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

45°F

7°C

Humidity 96%
Wind Speed WSW 6 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Wind Chill42°F (6°C)
Last update 15 Apr 06:52 AM PDT
Extended Forecast for

11 Miles WSW Wilderville OR

Freeze Watch April 17, 03:00am until April 17, 09:00am
Frost Advisory April 16, 03:00am until April 16, 09:00am
Click here for hazard details and duration
Freeze Watch
Frost Advisory
  • Today

    Today: Rain, possibly mixed with snow before 1pm, then a chance of snow between 1pm and 3pm.  Snow level 5700 feet lowering to 4200 feet in the afternoon . High near 40. South southwest wind 11 to 21 mph becoming west northwest in the afternoon. Winds could gust as high as 31 mph.  Chance of precipitation is 100%. Total daytime snow accumulation of less than a half inch possible.

    High: 40 °F

    Rain/Snow
    then
    Rain/Snow
    Likely

  • Tonight

    Tonight: A 50 percent chance of snow, mainly between 9pm and 1am.  Partly cloudy, with a low around 27. Northwest wind 6 to 14 mph, with gusts as high as 21 mph.  New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Chance Snow
    then Slight
    Chance Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 42. West northwest wind 6 to 11 mph becoming north northeast 12 to 17 mph in the morning. Winds could gust as high as 26 mph.

    High: 42 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 31. North wind 11 to 17 mph, with gusts as high as 26 mph.

    Low: 31 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 53. Northeast wind 7 to 10 mph.

    High: 53 °F

    Mostly Sunny

  • Friday Night

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

    Low: 39 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of rain after 11am.  Snow level 5100 feet rising to 6800 feet in the afternoon. Partly sunny, with a high near 55.

    High: 55 °F

    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly after 11pm.  Snow level 7100 feet lowering to 6300 feet after midnight . Mostly cloudy, with a low around 45.

    Low: 45 °F

    Rain Likely

  • Sunday

    Sunday: Rain likely.  Snow level 5500 feet. Mostly cloudy, with a high near 49.

    High: 49 °F

    Rain Likely

Detailed Forecast

Today
Rain, possibly mixed with snow before 1pm, then a chance of snow between 1pm and 3pm. Snow level 5700 feet lowering to 4200 feet in the afternoon . High near 40. South southwest wind 11 to 21 mph becoming west northwest in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 100%. Total daytime snow accumulation of less than a half inch possible.
Tonight
A 50 percent chance of snow, mainly between 9pm and 1am. Partly cloudy, with a low around 27. Northwest wind 6 to 14 mph, with gusts as high as 21 mph. New snow accumulation of less than a half inch possible.
Thursday
Mostly sunny, with a high near 42. West northwest wind 6 to 11 mph becoming north northeast 12 to 17 mph in the morning. Winds could gust as high as 26 mph.
Thursday Night
Mostly clear, with a low around 31. North wind 11 to 17 mph, with gusts as high as 26 mph.
Friday
Mostly sunny, with a high near 53. Northeast wind 7 to 10 mph.
Friday Night
Partly cloudy, with a low around 39.
Saturday
A 20 percent chance of rain after 11am. Snow level 5100 feet rising to 6800 feet in the afternoon. Partly sunny, with a high near 55.
Saturday Night
Rain likely, mainly after 11pm. Snow level 7100 feet lowering to 6300 feet after midnight . Mostly cloudy, with a low around 45.
Sunday
Rain likely. Snow level 5500 feet. Mostly cloudy, with a high near 49.
Sunday Night
Rain likely, mainly before 11pm. Snow level 5500 feet lowering to 5000 feet after midnight . Mostly cloudy, with a low around 43.
Monday
A chance of rain. Snow level 4900 feet rising to 5600 feet in the afternoon. Partly sunny, with a high near 53.
Monday Night
A chance of rain. Snow level 5900 feet lowering to 5400 feet after midnight . Mostly cloudy, with a low around 43.
Tuesday
A chance of rain. Snow level 5200 feet rising to 6000 feet in the afternoon. Partly sunny, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles WSW Wilderville OR
 42.34°N 123.66°W (Elev. 4183 ft)
5:56 am PDT Apr 15, 2026
7am PDT Apr 15, 2026-6pm PDT Apr 21, 2026
 
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Additional Resources

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