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

28°F

-2°C

Humidity 84%
Wind Speed NW 4 MPH
Barometer NA
Dewpoint 24°F (-4°C)
Visibility NA
Wind Chill23°F (-5°C)
Last update 13 Apr 01:04 AM PDT
Extended Forecast for

12 Miles ESE Chalfant CA

  • Overnight

    Overnight: Mostly clear, with a low around 20. Southwest wind around 10 mph.

    Low: 20 °F

    Mostly Clear

  • Monday

    Monday: A 40 percent chance of snow showers, mainly between 8am and 5pm.  Partly sunny, with a high near 31. North wind 10 to 15 mph becoming northeast in the morning. Winds could gust as high as 25 mph.  New snow accumulation of 1 to 2 inches possible.

    High: 31 °F

    Chance Snow
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of snow showers before 8pm.  Mostly cloudy, then gradually becoming clear, with a low around 21. Blustery, with a north wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 21 °F

    Blustery.
    Slight Chance
    Snow Showers
    then Mostly
    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 42. Northwest wind 10 to 15 mph becoming southwest in the morning.

    High: 42 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 27. West wind around 10 mph, with gusts as high as 20 mph.

    Low: 27 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 46. South wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 46 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 28. Breezy.

    Low: 28 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 42. Breezy.

    High: 42 °F

    Sunny then
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 18. Windy.

    Low: 18 °F

    Mostly Clear
    and Windy

Detailed Forecast

Overnight
Mostly clear, with a low around 20. Southwest wind around 10 mph.
Monday
A 40 percent chance of snow showers, mainly between 8am and 5pm. Partly sunny, with a high near 31. North wind 10 to 15 mph becoming northeast in the morning. Winds could gust as high as 25 mph. New snow accumulation of 1 to 2 inches possible.
Monday Night
A 20 percent chance of snow showers before 8pm. Mostly cloudy, then gradually becoming clear, with a low around 21. Blustery, with a north wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday
Sunny, with a high near 42. Northwest wind 10 to 15 mph becoming southwest in the morning.
Tuesday Night
Mostly clear, with a low around 27. West wind around 10 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 46. South wind 5 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Partly cloudy, with a low around 28. Breezy.
Thursday
Sunny, with a high near 42. Breezy.
Thursday Night
Mostly clear, with a low around 18. Windy.
Friday
Sunny, with a high near 40.
Friday Night
Mostly clear, with a low around 25.
Saturday
Mostly sunny, with a high near 45.
Saturday Night
Partly cloudy, with a low around 30.
Sunday
Mostly sunny, with a high near 48. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles ESE Chalfant CA
 37.46°N 118.16°W (Elev. 9800 ft)
11:31 pm PDT Apr 12, 2026
1am PDT Apr 13, 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