Tracking Severe Thunderstorms and Excessive Rainfall in the Southern U.S.; Winter Storm to Impact the Northern U.S.

A storm system will shift from eastern Texas into the lower Mississippi Valley Monday with additional threats of severe thunderstorms and heavy to excessive rainfall which may bring flooding. A Flood Watch remains in effect. In the northern U.S., a storm will bring heavy snow and gusty winds over parts of the northern Rockies, northern Plains, and Upper Midwest Monday into Wednesday. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

40°F

4°C

Humidity 97%
Wind Speed W 0 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Last update 23 Nov 05:52 PM PST
Extended Forecast for

11 Miles SE Agness OR

  • Tonight

    Tonight: Rain.  Patchy dense fog before 1am, then patchy dense fog after 4am. Snow level 7600 feet lowering to 5400 feet after midnight . Low around 40. West southwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 40 °F

    Rain and
    Patchy Fog
    then Rain
    Likely and
    Patchy Dense
    Fog

  • Monday

    Monday: Patchy dense fog before 9am.  Otherwise, partly sunny, with a high near 43. Light and variable wind.

    High: 43 °F

    Patchy Dense
    Fog then
    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 36. East wind around 7 mph.

    Low: 36 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 48. East southeast wind around 6 mph becoming light and variable  in the afternoon.

    High: 48 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain.  Snow level 6500 feet rising to 7500 feet after midnight. Mostly cloudy, with a low around 41. South wind 6 to 8 mph.

    Low: 41 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: A 30 percent chance of rain.  Partly sunny, with a high near 49.

    High: 49 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain.  Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance Rain

  • Thanksgiving Day

    Thanksgiving Day: Rain likely.  Mostly cloudy, with a high near 46.

    High: 46 °F

    Rain Likely

  • Thursday Night

    Thursday Night: Rain likely, mainly before 10pm.  Snow level 6400 feet lowering to 5600 feet after midnight . Mostly cloudy, with a low around 41.

    Low: 41 °F

    Rain Likely

Detailed Forecast

Tonight
Rain. Patchy dense fog before 1am, then patchy dense fog after 4am. Snow level 7600 feet lowering to 5400 feet after midnight . Low around 40. West southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Patchy dense fog before 9am. Otherwise, partly sunny, with a high near 43. Light and variable wind.
Monday Night
Partly cloudy, with a low around 36. East wind around 7 mph.
Tuesday
Partly sunny, with a high near 48. East southeast wind around 6 mph becoming light and variable in the afternoon.
Tuesday Night
A 20 percent chance of rain. Snow level 6500 feet rising to 7500 feet after midnight. Mostly cloudy, with a low around 41. South wind 6 to 8 mph.
Wednesday
A 30 percent chance of rain. Partly sunny, with a high near 49.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 43.
Thanksgiving Day
Rain likely. Mostly cloudy, with a high near 46.
Thursday Night
Rain likely, mainly before 10pm. Snow level 6400 feet lowering to 5600 feet after midnight . Mostly cloudy, with a low around 41.
Friday
A chance of rain. Snow level 4900 feet. Partly sunny, with a high near 44.
Friday Night
A chance of rain. Snow level 4400 feet. Mostly cloudy, with a low around 39.
Saturday
A chance of rain and snow. Snow level 4100 feet. Mostly cloudy, with a high near 41.
Saturday Night
A chance of rain and snow. Snow level 4300 feet. Mostly cloudy, with a low around 35.
Sunday
A slight chance of rain and snow. Snow level 4000 feet rising to 4600 feet in the afternoon. Mostly sunny, with a high near 41.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles SE Agness OR
 42.44°N 123.9°W (Elev. 3671 ft)
3:41 pm PST Nov 23, 2025
6pm PST Nov 23, 2025-6pm PST Nov 30, 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