Dangerous Heat in the Southwest; Severe Thunderstorms and Heavy Rain in the Northeast and Mid-Atlantic

Dangerous heat will persist across the Southwest U.S. through Friday with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week. Strong to severe thunderstorms may produce damaging wind, hail, a tornado or two, heavy rain and flash flooding across parts of the Mid-Atlantic and Northeast. Heavy rainfall threat continues across the Gulf Coast. Read More >

Current conditions at

Mammoth Yosemite Airport (KMMH)

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

Partly Cloudy

50°F

10°C

Humidity 57%
Wind Speed N 0 MPH
Barometer 30.34 in (1027.43 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 27 Aug 06:15 AM PDT
Extended Forecast for

9 Miles ESE Mammoth Lakes CA

  • Today

    Today: A 30 percent chance of showers, mainly after 2pm.  Snow level 12800 feet rising to 14100 feet in the afternoon. Partly sunny, with a high near 63. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 63 °F

    Chance
    Showers

  • Tonight

    Tonight: A 40 percent chance of showers, mainly between 2am and 5am.  Snow level 14100 feet. Mostly cloudy, with a low around 44. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 44 °F

    Chance
    Showers and
    Breezy

  • Friday

    Friday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm.  Snow level 14100 feet. Mostly cloudy, with a high near 56. Windy, with a southwest wind 20 to 30 mph, with gusts as high as 45 mph.  Chance of precipitation is 70%.

    High: 56 °F

    Showers
    Likely and
    Windy

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 11pm, then a slight chance of showers.  Snow level 14000 feet lowering to 13100 feet after midnight . Mostly cloudy, then gradually becoming mostly clear, with a low around 40. Windy, with a southwest wind 25 to 30 mph, with gusts as high as 45 mph.  Chance of precipitation is 60%.

    Low: 40 °F

    Windy.
    Showers
    Likely then
    Slight Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers after 11am.  Snow level 12800 feet. Mostly sunny, with a high near 57. Breezy, with a southwest wind 20 to 25 mph, with gusts as high as 35 mph.

    High: 57 °F

    Slight Chance
    Showers and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 37. Breezy, with a west wind 20 to 25 mph, with gusts as high as 40 mph.

    Low: 37 °F

    Mostly Clear
    and Breezy

  • Sunday

    Sunday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

Detailed Forecast

Today
A 30 percent chance of showers, mainly after 2pm. Snow level 12800 feet rising to 14100 feet in the afternoon. Partly sunny, with a high near 63. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
A 40 percent chance of showers, mainly between 2am and 5am. Snow level 14100 feet. Mostly cloudy, with a low around 44. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.
Friday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Snow level 14100 feet. Mostly cloudy, with a high near 56. Windy, with a southwest wind 20 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 70%.
Friday Night
Showers likely and possibly a thunderstorm before 11pm, then a slight chance of showers. Snow level 14000 feet lowering to 13100 feet after midnight . Mostly cloudy, then gradually becoming mostly clear, with a low around 40. Windy, with a southwest wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 60%.
Saturday
A 20 percent chance of showers after 11am. Snow level 12800 feet. Mostly sunny, with a high near 57. Breezy, with a southwest wind 20 to 25 mph, with gusts as high as 35 mph.
Saturday Night
Mostly clear, with a low around 37. Breezy, with a west wind 20 to 25 mph, with gusts as high as 40 mph.
Sunday
Sunny, with a high near 58.
Sunday Night
Mostly clear, with a low around 36.
Monday
Sunny, with a high near 57.
Monday Night
Mostly clear, with a low around 33. Breezy.
Tuesday
Sunny, with a high near 55.
Tuesday Night
Mostly clear, with a low around 34.
Wednesday
A slight chance of rain and snow showers. Mostly sunny, with a high near 56.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles ESE Mammoth Lakes CA
 37.56°N 118.87°W (Elev. 11175 ft)
4:30 am PDT Aug 27, 2026
6am PDT Aug 27, 2026-6pm PDT Sep 2, 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