Hurricane Lowell to Impact Kauai; Heat Continues in the South-Central U.S.

Hurricane Lowell is forecast to pass west of Kauai today. Impacts such as high surf and heavy rain could impact all of the islands. A Hurricane Warning is in effect for Kauai, Niihau and the surrounding coastal waters. Sweltering heat remains across the South-Central Plains and Lower/Middle Mississippi Valley, as well as in the Southwest this week with limited nighttime relief. Read More >

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

NA

64°F

18°C

Humidity 21%
Wind Speed SSW 11 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility NA
Last update 08 Sep 02:15 PM MDT
Extended Forecast for

Mammoth WY

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms.  Partly sunny, with a high near 65. Breezy, with a west southwest wind 13 to 15 mph, with gusts as high as 23 mph.

    High: 65 °F

    Slight Chance
    T-storms and
    Breezy

  • Tonight

    Tonight: A 20 percent chance of showers before 8pm.  Mostly clear, with a low around 36. West northwest wind 8 to 13 mph becoming light and variable.

    Low: 36 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 74. Light and variable wind becoming west 8 to 13 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 74 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 43. West wind 7 to 10 mph becoming south after midnight.

    Low: 43 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 75. Southwest wind 8 to 14 mph, with gusts as high as 29 mph.

    High: 75 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 48. South southwest wind 8 to 14 mph, with gusts as high as 28 mph.

    Low: 48 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 71. South wind 7 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 29 mph.

    High: 71 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 65. Breezy, with a west southwest wind 13 to 15 mph, with gusts as high as 23 mph.
Tonight
A 20 percent chance of showers before 8pm. Mostly clear, with a low around 36. West northwest wind 8 to 13 mph becoming light and variable.
Wednesday
Sunny, with a high near 74. Light and variable wind becoming west 8 to 13 mph in the afternoon. Winds could gust as high as 21 mph.
Wednesday Night
Mostly clear, with a low around 43. West wind 7 to 10 mph becoming south after midnight.
Thursday
Sunny, with a high near 75. Southwest wind 8 to 14 mph, with gusts as high as 29 mph.
Thursday Night
Mostly clear, with a low around 48. South southwest wind 8 to 14 mph, with gusts as high as 28 mph.
Friday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 71. South wind 7 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 29 mph.
Friday Night
Partly cloudy, with a low around 41.
Saturday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 70.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 43.
Sunday
Showers and thunderstorms likely. Partly sunny, with a high near 58.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 38.
Monday
Mostly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
Mammoth WY
 44.98°N 110.69°W (Elev. 5745 ft)
2:02 pm MDT Sep 8, 2026
3pm MDT Sep 8, 2026-6pm MDT Sep 14, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database