Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Current conditions at

ROCK CREEK (RCEC1)

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

NA

31°F

-1°C

Humidity 81%
Wind Speed W 3 MPH
Barometer NA
Dewpoint 26°F (-3°C)
Visibility NA
Last update 15 Apr 03:04 AM PDT
Extended Forecast for

15 Miles W Chalfant CA

  • Overnight

    Overnight: Mostly clear, with a low around 32. West wind around 10 mph.

    Low: 32 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 58. West wind 10 to 15 mph becoming southeast in the morning.

    High: 58 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 34. West wind around 15 mph.

    Low: 34 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 52. West wind around 15 mph, with gusts as high as 25 mph.

    High: 52 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 22. Blustery, with a north wind 15 to 20 mph.

    Low: 22 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

  • Friday

    Friday: Sunny, with a high near 50. North wind around 10 mph.

    High: 50 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 32. West wind around 10 mph.
Wednesday
Increasing clouds, with a high near 58. West wind 10 to 15 mph becoming southeast in the morning.
Wednesday Night
Mostly cloudy, with a low around 34. West wind around 15 mph.
Thursday
Sunny, with a high near 52. West wind around 15 mph, with gusts as high as 25 mph.
Thursday Night
Mostly clear, with a low around 22. Blustery, with a north wind 15 to 20 mph.
Friday
Sunny, with a high near 50. North wind around 10 mph.
Friday Night
Mostly clear, with a low around 30.
Saturday
Sunny, with a high near 58.
Saturday Night
Partly cloudy, with a low around 35.
Sunday
Mostly sunny, with a high near 60.
Sunday Night
Partly cloudy, with a low around 35.
Monday
A slight chance of showers. Mostly sunny, with a high near 59.
Monday Night
A slight chance of rain and snow showers. Partly cloudy, with a low around 33.
Tuesday
Mostly sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles W Chalfant CA
 37.55°N 118.63°W (Elev. 7014 ft)
11:30 pm PDT Apr 14, 2026
3am PDT Apr 15, 2026-6pm PDT Apr 21, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database