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

SUGARLOAF (SHF) (SLFC1)

Lat: 40.91596°NLon: 122.43483°WElev: 3259.0ft.

NA

55°F

13°C

Humidity 57%
Wind Speed N 8 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Last update 10 Dec 12:19 AM PST
Extended Forecast for

13 Miles SE Trinity Center CA

  • Overnight

    Overnight: Widespread haze. Mostly clear, with a low around 47. North northwest wind around 9 mph.

    Low: 47 °F

    Haze

  • Wednesday

    Wednesday: Widespread haze before 9am. Sunny, with a high near 56. Northwest wind 5 to 9 mph becoming calm  in the afternoon.

    High: 56 °F

    Haze then
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 46. Northwest wind around 9 mph.

    Low: 46 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 56. Northwest wind 5 to 9 mph becoming calm  in the afternoon.

    High: 56 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 46. North northwest wind 9 to 11 mph.

    Low: 46 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

Detailed Forecast

Overnight
Widespread haze. Mostly clear, with a low around 47. North northwest wind around 9 mph.
Wednesday
Widespread haze before 9am. Sunny, with a high near 56. Northwest wind 5 to 9 mph becoming calm in the afternoon.
Wednesday Night
Mostly clear, with a low around 46. Northwest wind around 9 mph.
Thursday
Sunny, with a high near 56. Northwest wind 5 to 9 mph becoming calm in the afternoon.
Thursday Night
Mostly clear, with a low around 46. North northwest wind 9 to 11 mph.
Friday
Sunny, with a high near 58.
Friday Night
Partly cloudy, with a low around 44.
Saturday
Sunny, with a high near 55.
Saturday Night
Partly cloudy, with a low around 41.
Sunday
Partly sunny, with a high near 49.
Sunday Night
A slight chance of showers. Mostly cloudy, with a low around 41.
Monday
A chance of showers. Mostly cloudy, with a high near 45.
Monday Night
Showers likely. Mostly cloudy, with a low around 42.
Tuesday
A chance of showers. Partly sunny, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles SE Trinity Center CA
 40.87°N 122.53°W (Elev. 4350 ft)
1:21 pm PST Dec 9, 2025
1am PST Dec 10, 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