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

Wet and Cool in the East this Memorial Day Weekend; Well Above Normal Temperatures in the Northern Plains

A wet Memorial Day weekend is in store for the East, with widespread rainfall of 1 to more than 2 inches expected from the Gulf Coast to southern New England. Well above normal temperatures are forecast to build across the northern Plains. Another round of heavy to excessive rainfall is expected to impact the western Gulf Coast this weekend with Flood Watches in effect. Read More >

Current conditions at

DW5868 Mammoth Lakes (D5868)

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

NA

66°F

19°C

Humidity 25%
Wind Speed W 10 MPH
Barometer 29.72 in (1006.44 mb)
Dewpoint 29°F (-2°C)
Visibility NA
Last update 23 May 02:30 PM PDT
Extended Forecast for

Mammoth Lakes CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 70. Southwest wind around 10 mph, with gusts as high as 25 mph.

    High: 70 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 45. Southwest wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 25 mph.

    Low: 45 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 2pm. Snow level 10700 feet rising to 11400 feet. Mostly sunny, with a high near 69. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 40%.

    High: 69 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before 8pm. Partly cloudy, with a low around 44. West wind around 5 mph becoming calm in the evening.

    Low: 44 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Memorial Day

    Memorial Day: A 20 percent chance of showers after 11am. Snow level 10600 feet rising to 11200 feet in the afternoon. Sunny, with a high near 69. Calm wind becoming southwest around 5 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 69 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 42. Southwest wind around 10 mph, with gusts as high as 30 mph.

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 33. Breezy.

    Low: 33 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Wednesday

    Wednesday: Snow showers likely, mainly after 11am. Some thunder is also possible. Partly sunny, with a high near 47.

    High: 47 °F

    Snow Showers
    Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 70. Southwest wind around 10 mph, with gusts as high as 25 mph.
Tonight
Partly cloudy, with a low around 45. Southwest wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 25 mph.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Snow level 10700 feet rising to 11400 feet. Mostly sunny, with a high near 69. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 40%.
Sunday Night
A 20 percent chance of showers before 8pm. Partly cloudy, with a low around 44. West wind around 5 mph becoming calm in the evening.
Memorial Day
A 20 percent chance of showers after 11am. Snow level 10600 feet rising to 11200 feet in the afternoon. Sunny, with a high near 69. Calm wind becoming southwest around 5 mph in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 42. Southwest wind around 10 mph, with gusts as high as 30 mph.
Tuesday
Sunny, with a high near 63.
Tuesday Night
Mostly clear, with a low around 33. Breezy.
Wednesday
Snow showers likely, mainly after 11am. Some thunder is also possible. Partly sunny, with a high near 47.
Wednesday Night
A chance of snow showers, mainly before 11pm. Mostly cloudy, with a low around 29.
Thursday
A chance of snow showers. Some thunder is also possible. Partly sunny, with a high near 48.
Thursday Night
A slight chance of snow showers. Snow level 8400 feet. Partly cloudy, with a low around 32.
Friday
Sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mammoth Lakes CA
 37.64°N 118.97°W (Elev. 7913 ft)
Last Update:
11:30 am PDT May 23, 2026
Forecast Valid:
2pm PDT May 23, 2026-6pm PDT May 29, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation