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

52°F

11°C

Humidity 32%
Wind Speed WNW 6 MPH
Barometer 30.27 in (1025.06 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 21 Mar 01:55 AM PDT
Extended Forecast for

6 Miles SE Mammoth Lakes CA

  • Overnight

    Overnight: Partly cloudy, with a low around 38. Breezy, with a southwest wind around 20 mph, with gusts as high as 30 mph.

    Low: 38 °F

    Partly Cloudy
    and Breezy

  • Saturday

    Saturday: Partly sunny, with a high near 53. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 53 °F

    Partly Sunny
    and Breezy
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 35. Southwest wind around 10 mph.

    Low: 35 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 55. West wind around 10 mph.

    High: 55 °F

    Sunny

  • Sunday Night

    Sunday Night: 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

  • Monday

    Monday: Sunny, with a high near 54. Breezy, with a southwest wind 20 to 25 mph, with gusts as high as 35 mph.

    High: 54 °F

    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 38. Breezy.

    Low: 38 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 56. Breezy.

    High: 56 °F

    Sunny then
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 37. Breezy.

    Low: 37 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 38. Breezy, with a southwest wind around 20 mph, with gusts as high as 30 mph.
Saturday
Partly sunny, with a high near 53. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Partly cloudy, with a low around 35. Southwest wind around 10 mph.
Sunday
Sunny, with a high near 55. West wind around 10 mph.
Sunday Night
Mostly clear, with a low around 37. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 35 mph.
Monday
Sunny, with a high near 54. Breezy, with a southwest wind 20 to 25 mph, with gusts as high as 35 mph.
Monday Night
Mostly clear, with a low around 38. Breezy.
Tuesday
Sunny, with a high near 56. Breezy.
Tuesday Night
Mostly clear, with a low around 37. Breezy.
Wednesday
Sunny, with a high near 56. Breezy.
Wednesday Night
Mostly clear, with a low around 36. Breezy.
Thursday
Sunny, with a high near 55. Breezy.
Thursday Night
Partly cloudy, with a low around 34. Breezy.
Friday
Sunny, with a high near 54. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SE Mammoth Lakes CA
 37.58°N 118.9°W (Elev. 10617 ft)
Last Update:
11:20 pm PDT Mar 20, 2026
Forecast Valid:
2am PDT Mar 21, 2026-6pm PDT Mar 27, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation