Severe Weather and Heavy Rainfall from the High Plains to the Ohio Valley; Heat Continuing in the Central Plains and Southeast

A stationary front will be the focus for daily showers and thunderstorms capable of widely scattered flash flooding and severe weather from the High Plains to the Ohio Valley. Monsoonal thunderstorms could cause local flash flooding across the Southwest and the Great Basin. Dangerous heat continues across the Central Plains and Southeast. Many areas will see their hottest temperatures of the year. Read More >

Current conditions at

Mammoth Yosemite Airport (KMMH)

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

Clear

54°F

12°C

Humidity 54%
Wind Speed N 0 MPH
Barometer 30.27 in (1025.06 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 12 Aug 04:15 AM PDT
Extended Forecast for

8 Miles ENE Mammoth Lakes CA

Flood Watch August 12, 02:00pm until August 13, 09:00pm
Click here for hazard details and duration
Flood Watch
  • Today

    Today: A chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm.  Mostly cloudy, with a high near 75. Calm wind becoming southwest around 5 mph in the afternoon.  Chance of precipitation is 60%.

    High: 75 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms, mainly between 2am and 5am.  Mostly cloudy, with a low around 43. West wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 60%.

    Low: 43 °F

    Showers
    Likely then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 11am.  Mostly cloudy, then gradually becoming sunny, with a high near 72. Light and variable wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.  Chance of precipitation is 70%.

    High: 72 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 39. Southwest wind 10 to 15 mph becoming light  in the evening. Winds could gust as high as 25 mph.

    Low: 39 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 73. Calm wind becoming south around 5 mph in the afternoon.

    High: 73 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 39. Southwest wind 5 to 10 mph becoming light  in the evening. Winds could gust as high as 20 mph.

    Low: 39 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

Detailed Forecast

Today
A chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 75. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%.
Tonight
Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms, mainly between 2am and 5am. Mostly cloudy, with a low around 43. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, then gradually becoming sunny, with a high near 72. Light and variable wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 70%.
Thursday Night
Mostly clear, with a low around 39. Southwest wind 10 to 15 mph becoming light in the evening. Winds could gust as high as 25 mph.
Friday
Sunny, with a high near 73. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 39. Southwest wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 20 mph.
Saturday
Sunny, with a high near 75.
Saturday Night
Mostly clear, with a low around 40.
Sunday
Sunny, with a high near 76.
Sunday Night
Partly cloudy, with a low around 42.
Monday
Sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 43.
Tuesday
Mostly sunny, with a high near 76.
Basemap Options
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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 Aug 11, 2026
4am PDT Aug 12, 2026-6pm PDT Aug 18, 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