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

75°F

24°C

Humidity 31%
Wind Speed SE 4 MPH
Barometer 30.23 in (1023.71 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 12 Aug 10:55 AM PDT
Extended Forecast for

6 Miles ESE 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 before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm.  Mostly cloudy, with a high near 76. Southwest wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%.

    High: 76 °F

    Showers
    Likely

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly between 2am and 5am.  Mostly cloudy, with a low around 43. West wind 5 to 10 mph becoming light southwest  in the evening. Winds could gust as high as 20 mph.

    Low: 43 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then a chance of showers and thunderstorms after 2pm.  Mostly cloudy, then gradually becoming sunny, with a high near 73. Breezy, with a southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.  Chance of precipitation is 70%.

    High: 73 °F

    Showers
    Likely and
    Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 39. Breezy, with a southwest wind 15 to 20 mph becoming light  in the evening. Winds could gust as high as 30 mph.

    Low: 39 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Friday

    Friday: Sunny, with a high near 74. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 74 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 39. Southwest wind 10 to 15 mph becoming light  after midnight.

    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 77.

    High: 77 °F

    Sunny

Detailed Forecast

Today
A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 76. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Tonight
A 40 percent chance of showers and thunderstorms, mainly between 2am and 5am. Mostly cloudy, with a low around 43. West wind 5 to 10 mph becoming light southwest in the evening. Winds could gust as high as 20 mph.
Thursday
A chance of showers and thunderstorms before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, then gradually becoming sunny, with a high near 73. Breezy, with a southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 70%.
Thursday Night
Mostly clear, with a low around 39. Breezy, with a southwest wind 15 to 20 mph becoming light in the evening. Winds could gust as high as 30 mph.
Friday
Sunny, with a high near 74. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Mostly clear, with a low around 39. Southwest wind 10 to 15 mph becoming light after midnight.
Saturday
Sunny, with a high near 75.
Saturday Night
Mostly clear, with a low around 40.
Sunday
Sunny, with a high near 77.
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 77.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ESE Mammoth Lakes CA
 37.63°N 118.85°W (Elev. 7152 ft)
4:30 am PDT Aug 12, 2026
11am 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