Tracking Atmospheric River in the Northwest U.S. and Clipper with Winter Weather in the Northeast U.S.

A prolonged atmospheric river will continue to bring gusty winds, heavy rainfall which may lead to urban and river flooding with possible landslides, and heavy inter-mountain snow over the Pacific Northwest into the northern Rockies through Thursday. A clipper will cross the Great Lakes and Northeast U.S. into Thursday with areas of moderate to heavy snow and mixed wintry precipitation. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

Lat: 41.77375°NLon: 122.46817°WElev: 2644.0ft.

Fog

33°F

1°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.35 in (1027.77 mb)
Dewpoint 33°F (1°C)
Visibility 0.25 mi
Last update 10 Dec 08:53 AM PST
Extended Forecast for

3 Miles W Yreka CA

  • Today

    Today: Patchy fog before 11am.  Otherwise, sunny, with a high near 56. Calm wind.

    High: 56 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 37. Light west southwest wind.

    Low: 37 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 55. Calm wind.

    High: 55 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 36. Calm wind.

    Low: 36 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 54. Calm wind.

    High: 54 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy fog before 11am. Otherwise, sunny, with a high near 56. Calm wind.
Tonight
Mostly clear, with a low around 37. Light west southwest wind.
Thursday
Sunny, with a high near 55. Calm wind.
Thursday Night
Mostly clear, with a low around 36. Calm wind.
Friday
Sunny, with a high near 54. Calm wind.
Friday Night
Mostly clear, with a low around 36.
Saturday
Sunny, with a high near 56.
Saturday Night
Partly cloudy, with a low around 36.
Sunday
Mostly sunny, with a high near 53.
Sunday Night
Mostly cloudy, with a low around 39.
Monday
Rain likely. Mostly cloudy, with a high near 52.
Monday Night
Rain likely. Mostly cloudy, with a low around 42.
Tuesday
A chance of rain. Partly sunny, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Yreka CA
 41.72°N 122.68°W (Elev. 3199 ft)
3:41 am PST Dec 10, 2025
9am 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