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Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the 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 38%
Wind Speed SW 11 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Wind Chill46°F (8°C)
Last update 10 Apr 06:04 PM PDT
Extended Forecast for

16 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

  • Tonight

    Tonight: A chance of rain and snow showers, mainly before 11pm. Snow level 8000 feet lowering to 7000 feet after midnight . Partly cloudy, with a low around 26. Southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 26 °F

    Chance
    Rain/Snow

  • Saturday

    Saturday: A slight chance of rain and snow showers between 2pm and 5pm, then a slight chance of rain showers after 5pm. Sunny, with a high near 54. Northwest wind 5 to 15 mph becoming southeast in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 20%.

    High: 54 °F

    Sunny then
    Slight Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Snow showers likely, mainly after 11pm. Increasing clouds, with a low around 24. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    Low: 24 °F

    Snow Showers
    Likely

  • Sunday

    Sunday: Snow showers. Some thunder is also possible. High near 43. Southwest wind 5 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: 43 °F

    Snow Showers
    then Snow
    Showers
    Likely

  • Sunday Night

    Sunday Night: A 30 percent chance of snow showers before 11pm. Partly cloudy, with a low around 18. West wind 5 to 10 mph, with gusts as high as 20 mph. New snow accumulation of less than one inch possible.

    Low: 18 °F

    Chance Snow
    Showers then
    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of snow showers, mainly after 11am. Mostly sunny, with a high near 45. Northwest wind around 5 mph. Little or no snow accumulation expected.

    High: 45 °F

    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 53.

    High: 53 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of rain and snow showers, mainly before 11pm. Snow level 8000 feet lowering to 7000 feet after midnight . Partly cloudy, with a low around 26. Southwest 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 rain and snow showers between 2pm and 5pm, then a slight chance of rain showers after 5pm. Sunny, with a high near 54. Northwest wind 5 to 15 mph becoming southeast in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 20%.
Saturday Night
Snow showers likely, mainly after 11pm. Increasing clouds, with a low around 24. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Sunday
Snow showers. Some thunder is also possible. High near 43. Southwest wind 5 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
A 30 percent chance of snow showers before 11pm. Partly cloudy, with a low around 18. West wind 5 to 10 mph, with gusts as high as 20 mph. New snow accumulation of less than one inch possible.
Monday
A 30 percent chance of snow showers, mainly after 11am. Mostly sunny, with a high near 45. Northwest wind around 5 mph. Little or no snow accumulation expected.
Monday Night
Partly cloudy, with a low around 21.
Tuesday
Sunny, with a high near 53.
Tuesday Night
Mostly clear, with a low around 26.
Wednesday
Sunny, with a high near 57.
Wednesday Night
Partly cloudy, with a low around 29.
Thursday
Mostly sunny, with a high near 54.
Thursday Night
Mostly clear, with a low around 25.
Friday
Sunny, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
16 Miles ESE Mammoth Lakes CA
 37.56°N 118.69°W (Elev. 7001 ft)
Last Update:
4:31 pm PDT Apr 10, 2026
Forecast Valid:
6pm PDT Apr 10, 2026-6pm PDT Apr 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation