chance of precipitation is 80%.

    Low: 32 °F

    Showers then
    Rain/Snow

  • Wednesday

    Wednesday: Snow showers likely, mainly before 11am.  Mostly sunny, with a high near 41. Breezy, with a west wind 14 to 18 mph, with gusts as high as 37 mph.  Chance of precipitation is 60%.

    High: 41 °F

    Breezy. Snow
    Showers
    Likely then
    Chance Snow
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 20. Breezy.

    Low: 20 °F

    Mostly Clear
    and Breezy
    then Partly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 38. Breezy.

    High: 38 °F

    Mostly Sunny
    and Breezy

Detailed Forecast

This Afternoon
Sunny, with a high near 43. South wind around 10 mph, with gusts as high as 23 mph.
Tonight
Increasing clouds, with a low around 22. South wind around 9 mph.
Monday
Mostly sunny, with a high near 44. Breezy, with a south southwest wind 8 to 16 mph, with gusts as high as 36 mph.
Monday Night
A 40 percent chance of snow showers after 11pm. Mostly cloudy, with a low around 33. South southwest wind 11 to 14 mph, with gusts as high as 30 mph. New snow accumulation of less than a half inch possible.
Tuesday
Snow showers likely before 11am, then rain and snow showers between 11am and 2pm, then rain showers after 2pm. High near 42. Southwest wind 10 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Tuesday Night
Rain showers before 2am, then rain and snow showers. Snow level 6600 feet lowering to 6100 feet after midnight . Low around 32. Southwest wind around 14 mph, with gusts as high as 28 mph. Chance of precipitation is 80%.
Wednesday
Snow showers likely, mainly before 11am. Mostly sunny, with a high near 41. Breezy, with a west wind 14 to 18 mph, with gusts as high as 37 mph. Chance of precipitation is 60%.
Wednesday Night
Mostly clear, with a low around 20. Breezy.
Thursday
Mostly sunny, with a high near 38. Breezy.
Thursday Night
Partly cloudy, with a low around 25. Breezy.
Friday
A slight chance of snow showers. Mostly sunny, with a high near 41. Breezy.
Friday Night
A chance of snow showers. Mostly cloudy, with a low around 23. Breezy.
Saturday
A slight chance of snow showers. Mostly sunny, with a high near 40.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Mammoth Hot Springs WY
 44.98°N 110.69°W (Elev. 5745 ft)
2:01 pm MST Feb 22, 2026
2pm MST Feb 22, 2026-6pm MST Feb 28, 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