Hawaii and Guam Concerns; Severe Weather for the Plains; Heavy Snow for Sierra-Nevada

Heavy rainfall capable of causing flash flooding will continue to impact Hawaii through Monday. Severe thunderstorms and heavy rain are possible in parts of Texas and the southern Plains and the Upper Great Lakes. Heavy mountain snow continues in California's Sierra Nevada and rain with gusty winds to lower elevations. Super Typhoon Sinlaku will impact the Marianas through midweek. Read More >

Current conditions at

ROCK CREEK (RCEC1)

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

NA

30°F

-1°C

Humidity 78%
Wind Speed S 4 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility NA
Wind Chill26°F (-3°C)
Last update 12 Apr 09:04 PM PDT
Extended Forecast for

18 Miles W Chalfant CA

Winter Storm Warning April 12, 09:42pm until April 12, 11:00pm
Click here for hazard details and duration
...
  •  
    Winter Storm Warning April 12, 09:42pm until April 12, 11:00pm

    NOW until 11:00pm Sun

    Winter Storm Warning

  • Tonight

    Low: 14 °F

    Breezy.
    Slight Chance
    Snow Showers
    then Mostly
    Clear

  • Monday

    Monday: A 50 percent chance of snow showers, mainly after 11am. Some thunder is also possible.  Partly sunny, with a high near 25. West wind 5 to 15 mph becoming north in the morning.  New snow accumulation of less than a half inch possible.

    High: 25 °F

    Chance Snow
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 18. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 18 °F

    Mostly Clear
    and Breezy

  • Tuesday

    Tuesday: Sunny, with a high near 33. West wind around 10 mph.

    High: 33 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 25. West wind around 10 mph.

    Low: 25 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 36. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 36 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 33.

    High: 33 °F

    Mostly Sunny

Detailed Forecast

Tonight
A 20 percent chance of snow showers before 11pm. Mostly clear, with a low around 14. Breezy, with a west wind 20 to 25 mph decreasing to 15 to 20 mph after midnight. Winds could gust as high as 40 mph.
Monday
A 50 percent chance of snow showers, mainly after 11am. Some thunder is also possible. Partly sunny, with a high near 25. West wind 5 to 15 mph becoming north in the morning. New snow accumulation of less than a half inch possible.
Monday Night
Mostly clear, with a low around 18. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday
Sunny, with a high near 33. West wind around 10 mph.
Tuesday Night
Mostly clear, with a low around 25. West wind around 10 mph.
Wednesday
Mostly sunny, with a high near 36. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Partly cloudy, with a low around 26.
Thursday
Mostly sunny, with a high near 33.
Thursday Night
Mostly clear, with a low around 16. Blustery.
Friday
Sunny, with a high near 35.
Friday Night
Mostly clear, with a low around 22.
Saturday
Sunny, with a high near 40.
Saturday Night
Partly cloudy, with a low around 27.
Sunday
Mostly sunny, with a high near 43.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
18 Miles W Chalfant CA
 37.5°N 118.68°W (Elev. 11312 ft)
4:30 pm PDT Apr 12, 2026
9pm PDT Apr 12, 2026-6pm PDT Apr 19, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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