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

Montague Siskiyou County Airport (KSIY)

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

freezing fog

30°F

-1°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.28 in (1025.4 mb)
Dewpoint 30°F (-1°C)
Visibility 0.24 mi
Last update 09 Dec 04:20 AM PST
Extended Forecast for

Yreka CA

  • Today

    Today: Patchy fog before 11am.  Otherwise, mostly sunny, with a high near 56. Light and variable wind.

    High: 56 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 35. Light west wind.

    Low: 35 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Patchy fog before 11am.  Otherwise, mostly sunny, with a high near 58. Calm wind.

    High: 58 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 34. Calm wind becoming south around 5 mph.

    Low: 34 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 58. Light and variable wind.

    High: 58 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

Detailed Forecast

Today
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 56. Light and variable wind.
Tonight
Partly cloudy, with a low around 35. Light west wind.
Wednesday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 58. Calm wind.
Wednesday Night
Mostly clear, with a low around 34. Calm wind becoming south around 5 mph.
Thursday
Sunny, with a high near 58. Light and variable wind.
Thursday Night
Mostly clear, with a low around 33.
Friday
Mostly sunny, with a high near 57.
Friday Night
Mostly clear, with a low around 32.
Saturday
Sunny, with a high near 58.
Saturday Night
Partly cloudy, with a low around 34.
Sunday
Partly sunny, with a high near 55.
Sunday Night
A slight chance of rain. Mostly cloudy, with a low around 35.
Monday
A chance of rain. Partly sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
Yreka CA
 41.75°N 122.62°W (Elev. 2726 ft)
3:41 am PST Dec 9, 2025
4am 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