Severe Weather and Heavy Rainfall from the Midwest to the Ohio Valley; Mid-Summer Heat Continues

Severe thunderstorm and heavy rainfall threats will persist from the Midwest to Lower Great Lakes through Monday, shifting into the Ohio Valley and Central Appalachians Monday evening into Tuesday. Mid-summer heat will continue across much of the CONUS this week, with record highs possible well into the 100s across the south-central High Plains. Read More >

Current conditions at

Mammoth Yosemite Airport (KMMH)

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

Clear

72°F

22°C

Humidity 26%
Wind Speed N 0 MPH
Barometer 30.3 in (1026.08 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 09 Aug 09:55 PM PDT
Extended Forecast for

4 Miles ENE Mammoth Lakes CA

  • Tonight

    Tonight: Mostly clear, with a low around 54. Southwest wind around 5 mph.

    Low: 54 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 81. Southwest wind 5 to 10 mph.

    High: 81 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 52. Southwest wind 5 to 10 mph.

    Low: 52 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers after 11am.  Mostly sunny, with a high near 78. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 78 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers, mainly before 11pm.  Partly cloudy, with a low around 49. West wind around 5 mph becoming calm  in the evening.

    Low: 49 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm after 11am.  Partly sunny, with a high near 73. Calm wind becoming southwest around 5 mph in the afternoon.  Chance of precipitation is 70%.

    High: 73 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers.  Mostly cloudy, with a low around 45. Chance of precipitation is 50%.

    Low: 45 °F

    Chance
    Showers then
    Slight Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers, then showers likely and possibly a thunderstorm after 11am.  Partly sunny, with a high near 70.

    High: 70 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 11pm.  Partly cloudy, with a low around 41.

    Low: 41 °F

    Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 54. Southwest wind around 5 mph.
Monday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 81. Southwest wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 52. Southwest wind 5 to 10 mph.
Tuesday
A 30 percent chance of showers after 11am. Mostly sunny, with a high near 78. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
A 30 percent chance of showers, mainly before 11pm. Partly cloudy, with a low around 49. West wind around 5 mph becoming calm in the evening.
Wednesday
Showers likely and possibly a thunderstorm after 11am. Partly sunny, with a high near 73. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 70%.
Wednesday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers. Mostly cloudy, with a low around 45. Chance of precipitation is 50%.
Thursday
A slight chance of showers, then showers likely and possibly a thunderstorm after 11am. Partly sunny, with a high near 70.
Thursday Night
A chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 41.
Friday
A chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 70.
Friday Night
A slight chance of showers. Partly cloudy, with a low around 41.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 71.
Saturday Night
Partly cloudy, with a low around 42.
Sunday
Sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Mammoth Lakes CA
 37.67°N 118.92°W (Elev. 7694 ft)
4:30 pm PDT Aug 9, 2026
10pm PDT Aug 9, 2026-6pm PDT Aug 16, 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