Severe Weather and Heavy Rainfall from the Midwest to the Ohio Valley; Mid-Summer Heat Continues

Severe thunderstorm and heavy rainfall threats will persist from the Midwest to Lower Great Lakes through Monday, shifting into the Ohio Valley and Central Appalachians Monday evening into Tuesday. Mid-summer heat will continue across much of the CONUS this week, with record highs possible well into the 100s across the south-central High Plains. Read More >

Current conditions at

DW5868 Mammoth Lakes (D5868)

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

NA

80°F

27°C

Humidity 21%
Wind Speed W 5 MPH
Barometer 29.59 in (1002.03 mb)
Dewpoint 37°F (3°C)
Visibility NA
Heat Index79°F (26°C)
Last update 09 Aug 05:15 PM PDT
Extended Forecast for

Mammoth Lakes CA

  • Tonight

    Tonight: Mostly clear, with a low around 61. Southwest wind 5 to 15 mph, with gusts as high as 30 mph.

    Low: 61 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 77. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 77 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 58. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 58 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers after 11am.  Mostly sunny, with a high near 74. Calm wind becoming southwest around 5 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 74 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers, mainly before 11pm.  Partly cloudy, with a low around 55. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.

    Low: 55 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm after 11am.  Partly sunny, with a high near 69. Calm wind becoming southwest around 5 mph in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 60%.

    High: 69 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers.  Mostly cloudy, with a low around 52. Chance of precipitation is 40%.

    Low: 52 °F

    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 11am.  Partly sunny, with a high near 66.

    High: 66 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 11pm.  Partly cloudy, with a low around 48.

    Low: 48 °F

    Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 61. Southwest wind 5 to 15 mph, with gusts as high as 30 mph.
Monday
Mostly sunny, with a high near 77. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 58. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Tuesday
A 30 percent chance of showers after 11am. Mostly sunny, with a high near 74. Calm wind becoming southwest around 5 mph in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
A 30 percent chance of showers, mainly before 11pm. Partly cloudy, with a low around 55. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.
Wednesday
Showers likely and possibly a thunderstorm after 11am. Partly sunny, with a high near 69. Calm wind becoming southwest around 5 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%.
Wednesday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers. Mostly cloudy, with a low around 52. Chance of precipitation is 40%.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 66.
Thursday Night
A chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 48.
Friday
A chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 66.
Friday Night
A slight chance of showers. Partly cloudy, with a low around 48.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 67.
Saturday Night
Partly cloudy, with a low around 49.
Sunday
Mostly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
Mammoth Lakes CA
 37.62°N 118.96°W (Elev. 8930 ft)
4:30 pm PDT Aug 9, 2026
5pm PDT Aug 9, 2026-6pm PDT Aug 16, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database