National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

DW5868 Mammoth Lakes (D5868)

Lat: 37.625°NLon: 118.98°WElev: 7973.0ft.

NA

70°F

21°C

Humidity 17%
Wind Speed WSW 3 MPH
Barometer 29.76 in (1007.79 mb)
Dewpoint 23°F (-5°C)
Visibility NA
Last update 30 Aug 12:30 PM PDT
Extended Forecast for

4 Miles SSE Mammoth Lakes CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 54. Southwest wind 10 to 15 mph.

    High: 54 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 37. Southwest wind 10 to 15 mph becoming southeast in the evening.

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 55. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 55 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Increasing clouds, with a low around 32. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 mph.

    Low: 32 °F

    Increasing
    Clouds and
    Breezy

  • Tuesday

    Tuesday: Sunny, with a high near 49. Breezy, with a southwest wind 20 to 25 mph, with gusts as high as 35 mph.

    High: 49 °F

    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Clear, with a low around 30. Windy, with a southwest wind 25 to 30 mph, with gusts as high as 45 mph.

    Low: 30 °F

    Clear and
    Windy

  • Wednesday

    Wednesday: Sunny, with a high near 48. Windy.

    High: 48 °F

    Sunny and
    Windy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 31. Breezy.

    Low: 31 °F

    Mostly Clear
    and Breezy

  • Thursday

    Thursday: Sunny, with a high near 51. Breezy.

    High: 51 °F

    Sunny and
    Breezy

Detailed Forecast

This Afternoon
Sunny, with a high near 54. Southwest wind 10 to 15 mph.
Tonight
Mostly clear, with a low around 37. Southwest wind 10 to 15 mph becoming southeast in the evening.
Monday
Sunny, with a high near 55. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.
Monday Night
Increasing clouds, with a low around 32. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 mph.
Tuesday
Sunny, with a high near 49. Breezy, with a southwest wind 20 to 25 mph, with gusts as high as 35 mph.
Tuesday Night
Clear, with a low around 30. Windy, with a southwest wind 25 to 30 mph, with gusts as high as 45 mph.
Wednesday
Sunny, with a high near 48. Windy.
Wednesday Night
Mostly clear, with a low around 31. Breezy.
Thursday
Sunny, with a high near 51. Breezy.
Thursday Night
Mostly clear, with a low around 33. Breezy.
Friday
Sunny, with a high near 52. Breezy.
Friday Night
Mostly clear, with a low around 34. Breezy.
Saturday
Sunny, with a high near 52. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Mammoth Lakes CA
 37.57°N 118.95°W (Elev. 11601 ft)
Last Update:
11:30 am PDT Aug 30, 2026
Forecast Valid:
12pm PDT Aug 30, 2026-6pm PDT Sep 5, 2026
 
Forecast Discussion
 
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