Tracking Late Season Winter Storms; Unusual Early-Season Heat Wave in the Southwest

Heavy snow and high winds continue in the Great Lakes and Northeast. A moderate atmospheric river will continue to bring heavy precipitation to the Pacific Northwest and northern Rockies. A major winter storm will develop across the northern High Plains tonight into Saturday and rapidly strengthen as it moves into the Great Lakes on Sunday. Above-average temperatures expected in the Southwest. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

62°F

17°C

Humidity 59%
Wind Speed NE 2 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Last update 13 Mar 12:52 PM PDT
Extended Forecast for

9 Miles WNW Illinois Valley OR

  • This Afternoon

    This Afternoon: A 40 percent chance of rain, mainly after 2pm.  Mostly cloudy, with a high near 49. West wind around 9 mph.

    High: 49 °F

    Chance Rain

  • Tonight

    Tonight: Rain, mainly after 1am.  Low around 42. Southwest wind 7 to 10 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Chance Rain
    then Rain

  • Saturday

    Saturday: Rain.  Snow level 7600 feet lowering to 5100 feet in the afternoon . High near 50. Southwest wind 7 to 10 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 50 °F

    Rain then
    Rain Likely

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 35. North northwest wind 7 to 9 mph becoming east northeast after midnight.

    Low: 35 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 60. East wind 5 to 7 mph becoming north northwest in the afternoon.

    High: 60 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Monday Night

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

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of rain, mainly after 2pm. Mostly cloudy, with a high near 49. West wind around 9 mph.
Tonight
Rain, mainly after 1am. Low around 42. Southwest wind 7 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Rain. Snow level 7600 feet lowering to 5100 feet in the afternoon . High near 50. Southwest wind 7 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Partly cloudy, with a low around 35. North northwest wind 7 to 9 mph becoming east northeast after midnight.
Sunday
Partly sunny, with a high near 60. East wind 5 to 7 mph becoming north northwest in the afternoon.
Sunday Night
Mostly cloudy, with a low around 45.
Monday
Mostly sunny, with a high near 67.
Monday Night
Mostly clear, with a low around 46.
Tuesday
Mostly sunny, with a high near 68.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
A chance of rain. Partly sunny, with a high near 66.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 50.
Thursday
A slight chance of rain. Partly sunny, with a high near 66.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles WNW Illinois Valley OR
 42.15°N 123.85°W (Elev. 3356 ft)
10:41 am PDT Mar 13, 2026
1pm PDT Mar 13, 2026-6pm PDT Mar 19, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database