Pacific Storm System Moves Inland; Strong Storm in Alaska

A Pacific storm system will bring low elevation/valley rain and mountain snow as it moves inland to the central Great Basin through the central Rockies through Thursday. Scattered thunderstorms are likely from California into the Great Basin. A large low pressure system continues to bring snow, blizzard conditions, damaging winds, and mixed precipitation along the Bering Sea and Southwest Alaska. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

63°F

17°C

Humidity 47%
Wind Speed E 3 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 11 Feb 01:52 PM PST
Extended Forecast for

16 Miles SE Agness OR

  • This Afternoon

    This Afternoon: A 30 percent chance of rain, mainly after 3pm.  Mostly sunny, with a high near 55. East northeast wind around 5 mph.

    High: 55 °F

    Chance Rain

  • Tonight

    Tonight: Mostly clear, with a low around 42. Light northeast wind.

    Low: 42 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 53. West southwest wind 3 to 5 mph.

    High: 53 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 40. North northwest wind around 6 mph becoming light and variable  after midnight.

    Low: 40 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of rain after 10am.  Snow level 3900 feet rising to 4400 feet in the afternoon. Mostly cloudy, with a high near 51. Light and variable wind becoming west around 6 mph in the afternoon.

    High: 51 °F

    Slight Chance
    Rain

  • Friday Night

    Friday Night: Rain, mainly after 4am.  Snow level 4500 feet. Low around 42. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Chance Rain
    then Rain

  • Saturday

    Saturday: Rain.  Snow level 4400 feet. High near 45. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 45 °F

    Rain

  • Saturday Night

    Saturday Night: Rain.  Snow level 4100 feet. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Rain

  • Sunday

    Sunday: Rain.  Snow level 3700 feet. Mostly cloudy, with a high near 46.

    High: 46 °F

    Rain

Detailed Forecast

This Afternoon
A 30 percent chance of rain, mainly after 3pm. Mostly sunny, with a high near 55. East northeast wind around 5 mph.
Tonight
Mostly clear, with a low around 42. Light northeast wind.
Thursday
Mostly sunny, with a high near 53. West southwest wind 3 to 5 mph.
Thursday Night
Partly cloudy, with a low around 40. North northwest wind around 6 mph becoming light and variable after midnight.
Friday
A 20 percent chance of rain after 10am. Snow level 3900 feet rising to 4400 feet in the afternoon. Mostly cloudy, with a high near 51. Light and variable wind becoming west around 6 mph in the afternoon.
Friday Night
Rain, mainly after 4am. Snow level 4500 feet. Low around 42. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Rain. Snow level 4400 feet. High near 45. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Rain. Snow level 4100 feet. Mostly cloudy, with a low around 40.
Sunday
Rain. Snow level 3700 feet. Mostly cloudy, with a high near 46.
Sunday Night
Rain likely before 10pm, then rain likely, possibly mixed with snow. Snow level 3600 feet lowering to 3100 feet after midnight . Mostly cloudy, with a low around 38.
Washington's Birthday
Rain, possibly mixed with snow. Snow level 2700 feet. Mostly cloudy, with a high near 43.
Monday Night
Rain and snow. Cloudy, with a low around 36.
Tuesday
Rain and snow. Cloudy, with a high near 41.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles SE Agness OR
 42.4°N 123.83°W (Elev. 2582 ft)
12:42 pm PST Feb 11, 2026
2pm PST Feb 11, 2026-6pm PST Feb 17, 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