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.

Overcast

37°F

3°C

Humidity 51%
Wind Speed N 0 MPH
Barometer 29.83 in (1010.16 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 12 Oct 03:15 AM PDT
Extended Forecast for

6 Miles ESE Mammoth Lakes CA

  • Overnight

    Overnight: Mostly clear, with a low around 27. South wind around 15 mph.

    Low: 27 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: A 20 percent chance of snow showers after 2pm.  Mostly sunny, with a high near 32. South wind 10 to 15 mph becoming northwest in the morning.

    High: 32 °F

    Mostly Sunny
    then Slight
    Chance Snow
    Showers

  • Monday Night

    Monday Night: A 30 percent chance of snow showers, mainly before 11pm.  Partly cloudy, with a low around 23. West wind 10 to 15 mph.  New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Chance Snow
    Showers

  • Tuesday

    Tuesday: Sunny, with a high near 34. Breezy, with a north wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 34 °F

    Mostly Sunny
    and Breezy
    then Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 26. Blustery, with a north wind 15 to 20 mph becoming west in the evening. Winds could gust as high as 30 mph.

    Low: 26 °F

    Clear and
    Blustery then
    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 31.

    Low: 31 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 46. Breezy.

    High: 46 °F

    Sunny and
    Breezy then
    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 32. Breezy.

    Low: 32 °F

    Clear and
    Breezy

Detailed Forecast

Overnight
Mostly clear, with a low around 27. South wind around 15 mph.
Columbus Day
A 20 percent chance of snow showers after 2pm. Mostly sunny, with a high near 32. South wind 10 to 15 mph becoming northwest in the morning.
Monday Night
A 30 percent chance of snow showers, mainly before 11pm. Partly cloudy, with a low around 23. West wind 10 to 15 mph. New snow accumulation of less than a half inch possible.
Tuesday
Sunny, with a high near 34. Breezy, with a north wind 15 to 20 mph, with gusts as high as 35 mph.
Tuesday Night
Clear, with a low around 26. Blustery, with a north wind 15 to 20 mph becoming west in the evening. Winds could gust as high as 30 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 31.
Thursday
Sunny, with a high near 46. Breezy.
Thursday Night
Clear, with a low around 32. Breezy.
Friday
Sunny, with a high near 48. Breezy.
Friday Night
Clear, with a low around 33.
Saturday
Sunny, with a high near 49.
Saturday Night
Clear, with a low around 34.
Sunday
Sunny, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ESE Mammoth Lakes CA
 37.58°N 118.9°W (Elev. 10617 ft)
11:30 pm PDT Oct 11, 2026
3am PDT Oct 12, 2026-6pm PDT Oct 18, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database