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

ILLINOIS VALLEY AIRPORT (SBFO3)

Lat: 42.10386°NLon: 123.68519°WElev: 1389.0ft.

NA

64°F

18°C

Humidity 50%
Wind Speed N 10 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Last update 14 Mar 05:52 PM PDT
Extended Forecast for

17 Miles WNW Illinois Valley OR

  • Tonight

    Tonight: Partly cloudy, with a low around 39. East northeast wind 14 to 20 mph.

    Low: 39 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 60. East wind 6 to 16 mph becoming west in the afternoon.

    High: 60 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 49. North wind 8 to 10 mph becoming east northeast in the evening.

    Low: 49 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, then gradually becoming sunny, with a high near 64. East northeast wind 6 to 9 mph becoming west in the afternoon.

    High: 64 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 48. West wind 6 to 8 mph becoming south southeast after midnight.

    Low: 48 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 39. East northeast wind 14 to 20 mph.
Sunday
Mostly sunny, with a high near 60. East wind 6 to 16 mph becoming west in the afternoon.
Sunday Night
Partly cloudy, with a low around 49. North wind 8 to 10 mph becoming east northeast in the evening.
Monday
Partly sunny, then gradually becoming sunny, with a high near 64. East northeast wind 6 to 9 mph becoming west in the afternoon.
Monday Night
Mostly clear, with a low around 48. West wind 6 to 8 mph becoming south southeast after midnight.
Tuesday
Mostly sunny, with a high near 64.
Tuesday Night
Partly cloudy, with a low around 47.
Wednesday
Mostly sunny, with a high near 62.
Wednesday Night
Partly cloudy, with a low around 49.
Thursday
Partly sunny, with a high near 63.
Thursday Night
Partly cloudy, with a low around 51.
Friday
Mostly sunny, with a high near 67.
Friday Night
A slight chance of rain. Mostly cloudy, with a low around 51.
Saturday
A chance of rain. Partly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles WNW Illinois Valley OR
 42.18°N 123.98°W (Elev. 4344 ft)
4:40 pm PDT Mar 14, 2026
6pm 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