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

52°F

11°C

Humidity 54%
Wind Speed WSW 7 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Last update 15 Apr 03:52 PM PDT
Extended Forecast for

15 Miles ESE Cave Junction OR

  • This Afternoon

    This Afternoon: A 30 percent chance of snow after 5pm.  Snow level 3700 feet. Partly sunny, with a steady temperature around 39. West wind around 13 mph, with gusts as high as 20 mph.  Total daytime snow accumulation of less than a half inch possible.

    High: 39 °F

    Chance Snow

  • Tonight

    Tonight: A 40 percent chance of snow, mainly between 10pm and 11pm.  Widespread frost after 11pm.  Otherwise, mostly cloudy, with a low around 24. West northwest wind 5 to 11 mph.  New snow accumulation of less than a half inch possible.

    Low: 24 °F

    Chance Snow
    then Frost

  • Thursday

    Thursday: Widespread frost before 8am.  Otherwise, mostly sunny, with a high near 44. Light north wind becoming north northeast 5 to 10 mph in the morning.

    High: 44 °F

    Frost then
    Sunny

  • Thursday Night

    Thursday Night: Widespread frost after 11pm.  Otherwise, mostly clear, with a low around 31. East northeast wind 5 to 10 mph.

    Low: 31 °F

    Frost

  • Friday

    Friday: Sunny, with a high near 58. East wind around 6 mph becoming north in the afternoon.

    High: 58 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of rain, mainly after 11pm.  Mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance Rain

  • Sunday

    Sunday: A chance of rain.  Snow level 6200 feet. Mostly cloudy, with a high near 52.

    High: 52 °F

    Chance Rain

Detailed Forecast

This Afternoon
A 30 percent chance of snow after 5pm. Snow level 3700 feet. Partly sunny, with a steady temperature around 39. West wind around 13 mph, with gusts as high as 20 mph. Total daytime snow accumulation of less than a half inch possible.
Tonight
A 40 percent chance of snow, mainly between 10pm and 11pm. Widespread frost after 11pm. Otherwise, mostly cloudy, with a low around 24. West northwest wind 5 to 11 mph. New snow accumulation of less than a half inch possible.
Thursday
Widespread frost before 8am. Otherwise, mostly sunny, with a high near 44. Light north wind becoming north northeast 5 to 10 mph in the morning.
Thursday Night
Widespread frost after 11pm. Otherwise, mostly clear, with a low around 31. East northeast wind 5 to 10 mph.
Friday
Sunny, with a high near 58. East wind around 6 mph becoming north in the afternoon.
Friday Night
Partly cloudy, with a low around 41.
Saturday
Mostly sunny, with a high near 61.
Saturday Night
A chance of rain, mainly after 11pm. Mostly cloudy, with a low around 44.
Sunday
A chance of rain. Snow level 6200 feet. Mostly cloudy, with a high near 52.
Sunday Night
Rain likely, mainly before 11pm. Snow level 6100 feet lowering to 5300 feet after midnight . Mostly cloudy, with a low around 42.
Monday
Rain likely. Snow level 5200 feet. Mostly cloudy, with a high near 53.
Monday Night
A chance of rain. Snow level 5500 feet. Mostly cloudy, with a low around 42.
Tuesday
A chance of rain. Snow level 5100 feet rising to 5800 feet in the afternoon. Mostly cloudy, with a high near 51.
Tuesday Night
A chance of rain. Snow level 6000 feet lowering to 5200 feet after midnight . Mostly cloudy, with a low around 42.
Wednesday
A chance of rain. Snow level 5000 feet rising to 5700 feet in the afternoon. Partly sunny, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles ESE Cave Junction OR
 42.12°N 123.36°W (Elev. 3658 ft)
4:41 pm PDT Apr 15, 2026
4pm PDT Apr 15, 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