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Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Hazardous Weather Conditions

Current conditions at

ROCK CREEK (RCEC1)

Lat: 37.55983°NLon: 118.67841°WElev: 7103.0ft.

NA

50°F

10°C

Humidity 50%
Wind Speed WNW 4 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Wind Chill49°F (9°C)
Last update 10 Apr 09:04 AM PDT
Extended Forecast for

13 Miles ESE Mammoth Lakes CA

Winter Storm Warning April 11, 02:00pm until April 12, 11:00pm
Click here for hazard details and duration
Winter Storm Warning

  • Today

    Today: A 30 percent chance of showers and thunderstorms after 11am. Snow level 8000 feet. Mostly sunny, with a high near 59. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 59 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of rain and snow showers before 2am. Snow level 7900 feet lowering to 6900 feet after midnight . Partly cloudy, with a low around 25. Southwest wind 10 to 15 mph becoming northwest 5 to 10 mph in the evening. Winds could gust as high as 25 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 25 °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 54. West wind 5 to 15 mph becoming south in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 20%.

    High: 54 °F

    Slight Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: A chance of rain and snow showers before 11pm, then snow showers likely. Mostly cloudy, with a low around 22. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    Low: 22 °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 40 percent chance of snow showers, mainly before 11pm. Mostly cloudy, with a low around 18. Southwest wind 5 to 10 mph becoming light west in the evening. Winds could gust as high as 20 mph. New snow accumulation of less than one inch possible.

    Low: 18 °F

    Chance Snow
    Showers

  • Monday

    Monday: A 20 percent chance of snow showers. Mostly sunny, with a high near 47.

    High: 47 °F

    Slight Chance
    Snow Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms after 11am. Snow level 8000 feet. Mostly sunny, with a high near 59. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Tonight
A chance of rain and snow showers before 2am. Snow level 7900 feet lowering to 6900 feet after midnight . Partly cloudy, with a low around 25. Southwest wind 10 to 15 mph becoming northwest 5 to 10 mph in the evening. Winds could gust 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 54. West 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 and snow showers before 11pm, then snow showers likely. Mostly cloudy, with a low around 22. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 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 40 percent chance of snow showers, mainly before 11pm. Mostly cloudy, with a low around 18. Southwest wind 5 to 10 mph becoming light west in the evening. Winds could gust as high as 20 mph. New snow accumulation of less than one inch possible.
Monday
A 20 percent chance of snow showers. Mostly sunny, with a high near 47.
Monday Night
Partly cloudy, with a low around 21.
Tuesday
Sunny, with a high near 54.
Tuesday Night
Mostly clear, with a low around 26.
Wednesday
Sunny, with a high near 59.
Wednesday Night
Partly cloudy, with a low around 30.
Thursday
Mostly sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
13 Miles ESE Mammoth Lakes CA
 37.58°N 118.73°W (Elev. 6857 ft)
Last Update:
4:31 am PDT Apr 10, 2026
Forecast Valid:
9am PDT Apr 10, 2026-6pm PDT Apr 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation