Heavy Snow in the Central/Southern Rockies; Below Average Temperatures in the Central and Eastern US

Moderate to heavy snowfall is expected in the central/southern Rockies and adjacent High Plains today. Lake-enhanced snowfall is expected downwind of the Great Lakes today. Showers and thunderstorms will be possible this evening into tonight across the western Gulf Coast states. Temperatures across much of the central and eastern CONUS will remain below average and chilly to end the week. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

49°F

9°C

Humidity 61%
Wind Speed NE 3 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Last update 03 Dec 02:52 PM PST
Extended Forecast for

17 Miles SSE Agness OR

  • Tonight

    Tonight: Partly cloudy, with a low around 43. Northeast wind 6 to 8 mph.

    Low: 43 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of rain, mainly after 3pm.  Partly sunny, with a high near 53. East northeast wind around 5 mph becoming light and variable.

    High: 53 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly after 10pm.  Mostly cloudy, with a low around 48. Light northeast wind.  Chance of precipitation is 60%.

    Low: 48 °F

    Rain Likely

  • Friday

    Friday: Rain.  High near 49. Light and variable wind becoming west around 5 mph in the afternoon.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 49 °F

    Rain

  • Friday Night

    Friday Night: Rain.  Low around 47. Southwest wind around 6 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 47 °F

    Rain

  • Saturday

    Saturday: Rain.  High near 47. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 47 °F

    Rain

  • Saturday Night

    Saturday Night: Rain likely.  Mostly cloudy, with a low around 46. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 46 °F

    Rain Likely

  • Sunday

    Sunday: Rain likely.  Mostly cloudy, with a high near 49.

    High: 49 °F

    Rain Likely

  • Sunday Night

    Sunday Night: A chance of rain.  Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance Rain

Detailed Forecast

Tonight
Partly cloudy, with a low around 43. Northeast wind 6 to 8 mph.
Thursday
A 30 percent chance of rain, mainly after 3pm. Partly sunny, with a high near 53. East northeast wind around 5 mph becoming light and variable.
Thursday Night
Rain likely, mainly after 10pm. Mostly cloudy, with a low around 48. Light northeast wind. Chance of precipitation is 60%.
Friday
Rain. High near 49. Light and variable wind becoming west around 5 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Rain. Low around 47. Southwest wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Rain. High near 47. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Rain likely. Mostly cloudy, with a low around 46. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain likely. Mostly cloudy, with a high near 49.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 46.
Monday
A chance of rain. Partly sunny, with a high near 51.
Monday Night
A chance of rain. Mostly cloudy, with a low around 46.
Tuesday
A chance of rain. Mostly cloudy, with a high near 51.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 49.
Wednesday
A chance of rain. Partly sunny, with a high near 53.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles SSE Agness OR
 42.32°N 123.96°W (Elev. 2408 ft)
2:21 pm PST Dec 3, 2025
3pm PST Dec 3, 2025-6pm PST Dec 10, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database