Heavy Rainfall Threat Continues in the Southwest on Monday; Record Warmth in the Plains and Midwest

Remnant moisture from Tropical Storm Rachel will persist over portions of the Great Basin and Southwest on Monday, bringing a potential heavy to excessive rainfall risk. Well above average and potentially record breaking temperatures will develop across the Plains and Midwest early this week, spreading into the Lower Mississippi Valley and Southeast midweek. Read More >

Current conditions at

Mammoth Yosemite Airport (KMMH)

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

Mostly Cloudy

34°F

1°C

Humidity 59%
Wind Speed N 0 MPH
Barometer 29.84 in (1010.5 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 12 Oct 04:35 AM PDT
Extended Forecast for

12 Miles SE Mammoth Lakes CA

  • Columbus Day

    Columbus Day: A 30 percent chance of snow showers, mainly after 5pm.  Mostly sunny, with a high near 34. South wind 10 to 15 mph becoming west in the morning.  Little or no snow accumulation expected.

    High: 34 °F

    Mostly Sunny
    then Chance
    Snow Showers

  • Tonight

    Tonight: A 30 percent chance of snow showers, mainly before 8pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 16. West wind around 10 mph.  Little or no snow accumulation expected.

    Low: 16 °F

    Chance Snow
    Showers then
    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 35. Breezy, with a north wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 35 °F

    Mostly Sunny
    and Breezy
    then Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 21. North wind around 15 mph becoming west in the evening. Winds could gust as high as 25 mph.

    Low: 21 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 45. West wind 10 to 15 mph becoming north in the morning.

    High: 45 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 26. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 26 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 46.

    High: 46 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 27. Breezy.

    Low: 27 °F

    Clear and
    Breezy

  • Friday

    Friday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

Detailed Forecast

Columbus Day
A 30 percent chance of snow showers, mainly after 5pm. Mostly sunny, with a high near 34. South wind 10 to 15 mph becoming west in the morning. Little or no snow accumulation expected.
Tonight
A 30 percent chance of snow showers, mainly before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 16. West wind around 10 mph. Little or no snow accumulation expected.
Tuesday
Sunny, with a high near 35. Breezy, with a north wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday Night
Clear, with a low around 21. North wind around 15 mph becoming west in the evening. Winds could gust as high as 25 mph.
Wednesday
Sunny, with a high near 45. West wind 10 to 15 mph becoming north in the morning.
Wednesday Night
Clear, with a low around 26. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 46.
Thursday Night
Clear, with a low around 27. Breezy.
Friday
Sunny, with a high near 49.
Friday Night
Mostly clear, with a low around 28.
Saturday
Sunny, with a high near 50.
Saturday Night
Clear, with a low around 29.
Sunday
Sunny, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles SE Mammoth Lakes CA
 37.5°N 118.82°W (Elev. 10732 ft)
4:30 am PDT Oct 12, 2026
4am PDT Oct 12, 2026-6pm PDT Oct 18, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database