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

Clipper to Impact the Great Lakes and Northeast with Blast of Winter Weather

A strengthening clipper storm will shift across southeastern Canada Wednesday and Thursday with a arctic cold front crossing the Great Lakes and Northeast which will produce intense bursts of snow and gusty winds. Localized short-duration blizzard conditions will be possible with several feet of additional lake effect snow in the Great Lakes. Dry and warm conditions are expected in the West. Read More >

Hazardous Weather Conditions

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

32°F

0°C

Humidity 100%
Wind Speed NA 0 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 03 Dec 10:52 PM PST
Extended Forecast for

15 Miles SSE Agness OR

Air Stagnation Advisory December 3, 11:44pm until December 6, 04:00pm
Click here for hazard details and duration
Air Stagnation Advisory
  •  
    Air Stagnation Advisory December 3, 11:44pm until December 6, 04:00pm

    NOW until 4:00pm Fri

    Air Stagnation Advisory

  • Tonight

    Low: 47 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 57. South southwest wind around 6 mph.

    High: 57 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 45. South wind around 7 mph.

    Low: 45 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Cloudy through mid morning, then gradual clearing, with a high near 54. South southeast wind around 5 mph becoming calm in the morning.

    High: 54 °F

    Gradual
    Clearing

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 43. East wind 8 to 11 mph.

    Low: 43 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 52.

    High: 52 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of rain after 4am. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday

    Saturday: Rain likely, mainly after 10am. Mostly cloudy, with a high near 46.

    High: 46 °F

    Rain Likely

Detailed Forecast

Tonight
Clear, with a low around 47. East wind around 6 mph.
Wednesday
Sunny, with a high near 57. South southwest wind around 6 mph.
Wednesday Night
Increasing clouds, with a low around 45. South wind around 7 mph.
Thursday
Cloudy through mid morning, then gradual clearing, with a high near 54. South southeast wind around 5 mph becoming calm in the morning.
Thursday Night
Partly cloudy, with a low around 43. East wind 8 to 11 mph.
Friday
Partly sunny, with a high near 52.
Friday Night
A 30 percent chance of rain after 4am. Mostly cloudy, with a low around 43.
Saturday
Rain likely, mainly after 10am. Mostly cloudy, with a high near 46.
Saturday Night
A chance of rain. Snow level 6000 feet lowering to 4500 feet after midnight . Mostly cloudy, with a low around 36.
Sunday
A chance of rain and snow. Snow level 4100 feet. Partly sunny, with a high near 39.
Sunday Night
A chance of rain and snow. Snow level 4100 feet. Partly cloudy, with a low around 34.
Monday
Sunny, with a high near 41.
Monday Night
Mostly clear, with a low around 33.
Tuesday
Mostly sunny, with a high near 42.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
15 Miles SSE Agness OR
 42.36°N 123.94°W (Elev. 3681 ft)
Last Update:
9:41 pm PST Dec 3, 2024
Forecast Valid:
11pm PST Dec 3, 2024-6pm PST Dec 10, 2024
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation