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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

28°F

-2°C

Humidity 67%
Wind Speed NNW 10 MPH
Barometer NA
Dewpoint 19°F (-7°C)
Visibility NA
Wind Chill19°F (-7°C)
Last update 23 Apr 08:15 PM MDT
Extended Forecast for

5 Miles SSW Mammoth Hot Springs WY

Winter Weather Advisory April 23, 09:14pm until April 23, 11:00pm
Click here for hazard details and duration
...
  •  
    Winter Weather Advisory April 23, 09:14pm until April 23, 11:00pm

    NOW until 11:00pm Thu

    Winter Weather Advisory

  • Tonight

    Low: 20 °F

    Chance Snow
    Showers

  • Friday

    Friday: A 50 percent chance of snow showers, mainly before 1pm. Some thunder is also possible. Partly sunny, with a high near 27. West southwest wind 6 to 11 mph becoming north northwest in the morning. New snow accumulation of less than a half inch possible.

    High: 27 °F

    Chance Snow
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 11. Northwest wind 5 to 9 mph becoming calm in the evening.

    Low: 11 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of snow showers. Mostly sunny, with a high near 37. Calm wind becoming southwest 5 to 8 mph in the morning. Winds could gust as high as 21 mph.

    High: 37 °F

    Slight Chance
    Snow Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of snow showers. Mostly cloudy, with a low around 21. West southwest wind 5 to 8 mph becoming east in the evening. Winds could gust as high as 20 mph.

    Low: 21 °F

    Slight Chance
    Snow Showers

  • Sunday

    Sunday: Snow showers likely. Some thunder is also possible. Partly sunny, with a high near 39. East wind 5 to 8 mph becoming west in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 70%.

    High: 39 °F

    Snow Showers
    Likely

  • Sunday Night

    Sunday Night: Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 22. North wind 3 to 7 mph. Chance of precipitation is 60%.

    Low: 22 °F

    Snow Showers
    Likely

  • Monday

    Monday: Snow showers, mainly after noon. Some thunder is also possible. High near 38. Chance of precipitation is 80%.

    High: 38 °F

    Chance Snow
    Showers then
    Snow Showers

Detailed Forecast

Tonight
A chance of snow showers before midnight, then a chance of snow showers after 1am. Mostly cloudy, with a low around 20. Northwest wind 5 to 7 mph becoming light and variable. Chance of precipitation is 40%. Total nighttime snow accumulation of less than one inch possible.
Friday
A 50 percent chance of snow showers, mainly before 1pm. Some thunder is also possible. Partly sunny, with a high near 27. West southwest wind 6 to 11 mph becoming north northwest in the morning. New snow accumulation of less than a half inch possible.
Friday Night
Mostly clear, with a low around 11. Northwest wind 5 to 9 mph becoming calm in the evening.
Saturday
A 20 percent chance of snow showers. Mostly sunny, with a high near 37. Calm wind becoming southwest 5 to 8 mph in the morning. Winds could gust as high as 21 mph.
Saturday Night
A 20 percent chance of snow showers. Mostly cloudy, with a low around 21. West southwest wind 5 to 8 mph becoming east in the evening. Winds could gust as high as 20 mph.
Sunday
Snow showers likely. Some thunder is also possible. Partly sunny, with a high near 39. East wind 5 to 8 mph becoming west in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 70%.
Sunday Night
Snow showers likely, mainly before midnight. Mostly cloudy, with a low around 22. North wind 3 to 7 mph. Chance of precipitation is 60%.
Monday
Snow showers, mainly after noon. Some thunder is also possible. High near 38. Chance of precipitation is 80%.
Monday Night
A 40 percent chance of snow showers before midnight. Partly cloudy, with a low around 22.
Tuesday
A 40 percent chance of snow showers, mainly after noon. Some thunder is also possible. Mostly sunny, with a high near 42.
Tuesday Night
A slight chance of snow showers. Mostly cloudy, with a low around 25.
Wednesday
A chance of snow showers. Some thunder is also possible. Mostly sunny, with a high near 46.
Wednesday Night
A slight chance of snow showers. Partly cloudy, with a low around 25.
Thursday
A chance of snow showers. Mostly sunny, with a high near 47.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Mammoth Hot Springs WY
 44.89°N 110.74°W (Elev. 7402 ft)
Last Update:
8:48 pm MDT Apr 23, 2026
Forecast Valid:
9pm MDT Apr 23, 2026-6pm MDT Apr 30, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation