Heavy Rainfall and Flooding Threats in the Midwest and Ohio Valley; Heat Continues in the Plains and Southeast

An active pattern will continue to bring heavy to excessive rainfall and flash flooding threats to the Midwest and Ohio Valley over the next couple of days. Dangerous heat continues across the central/southern Plains and Southeast U.S. into next week. There is potential for record-tying/breaking temperatures with many areas forecast to see their hottest temperatures so far this year. Read More >

Current conditions at

Mammoth Yosemite Airport (KMMH)

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

Clear

63°F

17°C

Humidity 51%
Wind Speed N 0 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 13 Aug 10:55 AM PDT
Extended Forecast for

11 Miles SE Mammoth Lakes CA

Flood Watch August 13, 11:25am until August 13, 09:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch August 13, 11:25am until August 13, 09:00pm

    NOW until 9:00pm Thu

    Flood Watch

  • Today

    High: 50 °F

    Showers
    Likely and
    Breezy

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 8pm.  Snow level 12600 feet lowering to 11600 feet after midnight . Mostly clear, with a low around 35. South wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 35 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 51. South wind 10 to 15 mph.

    High: 51 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 36. Southwest wind 5 to 15 mph.

    Low: 36 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 53. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 53 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 37. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 37 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

Detailed Forecast

Today
Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms, mainly between 2pm and 5pm. Snow level 13000 feet. Partly sunny, with a high near 50. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Tonight
A 20 percent chance of showers and thunderstorms before 8pm. Snow level 12600 feet lowering to 11600 feet after midnight . Mostly clear, with a low around 35. South wind 10 to 15 mph, with gusts as high as 25 mph.
Friday
Sunny, with a high near 51. South wind 10 to 15 mph.
Friday Night
Mostly clear, with a low around 36. Southwest wind 5 to 15 mph.
Saturday
Sunny, with a high near 53. South wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 37. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 54.
Sunday Night
Partly cloudy, with a low around 39.
Monday
Mostly sunny, with a high near 56.
Monday Night
Partly cloudy, with a low around 40.
Tuesday
Mostly sunny, with a high near 56.
Tuesday Night
Partly cloudy, with a low around 40.
Wednesday
Mostly sunny, with a high near 56.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles SE Mammoth Lakes CA
 37.5°N 118.85°W (Elev. 11572 ft)
4:30 am PDT Aug 13, 2026
11am PDT Aug 13, 2026-6pm PDT Aug 19, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database