Sinlaku Continues to Impact the Marianas; Severe Weather for the Central Plains and Northeast; Record Warmth for mid-Atlantic to Southeast

Sinlaku continues to affect the Marianas as it moves north through Friday. Meanwhile, severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley today and for the Central/Southern Plains on Friday. Considerable flooding impacts are ongoing in the Upper Great Lakes, and expected to continue through the weekend. Fire weather concerns persist in the Plains. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

47°F

8°C

Humidity 58%
Wind Speed NNE 6 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Wind Chill44°F (7°C)
Last update 16 Apr 09:52 AM PDT
Extended Forecast for

3 Miles SE Illinois Valley OR

Freeze Warning April 17, 12:00am until April 17, 11:00am
Click here for hazard details and duration
Freeze Warning
  • Today

    Today: Widespread frost before 11am.  Otherwise, sunny, with a high near 54. North northeast wind 5 to 10 mph.

    High: 54 °F

    Frost then
    Sunny

  • Tonight

    Tonight: Widespread frost after 11pm.  Otherwise, mostly clear, with a low around 26. North northeast wind 5 to 7 mph becoming calm  in the evening.

    Low: 26 °F

    Frost

  • Friday

    Friday: Widespread frost before 11am.  Otherwise, mostly sunny, with a high near 66. Calm wind.

    High: 66 °F

    Frost then
    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 70. Light south wind.

    High: 70 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of rain, mainly after 11pm.  Mostly cloudy, with a low around 42.

    Low: 42 °F

    Chance Rain

  • Sunday

    Sunday: Rain likely.  Mostly cloudy, with a high near 61. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 61 °F

    Rain Likely

  • Sunday Night

    Sunday Night: Rain likely.  Mostly cloudy, with a low around 40.

    Low: 40 °F

    Rain Likely

  • Monday

    Monday: Rain likely.  Mostly cloudy, with a high near 60.

    High: 60 °F

    Rain Likely

Detailed Forecast

Today
Widespread frost before 11am. Otherwise, sunny, with a high near 54. North northeast wind 5 to 10 mph.
Tonight
Widespread frost after 11pm. Otherwise, mostly clear, with a low around 26. North northeast wind 5 to 7 mph becoming calm in the evening.
Friday
Widespread frost before 11am. Otherwise, mostly sunny, with a high near 66. Calm wind.
Friday Night
Partly cloudy, with a low around 36. Calm wind.
Saturday
Mostly sunny, with a high near 70. Light south wind.
Saturday Night
A 40 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 42.
Sunday
Rain likely. Mostly cloudy, with a high near 61. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain likely. Mostly cloudy, with a low around 40.
Monday
Rain likely. Mostly cloudy, with a high near 60.
Monday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 38.
Tuesday
Rain likely. Mostly cloudy, with a high near 58.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 38.
Wednesday
A chance of rain. 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)
10:47 am PDT Apr 16, 2026
10am PDT Apr 16, 2026-6pm PDT Apr 22, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database