National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

59°F

15°C

Humidity 23%
Wind Speed SE 6 MPH
Barometer NA
Dewpoint 21°F (-6°C)
Visibility NA
Last update 15 Apr 02:04 PM PDT
Extended Forecast for

16 Miles W Chalfant CA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 56. West wind around 10 mph, with gusts as high as 25 mph.

    High: 56 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 39. West wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 39 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 53. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 53 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 27. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 27 °F

    Mostly Clear
    and Blustery

  • Friday

    Friday: Sunny, with a high near 50. Northwest wind around 5 mph becoming east in the afternoon.

    High: 50 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 36. Northeast wind around 5 mph becoming calm in the evening.

    Low: 36 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 56. West wind around 10 mph, with gusts as high as 25 mph.
Tonight
Partly cloudy, with a low around 39. West wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 53. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Thursday Night
Mostly clear, with a low around 27. Blustery, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Friday
Sunny, with a high near 50. Northwest wind around 5 mph becoming east in the afternoon.
Friday Night
Partly cloudy, with a low around 36. Northeast wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 57.
Saturday Night
Partly cloudy, with a low around 40.
Sunday
Mostly sunny, with a high near 60.
Sunday Night
Partly cloudy, with a low around 40.
Monday
Sunny, with a high near 58.
Monday Night
Mostly clear, with a low around 38.
Tuesday
A slight chance of rain and snow showers. Mostly sunny, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
16 Miles W Chalfant CA
 37.5°N 118.65°W (Elev. 7690 ft)
Last Update:
11:30 am PDT Apr 15, 2026
Forecast Valid:
3pm PDT Apr 15, 2026-6pm PDT Apr 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation