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

47°F

8°C

Humidity 72%
Wind Speed SSW 5 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Wind Chill45°F (7°C)
Last update 14 Apr 09:52 PM PDT
Extended Forecast for

Illinois Valley OR

Freeze Watch April 17, 03:00am until April 17, 09:00am
Click here for hazard details and duration
Freeze Watch
  • Tonight

    Tonight: Rain.  Snow level 4500 feet. Steady temperature around 45. South southwest wind 8 to 10 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 45 °F

    Chance Rain
    then Rain

  • Wednesday

    Wednesday: Rain, mainly before 2pm.  Snow level 5500 feet lowering to 3500 feet in the afternoon . High near 51. South southwest wind 7 to 13 mph becoming west in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 51 °F

    Rain

  • Wednesday Night

    Wednesday Night: A chance of rain before 11pm, then a chance of rain and snow.  Snow level 3100 feet lowering to 1600 feet after midnight . Mostly cloudy, with a low around 32. West northwest wind 5 to 8 mph becoming calm  in the evening.  Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 32 °F

    Chance
    Rain/Snow

  • Thursday

    Thursday: Areas of frost before 11am.  Otherwise, sunny, with a high near 55. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 55 °F

    Areas Frost
    then Sunny

  • Thursday Night

    Thursday Night: Widespread frost after 11pm.  Otherwise, mostly clear, with a low around 28. North wind around 6 mph becoming calm  in the evening.

    Low: 28 °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 67.

    High: 67 °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 4500 feet. Steady temperature around 45. South 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 51. South southwest wind 7 to 13 mph becoming west in the afternoon. Winds could gust as high as 20 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. Snow level 3100 feet lowering to 1600 feet after midnight . Mostly cloudy, with a low around 32. West northwest wind 5 to 8 mph becoming calm in the evening. Chance of precipitation is 50%. Little or no snow accumulation expected.
Thursday
Areas of frost before 11am. Otherwise, sunny, with a high near 55. Calm wind becoming north northeast around 5 mph in the afternoon.
Thursday Night
Widespread frost after 11pm. Otherwise, mostly clear, with a low around 28. 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 67.
Saturday Night
Rain likely, mainly after 11pm. Mostly cloudy, with a low around 40.
Sunday
Rain. Mostly cloudy, with a high near 56.
Sunday Night
Rain. 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 56.
Monday Night
A chance of rain. 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:
Illinois Valley OR
 42.09°N 123.68°W (Elev. 1394 ft)
8:46 pm PDT Apr 14, 2026
10pm PDT Apr 14, 2026-6pm PDT Apr 21, 2026
 
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Additional Resources

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