National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rain Across the Southern US; Unsettled Pattern in the Pacific Northwest

A storm system will bring heavy rainfall, thunderstorms, and flooding threats to portions of the Southern Plains Friday, the Lower Mississippi Valley Saturday, and the Southeast into the Mid-Atlantic on Sunday. High elevation snow and mixed precipitation and rain in the lower elevations will impact the Pacific Northwest this weekend before a stronger system moves in early next week. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

41°F

5°C

Humidity 95%
Wind Speed W 0 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Last update 12 Feb 08:52 PM PST
Extended Forecast for

Illinois Valley OR

  • Tonight

    Tonight: Patchy dense fog after 1am. Otherwise, partly cloudy, with a low around 32. Light and variable wind.

    Low: 32 °F

    Mostly Clear
    then Patchy
    Dense Fog

  • Friday

    Friday: A 10 percent chance of rain after 4pm. Patchy dense fog before 11am. Snow level 4300 feet. Otherwise, partly sunny, with a high near 53. Calm wind becoming southwest 5 to 9 mph in the morning.

    High: 53 °F

    Patchy Dense
    Fog then
    Slight Chance
    Rain

  • Friday Night

    Friday Night: A 40 percent chance of rain, mainly after 10pm. Snow level 4300 feet. Mostly cloudy, with a low around 33. South wind 3 to 6 mph.

    Low: 33 °F

    Chance Rain

  • Saturday

    Saturday: Rain. Snow level 4100 feet rising to 5000 feet in the afternoon. High near 50. Light and variable wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 50 °F

    Rain

  • Saturday Night

    Saturday Night: Rain. Low around 32. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 32 °F

    Rain

  • Sunday

    Sunday: Rain. Snow level 4400 feet. High near 51. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly before 10pm. Snow level 4500 feet. Mostly cloudy, with a low around 32. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 32 °F

    Rain Likely
    then Chance
    Rain

  • Washington's Birthday

    Washington's Birthday: Rain, mainly after 10am. Snow level 4000 feet. Mostly cloudy, with a high near 48.

    High: 48 °F

    Rain

  • Monday Night

    Monday Night: Rain before 1am, then rain and snow. Snow level 3200 feet lowering to 2200 feet after midnight . Cloudy, with a low around 27.

    Low: 27 °F

    Rain then
    Rain/Snow

Detailed Forecast

Tonight
Patchy dense fog after 1am. Otherwise, partly cloudy, with a low around 32. Light and variable wind.
Friday
A 10 percent chance of rain after 4pm. Patchy dense fog before 11am. Snow level 4300 feet. Otherwise, partly sunny, with a high near 53. Calm wind becoming southwest 5 to 9 mph in the morning.
Friday Night
A 40 percent chance of rain, mainly after 10pm. Snow level 4300 feet. Mostly cloudy, with a low around 33. South wind 3 to 6 mph.
Saturday
Rain. Snow level 4100 feet rising to 5000 feet in the afternoon. High near 50. Light and variable wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Rain. Low around 32. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Rain. Snow level 4400 feet. High near 51. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain likely, mainly before 10pm. Snow level 4500 feet. Mostly cloudy, with a low around 32. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Washington's Birthday
Rain, mainly after 10am. Snow level 4000 feet. Mostly cloudy, with a high near 48.
Monday Night
Rain before 1am, then rain and snow. Snow level 3200 feet lowering to 2200 feet after midnight . Cloudy, with a low around 27.
Tuesday
Rain, possibly mixed with snow, becoming all rain after 4pm. Snow level 1900 feet. Cloudy, with a high near 40.
Tuesday Night
Rain and snow. Snow level 1800 feet. Cloudy, with a low around 25.
Wednesday
Rain and snow. Snow level 1700 feet rising to 2700 feet in the afternoon. Cloudy, with a high near 43.
Wednesday Night
Rain, possibly mixed with snow. Snow level 2400 feet. Cloudy, with a low around 26.
Thursday
Rain, possibly mixed with snow. Snow level 1900 feet rising to 2500 feet in the afternoon. Cloudy, with a high near 43.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Illinois Valley OR
 42.11°N 123.69°W (Elev. 1398 ft)
Last Update:
9:41 pm PST Feb 12, 2026
Forecast Valid:
9pm PST Feb 12, 2026-6pm PST Feb 19, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation