Coastal Storm Along the East Coast; Pacific Storm System in the West on Friday

A strengthening coastal storm will bring soaking rains to portions of the Mid-Atlantic and Northeast, with accumulating snow likely across the higher elevations of northern New England through Friday. A Pacific storm system will bring heavy low elevation rain, and gusty winds to northern California and the Pacific Northwest, as well as possible blizzard conditions to the Sierra Nevada on Friday. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

Lat: 42.10386°NLon: 123.68519°WElev: 1389.0ft.

NA

44°F

7°C

Humidity 100%
Wind Speed NNW 0 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Last update 12 Nov 05:52 AM PST
Extended Forecast for

15 Miles SSE Agness OR

  • Today

    Today: Partly sunny, with a high near 53. South southwest wind 5 to 11 mph.

    High: 53 °F

    Partly Sunny

  • Tonight

    Tonight: Rain, mainly after 2am.  Low around 39. Breezy, with a south wind 9 to 14 mph increasing to 21 to 26 mph after midnight. Winds could gust as high as 40 mph.  Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 39 °F

    Breezy.
    Chance Rain
    then Rain

  • Friday

    Friday: Rain, mainly before 4pm, then showers and possibly a thunderstorm after 4pm.  Snow level 6100 feet lowering to 5100 feet. Temperature falling to around 39 by 5pm. Breezy, with a south wind 21 to 26 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 40 mph.  Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    High: 50 °F⇓

    Showers and
    Breezy

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 10pm, then rain after 10pm.  Snow level 5500 feet. Low around 39. South southwest wind 16 to 18 mph, with gusts as high as 28 mph.  Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 39 °F

    Showers

  • Saturday

    Saturday: Rain.  Snow level 6200 feet. High near 47. South wind 14 to 16 mph, with gusts as high as 30 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 47 °F

    Rain then
    Rain Likely

  • Saturday Night

    Saturday Night: Rain.  Low around 40. Breezy.  Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 40 °F

    Rain and
    Breezy

  • Sunday

    Sunday: Showers and possibly a thunderstorm.  Snow level 6300 feet lowering to 5600 feet in the afternoon . High near 47. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 47 °F

    Showers

  • Sunday Night

    Sunday Night: Rain, mainly before 4am.  Snow level 4700 feet. Mostly cloudy, with a low around 38.

    Low: 38 °F

    Rain

  • Monday

    Monday: Rain likely, mainly between 10am and 4pm.  Snow level 4400 feet. Partly sunny, with a high near 40.

    High: 40 °F

    Rain Likely

Detailed Forecast

Today
Partly sunny, with a high near 53. South southwest wind 5 to 11 mph.
Tonight
Rain, mainly after 2am. Low around 39. Breezy, with a south wind 9 to 14 mph increasing to 21 to 26 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
Rain, mainly before 4pm, then showers and possibly a thunderstorm after 4pm. Snow level 6100 feet lowering to 5100 feet. Temperature falling to around 39 by 5pm. Breezy, with a south wind 21 to 26 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Friday Night
Showers and possibly a thunderstorm before 10pm, then rain after 10pm. Snow level 5500 feet. Low around 39. South southwest wind 16 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday
Rain. Snow level 6200 feet. High near 47. South wind 14 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Rain. Low around 40. Breezy. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
Showers and possibly a thunderstorm. Snow level 6300 feet lowering to 5600 feet in the afternoon . High near 47. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
Rain, mainly before 4am. Snow level 4700 feet. Mostly cloudy, with a low around 38.
Monday
Rain likely, mainly between 10am and 4pm. Snow level 4400 feet. Partly sunny, with a high near 40.
Monday Night
A slight chance of rain before 10pm. Snow level 4300 feet. Partly cloudy, with a low around 33.
Tuesday
A chance of rain. Snow level 4200 feet. Mostly sunny, with a high near 42.
Tuesday Night
Rain and snow. Snow level 4500 feet. Mostly cloudy, with a low around 35.
Wednesday
Rain and snow. Snow level 4400 feet. Mostly cloudy, with a high near 37.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles SSE Agness OR
 42.36°N 123.94°W (Elev. 3681 ft)
6:31 am PST Nov 12, 2026
6am PST Nov 12, 2026-6pm PST Nov 18, 2026
 
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Additional Resources

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