Tracking Winter Storm and Severe Weather Impacts Through This Weekend

Heavy mountain snow will continue into Thursday afternoon across the Cascades. Two fast moving storms will track from the southern Rockies to the Great Lakes Thursday and then Friday into Sunday with areas of gusty winds, and heavy snow. In the Southeast U.S., severe thunderstorms and heavy to excessive rainfall are forecast on Friday. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

33°F

1°C

Humidity 99%
Wind Speed SE 0 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 08 Jan 02:52 AM PST
Extended Forecast for

14 Miles SE Agness OR

Winter Weather Advisory January 8, 03:37am until January 8, 10:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory January 8, 03:37am until January 8, 10:00am

    NOW until 10:00am Thu

    Winter Weather Advisory

  • Overnight

    Low: 32 °F

    Chance Snow
    and Patchy
    Fog

  • Thursday

    Thursday: A chance of snow before noon, then a slight chance of rain and snow.  Partly sunny, with a high near 39. Calm wind.  Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Chance Snow
    then Slight
    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 31. East wind 6 to 9 mph.

    Low: 31 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 49. East wind around 6 mph.

    High: 49 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 35. East southeast wind around 6 mph.

    Low: 35 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 48.

    High: 48 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

Detailed Forecast

Overnight
A 50 percent chance of snow. Patchy fog between 4am and 5am. Otherwise, mostly cloudy, with a low around 32. Calm wind. Total nighttime snow accumulation of less than one inch possible.
Thursday
A chance of snow before noon, then a slight chance of rain and snow. Partly sunny, with a high near 39. Calm wind. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Thursday Night
Partly cloudy, with a low around 31. East wind 6 to 9 mph.
Friday
Sunny, with a high near 49. East wind around 6 mph.
Friday Night
Partly cloudy, with a low around 35. East southeast wind around 6 mph.
Saturday
Partly sunny, with a high near 48.
Saturday Night
Mostly cloudy, with a low around 36.
Sunday
Mostly sunny, with a high near 50.
Sunday Night
Partly cloudy, with a low around 38.
Monday
Mostly sunny, with a high near 52.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Mostly sunny, with a high near 57.
Tuesday Night
Partly cloudy, with a low around 42.
Wednesday
Sunny, with a high near 58.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles SE Agness OR
 42.42°N 123.87°W (Elev. 2461 ft)
2:56 am PST Jan 8, 2026
3am PST Jan 8, 2026-6pm PST Jan 14, 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