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

50°F

10°C

Humidity 62%
Wind Speed WSW 7 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Wind Chill47°F (8°C)
Last update 14 Apr 05:52 PM PDT
Extended Forecast for

3 Miles SE Illinois Valley OR

  • Tonight

    Tonight: Rain.  Snow level 4400 feet. Low around 41. Southwest wind 8 to 10 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Chance Rain
    then Rain

  • Wednesday

    Wednesday: Rain, mainly before 2pm.  Snow level 5500 feet lowering to 3500 feet in the afternoon . High near 50. South southwest wind 7 to 14 mph, with gusts as high as 21 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 50 °F

    Rain

  • Wednesday Night

    Wednesday Night: A chance of rain before 11pm, then a chance of rain and snow between 11pm and 2am, then a chance of snow after 2am.  Widespread frost after 5am. Snow level 3100 feet lowering to 1600 feet after midnight .  Otherwise, mostly cloudy, with a low around 31. West northwest wind 5 to 8 mph becoming calm  in the evening.  Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 31 °F

    Chance
    Rain/Snow

  • Thursday

    Thursday: Widespread frost, mainly before 8am.  Otherwise, sunny, with a high near 54. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 54 °F

    Frost then
    Sunny

  • Thursday Night

    Thursday Night: Widespread frost after 11pm.  Otherwise, mostly clear, with a low around 27. North wind around 6 mph becoming calm  in the evening.

    Low: 27 °F

    Frost

  • Friday

    Friday: Widespread frost before 11am.  Otherwise, mostly sunny, with a high near 64.

    High: 64 °F

    Frost then
    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of rain after 11am.  Partly sunny, with a high near 66.

    High: 66 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly after 11pm.  Mostly cloudy, with a low around 40.

    Low: 40 °F

    Rain Likely

Detailed Forecast

Tonight
Rain. Snow level 4400 feet. Low around 41. Southwest wind 8 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain, mainly before 2pm. Snow level 5500 feet lowering to 3500 feet in the afternoon . High near 50. South southwest wind 7 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
A chance of rain before 11pm, then a chance of rain and snow between 11pm and 2am, then a chance of snow after 2am. Widespread frost after 5am. Snow level 3100 feet lowering to 1600 feet after midnight . Otherwise, mostly cloudy, with a low around 31. West northwest wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 50%. Little or no snow accumulation expected.
Thursday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 54. Calm wind becoming north northeast around 5 mph in the afternoon.
Thursday Night
Widespread frost after 11pm. Otherwise, mostly clear, with a low around 27. North wind around 6 mph becoming calm in the evening.
Friday
Widespread frost before 11am. Otherwise, mostly sunny, with a high near 64.
Friday Night
Mostly cloudy, with a low around 35.
Saturday
A chance of rain after 11am. Partly sunny, with a high near 66.
Saturday Night
Rain likely, mainly after 11pm. Mostly cloudy, with a low around 40.
Sunday
Rain. Mostly cloudy, with a high near 55.
Sunday Night
Rain likely. Snow level 4800 feet lowering to 4200 feet after midnight . Mostly cloudy, with a low around 36.
Monday
Rain likely. Snow level 4000 feet rising to 4700 feet in the afternoon. Mostly cloudy, with a high near 55.
Monday Night
A chance of rain. Snow level 4700 feet. Mostly cloudy, with a low around 35.
Tuesday
A chance of rain. Snow level 4400 feet rising to 5300 feet in the afternoon. Partly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Illinois Valley OR
 42.08°N 123.65°W (Elev. 1644 ft)
4:41 pm PDT Apr 14, 2026
6pm PDT Apr 14, 2026-6pm PDT Apr 21, 2026
 
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Additional Resources

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