National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Critical Fire Weather in the Southern Plains; Severe Storms in the Ohio Valley

Strong winds and low humidity will create elevated to critical fire weather conditions across the Southern Plains on Thursday. Strong to severe thunderstorms are forecast in the Ohio Valley late Thursday into Friday morning, with the strongest storms capable of producing very large hail, damaging winds, and a few tornadoes. Read More >

Hazardous Weather Conditions

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

NA

40°F

4°C

Humidity 72%
Wind Speed NNW 0 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 26 Mar 02:15 AM MDT
Extended Forecast for

Mammoth WY

  • Overnight

    Overnight: A chance of rain showers before 5am, then a chance of rain and snow showers. Mostly cloudy, with a low around 37. West wind 6 to 8 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 37 °F

    Chance
    Rain/Snow

  • Thursday

    Thursday: A slight chance of rain and snow showers before 8am, then a slight chance of snow showers between 8am and 9am. Partly sunny, then gradually becoming sunny, with a high near 45. West northwest wind 8 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 45 °F

    Slight Chance
    Rain/Snow
    then Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 24. West northwest wind 8 to 13 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.

    Low: 24 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 53. Light south wind becoming southwest 5 to 9 mph in the morning.

    High: 53 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 34. South southeast wind around 7 mph.

    Low: 34 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 64. South southeast wind 6 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 23 mph.

    High: 64 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 37. South wind 5 to 10 mph, with gusts as high as 23 mph.

    Low: 37 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A chance of rain showers before 5am, then a chance of rain and snow showers. Mostly cloudy, with a low around 37. West wind 6 to 8 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Thursday
A slight chance of rain and snow showers before 8am, then a slight chance of snow showers between 8am and 9am. Partly sunny, then gradually becoming sunny, with a high near 45. West northwest wind 8 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Thursday Night
Clear, with a low around 24. West northwest wind 8 to 13 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.
Friday
Sunny, with a high near 53. Light south wind becoming southwest 5 to 9 mph in the morning.
Friday Night
Partly cloudy, with a low around 34. South southeast wind around 7 mph.
Saturday
Mostly sunny, with a high near 64. South southeast wind 6 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 23 mph.
Saturday Night
Partly cloudy, with a low around 37. South wind 5 to 10 mph, with gusts as high as 23 mph.
Sunday
Mostly sunny, with a high near 64.
Sunday Night
Mostly cloudy, with a low around 40.
Monday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 63. Breezy.
Monday Night
A chance of showers. Mostly cloudy, with a low around 40.
Tuesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 52.
Tuesday Night
A chance of rain and snow showers. Snow level 7000 feet lowering to 6200 feet after midnight . Mostly cloudy, with a low around 35.
Wednesday
Rain and snow showers likely. Snow level 6000 feet rising to 6500 feet in the afternoon. Mostly cloudy, with a high near 48.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mammoth WY
 44.98°N 110.69°W (Elev. 5745 ft)
Last Update:
2:06 am MDT Mar 26, 2026
Forecast Valid:
2am MDT Mar 26, 2026-6pm MDT Apr 1, 2026
 
Forecast Discussion
 
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Additional Resources

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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