Heavy Snow Across the Northern Plains and Great Lakes; Strong Winds for the East

Travel conditions will be challenging across the northern Plains, Great Lakes and east coast through Thanksgiving holiday weekend. Heavy snow, blizzard conditions, for the upper Midwest and Great Lakes region through Thanksgiving to be followed by another strong storm for the Plains, Great Lakes and Northeast this weekend. Strong winds are expected with these systems adding to travel difficulties Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

35°F

2°C

Humidity 98%
Wind Speed NW 0 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Last update 26 Nov 07:52 AM PST
Extended Forecast for

11 Miles SE Agness OR

  • Today

    Today: Sunny, with a high near 52. Light and variable wind.

    High: 52 °F

    Sunny

  • Tonight

    Tonight: A 30 percent chance of rain, mainly after 4am.  Snow level 6000 feet. Partly cloudy, with a low around 42. Light north wind.

    Low: 42 °F

    Chance Rain

  • Thanksgiving Day

    Thanksgiving Day: Rain likely, mainly after 10am.  Snow level 8200 feet lowering to 6700 feet in the afternoon . Mostly cloudy, with a high near 46. Calm wind becoming south southwest 5 to 7 mph in the morning.  Chance of precipitation is 70%.

    High: 46 °F

    Rain Likely

  • Thursday Night

    Thursday Night: Rain likely, mainly before 10pm.  Snow level 5900 feet. Mostly cloudy, with a low around 39. West southwest wind around 5 mph becoming calm  after midnight.  Chance of precipitation is 70%.

    Low: 39 °F

    Rain Likely
    then Chance
    Rain

  • Friday

    Friday: A 30 percent chance of rain before 10am.  Snow level 5700 feet. Partly sunny, with a high near 45. Calm wind becoming east northeast 5 to 7 mph in the morning.

    High: 45 °F

    Chance Rain
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 52. Light and variable wind.
Tonight
A 30 percent chance of rain, mainly after 4am. Snow level 6000 feet. Partly cloudy, with a low around 42. Light north wind.
Thanksgiving Day
Rain likely, mainly after 10am. Snow level 8200 feet lowering to 6700 feet in the afternoon . Mostly cloudy, with a high near 46. Calm wind becoming south southwest 5 to 7 mph in the morning. Chance of precipitation is 70%.
Thursday Night
Rain likely, mainly before 10pm. Snow level 5900 feet. Mostly cloudy, with a low around 39. West southwest wind around 5 mph becoming calm after midnight. Chance of precipitation is 70%.
Friday
A 30 percent chance of rain before 10am. Snow level 5700 feet. Partly sunny, with a high near 45. Calm wind becoming east northeast 5 to 7 mph in the morning.
Friday Night
Partly cloudy, with a low around 36.
Saturday
Partly sunny, with a high near 46.
Saturday Night
Partly cloudy, with a low around 35.
Sunday
Mostly sunny, with a high near 45.
Sunday Night
Mostly clear, with a low around 35.
Monday
Sunny, with a high near 49.
Monday Night
Partly cloudy, with a low around 39.
Tuesday
Mostly sunny, with a high near 47.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles SE Agness OR
 42.44°N 123.9°W (Elev. 3671 ft)
3:40 am PST Nov 26, 2025
8am PST Nov 26, 2025-6pm PST Dec 2, 2025
 
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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