Heavy Rain in the Southern U.S.; Active Weather Continues in Alaska

A storm system will bring heavy rainfall, thunderstorms, and flooding threats to portions of the Southern Plains today, the Lower Mississippi Valley Saturday, and the Southeast into the Mid-Atlantic on Sunday. Another Bering system will impact the Alaskan West Coast and Central Interior through the weekend bringing moderate to heavy snow, high winds, and/or some blizzard conditions. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

42°F

6°C

Humidity 99%
Wind Speed NE 1 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 15 Feb 08:52 AM PST
Extended Forecast for

9 Miles WNW Illinois Valley OR

Winter Storm Watch February 16, 10:00pm until February 17, 10:00pm
Click here for hazard details and duration
Winter Storm Watch
  • Today

    Today: Rain.  Snow level 4800 feet rising to 5300 feet in the afternoon. High near 43. East wind 6 to 8 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 43 °F

    Rain

  • Tonight

    Tonight: Rain likely, possibly mixed with snow before 2am, then rain likely between 2am and 3am, then rain, possibly mixed with snow after 3am.  Snow level 5000 feet lowering to 4300 feet after midnight . Low around 35. Light and variable wind becoming south southwest 5 to 8 mph in the evening.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 35 °F

    Rain Likely
    then
    Rain/Snow

  • Washington's Birthday

    Washington's Birthday: Snow, possibly mixed with rain, becoming all snow after 1pm.  Snow level 3900 feet lowering to 3400 feet in the afternoon . Temperature falling to around 34 by 5pm. Southwest wind 7 to 10 mph becoming west northwest in the afternoon.  Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Rain/Snow

  • Monday Night

    Monday Night: Snow before 10pm, then snow showers between 10pm and 4am, then snow after 4am. The snow could be heavy at times. Some thunder is also possible.  Low around 29. Southwest wind 7 to 15 mph, with gusts as high as 23 mph.  Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.

    Low: 29 °F

    Heavy Snow

  • Tuesday

    Tuesday: Snow before 10am, then snow showers between 10am and 1pm, then snow after 1pm. The snow could be heavy at times. Some thunder is also possible.  High near 30. Southwest wind 11 to 14 mph, with gusts as high as 21 mph.  Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    High: 30 °F

    Heavy Snow

  • Tuesday Night

    Tuesday Night: Snow before 10pm, then snow showers after 10pm. Some thunder is also possible.  Low around 25. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 25 °F

    Snow

  • Wednesday

    Wednesday: Snow.  High near 32. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    High: 32 °F

    Snow

  • Wednesday Night

    Wednesday Night: Snow. The snow could be heavy at times.  Cloudy, with a low around 29.

    Low: 29 °F

    Heavy Snow

  • Thursday

    Thursday: Snow. The snow could be heavy at times.  Cloudy, with a high near 33.

    High: 33 °F

    Heavy Snow

Detailed Forecast

Today
Rain. Snow level 4800 feet rising to 5300 feet in the afternoon. High near 43. East wind 6 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain likely, possibly mixed with snow before 2am, then rain likely between 2am and 3am, then rain, possibly mixed with snow after 3am. Snow level 5000 feet lowering to 4300 feet after midnight . Low around 35. Light and variable wind becoming south southwest 5 to 8 mph in the evening. Chance of precipitation is 80%. Little or no snow accumulation expected.
Washington's Birthday
Snow, possibly mixed with rain, becoming all snow after 1pm. Snow level 3900 feet lowering to 3400 feet in the afternoon . Temperature falling to around 34 by 5pm. Southwest wind 7 to 10 mph becoming west northwest in the afternoon. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Monday Night
Snow before 10pm, then snow showers between 10pm and 4am, then snow after 4am. The snow could be heavy at times. Some thunder is also possible. Low around 29. Southwest wind 7 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.
Tuesday
Snow before 10am, then snow showers between 10am and 1pm, then snow after 1pm. The snow could be heavy at times. Some thunder is also possible. High near 30. Southwest wind 11 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Tuesday Night
Snow before 10pm, then snow showers after 10pm. Some thunder is also possible. Low around 25. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Wednesday
Snow. High near 32. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Wednesday Night
Snow. The snow could be heavy at times. Cloudy, with a low around 29.
Thursday
Snow. The snow could be heavy at times. Cloudy, with a high near 33.
Thursday Night
Snow. Mostly cloudy, with a low around 26.
Friday
Snow. The snow could be heavy at times. Mostly cloudy, with a high near 35.
Friday Night
Snow. Mostly cloudy, with a low around 31.
Saturday
Snow. Mostly cloudy, with a high near 37.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles WNW Illinois Valley OR
 42.15°N 123.85°W (Elev. 3356 ft)
7:37 am PST Feb 15, 2026
9am PST Feb 15, 2026-6pm PST Feb 21, 2026
 
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Additional Resources

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