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.

Partly Cloudy

63°F

17°C

Humidity 45%
Wind Speed N 5 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 14 Mar 03:20 PM PDT
Extended Forecast for

16 Miles NNE Weed CA

  • Tonight

    Tonight: Mostly clear, with a low around 34. West northwest wind 6 to 11 mph becoming east in the evening. Winds could gust as high as 18 mph.

    Low: 34 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 61. Northeast wind 5 to 7 mph becoming west in the afternoon.

    High: 61 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 43. West northwest wind around 5 mph becoming light and variable.

    Low: 43 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 70. East southeast wind around 6 mph becoming calm.

    High: 70 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Clear, with a low around 46. West northwest wind 5 to 7 mph becoming south southeast in the evening.

    Low: 46 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 74.

    High: 74 °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 73.

    High: 73 °F

    Sunny

  • Wednesday Night

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

    Low: 46 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 34. West northwest wind 6 to 11 mph becoming east in the evening. Winds could gust as high as 18 mph.
Sunday
Mostly sunny, with a high near 61. Northeast wind 5 to 7 mph becoming west in the afternoon.
Sunday Night
Partly cloudy, with a low around 43. West northwest wind around 5 mph becoming light and variable.
Monday
Mostly sunny, with a high near 70. East southeast wind around 6 mph becoming calm.
Monday Night
Clear, with a low around 46. West northwest wind 5 to 7 mph becoming south southeast in the evening.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 45.
Wednesday
Sunny, with a high near 73.
Wednesday Night
Mostly clear, with a low around 46.
Thursday
Sunny, with a high near 73.
Thursday Night
Partly cloudy, with a low around 48.
Friday
Mostly sunny, with a high near 75.
Friday Night
Partly cloudy, with a low around 49.
Saturday
Mostly sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles NNE Weed CA
 41.61°N 122.23°W (Elev. 4816 ft)
3:21 pm PDT Mar 14, 2026
3pm PDT Mar 14, 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