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

Heavy Rain and Flooding Concerns in Hawaii; Severe Weather in the Plains

A storm system is expected to bring strong winds, widespread heavy rainfall, and flooding concerns to the Hawaiian Islands through the weekend. Strong to severe thunderstorms are forecast from the Southern Plains to the Mid-Missouri Valley this afternoon and evening. Large hail and strong winds are the primary threats. Read More >

Hazardous Weather Conditions

Current conditions at

ROCK CREEK (RCEC1)

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

NA

63°F

17°C

Humidity 24%
Wind Speed SW 10 MPH
Barometer NA
Dewpoint 26°F (-3°C)
Visibility NA
Last update 09 Apr 05:04 PM PDT
Extended Forecast for

12 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 after 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 32. Breezy, with a southwest wind 15 to 20 mph becoming west 10 to 15 mph after midnight. Winds could gust as high as 30 mph.

    Low: 32 °F

    Mostly Cloudy
    and Breezy
    then Patchy
    Smoke

  • Friday

    Friday: A 20 percent chance of snow showers after 11am. Patchy smoke before 9am. Mostly sunny, with a high near 46. Windy, with a south wind 10 to 20 mph increasing to 25 to 35 mph. Winds could gust as high as 45 mph.

    High: 46 °F

    Slight Chance
    Snow Showers
    and Windy

  • Friday Night

    Friday Night: A 30 percent chance of snow showers. Partly cloudy, with a low around 27. Windy, with a southwest wind 20 to 30 mph decreasing to 10 to 20 mph after midnight. Winds could gust as high as 40 mph. Little or no snow accumulation expected.

    Low: 27 °F

    Chance Snow
    Showers and
    Windy

  • Saturday

    Saturday: A 20 percent chance of snow showers before 11am. Mostly sunny, with a high near 42. Windy, with a southwest wind 10 to 20 mph becoming south 20 to 30 mph in the morning. Winds could gust as high as 45 mph.

    High: 42 °F

    Slight Chance
    Snow Showers
    and Windy

  • Saturday Night

    Saturday Night: A 40 percent chance of snow showers after 11pm. Mostly cloudy, with a low around 23. Windy, with a south wind 30 to 35 mph decreasing to 20 to 25 mph after midnight. Winds could gust as high as 45 mph. New snow accumulation of 1 to 3 inches possible.

    Low: 23 °F

    Chance Snow
    Showers and
    Windy

  • Sunday

    Sunday: Snow showers likely. Some thunder is also possible. Mostly cloudy, with a high near 32. Breezy, with a southwest wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    High: 32 °F

    Snow Showers
    Likely and
    Breezy

  • Sunday Night

    Sunday Night: A 40 percent chance of snow showers, mainly before 11pm. Mostly cloudy, with a low around 20. Breezy. New snow accumulation of less than one inch possible.

    Low: 20 °F

    Chance Snow
    Showers and
    Breezy

  • Monday

    Monday: A slight chance of snow showers. Partly sunny, with a high near 36.

    High: 36 °F

    Slight Chance
    Snow Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy smoke after 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 32. Breezy, with a southwest wind 15 to 20 mph becoming west 10 to 15 mph after midnight. Winds could gust as high as 30 mph.
Friday
A 20 percent chance of snow showers after 11am. Patchy smoke before 9am. Mostly sunny, with a high near 46. Windy, with a south wind 10 to 20 mph increasing to 25 to 35 mph. Winds could gust as high as 45 mph.
Friday Night
A 30 percent chance of snow showers. Partly cloudy, with a low around 27. Windy, with a southwest wind 20 to 30 mph decreasing to 10 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 42. Windy, with a southwest wind 10 to 20 mph becoming south 20 to 30 mph in the morning. Winds could gust as high as 45 mph.
Saturday Night
A 40 percent chance of snow showers after 11pm. Mostly cloudy, with a low around 23. Windy, with a south wind 30 to 35 mph decreasing to 20 to 25 mph after midnight. Winds could gust as high as 45 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 32. Breezy, with a southwest wind 20 to 25 mph, with gusts as high as 35 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 20. Breezy. New snow accumulation of less than one inch possible.
Monday
A slight chance of snow showers. Partly sunny, with a high near 36.
Monday Night
Partly cloudy, with a low around 23.
Tuesday
Sunny, with a high near 43.
Tuesday Night
Mostly clear, with a low around 28.
Wednesday
Sunny, with a high near 48.
Wednesday Night
Partly cloudy, with a low around 31.
Thursday
Partly sunny, with a high near 47.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
12 Miles ESE Chalfant CA
 37.46°N 118.16°W (Elev. 9800 ft)
Last Update:
4:31 pm PDT Apr 9, 2026
Forecast Valid:
5pm PDT Apr 9, 2026-6pm PDT Apr 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation