Strong Atmospheric River Bringing Heavy Rain to the Pacific Northwest; Areas of Snow in the North-Central and Eastern U.S.

A strong atmospheric river will bring prolonged heavy rainfall along with gusty winds to the Pacific Northwest through much of this week. The heavy rainfall may lead to widespread urban and river flooding. Accumulating snow is expected over parts of the central Appalachians and Mid-Atlantic today as well as the Upper Midwest and the Upper Great Lakes this evening into Tuesday. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

54°F

12°C

Humidity 62%
Wind Speed N 3 MPH
Barometer 30.34 in (1027.43 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 08 Dec 01:20 PM PST
Extended Forecast for

4 Miles W Yreka CA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 51. Calm wind.

    High: 51 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 39. West wind 3 to 5 mph.

    Low: 39 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 53. Light west wind.

    High: 53 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 42. Light southwest wind.

    Low: 42 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 55. Calm wind.

    High: 55 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 38.

    Low: 38 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 51. Calm wind.
Tonight
Partly cloudy, with a low around 39. West wind 3 to 5 mph.
Tuesday
Mostly sunny, with a high near 53. Light west wind.
Tuesday Night
Partly cloudy, with a low around 42. Light southwest wind.
Wednesday
Mostly sunny, with a high near 55. Calm wind.
Wednesday Night
Mostly clear, with a low around 39.
Thursday
Sunny, with a high near 55.
Thursday Night
Clear, with a low around 38.
Friday
Sunny, with a high near 54.
Friday Night
Mostly clear, with a low around 37.
Saturday
Sunny, with a high near 54.
Saturday Night
Partly cloudy, with a low around 37.
Sunday
Partly sunny, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Yreka CA
 41.73°N 122.71°W (Elev. 3399 ft)
12:27 pm PST Dec 8, 2025
1pm PST Dec 8, 2025-6pm PST Dec 14, 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