National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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

48°F

9°C

Humidity 46%
Wind Speed NNE 11 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Wind Chill43°F (6°C)
Last update 16 Apr 10:52 AM PDT
Extended Forecast for

8 Miles NW Cave Junction OR

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

  • Today

    Today: Sunny, with a high near 42. Northeast wind 9 to 11 mph.

    High: 42 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 31. North northeast wind around 10 mph.

    Low: 31 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 50. East northeast wind 6 to 10 mph.

    High: 50 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 44. Light and variable wind becoming west northwest around 6 mph.

    Low: 44 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 57. Southwest wind 3 to 5 mph.

    High: 57 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of rain, mainly after 11pm. Snow level 6600 feet. Mostly cloudy, with a low around 46.

    Low: 46 °F

    Chance Rain

  • Sunday

    Sunday: A 50 percent chance of rain. Snow level 6000 feet rising to 6700 feet in the afternoon. Mostly cloudy, with a high near 50.

    High: 50 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Rain likely. Snow level 6900 feet lowering to 6400 feet after midnight . Mostly cloudy, with a low around 43.

    Low: 43 °F

    Rain Likely

  • Monday

    Monday: Rain likely. Snow level 6000 feet. Mostly cloudy, with a high near 49.

    High: 49 °F

    Rain Likely

Detailed Forecast

Today
Sunny, with a high near 42. Northeast wind 9 to 11 mph.
Tonight
Mostly clear, with a low around 31. North northeast wind around 10 mph.
Friday
Mostly sunny, with a high near 50. East northeast wind 6 to 10 mph.
Friday Night
Partly cloudy, with a low around 44. Light and variable wind becoming west northwest around 6 mph.
Saturday
Mostly sunny, with a high near 57. Southwest wind 3 to 5 mph.
Saturday Night
A 30 percent chance of rain, mainly after 11pm. Snow level 6600 feet. Mostly cloudy, with a low around 46.
Sunday
A 50 percent chance of rain. Snow level 6000 feet rising to 6700 feet in the afternoon. Mostly cloudy, with a high near 50.
Sunday Night
Rain likely. Snow level 6900 feet lowering to 6400 feet after midnight . Mostly cloudy, with a low around 43.
Monday
Rain likely. Snow level 6000 feet. Mostly cloudy, with a high near 49.
Monday Night
Rain. Snow level 6000 feet lowering to 5500 feet after midnight . Mostly cloudy, with a low around 42.
Tuesday
Rain likely. Snow level 5500 feet. Mostly cloudy, with a high near 50.
Tuesday Night
Rain likely. Snow level 5500 feet. Mostly cloudy, with a low around 43.
Wednesday
Rain likely. Snow level 5300 feet. Mostly cloudy, with a high near 48.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles NW Cave Junction OR
 42.24°N 123.75°W (Elev. 4163 ft)
Last Update:
11:27 am PDT Apr 16, 2026
Forecast Valid:
11am PDT Apr 16, 2026-6pm PDT Apr 22, 2026
 
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Additional Resources

Radar & Satellite Image

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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