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

51°F

11°C

Humidity 45%
Wind Speed WNW 4 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Last update 09 Apr 08:04 PM PDT
Extended Forecast for

9 Miles ESE 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 4am, then patchy smoke after 5am. Mostly cloudy, with a low around 29. South wind 10 to 15 mph.

    Low: 29 °F

    Mostly Cloudy
    then Patchy
    Smoke

  • Friday

    Friday: A 20 percent chance of snow showers after 11am. Patchy smoke before 9am. Mostly sunny, with a high near 40. Windy, with a south wind 10 to 20 mph increasing to 20 to 30 mph in the afternoon. Winds could gust as high as 45 mph.

    High: 40 °F

    Slight Chance
    Snow Showers
    and Windy

  • Friday Night

    Friday Night: A 30 percent chance of snow showers. Partly cloudy, with a low around 24. Windy, with a southwest wind 25 to 30 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 40 mph. Little or no snow accumulation expected.

    Low: 24 °F

    Chance Snow
    Showers and
    Windy

  • Saturday

    Saturday: A 20 percent chance of snow showers before 11am. Mostly sunny, with a high near 37. Windy, with a south wind 15 to 20 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 45 mph.

    High: 37 °F

    Slight Chance
    Snow Showers
    and Windy

  • Saturday Night

    Saturday Night: A 50 percent chance of snow showers after 11pm. Mostly cloudy, with a low around 20. Windy, with a south wind 30 to 35 mph, with gusts as high as 50 mph. New snow accumulation of 1 to 3 inches possible.

    Low: 20 °F

    Chance Snow
    Showers and
    Windy

  • Sunday

    Sunday: Snow showers likely. Some thunder is also possible. Mostly cloudy, with a high near 27. Windy, with a southwest wind 20 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    High: 27 °F

    Snow Showers
    Likely and
    Windy

  • Sunday Night

    Sunday Night: A 40 percent chance of snow showers, mainly before 11pm. Mostly cloudy, with a low around 18. Breezy. New snow accumulation of less than one inch possible.

    Low: 18 °F

    Chance Snow
    Showers and
    Breezy

  • Monday

    Monday: A slight chance of snow showers. Partly sunny, with a high near 31.

    High: 31 °F

    Slight Chance
    Snow Showers

  • Monday Night

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

    Low: 21 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy smoke before 4am, then patchy smoke after 5am. Mostly cloudy, with a low around 29. South wind 10 to 15 mph.
Friday
A 20 percent chance of snow showers after 11am. Patchy smoke before 9am. Mostly sunny, with a high near 40. Windy, with a south wind 10 to 20 mph increasing to 20 to 30 mph in the afternoon. Winds could gust as high as 45 mph.
Friday Night
A 30 percent chance of snow showers. Partly cloudy, with a low around 24. Windy, with a southwest wind 25 to 30 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 40 mph. Little or no snow accumulation expected.
Saturday
A 20 percent chance of snow showers before 11am. Mostly sunny, with a high near 37. Windy, with a south wind 15 to 20 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 45 mph.
Saturday Night
A 50 percent chance of snow showers after 11pm. Mostly cloudy, with a low around 20. Windy, with a south wind 30 to 35 mph, with gusts as high as 50 mph. New snow accumulation of 1 to 3 inches possible.
Sunday
Snow showers likely. Some thunder is also possible. Mostly cloudy, with a high near 27. Windy, with a southwest wind 20 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 70%. 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. Breezy. New snow accumulation of less than one inch possible.
Monday
A slight chance of snow showers. Partly sunny, with a high near 31.
Monday Night
Partly cloudy, with a low around 21.
Tuesday
Sunny, with a high near 38.
Tuesday Night
Mostly clear, with a low around 26.
Wednesday
Sunny, with a high near 42.
Wednesday Night
Partly cloudy, with a low around 29.
Thursday
Partly sunny, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles ESE Chalfant CA
 37.5°N 118.19°W (Elev. 10932 ft)
Last Update:
4:31 pm PDT Apr 9, 2026
Forecast Valid:
8pm PDT Apr 9, 2026-6pm PDT Apr 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation