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

Mammoth Yosemite Airport (KMMH)

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

Clear

59°F

15°C

Humidity 13%
Wind Speed NNW 9 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Last update 19 May 06:55 PM PDT
Extended Forecast for

8 Miles ESE Mammoth Lakes CA

  • Tonight

    Tonight: Mostly clear, with a low around 36. North wind around 5 mph becoming southwest in the evening.

    Low: 36 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 61. Calm wind becoming west around 5 mph in the afternoon.

    High: 61 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 42. West wind 5 to 10 mph becoming light  in the evening.

    Low: 42 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 66. Calm wind becoming north around 5 mph.

    High: 66 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 46. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.

    Low: 46 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 65. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 65 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 36. North wind around 5 mph becoming southwest in the evening.
Wednesday
Sunny, with a high near 61. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 42. West wind 5 to 10 mph becoming light in the evening.
Thursday
Sunny, with a high near 66. Calm wind becoming north around 5 mph.
Thursday Night
Partly cloudy, with a low around 46. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.
Friday
Mostly sunny, with a high near 65. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Mostly clear, with a low around 45.
Saturday
Sunny, with a high near 67.
Saturday Night
Mostly clear, with a low around 45.
Sunday
Sunny, with a high near 67.
Sunday Night
Mostly clear, with a low around 46.
Memorial Day
Sunny, with a high near 67.
Monday Night
Mostly clear, with a low around 44.
Tuesday
Sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles ESE Mammoth Lakes CA
 37.59°N 118.84°W (Elev. 8307 ft)
4:30 pm PDT May 19, 2026
7pm 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