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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 >

Hazardous Weather Conditions

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

55°F

13°C

Humidity 35%
Wind Speed N 12 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Last update 16 Apr 01:52 PM PDT
Extended Forecast for

Illinois Valley OR

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

  • This Afternoon

    This Afternoon: Sunny, with a high near 55. North northeast wind around 10 mph.

    High: 55 °F

    Sunny

  • Tonight

    Tonight: Widespread frost, mainly after 2am. Otherwise, mostly clear, with a low around 32. North northeast wind 6 to 8 mph.

    Low: 32 °F

    Frost

  • Friday

    Friday: Widespread frost, mainly before 8am. Otherwise, mostly sunny, with a high near 69. North northeast wind 5 to 7 mph.

    High: 69 °F

    Frost then
    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 33. Light and variable wind.

    Low: 33 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 74. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 74 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance Rain

  • Sunday

    Sunday: A 50 percent chance of rain. Mostly cloudy, with a high near 66.

    High: 66 °F

    Chance Rain

  • 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 64.

    High: 64 °F

    Rain Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 55. North northeast wind around 10 mph.
Tonight
Widespread frost, mainly after 2am. Otherwise, mostly clear, with a low around 32. North northeast wind 6 to 8 mph.
Friday
Widespread frost, mainly before 8am. Otherwise, mostly sunny, with a high near 69. North northeast wind 5 to 7 mph.
Friday Night
Partly cloudy, with a low around 33. Light and variable wind.
Saturday
Mostly sunny, with a high near 74. Calm wind becoming southwest around 6 mph in the afternoon.
Saturday Night
A 30 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 43.
Sunday
A 50 percent chance of rain. Mostly cloudy, with a high near 66.
Sunday Night
Rain likely. Mostly cloudy, with a low around 40.
Monday
Rain likely. Mostly cloudy, with a high near 64.
Monday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 38.
Tuesday
Rain likely. Mostly cloudy, with a high near 64.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 39.
Wednesday
A chance of rain. Partly sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Illinois Valley OR
 42.11°N 123.69°W (Elev. 1398 ft)
Last Update:
11:52 am PDT Apr 16, 2026
Forecast Valid:
2pm PDT Apr 16, 2026-6pm PDT Apr 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation