National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

ROCK CREEK (RCEC1)

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

NA

61°F

16°C

Humidity 24%
Wind Speed SW 7 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility NA
Last update 09 Apr 06:04 PM PDT
Extended Forecast for

18 Miles W Chalfant 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 9pm. Mostly cloudy, with a low around 29. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 29 °F

    Patchy Smoke
    then Mostly
    Cloudy

  • Friday

    Friday: A 30 percent chance of snow showers, mainly after 2pm. Some thunder is also possible. Mostly sunny, with a high near 39. Breezy, with a south wind 15 to 25 mph, with gusts as high as 40 mph. Little or no snow accumulation expected.

    High: 39 °F

    Chance Snow
    Showers and
    Breezy

  • Friday Night

    Friday Night: A 40 percent chance of snow showers. Mostly cloudy, with a low around 24. Breezy, with a southwest wind 20 to 25 mph, with gusts as high as 40 mph. Little or no snow accumulation expected.

    Low: 24 °F

    Chance Snow
    Showers and
    Breezy

  • Saturday

    Saturday: A 20 percent chance of snow showers. Mostly sunny, with a high near 34. Windy, with a south wind 20 to 30 mph, with gusts as high as 40 mph.

    High: 34 °F

    Slight Chance
    Snow Showers
    and Windy

  • Saturday Night

    Saturday Night: Snow showers likely, mainly after 11pm. Mostly cloudy, with a low around 19. Windy, with a south wind 30 to 35 mph, with gusts as high as 55 mph. Chance of precipitation is 70%. New snow accumulation of 3 to 5 inches possible.

    Low: 19 °F

    Snow Showers
    Likely and
    Windy

  • Sunday

    Sunday: Snow showers. Some thunder is also possible. High near 23. Windy, with a southwest wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 23 °F

    Snow Showers
    and Windy

  • Sunday Night

    Sunday Night: A 40 percent chance of snow showers. Mostly cloudy, with a low around 16. New snow accumulation of less than one inch possible.

    Low: 16 °F

    Chance Snow
    Showers

  • Monday

    Monday: A chance of snow showers, mainly after 11am. Partly sunny, with a high near 28.

    High: 28 °F

    Chance Snow
    Showers

  • Monday Night

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

    Low: 20 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy smoke before 9pm. Mostly cloudy, with a low around 29. South wind around 15 mph, with gusts as high as 25 mph.
Friday
A 30 percent chance of snow showers, mainly after 2pm. Some thunder is also possible. Mostly sunny, with a high near 39. Breezy, with a south wind 15 to 25 mph, with gusts as high as 40 mph. Little or no snow accumulation expected.
Friday Night
A 40 percent chance of snow showers. Mostly cloudy, with a low around 24. Breezy, with a southwest wind 20 to 25 mph, with gusts as high as 40 mph. Little or no snow accumulation expected.
Saturday
A 20 percent chance of snow showers. Mostly sunny, with a high near 34. Windy, with a south wind 20 to 30 mph, with gusts as high as 40 mph.
Saturday Night
Snow showers likely, mainly after 11pm. Mostly cloudy, with a low around 19. Windy, with a south wind 30 to 35 mph, with gusts as high as 55 mph. Chance of precipitation is 70%. New snow accumulation of 3 to 5 inches possible.
Sunday
Snow showers. Some thunder is also possible. High near 23. Windy, with a southwest wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Sunday Night
A 40 percent chance of snow showers. Mostly cloudy, with a low around 16. New snow accumulation of less than one inch possible.
Monday
A chance of snow showers, mainly after 11am. Partly sunny, with a high near 28.
Monday Night
Partly cloudy, with a low around 20.
Tuesday
Sunny, with a high near 35.
Tuesday Night
Mostly clear, with a low around 25.
Wednesday
Sunny, with a high near 40.
Wednesday Night
Partly cloudy, with a low around 29.
Thursday
Mostly sunny, with a high near 41.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
18 Miles W Chalfant CA
 37.5°N 118.68°W (Elev. 11312 ft)
Last Update:
4:31 pm PDT Apr 9, 2026
Forecast Valid:
6pm PDT Apr 9, 2026-6pm PDT Apr 16, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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