Major Winter Storm Ongoing in the Upper Midwest; Severe Weather Tonight from the Mid-South to the Ohio Valley

A major winter storm will continue to bring blizzard conditions, heavy snowfall, icing, and strong winds through Monday across the Upper Midwest and Upper Great Lakes. A line of storms will be capable of producing widespread damaging winds, tornadoes, and some large hail from the Mid-South to the Ohio Valley and the Southeast through tonight, moving into the Mid-Atlantic Monday. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

46°F

8°C

Humidity 61%
Wind Speed N 0 MPH
Barometer 30.27 in (1025.06 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 15 Mar 10:00 PM PDT
Extended Forecast for

4 Miles N Yreka CA

  • Tonight

    Tonight: Partly cloudy, with a low around 41. Calm wind.

    Low: 41 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 74. Light east southeast wind.

    High: 74 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 43. South wind around 5 mph becoming calm  in the evening.

    Low: 43 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 78. Light south southwest wind.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 42. West wind 3 to 5 mph.

    Low: 42 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 41. Calm wind.
Monday
Sunny, with a high near 74. Light east southeast wind.
Monday Night
Clear, with a low around 43. South wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 78. Light south southwest wind.
Tuesday Night
Mostly clear, with a low around 42. West wind 3 to 5 mph.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 45.
Thursday
Sunny, with a high near 78.
Thursday Night
Mostly clear, with a low around 46.
Friday
Sunny, with a high near 78.
Friday Night
Partly cloudy, with a low around 45.
Saturday
Mostly sunny, with a high near 67.
Saturday Night
Mostly cloudy, with a low around 38.
Sunday
Mostly sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Yreka CA
 41.81°N 122.64°W (Elev. 3379 ft)
4:41 pm PDT Mar 15, 2026
10pm PDT Mar 15, 2026-6pm PDT Mar 22, 2026
 
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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