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Hazardous Weather Conditions

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

NA

39°F

4°C

Humidity 54%
Wind Speed SSW 9 MPH
Barometer NA
Dewpoint 23°F (-5°C)
Visibility NA
Wind Chill33°F (1°C)
Last update 15 Apr 05:15 AM MDT
Extended Forecast for

5 Miles SSW Mammoth Hot Springs WY

Winter Storm Warning April 15, 06:00pm until April 17, 06:00am
Click here for hazard details and duration
Winter Storm Warning

  • Today

    Today: Snow showers likely before 3pm, then rain and snow showers. High near 40. Windy, with a south southwest wind 14 to 19 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than a half inch possible.

    High: 40 °F

    Scattered
    Snow Showers
    and Breezy
    then
    Rain/Snow and
    Windy

  • Tonight

    Tonight: Rain and snow showers, becoming all snow after 11pm. Some thunder is also possible. Low around 25. Breezy, with a south southwest wind 19 to 24 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    Low: 25 °F

    Breezy.
    Rain/Snow
    then Snow
    Showers

  • Thursday

    Thursday: Snow showers. Some thunder is also possible. High near 29. Southwest wind 10 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    High: 29 °F

    Snow Showers

  • Thursday Night

    Thursday Night: Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 12. North northwest wind 6 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 12 °F

    Snow Showers
    Likely then
    Scattered
    Snow Showers

  • Friday

    Friday: Snow showers likely, mainly after noon. Some thunder is also possible. Partly sunny, with a high near 29. North northwest wind 6 to 10 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 29 °F

    Scattered
    Snow Showers
    then Snow
    Showers
    Likely

  • Friday Night

    Friday Night: A 30 percent chance of snow showers before midnight. Partly cloudy, with a low around 12. North northwest wind 5 to 10 mph becoming light and variable. Winds could gust as high as 25 mph.

    Low: 12 °F

    Chance Snow
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 38. Southwest wind 5 to 11 mph, with gusts as high as 26 mph.

    High: 38 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 19.

    Low: 19 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

Detailed Forecast

Today
Snow showers likely before 3pm, then rain and snow showers. High near 40. Windy, with a south southwest wind 14 to 19 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Rain and snow showers, becoming all snow after 11pm. Some thunder is also possible. Low around 25. Breezy, with a south southwest wind 19 to 24 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Thursday
Snow showers. Some thunder is also possible. High near 29. Southwest wind 10 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Thursday Night
Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 12. North northwest wind 6 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Friday
Snow showers likely, mainly after noon. Some thunder is also possible. Partly sunny, with a high near 29. North northwest wind 6 to 10 mph, with gusts as high as 26 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Friday Night
A 30 percent chance of snow showers before midnight. Partly cloudy, with a low around 12. North northwest wind 5 to 10 mph becoming light and variable. Winds could gust as high as 25 mph.
Saturday
Sunny, with a high near 38. Southwest wind 5 to 11 mph, with gusts as high as 26 mph.
Saturday Night
Mostly clear, with a low around 19.
Sunday
Sunny, with a high near 48.
Sunday Night
Partly cloudy, with a low around 27.
Monday
Mostly sunny, with a high near 54.
Monday Night
A slight chance of showers. Snow level 8600 feet lowering to 8000 feet after midnight . Partly cloudy, with a low around 31.
Tuesday
A chance of rain and snow showers. Some thunder is also possible. Snow level 7600 feet rising to 8300 feet in the afternoon. Sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Mammoth Hot Springs WY
 44.89°N 110.74°W (Elev. 7402 ft)
Last Update:
6:02 am MDT Apr 15, 2026
Forecast Valid:
6am MDT Apr 15, 2026-6pm MDT Apr 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation