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

46°F

8°C

Humidity 52%
Wind Speed N 0 MPH
Barometer 30.25 in (1024.38 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 21 Mar 11:15 PM PDT
Extended Forecast for

5 Miles ESE Mammoth Lakes CA

  • Tonight

    Tonight: Mostly clear, with a low around 36. Southwest wind around 10 mph.

    Low: 36 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 54. Southwest wind around 10 mph.

    High: 54 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 38. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 35 mph.

    Low: 38 °F

    Partly Cloudy
    and Breezy

  • Monday

    Monday: Mostly sunny, with a high near 55. Breezy, with a southwest wind 20 to 25 mph, with gusts as high as 35 mph.

    High: 55 °F

    Mostly Sunny
    and Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 38. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 38 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 59. West wind around 15 mph.

    High: 59 °F

    Sunny

  • Tuesday Night

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

    Low: 39 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 57. Breezy.

    High: 57 °F

    Sunny then
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 36. Breezy.

    Low: 36 °F

    Mostly Clear
    and Breezy
    then Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 36. Southwest wind around 10 mph.
Sunday
Sunny, with a high near 54. Southwest wind around 10 mph.
Sunday Night
Partly cloudy, with a low around 38. Breezy, with a southwest wind 15 to 25 mph, with gusts as high as 35 mph.
Monday
Mostly sunny, with a high near 55. 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, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday
Sunny, with a high near 59. West wind around 15 mph.
Tuesday Night
Mostly clear, with a low around 39.
Wednesday
Sunny, with a high near 57. Breezy.
Wednesday Night
Mostly clear, with a low around 36. Breezy.
Thursday
Mostly sunny, with a high near 53.
Thursday Night
Partly cloudy, with a low around 33. Breezy.
Friday
Mostly sunny, with a high near 54. Breezy.
Friday Night
Mostly cloudy, with a low around 35. Breezy.
Saturday
Mostly sunny, with a high near 53. Breezy.
Basemap Options
Click map to change the forecast location
Loading map...
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:
11:20 pm PDT Mar 21, 2026
Forecast Valid:
11pm PDT Mar 21, 2026-6pm PDT Mar 28, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation