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

37°F

3°C

Humidity 37%
Wind Speed W 11 MPH
Barometer 30.24 in (1024.04 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 19 May 11:55 PM PDT
Extended Forecast for

8 Miles ENE Mammoth Lakes CA

  • Overnight

    Overnight: Mostly clear, with a low around 32. West wind around 5 mph becoming calm.

    Low: 32 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 68. Calm wind becoming west around 5 mph in the afternoon.

    High: 68 °F

    Mostly 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 73. Calm wind becoming west around 5 mph in the afternoon.

    High: 73 °F

    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers before 11pm.  Partly cloudy, with a low around 41. West wind around 5 mph becoming calm  in the evening.

    Low: 41 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers after 11am.  Snow level 10100 feet rising to 11300 feet in the afternoon. Mostly sunny, with a high near 72. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 72 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Saturday Night

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

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 32. West wind around 5 mph becoming calm.
Wednesday
Mostly sunny, with a high near 68. Calm wind becoming west around 5 mph in the afternoon.
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 73. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 41. West wind around 5 mph becoming calm in the evening.
Friday
A 20 percent chance of showers after 11am. Snow level 10100 feet rising to 11300 feet in the afternoon. Mostly sunny, with a high near 72. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 41.
Saturday
Sunny, with a high near 74.
Saturday Night
Mostly clear, with a low around 43.
Sunday
Sunny, with a high near 74.
Sunday Night
Partly cloudy, with a low around 43.
Memorial Day
Sunny, with a high near 74.
Monday Night
Mostly clear, with a low around 41.
Tuesday
Sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles ENE Mammoth Lakes CA
 37.7°N 118.84°W (Elev. 7201 ft)
11:30 pm PDT May 19, 2026
12am PDT May 20, 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