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

29°F

-2°C

Humidity 78%
Wind Speed W 2 MPH
Barometer NA
Dewpoint 23°F (-5°C)
Visibility NA
Last update 12 Apr 10:04 PM PDT
Extended Forecast for

9 Miles ESE Chalfant CA

  • Tonight

    Tonight: Mostly clear, with a low around 20. Southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 20 °F

    Mostly Clear

  • Monday

    Monday: A 40 percent chance of snow showers, mainly after 11am.  Mostly sunny, with a high near 31. West wind 10 to 15 mph.  New snow accumulation of less than a half inch possible.

    High: 31 °F

    Chance Snow
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming clear, with a low around 22. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 22 °F

    Decreasing
    Clouds and
    Blustery

  • Tuesday

    Tuesday: Sunny, with a high near 41. West wind 10 to 15 mph.

    High: 41 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 28. West wind 5 to 10 mph.

    Low: 28 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 44. Southwest wind 10 to 15 mph.

    High: 44 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 41. Breezy.

    High: 41 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 20. Blustery.

    Low: 20 °F

    Mostly Clear
    and Blustery

Detailed Forecast

Tonight
Mostly clear, with a low around 20. Southwest wind around 10 mph, with gusts as high as 20 mph.
Monday
A 40 percent chance of snow showers, mainly after 11am. Mostly sunny, with a high near 31. West wind 10 to 15 mph. New snow accumulation of less than a half inch possible.
Monday Night
Mostly cloudy, then gradually becoming clear, with a low around 22. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday
Sunny, with a high near 41. West wind 10 to 15 mph.
Tuesday Night
Mostly clear, with a low around 28. West wind 5 to 10 mph.
Wednesday
Mostly sunny, with a high near 44. Southwest wind 10 to 15 mph.
Wednesday Night
Partly cloudy, with a low around 29.
Thursday
Sunny, with a high near 41. Breezy.
Thursday Night
Mostly clear, with a low around 20. Blustery.
Friday
Sunny, with a high near 39.
Friday Night
Mostly clear, with a low around 25.
Saturday
Sunny, with a high near 44.
Saturday Night
Partly cloudy, with a low around 31.
Sunday
Sunny, with a high near 48. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles ESE Chalfant CA
 37.47°N 118.22°W (Elev. 10154 ft)
4:30 pm PDT Apr 12, 2026
11pm 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

National Digital Forecast Database