Heavy Rain and Flash Flooding in the West; Heat Expands in the Central U.S.

Monsoonal moisture will produce showers and thunderstorms with heavy rain over parts of the Southwest, Great Basin, and Central Rockies through Monday. Flash flooding is possible, especially in and around burn scars and in areas of steep terrain. Heat will persist across the Central U.S. early this week, spreading into the Ohio Valley and Mid-Atlantic later this week. 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 46%
Wind Speed N 0 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 30 Aug 11:55 PM PDT
Extended Forecast for

10 Miles ESE Mammoth Lakes CA

  • Overnight

    Overnight: Mostly clear, with a low around 44. South wind 5 to 10 mph.

    Low: 44 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 65. South wind 10 to 15 mph becoming east in the morning.

    High: 65 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 42. Southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 42 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 60. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 60 °F

    Sunny then
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 38. Windy, with a southwest wind 20 to 25 mph increasing to 30 to 35 mph after midnight. Winds could gust as high as 50 mph.

    Low: 38 °F

    Mostly Clear
    and Windy

  • Wednesday

    Wednesday: Sunny, with a high near 59. Windy, with a southwest wind 25 to 30 mph decreasing to 15 to 20 mph in the morning. Winds could gust as high as 45 mph.

    High: 59 °F

    Sunny and
    Windy then
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 44. South wind 5 to 10 mph.
Monday
Sunny, with a high near 65. South wind 10 to 15 mph becoming east in the morning.
Monday Night
Increasing clouds, with a low around 42. Southwest wind around 15 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 60. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday Night
Mostly clear, with a low around 38. Windy, with a southwest wind 20 to 25 mph increasing to 30 to 35 mph after midnight. Winds could gust as high as 50 mph.
Wednesday
Sunny, with a high near 59. Windy, with a southwest wind 25 to 30 mph decreasing to 15 to 20 mph in the morning. Winds could gust as high as 45 mph.
Wednesday Night
Mostly clear, with a low around 40.
Thursday
Sunny, with a high near 62.
Thursday Night
Mostly clear, with a low around 39.
Friday
Sunny, with a high near 62.
Friday Night
Mostly clear, with a low around 40.
Saturday
Sunny, with a high near 62.
Saturday Night
A slight chance of showers. Snow level 11400 feet. Partly cloudy, with a low around 43.
Sunday
A chance of showers. Snow level 11200 feet rising to 12200 feet in the afternoon. Partly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
10 Miles ESE Mammoth Lakes CA
 37.57°N 118.81°W (Elev. 10469 ft)
11:53 pm PDT Aug 30, 2026
12am PDT Aug 31, 2026-6pm PDT Sep 6, 2026
 
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Additional Resources

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Hourly Weather Forecast

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