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

30°F

-1°C

Humidity 81%
Wind Speed NW 4 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Wind Chill26°F (-3°C)
Last update 13 Apr 08:04 AM PDT
Extended Forecast for

2 Miles E Chalfant CA

  • Today

    Today: A 40 percent chance of snow showers, mainly between 11am and 5pm.  Partly sunny, with a high near 49. Northwest wind 5 to 10 mph.  Little or no snow accumulation expected.

    High: 49 °F

    Chance Snow
    Showers

  • Tonight

    Tonight: A 20 percent chance of snow showers before 8pm.  Mostly cloudy, then gradually becoming clear, with a low around 38. North wind around 10 mph.

    Low: 38 °F

    Slight Chance
    Snow Showers
    then Clear

  • Tuesday

    Tuesday: Sunny, with a high near 58. North wind around 5 mph becoming west in the afternoon.

    High: 58 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 44. West wind 5 to 10 mph.

    Low: 44 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 62. Southwest wind 5 to 10 mph.

    High: 62 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 44. West wind 10 to 15 mph.

    Low: 44 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 35. Breezy.

    Low: 35 °F

    Mostly Clear
    and Breezy
    then Clear

  • Friday

    Friday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

Detailed Forecast

Today
A 40 percent chance of snow showers, mainly between 11am and 5pm. Partly sunny, with a high near 49. Northwest wind 5 to 10 mph. Little or no snow accumulation expected.
Tonight
A 20 percent chance of snow showers before 8pm. Mostly cloudy, then gradually becoming clear, with a low around 38. North wind around 10 mph.
Tuesday
Sunny, with a high near 58. North wind around 5 mph becoming west in the afternoon.
Tuesday Night
Mostly clear, with a low around 44. West wind 5 to 10 mph.
Wednesday
Mostly sunny, with a high near 62. Southwest wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 44. West wind 10 to 15 mph.
Thursday
Sunny, with a high near 56.
Thursday Night
Mostly clear, with a low around 35. Breezy.
Friday
Sunny, with a high near 56.
Friday Night
Mostly clear, with a low around 42.
Saturday
Mostly sunny, with a high near 62.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
Mostly sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Chalfant CA
 37.53°N 118.32°W (Elev. 6575 ft)
7:15 am PDT Apr 13, 2026
8am PDT Apr 13, 2026-6pm PDT Apr 19, 2026
 
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Additional Resources

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