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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 SW 18 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 09 Apr 11:35 PM PDT
Extended Forecast for

12 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: Patchy smoke before midnight. Mostly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Patchy Smoke

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 11am. Snow level 8000 feet. Mostly sunny, with a high near 60. Light and variable wind becoming southwest 10 to 15 mph in the morning. Winds could gust as high as 25 mph.

    High: 60 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of rain and snow showers before 2am. Patchy smoke between 9pm and 10pm. Snow level 7900 feet lowering to 6800 feet after midnight . Partly cloudy, with a low around 23. Northwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 23 °F

    Chance
    Rain/Snow

  • Saturday

    Saturday: A slight chance of snow showers before 11am, then a slight chance of rain and snow showers between 11am and 2pm, then a slight chance of rain showers after 2pm. Mostly sunny, with a high near 55. North wind 5 to 15 mph becoming south in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 20%.

    High: 55 °F

    Slight Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: A chance of rain showers before 8pm, then a chance of rain and snow showers between 8pm and 11pm, then snow showers likely after 11pm. Mostly cloudy, with a low around 21. South wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    Low: 21 °F

    Rain/Snow
    Likely then
    Snow Showers
    Likely

  • Sunday

    Sunday: Snow showers. High near 43. Southwest wind 5 to 15 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    High: 43 °F

    Snow Showers

  • Sunday Night

    Sunday Night: A 50 percent chance of snow showers, mainly before 11pm. Mostly cloudy, with a low around 15. New snow accumulation of less than a half inch possible.

    Low: 15 °F

    Chance Snow
    Showers then
    Slight Chance
    Snow Showers

  • Monday

    Monday: A chance of snow showers, mainly after 11am. Mostly sunny, with a high near 47.

    High: 47 °F

    Chance Snow
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy smoke before midnight. Mostly cloudy, with a low around 29. Calm wind.
Friday
A 30 percent chance of showers and thunderstorms after 11am. Snow level 8000 feet. Mostly sunny, with a high near 60. Light and variable wind becoming southwest 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Friday Night
A chance of rain and snow showers before 2am. Patchy smoke between 9pm and 10pm. Snow level 7900 feet lowering to 6800 feet after midnight . Partly cloudy, with a low around 23. Northwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Saturday
A slight chance of snow showers before 11am, then a slight chance of rain and snow showers between 11am and 2pm, then a slight chance of rain showers after 2pm. Mostly sunny, with a high near 55. North wind 5 to 15 mph becoming south in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 20%.
Saturday Night
A chance of rain showers before 8pm, then a chance of rain and snow showers between 8pm and 11pm, then snow showers likely after 11pm. Mostly cloudy, with a low around 21. South wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Sunday
Snow showers. High near 43. Southwest wind 5 to 15 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Sunday Night
A 50 percent chance of snow showers, mainly before 11pm. Mostly cloudy, with a low around 15. New snow accumulation of less than a half inch possible.
Monday
A chance of snow showers, mainly after 11am. Mostly sunny, with a high near 47.
Monday Night
Partly cloudy, with a low around 18.
Tuesday
Sunny, with a high near 54.
Tuesday Night
Mostly clear, with a low around 23.
Wednesday
Sunny, with a high near 61.
Wednesday Night
Partly cloudy, with a low around 27.
Thursday
Mostly sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
12 Miles E Mammoth Lakes CA
 37.65°N 118.74°W (Elev. 6778 ft)
Last Update:
11:30 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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Chance of Precipitation