Severe Thunderstorms and Flooding from the Southern Plains to the Great Lakes; Record Heat in the East

Widely scattered severe thunderstorms may produce damaging winds, hail, and flash flooding from the southern Plains into the lower Great Lakes. Elevated to locally critical fire weather conditions will persist across portions of the Southwest and Southern High Plains due to gusty winds and dry conditions. An early-season heatwave will challenge temperature records across the eastern U.S.. Read More >

Current conditions at

DW5868 Mammoth Lakes (D5868)

Lat: 37.625°NLon: 118.98°WElev: 7973.0ft.

NA

55°F

13°C

Humidity 33%
Wind Speed ESE 2 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 26°F (-3°C)
Visibility NA
Last update 19 May 05:45 PM PDT
Extended Forecast for

Mammoth Lakes CA

  • Tonight

    Tonight: Mostly clear, with a low around 33. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 33 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 64. Calm wind becoming west around 5 mph.

    High: 64 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 38. West wind around 5 mph becoming calm  in the evening.

    Low: 38 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 69. Calm wind.

    High: 69 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 42. West wind around 5 mph becoming calm  in the evening.

    Low: 42 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 69. Calm wind becoming southwest around 5 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 69 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 33. Northwest wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 64. Calm wind becoming west around 5 mph.
Wednesday Night
Mostly clear, with a low around 38. West wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 69. Calm wind.
Thursday Night
Partly cloudy, with a low around 42. West wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 69. Calm wind becoming southwest around 5 mph in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Mostly clear, with a low around 42.
Saturday
Sunny, with a high near 71.
Saturday Night
Mostly clear, with a low around 43.
Sunday
Sunny, with a high near 71.
Sunday Night
Mostly clear, with a low around 43.
Memorial Day
Sunny, with a high near 69.
Monday Night
Mostly clear, with a low around 42.
Tuesday
Sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
Mammoth Lakes CA
 37.66°N 118.97°W (Elev. 8301 ft)
4:30 pm PDT May 19, 2026
6pm PDT May 19, 2026-6pm PDT May 26, 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