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Heavy Rain and Flooding Concerns in Hawaii; Severe Weather this Weekend in the Plains; Pacific Storm in the West

A storm system near the Hawaiian Islands is expected to bring periods of heavy rainfall, strong winds, and isolated strong to severe thunderstorms through Friday. Several rounds of severe thunderstorms are forecast to impact parts of the Great Plains into the Midwest this weekend into next week. Moderate to heavy rainfall and high elevation snow is expected this weekend over California and Oregon. Read More >

Hazardous Weather Conditions

Current conditions at

Mammoth Yosemite Airport (KMMH)

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

Clear

50°F

10°C

Humidity 37%
Wind Speed SSW 14 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 09 Apr 10:55 PM PDT
Extended Forecast for

4 Miles E Mammoth Lakes CA

Winter Storm Watch April 10, 08:00pm until April 12, 11:00pm
Click here for hazard details and duration
Winter Storm Watch

  • Tonight

    Tonight: A 20 percent chance of showers before 2am. Snow level 8300 feet. Mostly cloudy, with a low around 32. West wind around 5 mph.

    Low: 32 °F

    Slight Chance
    Showers

  • Friday

    Friday: A chance of showers between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Patchy smoke after 4pm. Snow level 8000 feet. Increasing clouds, with a high near 55. West wind 5 to 15 mph becoming southwest in the morning. Winds could gust as high as 30 mph. Chance of precipitation is 50%.

    High: 55 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Rain showers likely before 8pm, then rain and snow showers likely between 8pm and 11pm, then a chance of snow showers after 11pm. Patchy smoke before 9pm. Mostly cloudy, with a low around 26. Southwest wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 26 °F

    Rain/Snow
    Likely then
    Chance Snow
    Showers

  • Saturday

    Saturday: A 40 percent chance of snow showers, mainly after 11am. Partly sunny, with a high near 49. Southwest wind 5 to 15 mph, with gusts as high as 30 mph. New snow accumulation of less than a half inch possible.

    High: 49 °F

    Chance Snow
    Showers

  • Saturday Night

    Saturday Night: Snow showers, mainly after 11pm. Low around 21. Breezy, with a south wind 10 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

    Low: 21 °F

    Snow Showers
    and Breezy

  • Sunday

    Sunday: Snow showers. Some thunder is also possible. High near 37. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 37 °F

    Snow Showers

  • Sunday Night

    Sunday Night: Snow showers likely, mainly before 11pm. Mostly cloudy, with a low around 16. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 16 °F

    Snow Showers
    Likely

  • Monday

    Monday: A chance of snow showers, mainly after 11am. Partly sunny, with a high near 43.

    High: 43 °F

    Chance Snow
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of showers before 2am. Snow level 8300 feet. Mostly cloudy, with a low around 32. West wind around 5 mph.
Friday
A chance of showers between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Patchy smoke after 4pm. Snow level 8000 feet. Increasing clouds, with a high near 55. West wind 5 to 15 mph becoming southwest in the morning. Winds could gust as high as 30 mph. Chance of precipitation is 50%.
Friday Night
Rain showers likely before 8pm, then rain and snow showers likely between 8pm and 11pm, then a chance of snow showers after 11pm. Patchy smoke before 9pm. Mostly cloudy, with a low around 26. Southwest wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Saturday
A 40 percent chance of snow showers, mainly after 11am. Partly sunny, with a high near 49. Southwest wind 5 to 15 mph, with gusts as high as 30 mph. New snow accumulation of less than a half inch possible.
Saturday Night
Snow showers, mainly after 11pm. Low around 21. Breezy, with a south wind 10 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.
Sunday
Snow showers. Some thunder is also possible. High near 37. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Sunday Night
Snow showers likely, mainly before 11pm. Mostly cloudy, with a low around 16. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Monday
A chance of snow showers, mainly after 11am. Partly sunny, with a high near 43.
Monday Night
Partly cloudy, with a low around 20.
Tuesday
Sunny, with a high near 50.
Tuesday Night
Mostly clear, with a low around 25.
Wednesday
Sunny, with a high near 56.
Wednesday Night
Partly cloudy, with a low around 29.
Thursday
Mostly sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Mammoth Lakes CA
 37.65°N 118.88°W (Elev. 7480 ft)
Last Update:
4:31 pm PDT Apr 9, 2026
Forecast Valid:
11pm PDT Apr 9, 2026-6pm PDT Apr 16, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation