Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

Mammoth Yosemite Airport (KMMH)

Lat: 37.6241°NLon: 118.8423°WElev: 7112.0ft.

Clear

72°F

22°C

Humidity 20%
Wind Speed NW 12 MPH
Barometer 30.27 in (1025.06 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 20 Mar 05:55 PM PDT
Extended Forecast for

8 Miles ESE Mammoth Lakes CA

  • Tonight

    Tonight: Partly cloudy, with a low around 37. Southwest wind around 5 mph.

    Low: 37 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 68. Breezy, with a light southwest wind increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 68 °F

    Mostly Cloudy
    then Partly
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 35. Southwest wind 10 to 15 mph becoming light  in the evening. Winds could gust as high as 30 mph.

    Low: 35 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 67. Calm wind.

    High: 67 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 35. Southwest wind around 5 mph becoming calm  in the evening.

    Low: 35 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 70. Calm wind becoming west around 5 mph in the afternoon.

    High: 70 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 41.

    Low: 41 °F

    Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 37. Southwest wind around 5 mph.
Saturday
Partly sunny, with a high near 68. Breezy, with a light southwest wind increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Saturday Night
Partly cloudy, with a low around 35. Southwest wind 10 to 15 mph becoming light in the evening. Winds could gust as high as 30 mph.
Sunday
Sunny, with a high near 67. Calm wind.
Sunday Night
Mostly clear, with a low around 35. Southwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 70. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 41.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Clear, with a low around 41.
Wednesday
Sunny, with a high near 72.
Wednesday Night
Mostly clear, with a low around 35.
Thursday
Sunny, with a high near 67.
Thursday Night
Partly cloudy, with a low around 34.
Friday
Mostly sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles ESE Mammoth Lakes CA
 37.61°N 118.82°W (Elev. 7201 ft)
4:20 pm PDT Mar 20, 2026
6pm PDT Mar 20, 2026-6pm PDT Mar 27, 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