Snow in the Rockies; Showers and Thunderstorms Along the Gulf Coast; Potential Winter Storm for Northern Mid-Atlantic and Interior New England

A winter-like pattern will continue over much of the Lower 48 over the next few days, with snow stretching from the Rockies today into the Middle Mississippi Valley on Monday. Showers and thunderstorms will develop along the Gulf Coast and Southeast on Monday. As the storm moves northward late Monday into Tuesday, winter weather is possible from the Central Appalachians to Interior New England. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

29°F

-2°C

Humidity 98%
Wind Speed SW 1 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Last update 01 Dec 01:52 AM PST
Extended Forecast for

17 Miles SSE Agness OR

  • Overnight

    Overnight: Partly cloudy, with a low around 40. East wind around 10 mph.

    Low: 40 °F

    Partly Cloudy

  • Monday

    Monday: Increasing clouds, with a high near 53. East northeast wind around 8 mph.

    High: 53 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 43. Northeast wind around 9 mph.

    Low: 43 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 53. North northeast wind around 8 mph.

    High: 53 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 37. East northeast wind 11 to 15 mph, with gusts as high as 23 mph.

    Low: 37 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 52.

    High: 52 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A slight chance of rain before 10pm, then a slight chance of rain after 4am.  Mostly cloudy, with a low around 45.

    Low: 45 °F

    Slight Chance
    Rain

Detailed Forecast

Overnight
Partly cloudy, with a low around 40. East wind around 10 mph.
Monday
Increasing clouds, with a high near 53. East northeast wind around 8 mph.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 43. Northeast wind around 9 mph.
Tuesday
Mostly sunny, with a high near 53. North northeast wind around 8 mph.
Tuesday Night
Partly cloudy, with a low around 37. East northeast wind 11 to 15 mph, with gusts as high as 23 mph.
Wednesday
Mostly sunny, with a high near 51.
Wednesday Night
Mostly cloudy, with a low around 44.
Thursday
Partly sunny, with a high near 52.
Thursday Night
A slight chance of rain before 10pm, then a slight chance of rain after 4am. Mostly cloudy, with a low around 45.
Friday
A chance of rain, mainly after 10am. Partly sunny, with a high near 50.
Friday Night
Rain. Mostly cloudy, with a low around 46.
Saturday
Rain. Snow level 5200 feet. Mostly cloudy, with a high near 47.
Saturday Night
Rain likely. Snow level 4600 feet. Mostly cloudy, with a low around 43.
Sunday
Rain likely. Snow level 5000 feet rising to 5800 feet in the afternoon. Mostly cloudy, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles SSE Agness OR
 42.32°N 123.96°W (Elev. 2408 ft)
2:11 am PST Dec 1, 2025
2am PST Dec 1, 2025-6pm PST Dec 7, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database