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

35°F

2°C

Humidity 98%
Wind Speed SSW 0 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Last update 15 Mar 02:52 AM PDT
Extended Forecast for

8 Miles WNW Illinois Valley OR

  • Overnight

    Overnight: Partly cloudy, with a low around 36. Northeast wind around 7 mph.

    Low: 36 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 62. East northeast wind 5 to 7 mph becoming north northwest in the afternoon.

    High: 62 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 47. North northeast wind 3 to 5 mph.

    Low: 47 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 69. Northeast wind around 5 mph becoming light and variable.

    High: 69 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 47. West wind 3 to 5 mph.

    Low: 47 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Tuesday Night

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

    Low: 46 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 36. Northeast wind around 7 mph.
Sunday
Mostly sunny, with a high near 62. East northeast wind 5 to 7 mph becoming north northwest in the afternoon.
Sunday Night
Partly cloudy, with a low around 47. North northeast wind 3 to 5 mph.
Monday
Sunny, with a high near 69. Northeast wind around 5 mph becoming light and variable.
Monday Night
Mostly clear, with a low around 47. West wind 3 to 5 mph.
Tuesday
Mostly sunny, with a high near 68.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
Sunny, with a high near 67.
Wednesday Night
Partly cloudy, with a low around 48.
Thursday
Mostly sunny, with a high near 67.
Thursday Night
Partly cloudy, with a low around 50.
Friday
Mostly sunny, with a high near 71.
Friday Night
Partly cloudy, with a low around 49.
Saturday
Mostly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles WNW Illinois Valley OR
 42.14°N 123.81°W (Elev. 3209 ft)
3:21 am PDT Mar 15, 2026
3am 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