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

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

32°F

0°C

Humidity 69%
Wind Speed NW 3 MPH
Barometer 30.43 in (1030.48 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 20 Mar 06:15 AM PDT
Extended Forecast for

5 Miles ESE Mammoth Lakes CA

  • Today

    Today: Sunny, with a high near 58. Southwest wind 10 to 15 mph.

    High: 58 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 37. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 35 mph.

    Low: 37 °F

    Mostly Clear
    and Breezy

  • Saturday

    Saturday: Partly sunny, with a high near 52. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 52 °F

    Partly Sunny
    and Breezy
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming clear, with a low around 35. West wind 10 to 15 mph, with gusts as high as 35 mph.

    Low: 35 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 53. West wind around 10 mph.

    High: 53 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 35. West wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 35 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 58. Southwest wind 10 to 15 mph.
Tonight
Mostly clear, with a low around 37. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 35 mph.
Saturday
Partly sunny, with a high near 52. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Mostly cloudy, then gradually becoming clear, with a low around 35. West wind 10 to 15 mph, with gusts as high as 35 mph.
Sunday
Sunny, with a high near 53. West wind around 10 mph.
Sunday Night
Mostly clear, with a low around 35. West wind 10 to 15 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 55.
Monday Night
Mostly clear, with a low around 39.
Tuesday
Sunny, with a high near 59.
Tuesday Night
Mostly clear, with a low around 39.
Wednesday
Sunny, with a high near 57.
Wednesday Night
Mostly clear, with a low around 35. Breezy.
Thursday
Sunny, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Mammoth Lakes CA
 37.58°N 118.9°W (Elev. 10617 ft)
Last Update:
4:20 am PDT Mar 20, 2026
Forecast Valid:
6am PDT Mar 20, 2026-6pm PDT Mar 26, 2026
 
Forecast Discussion
 
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Additional Resources

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