Storm Impacting the Southwest U.S.; Above Normal Temperatures Further East

A storm system will shift across the southwest U.S. through Thursday with widespread showers and isolated thunderstorms. Isolated flooding is possible. High-elevation snow is also expected in parts of Nevada and the southern Sierra Nevada range. East of this storm, above average temperatures will challenge or break daily record high temperatures this week in the southern Plains and southeast U.S. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

Lat: 42.10375°NLon: 123.68508°WElev: 1389.0ft.

NA

48°F

9°C

Humidity 81%
Wind Speed NNE 5 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Wind Chill46°F (8°C)
Last update 18 Nov 08:52 AM PST
Extended Forecast for

14 Miles W Illinois Valley OR

  • Today

    Today: Sunny, with a high near 42. Northeast wind around 14 mph, with gusts as high as 21 mph.

    High: 42 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a steady temperature around 38. East northeast wind 13 to 16 mph, with gusts as high as 24 mph.

    Low: 38 °F

    Mostly Clear

  • Wednesday

    Wednesday: Showers likely, mainly after 4pm.  Snow level 5600 feet. Increasing clouds, with a high near 44. South southwest wind 6 to 13 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 44 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers.  Snow level 6000 feet lowering to 5300 feet after midnight . Low around 39. South southwest wind 15 to 17 mph, with gusts as high as 26 mph.  Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 39 °F

    Showers

  • Thursday

    Thursday: Rain likely, possibly mixed with snow showers before 10am, then a chance of rain showers.  Snow level 4900 feet. Partly sunny, with a high near 42. South southeast wind around 7 mph becoming east northeast in the afternoon.  Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 42 °F

    Rain/Snow
    Likely then
    Chance
    Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of showers before 10pm.  Snow level 5700 feet. Partly cloudy, with a low around 38.

    Low: 38 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 42. Northeast wind around 14 mph, with gusts as high as 21 mph.
Tonight
Mostly clear, with a steady temperature around 38. East northeast wind 13 to 16 mph, with gusts as high as 24 mph.
Wednesday
Showers likely, mainly after 4pm. Snow level 5600 feet. Increasing clouds, with a high near 44. South southwest wind 6 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Showers. Snow level 6000 feet lowering to 5300 feet after midnight . Low around 39. South southwest wind 15 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday
Rain likely, possibly mixed with snow showers before 10am, then a chance of rain showers. Snow level 4900 feet. Partly sunny, with a high near 42. South southeast wind around 7 mph becoming east northeast in the afternoon. Chance of precipitation is 70%. Little or no snow accumulation expected.
Thursday Night
A 20 percent chance of showers before 10pm. Snow level 5700 feet. Partly cloudy, with a low around 38.
Friday
Mostly sunny, with a high near 47.
Friday Night
Partly cloudy, with a low around 38.
Saturday
Mostly sunny, with a high near 49.
Saturday Night
A slight chance of showers after 4am. Snow level 7100 feet. Partly cloudy, with a low around 40.
Sunday
A chance of showers. Snow level 6800 feet. Partly sunny, with a high near 47.
Sunday Night
A chance of rain and snow showers. Snow level 6200 feet. Mostly cloudy, with a low around 39.
Monday
Rain and snow showers likely. Snow level 5300 feet. Mostly cloudy, with a high near 41.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
14 Miles W Illinois Valley OR
 42.14°N 123.93°W (Elev. 4121 ft)
3:41 am PST Nov 18, 2025
9am PST Nov 18, 2025-6pm PST Nov 24, 2025
 
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