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 23%
Wind Speed SSE 4 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility NA
Last update 09 Apr 02:04 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

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 47. Southwest wind around 15 mph.

    High: 47 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 32. Southwest wind 10 to 15 mph becoming southeast after midnight.

    Low: 32 °F

    Mostly Cloudy

  • Friday

    Friday: A 20 percent chance of snow showers after 2pm. Patchy smoke before 9am. Sunny, with a high near 45. Breezy, with a southeast wind 10 to 15 mph becoming south 20 to 25 mph in the morning. Winds could gust as high as 40 mph.

    High: 45 °F

    Breezy.
    Patchy Smoke
    then Slight
    Chance Snow
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of snow showers. Partly cloudy, with a low around 26. Breezy, with a southwest wind 20 to 25 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 40 mph. Little or no snow accumulation expected.

    Low: 26 °F

    Chance Snow
    Showers and
    Breezy

  • Saturday

    Saturday: A 20 percent chance of snow showers before 11am. Mostly sunny, with a high near 41. Breezy, with a south wind 15 to 20 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 41 °F

    Breezy.
    Slight Chance
    Snow Showers
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: A 50 percent chance of snow showers after 11pm. Mostly cloudy, with a low around 23. Windy, with a south wind 25 to 30 mph, with gusts as high as 50 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 31. Breezy. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    High: 31 °F

    Snow Showers
    Likely and
    Breezy

  • Sunday Night

    Sunday Night: A chance of snow showers, mainly before 11pm. Mostly cloudy, with a low around 21.

    Low: 21 °F

    Chance Snow
    Showers

  • Monday

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

    High: 36 °F

    Slight Chance
    Snow Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 47. Southwest wind around 15 mph.
Tonight
Mostly cloudy, with a low around 32. Southwest wind 10 to 15 mph becoming southeast after midnight.
Friday
A 20 percent chance of snow showers after 2pm. Patchy smoke before 9am. Sunny, with a high near 45. Breezy, with a southeast wind 10 to 15 mph becoming south 20 to 25 mph in the morning. Winds could gust as high as 40 mph.
Friday Night
A 30 percent chance of snow showers. Partly cloudy, with a low around 26. Breezy, with a southwest wind 20 to 25 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 41. Breezy, with a south wind 15 to 20 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph.
Saturday Night
A 50 percent chance of snow showers after 11pm. Mostly cloudy, with a low around 23. Windy, with a south wind 25 to 30 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 31. Breezy. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Sunday Night
A chance of snow showers, mainly before 11pm. Mostly cloudy, with a low around 21.
Monday
A slight chance of snow showers. Partly sunny, with a high near 36.
Monday Night
Partly cloudy, with a low around 24.
Tuesday
Sunny, with a high near 41.
Tuesday Night
Mostly clear, with a low around 29.
Wednesday
Sunny, with a high near 46.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles ESE Chalfant CA
 37.47°N 118.22°W (Elev. 10154 ft)
Last Update:
11:31 am PDT Apr 9, 2026
Forecast Valid:
2pm PDT Apr 9, 2026-6pm PDT Apr 15, 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