Severe Thunderstorms Possible from Ohio Valley to Mid-Atlantic; Excessive Heat in Central U.S.

Thunderstorms associated with wind damage and a risk for a tornado, will be possible from the Ohio Valley, central Appalachians and Mid-Atlantic states on Thursday. Dangerous heat will be possible from the Central Plains into the northern Gulf Coast though the weekend. Heavy rain in the Southwest U.S. could lead to flash flooding over the next several days as monsoonal conditions persist. Read More >

Current conditions at

Mammoth Yosemite Airport (KMMH)

Lat: 37.6241°NLon: 118.8423°WElev: 7112ft.

Mostly Cloudy

79°F

26°C

Humidity 24%
Wind Speed NNW 5 MPH
Barometer 30.32 in (1026.75 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 29 Jul 04:15 PM PDT
Extended Forecast for

10 Miles ESE Mammoth Lakes CA

Flash Flood Watch July 30, 12:00pm until July 30, 08:00pm
Click here for hazard details and duration
Flash Flood Watch
  • This
    Afternoon

    This Afternoon: Showers and possibly a thunderstorm before 5pm, then a chance of showers and thunderstorms after 5pm.  High near 81. Southwest wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 80%.

    Showers

    High: 81 °F

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly before 8pm.  Mostly cloudy, with a low around 53. West wind 5 to 10 mph becoming light and variable  in the evening.

    Chance
    T-storms then
    Partly Cloudy

    Low: 53 °F

  • Friday

    Friday: Showers and thunderstorms likely after 11am.  Partly sunny, with a high near 80. Light and variable wind becoming west 5 to 10 mph in the afternoon.  Chance of precipitation is 70%.

    T-storms
    Likely

    High: 80 °F

  • Friday
    Night

    Friday Night: Showers and thunderstorms likely, mainly before 11pm.  Cloudy, with a low around 54. West wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 60%.

    T-storms
    Likely then
    Chance
    T-storms

    Low: 54 °F

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 11am.  Mostly cloudy, with a high near 75. Calm wind becoming west around 5 mph in the afternoon.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Showers
    Likely

    High: 75 °F

  • Saturday
    Night

    Saturday Night: Showers likely and possibly a thunderstorm before 11pm, then a slight chance of showers and thunderstorms after 11pm.  Mostly cloudy, with a low around 50. West wind 5 to 10 mph becoming light northwest  in the evening.  Chance of precipitation is 60%.

    Showers
    Likely then
    Slight Chance
    T-storms

    Low: 50 °F

  • Sunday

    Sunday: A slight chance of showers, then a chance of showers and thunderstorms after 11am.  Mostly sunny, with a high near 77. Chance of precipitation is 40%.

    Chance
    T-storms

    High: 77 °F

  • Sunday
    Night

    Sunday Night: A slight chance of showers and thunderstorms before 11pm.  Mostly clear, with a low around 50.

    Slight Chance
    T-storms then
    Mostly Clear

    Low: 50 °F

  • Monday

    Monday: Sunny, with a high near 81.

    Sunny

    High: 81 °F

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm before 5pm, then a chance of showers and thunderstorms after 5pm. High near 81. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Tonight
A 50 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 53. West wind 5 to 10 mph becoming light and variable in the evening.
Friday
Showers and thunderstorms likely after 11am. Partly sunny, with a high near 80. Light and variable wind becoming west 5 to 10 mph in the afternoon. Chance of precipitation is 70%.
Friday Night
Showers and thunderstorms likely, mainly before 11pm. Cloudy, with a low around 54. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 75. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers likely and possibly a thunderstorm before 11pm, then a slight chance of showers and thunderstorms after 11pm. Mostly cloudy, with a low around 50. West wind 5 to 10 mph becoming light northwest in the evening. Chance of precipitation is 60%.
Sunday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 77. Chance of precipitation is 40%.
Sunday Night
A slight chance of showers and thunderstorms before 11pm. Mostly clear, with a low around 50.
Monday
Sunny, with a high near 81.
Monday Night
Clear, with a low around 51.
Tuesday
Sunny, with a high near 84.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
Sunny, with a high near 85.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
Sunny, with a high near 85.
Click Map For Forecast
Point Forecast:
10 Miles ESE Mammoth Lakes CA
 37.6°N 118.79°W (Elev. 6909 ft)
1:15 pm PDT Jul 29, 2021
4pm PDT Jul 29, 2021-6pm PDT Aug 5, 2021
 
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