Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Current conditions at

ROCK CREEK (RCEC1)

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

NA

45°F

7°C

Humidity 28%
Wind Speed W 5 MPH
Barometer NA
Dewpoint 14°F (-10°C)
Visibility NA
Wind Chill42°F (6°C)
Last update 09 Dec 08:04 PM PST
Extended Forecast for

9 Miles ESE Chalfant CA

  • Tonight

    Tonight: Mostly clear, with a low around 31. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 31 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 43. West wind 5 to 10 mph.

    High: 43 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 32. Northwest wind 5 to 10 mph.

    Low: 32 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 42. Northwest wind 5 to 10 mph.

    High: 42 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 29. Northwest wind around 10 mph.

    Low: 29 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 41. Northwest wind around 10 mph.

    High: 41 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 39.

    High: 39 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 31. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
Sunny, with a high near 43. West wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 32. Northwest wind 5 to 10 mph.
Thursday
Sunny, with a high near 42. Northwest wind 5 to 10 mph.
Thursday Night
Clear, with a low around 29. Northwest wind around 10 mph.
Friday
Sunny, with a high near 41. Northwest wind around 10 mph.
Friday Night
Mostly clear, with a low around 28.
Saturday
Sunny, with a high near 39.
Saturday Night
Partly cloudy, with a low around 26.
Sunday
Sunny, with a high near 36.
Sunday Night
Partly cloudy, with a low around 26.
Monday
Mostly sunny, with a high near 37.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
Mostly sunny, with a high near 37.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles ESE Chalfant CA
 37.5°N 118.19°W (Elev. 10932 ft)
3:30 pm PST Dec 9, 2025
9pm PST Dec 9, 2025-6pm PST Dec 16, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database