Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

49°F

9°C

Humidity 68%
Wind Speed WSW 4 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Wind Chill48°F (9°C)
Last update 14 Apr 07:52 PM PDT
Extended Forecast for

9 Miles WNW Illinois Valley OR

  • Tonight

    Tonight: Rain.  Snow level 4800 feet. Low around 37. Southwest wind 10 to 16 mph, with gusts as high as 24 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 37 °F

    Rain Likely
    then Rain

  • Wednesday

    Wednesday: Rain, mainly before 2pm.  Snow level 5900 feet lowering to 3600 feet in the afternoon . High near 40. South southwest wind 10 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph.  Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 40 °F

    Rain

  • Wednesday Night

    Wednesday Night: Snow likely, mainly before 11pm.  Mostly cloudy, with a low around 28. North northwest wind 5 to 13 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Snow Likely

  • Thursday

    Thursday: A 20 percent chance of snow before 11am.  Sunny, with a high near 46. North wind 6 to 13 mph, with gusts as high as 20 mph.

    High: 46 °F

    Slight Chance
    Snow then
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 32. East northeast wind around 11 mph.

    Low: 32 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of rain, mainly after 11am.  Snow level 4500 feet rising to 6200 feet in the afternoon. Partly sunny, with a high near 53.

    High: 53 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Rain likely.  Snow level 6500 feet lowering to 5700 feet after midnight . Mostly cloudy, with a low around 42.

    Low: 42 °F

    Rain Likely

Detailed Forecast

Tonight
Rain. Snow level 4800 feet. Low around 37. Southwest wind 10 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain, mainly before 2pm. Snow level 5900 feet lowering to 3600 feet in the afternoon . High near 40. South southwest wind 10 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Wednesday Night
Snow likely, mainly before 11pm. Mostly cloudy, with a low around 28. North northwest wind 5 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Thursday
A 20 percent chance of snow before 11am. Sunny, with a high near 46. North wind 6 to 13 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 32. East northeast wind around 11 mph.
Friday
Sunny, with a high near 54.
Friday Night
Mostly cloudy, with a low around 39.
Saturday
A chance of rain, mainly after 11am. Snow level 4500 feet rising to 6200 feet in the afternoon. Partly sunny, with a high near 53.
Saturday Night
Rain likely. Snow level 6500 feet lowering to 5700 feet after midnight . Mostly cloudy, with a low around 42.
Sunday
Rain. Snow level 5200 feet lowering to 4600 feet. Cloudy, with a high near 44.
Sunday Night
Rain. Snow level 4400 feet. Mostly cloudy, with a low around 39.
Monday
Rain likely. Snow level 4000 feet rising to 4600 feet in the afternoon. Mostly cloudy, with a high near 45.
Monday Night
A chance of rain. Snow level 4600 feet. Mostly cloudy, with a low around 38.
Tuesday
A chance of rain. Snow level 4400 feet rising to 5100 feet in the afternoon. Partly sunny, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles WNW Illinois Valley OR
 42.15°N 123.85°W (Elev. 3356 ft)
7:27 pm PDT Apr 14, 2026
8pm PDT Apr 14, 2026-6pm PDT Apr 21, 2026
 
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Additional Resources

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