Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Current conditions at

ROCK CREEK (RCEC1)

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

NA

26°F

-3°C

Humidity 79%
Wind Speed WNW 4 MPH
Barometer NA
Dewpoint 20°F (-7°C)
Visibility NA
Wind Chill21°F (-6°C)
Last update 09 Dec 02:04 AM PST
Extended Forecast for

Chalfant CA

  • Overnight

    Overnight: Mostly clear, with a low around 35. North wind around 5 mph.

    Low: 35 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 69. Northwest wind around 5 mph.

    High: 69 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 37. North wind 5 to 10 mph.

    Low: 37 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 70. North wind around 5 mph becoming calm  in the morning.

    High: 70 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 36. Northwest wind around 5 mph.

    Low: 36 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 71. Northwest wind around 5 mph becoming calm  in the morning.

    High: 71 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 37.

    Low: 37 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 35. North wind around 5 mph.
Tuesday
Sunny, with a high near 69. Northwest wind around 5 mph.
Tuesday Night
Clear, with a low around 37. North wind 5 to 10 mph.
Wednesday
Sunny, with a high near 70. North wind around 5 mph becoming calm in the morning.
Wednesday Night
Clear, with a low around 36. Northwest wind around 5 mph.
Thursday
Sunny, with a high near 71. Northwest wind around 5 mph becoming calm in the morning.
Thursday Night
Clear, with a low around 37.
Friday
Sunny, with a high near 70.
Friday Night
Mostly clear, with a low around 35.
Saturday
Sunny, with a high near 68.
Saturday Night
Mostly clear, with a low around 34.
Sunday
Sunny, with a high near 67.
Sunday Night
Partly cloudy, with a low around 35.
Monday
Mostly sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
Chalfant CA
 37.54°N 118.38°W (Elev. 4298 ft)
10:30 pm PST Dec 8, 2025
3am PST Dec 9, 2025-6pm PST Dec 15, 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