Tracking a Winter Storm; Unusual Early-Season Heat Wave in the Southwest

A major winter storm will organize across the Northern Plains today and then rapidly strengthen as it moves into the Great Lakes on Sunday. Heavy snow and blowing snow are likely to persist over the Great Lakes into Monday night. Dry and gusty winds will produce a critical fire risk across the central/southern Plains. An early heatwave will begin to intensify over the western U.S. into next week. Read More >

Current conditions at

Montague Siskiyou County Airport (KSIY)

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

Clear

44°F

7°C

Humidity 70%
Wind Speed NE 5 MPH
Barometer 30.25 in (1024.38 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 14 Mar 11:53 PM PDT
Extended Forecast for

11 Miles NNW Yreka CA

  • Overnight

    Overnight: Mostly clear, with a low around 35. Calm wind.

    Low: 35 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 72. Light east southeast wind.

    High: 72 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 43. Calm wind.

    Low: 43 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 81. Calm wind.

    High: 81 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Clear, with a low around 44. Calm wind.

    Low: 44 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Tuesday Night

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

    Low: 45 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 35. Calm wind.
Sunday
Sunny, with a high near 72. Light east southeast wind.
Sunday Night
Partly cloudy, with a low around 43. Calm wind.
Monday
Mostly sunny, with a high near 81. Calm wind.
Monday Night
Clear, with a low around 44. Calm wind.
Tuesday
Sunny, with a high near 83.
Tuesday Night
Mostly clear, with a low around 45.
Wednesday
Sunny, with a high near 83.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Mostly sunny, with a high near 83.
Thursday Night
Partly cloudy, with a low around 48.
Friday
Mostly sunny, with a high near 85.
Friday Night
Partly cloudy, with a low around 49.
Saturday
Mostly sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles NNW Yreka CA
 41.86°N 122.75°W (Elev. 2001 ft)
10:41 pm PDT Mar 14, 2026
12am PDT Mar 15, 2026-6pm PDT Mar 21, 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