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

50°F

10°C

Humidity 78%
Wind Speed WSW 10 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Wind Chill46°F (8°C)
Last update 15 Apr 01:52 PM PDT
Extended Forecast for

8 Miles NW Cave Junction OR

Freeze Watch April 17, 03:00am until April 17, 09:00am
Frost Advisory April 16, 03:00am until April 16, 09:00am
Click here for hazard details and duration
Freeze Watch
Frost Advisory
  • This Afternoon

    This Afternoon: Mostly sunny, with a steady temperature around 38. West northwest wind 10 to 13 mph, with gusts as high as 18 mph.

    High: 38 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of snow between 10pm and midnight.  Partly cloudy, with a low around 23. Northwest wind 8 to 13 mph becoming light  after midnight. Winds could gust as high as 20 mph.  Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 23 °F

    Chance Snow
    then Mostly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 43. Light north wind becoming north northeast 8 to 13 mph in the morning. Winds could gust as high as 18 mph.

    High: 43 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 31. North northeast wind 8 to 13 mph, with gusts as high as 18 mph.

    Low: 31 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 54. East northeast wind 5 to 10 mph.

    High: 54 °F

    Mostly 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 56.

    High: 56 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of rain, mainly after 11pm.  Snow level 7200 feet lowering to 6600 feet after midnight . Mostly cloudy, with a low around 44.

    Low: 44 °F

    Chance Rain

  • Sunday

    Sunday: Rain likely.  Snow level 6400 feet lowering to 5700 feet. Mostly cloudy, with a high near 48.

    High: 48 °F

    Rain Likely

Detailed Forecast

This Afternoon
Mostly sunny, with a steady temperature around 38. West northwest wind 10 to 13 mph, with gusts as high as 18 mph.
Tonight
A chance of snow between 10pm and midnight. Partly cloudy, with a low around 23. Northwest wind 8 to 13 mph becoming light after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Thursday
Mostly sunny, with a high near 43. Light north wind becoming north northeast 8 to 13 mph in the morning. Winds could gust as high as 18 mph.
Thursday Night
Mostly clear, with a low around 31. North northeast wind 8 to 13 mph, with gusts as high as 18 mph.
Friday
Mostly sunny, with a high near 54. East northeast wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 41.
Saturday
Mostly sunny, with a high near 56.
Saturday Night
A chance of rain, mainly after 11pm. Snow level 7200 feet lowering to 6600 feet after midnight . Mostly cloudy, with a low around 44.
Sunday
Rain likely. Snow level 6400 feet lowering to 5700 feet. Mostly cloudy, with a high near 48.
Sunday Night
Rain likely, mainly before 11pm. Snow level 5700 feet lowering to 5200 feet after midnight . Mostly cloudy, with a low around 42.
Monday
Rain likely. Snow level 5100 feet. Mostly cloudy, with a high near 50.
Monday Night
A chance of rain. Snow level 5300 feet. Mostly cloudy, with a low around 43.
Tuesday
A chance of rain. Snow level 5000 feet rising to 5600 feet in the afternoon. Mostly cloudy, with a high near 49.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles NW Cave Junction OR
 42.24°N 123.75°W (Elev. 4163 ft)
12:57 pm PDT Apr 15, 2026
2pm PDT Apr 15, 2026-6pm PDT Apr 21, 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