Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Current conditions at

DW5868 Mammoth Lakes (D5868)

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

NA

26°F

-3°C

Humidity 63%
Wind Speed W 0 MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 15°F (-9°C)
Visibility NA
Last update 18 Apr 05:00 AM PDT
Extended Forecast for

Mammoth Lakes CA

  • Today

    Today: Mostly sunny, with a high near 49. South wind 5 to 10 mph becoming northeast in the morning. Winds could gust as high as 25 mph.

    High: 49 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 32. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 32 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 50. Southwest wind 5 to 15 mph, with gusts as high as 35 mph.

    High: 50 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 33. Southwest wind 10 to 15 mph, with gusts as high as 35 mph.

    Low: 33 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 51. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 45 mph.

    High: 51 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly clear, with a low around 32. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 50 mph.

    Low: 32 °F

    Mostly Clear
    and Breezy
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Snow showers likely, mainly after 11am. Some thunder is also possible.  Mostly cloudy, with a high near 37. Breezy.  Chance of precipitation is 70%. New snow accumulation of 3 to 5 inches possible.

    High: 37 °F

    Snow Showers
    Likely and
    Breezy

  • Tuesday Night

    Tuesday Night: Snow showers likely, mainly before 11pm. The snow could be heavy at times. Some thunder is also possible.  Mostly cloudy, with a low around 22. Breezy.

    Low: 22 °F

    Heavy Snow
    and Breezy

  • Wednesday

    Wednesday: A chance of snow showers.  Partly sunny, with a high near 32.

    High: 32 °F

    Chance Snow
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 49. South wind 5 to 10 mph becoming northeast in the morning. Winds could gust as high as 25 mph.
Tonight
Mostly cloudy, with a low around 32. South wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 50. Southwest wind 5 to 15 mph, with gusts as high as 35 mph.
Sunday Night
Partly cloudy, with a low around 33. Southwest wind 10 to 15 mph, with gusts as high as 35 mph.
Monday
Sunny, with a high near 51. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 45 mph.
Monday Night
Mostly clear, with a low around 32. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 50 mph.
Tuesday
Snow showers likely, mainly after 11am. Some thunder is also possible. Mostly cloudy, with a high near 37. Breezy. Chance of precipitation is 70%. New snow accumulation of 3 to 5 inches possible.
Tuesday Night
Snow showers likely, mainly before 11pm. The snow could be heavy at times. Some thunder is also possible. Mostly cloudy, with a low around 22. Breezy.
Wednesday
A chance of snow showers. Partly sunny, with a high near 32.
Wednesday Night
Partly cloudy, with a low around 19.
Thursday
Sunny, with a high near 40.
Thursday Night
Mostly clear, with a low around 23.
Friday
Sunny, with a high near 43.
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ABOUT THIS FORECAST

 
Point Forecast:
Mammoth Lakes CA
 37.61°N 118.99°W (Elev. 9137 ft)
4:30 am PDT Apr 18, 2026
5am PDT Apr 18, 2026-6pm PDT Apr 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database