Record Heat Remains in Place This Week; Severe Thunderstorms Possible Thursday

Record warmth will persist across portions of California, the Southwest U.S., the central Great Basin and return back to areas of the central/southern Plains and mid-lower Mississippi Valley this week. Over 200 new record high temperatures are forecast. Severe thunderstorms are being outlooked on Thursday over the Midwest. Read More >

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

NA

38°F

3°C

Humidity 49%
Wind Speed S 3 MPH
Barometer NA
Dewpoint 20°F (-7°C)
Visibility NA
Last update 23 Mar 09:15 AM MDT
Extended Forecast for

Mammoth WY

  • Today

    Today: Partly sunny, with a high near 59. Southeast wind 5 to 7 mph becoming southwest in the afternoon.

    High: 59 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 40. South southwest wind around 7 mph.

    Low: 40 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 59. South southwest wind 6 to 11 mph, with gusts as high as 26 mph.

    High: 59 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 45. South wind 9 to 11 mph, with gusts as high as 26 mph.

    Low: 45 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 64. Breezy, with a southwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 38 mph.

    High: 64 °F

    Mostly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after midnight.  Mostly cloudy, with a low around 37. Breezy, with a west southwest wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 34 mph.

    Low: 37 °F

    Mostly Cloudy
    and Breezy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: A chance of rain and snow showers before noon, then a chance of snow showers.  Mostly sunny, with a high near 53. West northwest wind 7 to 14 mph, with gusts as high as 30 mph.  Chance of precipitation is 40%.

    High: 53 °F

    Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 59. Southeast wind 5 to 7 mph becoming southwest in the afternoon.
Tonight
Mostly cloudy, with a low around 40. South southwest wind around 7 mph.
Tuesday
Mostly cloudy, with a high near 59. South southwest wind 6 to 11 mph, with gusts as high as 26 mph.
Tuesday Night
Partly cloudy, with a low around 45. South wind 9 to 11 mph, with gusts as high as 26 mph.
Wednesday
Mostly sunny, with a high near 64. Breezy, with a southwest wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 38 mph.
Wednesday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 37. Breezy, with a west southwest wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 34 mph.
Thursday
A chance of rain and snow showers before noon, then a chance of snow showers. Mostly sunny, with a high near 53. West northwest wind 7 to 14 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Thursday Night
Mostly clear, with a low around 28.
Friday
Sunny, with a high near 56.
Friday Night
Mostly clear, with a low around 34.
Saturday
Mostly sunny, with a high near 63.
Saturday Night
Mostly cloudy, with a low around 40.
Sunday
Mostly sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
Mammoth WY
 44.98°N 110.69°W (Elev. 5745 ft)
9:33 am MDT Mar 23, 2026
10am MDT Mar 23, 2026-6pm MDT Mar 29, 2026
 
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Additional Resources

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