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

39°F

4°C

Humidity 88%
Wind Speed SSW 2 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Last update 15 Mar 12:52 AM PDT
Extended Forecast for

9 Miles WNW Illinois Valley OR

  • Overnight

    Overnight: Partly cloudy, with a low around 36. East wind around 10 mph, with gusts as high as 18 mph.

    Low: 36 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 61. East wind 6 to 9 mph becoming northwest in the afternoon.

    High: 61 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 47. Northeast wind around 6 mph.

    Low: 47 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, then gradually becoming sunny, with a high near 68. East northeast wind around 6 mph becoming west in the afternoon.

    High: 68 °F

    Becoming
    Sunny

  • Monday Night

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

    Low: 48 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 67.

    High: 67 °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 65.

    High: 65 °F

    Mostly 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. East wind around 10 mph, with gusts as high as 18 mph.
Sunday
Mostly sunny, with a high near 61. East wind 6 to 9 mph becoming northwest in the afternoon.
Sunday Night
Partly cloudy, with a low around 47. Northeast wind around 6 mph.
Monday
Partly sunny, then gradually becoming sunny, with a high near 68. East northeast wind around 6 mph becoming west in the afternoon.
Monday Night
Mostly clear, with a low around 48. West wind around 6 mph becoming south after midnight.
Tuesday
Mostly sunny, with a high near 67.
Tuesday Night
Partly cloudy, with a low around 47.
Wednesday
Mostly sunny, with a high near 65.
Wednesday Night
Partly cloudy, with a low around 48.
Thursday
Mostly sunny, with a high near 66.
Thursday Night
Partly cloudy, with a low around 50.
Friday
Mostly sunny, with a high near 70.
Friday Night
Partly cloudy, with a low around 50.
Saturday
A slight chance of rain. Partly sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles WNW Illinois Valley OR
 42.15°N 123.85°W (Elev. 3356 ft)
1:41 am PDT Mar 15, 2026
1am 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