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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

53°F

12°C

Humidity 45%
Wind Speed W 5 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 22 Apr 02:15 AM MDT
Extended Forecast for

5 Miles SSW Mammoth Hot Springs WY

Winter Weather Advisory April 22, 12:00pm until April 23, 11:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Overnight

    Overnight: Mostly clear, with a low around 34. South wind around 10 mph.

    Low: 34 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of rain and snow showers before 10am, then snow showers. Some thunder is also possible. Steady temperature around 38. Breezy, with a southwest wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 43 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 38 °F

    Breezy.
    Chance
    Rain/Snow
    then Snow
    Showers

  • Wednesday Night

    Wednesday Night: Snow showers. Some thunder is also possible. Low around 28. Breezy, with a southwest wind 13 to 22 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 28 °F

    Snow Showers
    and Breezy

  • Thursday

    Thursday: Snow showers. Some thunder is also possible. High near 37. Southwest wind 11 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    High: 37 °F

    Snow Showers

  • Thursday Night

    Thursday Night: Snow showers, mainly before midnight. Low around 16. North northwest wind 6 to 11 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    Low: 16 °F

    Snow Showers
    then Chance
    Snow Showers

  • Friday

    Friday: Snow showers. Some thunder is also possible. High near 31. West southwest wind 6 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.

    High: 31 °F

    Snow Showers

  • Friday Night

    Friday Night: A 40 percent chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 14. Northwest wind 5 to 10 mph becoming east northeast after midnight. Winds could gust as high as 23 mph.

    Low: 14 °F

    Chance Snow
    Showers

  • Saturday

    Saturday: A 40 percent chance of snow showers. Mostly sunny, with a high near 37.

    High: 37 °F

    Chance Snow
    Showers

  • Saturday Night

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

    Low: 20 °F

    Chance Snow
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 34. South wind around 10 mph.
Wednesday
A slight chance of rain and snow showers before 10am, then snow showers. Some thunder is also possible. Steady temperature around 38. Breezy, with a southwest wind 10 to 15 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 43 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday Night
Snow showers. Some thunder is also possible. Low around 28. Breezy, with a southwest wind 13 to 22 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Thursday
Snow showers. Some thunder is also possible. High near 37. Southwest wind 11 to 13 mph becoming west northwest in the afternoon. Winds could gust as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Thursday Night
Snow showers, mainly before midnight. Low around 16. North northwest wind 6 to 11 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Friday
Snow showers. Some thunder is also possible. High near 31. West southwest wind 6 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.
Friday Night
A 40 percent chance of snow showers, mainly before midnight. Mostly cloudy, with a low around 14. Northwest wind 5 to 10 mph becoming east northeast after midnight. Winds could gust as high as 23 mph.
Saturday
A 40 percent chance of snow showers. Mostly sunny, with a high near 37.
Saturday Night
A 30 percent chance of snow showers. Mostly cloudy, with a low around 20.
Sunday
Snow showers likely, mainly after noon. Some thunder is also possible. Partly sunny, with a high near 38. Chance of precipitation is 60%.
Sunday Night
A chance of snow showers. Mostly cloudy, with a low around 22.
Monday
Snow showers likely. Some thunder is also possible. Partly sunny, with a high near 40.
Monday Night
A slight chance of snow showers. Mostly cloudy, with a low around 24.
Tuesday
A chance of snow showers. Some thunder is also possible. Mostly sunny, with a high near 44.
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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:
2:18 am MDT Apr 22, 2026
Forecast Valid:
3am MDT Apr 22, 2026-6pm MDT Apr 28, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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