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

Severe Weather for Northeast Southeastward into the Southern Plains; Flooding in the Upper Great Lakes

Severe thunderstorms are expected from the Northeast to Texas through the night 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 and the mid-Atlantic. There is late-season snow over the Northern/Central Rockies and the Northern Plains. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

34°F

1°C

Humidity 84%
Wind Speed WSW 0 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Last update 17 Apr 12:52 AM PDT
Extended Forecast for

15 Miles ESE Cave Junction OR

  • Overnight

    Overnight: Clear, with a steady temperature around 34. East northeast wind around 6 mph.

    Low: 34 °F

    Clear

  • Friday

    Friday: Mostly sunny, with a high near 56. Calm wind becoming north around 5 mph in the afternoon.

    High: 56 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 43. Calm wind becoming south southwest around 6 mph after midnight.

    Low: 43 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 63. West southwest wind 3 to 8 mph.

    High: 63 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 47. West wind 7 to 10 mph becoming south after midnight.

    Low: 47 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 20 percent chance of rain. Snow level 6100 feet rising to 7000 feet in the afternoon. Mostly cloudy, with a high near 60.

    High: 60 °F

    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: A 50 percent chance of rain. Snow level 7200 feet lowering to 6400 feet after midnight . Mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance Rain

  • Monday

    Monday: Rain likely, mainly after 11am. Snow level 6000 feet. Mostly cloudy, with a high near 53.

    High: 53 °F

    Rain Likely

  • Monday Night

    Monday Night: Rain. Snow level 6000 feet lowering to 5300 feet after midnight . Mostly cloudy, with a low around 40.

    Low: 40 °F

    Rain

Detailed Forecast

Overnight
Clear, with a steady temperature around 34. East northeast wind around 6 mph.
Friday
Mostly sunny, with a high near 56. Calm wind becoming north around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 43. Calm wind becoming south southwest around 6 mph after midnight.
Saturday
Mostly sunny, with a high near 63. West southwest wind 3 to 8 mph.
Saturday Night
Mostly cloudy, with a low around 47. West wind 7 to 10 mph becoming south after midnight.
Sunday
A 20 percent chance of rain. Snow level 6100 feet rising to 7000 feet in the afternoon. Mostly cloudy, with a high near 60.
Sunday Night
A 50 percent chance of rain. Snow level 7200 feet lowering to 6400 feet after midnight . Mostly cloudy, with a low around 44.
Monday
Rain likely, mainly after 11am. Snow level 6000 feet. Mostly cloudy, with a high near 53.
Monday Night
Rain. Snow level 6000 feet lowering to 5300 feet after midnight . Mostly cloudy, with a low around 40.
Tuesday
Rain, mainly after 11am. Snow level 5300 feet. Mostly cloudy, with a high near 51.
Tuesday Night
Rain likely. Snow level 5600 feet lowering to 5100 feet after midnight . Mostly cloudy, with a low around 42.
Wednesday
Rain likely. Snow level 5200 feet. Mostly cloudy, with a high near 47.
Wednesday Night
A chance of rain. Snow level 5600 feet lowering to 4600 feet after midnight . Mostly cloudy, with a low around 39.
Thursday
Mostly sunny, with a high near 54.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles ESE Cave Junction OR
 42.12°N 123.36°W (Elev. 3658 ft)
Last Update:
12:01 am PDT Apr 17, 2026
Forecast Valid:
1am PDT Apr 17, 2026-6pm PDT Apr 23, 2026
 
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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