Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather Threat from the Central Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, and thunderstorms to the Marianas Islands into Wednesday. Tropical Storm conditions are likely over Guam. Severe thunderstorms and heavy rain are likely across the Upper Mississippi Valley and Great Lakes region with potential for large to very large hail, damaging wind, and tornadoes through Tuesday. Read More >

Current conditions at

ROCK CREEK (RCEC1)

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

NA

29°F

-2°C

Humidity 69%
Wind Speed WNW 2 MPH
Barometer NA
Dewpoint 20°F (-7°C)
Visibility NA
Last update 13 Apr 07:04 AM PDT
Extended Forecast for

16 Miles W Chalfant CA

  • Today

    Today: A 50 percent chance of snow showers, mainly between 8am and 5pm. Some thunder is also possible.  Partly sunny, with a high near 43. Northwest wind around 10 mph.  Little or no snow accumulation expected.

    High: 43 °F

    Chance Snow
    Showers

  • Tonight

    Tonight: A 20 percent chance of snow showers before 8pm.  Mostly clear, with a low around 24. Northwest wind around 10 mph.

    Low: 24 °F

    Slight Chance
    Snow Showers
    then Mostly
    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 52. Northwest wind 5 to 10 mph.

    High: 52 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 29. West wind around 10 mph.

    Low: 29 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 55. Southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 55 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 30. West wind 10 to 15 mph.

    Low: 30 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 21.

    Low: 21 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

Detailed Forecast

Today
A 50 percent chance of snow showers, mainly between 8am and 5pm. Some thunder is also possible. Partly sunny, with a high near 43. Northwest wind around 10 mph. Little or no snow accumulation expected.
Tonight
A 20 percent chance of snow showers before 8pm. Mostly clear, with a low around 24. Northwest wind around 10 mph.
Tuesday
Sunny, with a high near 52. Northwest wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 29. West wind around 10 mph.
Wednesday
Mostly sunny, with a high near 55. Southwest wind around 10 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 30. West wind 10 to 15 mph.
Thursday
Sunny, with a high near 49.
Thursday Night
Mostly clear, with a low around 21.
Friday
Sunny, with a high near 51.
Friday Night
Mostly clear, with a low around 27.
Saturday
Mostly sunny, with a high near 57.
Saturday Night
Partly cloudy, with a low around 32.
Sunday
Mostly sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles W Chalfant CA
 37.57°N 118.64°W (Elev. 7198 ft)
4:30 am PDT Apr 13, 2026
7am PDT Apr 13, 2026-6pm PDT Apr 19, 2026
 
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Additional Resources

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Hourly Weather Forecast

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