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

Heat Builds in the West; Severe Thunderstorms and Heavy Rain in the Upper Midwest and Mid-Mississippi Valley; Extremely Critical Fire Weather in the Northwest on Saturday

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Severe thunderstorms and heavy rainfall are expected over parts of the Upper Midwest to mid-Mississippi Valley today. Critical to extremely critical fire weather conditions from the Northwest and the northern Great Basin on Saturday and Sunday. Read More >

Current conditions at

Mammoth Yosemite Airport (KMMH)

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

Clear

43°F

6°C

Humidity 45%
Wind Speed N 0 MPH
Barometer 30.39 in (1029.12 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 31 Jul 05:15 AM PDT
Extended Forecast for

4 Miles ENE Mammoth Lakes CA

  • Today

    Today: Sunny, with a high near 87. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 87 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 57. Southwest wind 5 to 10 mph becoming light west after midnight.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 88. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 88 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 57. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 57 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 86. Light southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 56. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 56 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 56.

    Low: 56 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 87. Calm wind becoming southwest around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 57. Southwest wind 5 to 10 mph becoming light west after midnight.
Saturday
Sunny, with a high near 88. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
Clear, with a low around 57. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 86. Light southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Clear, with a low around 56. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 87.
Monday Night
Clear, with a low around 56.
Tuesday
Sunny, with a high near 87.
Tuesday Night
Clear, with a low around 57.
Wednesday
Sunny, with a high near 85.
Wednesday Night
Clear, with a low around 56.
Thursday
Sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Mammoth Lakes CA
 37.67°N 118.92°W (Elev. 7694 ft)
Last Update:
4:30 am PDT Jul 31, 2026
Forecast Valid:
5am PDT Jul 31, 2026-6pm PDT Aug 6, 2026
 
Forecast Discussion
 
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