Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

63°F

17°C

Humidity 32%
Wind Speed SSW 4 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 18 Apr 07:52 PM PDT
Extended Forecast for

12 Miles ESE Cave Junction OR

  • Tonight

    Tonight: Mostly cloudy, with a low around 47. Calm wind becoming east southeast around 6 mph after midnight.

    Low: 47 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 58. Southeast wind 7 to 11 mph becoming west northwest in the afternoon.

    High: 58 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A 20 percent chance of rain after 11pm.  Snow level 7900 feet lowering to 6500 feet after midnight . Mostly cloudy, with a low around 46. West northwest wind 7 to 13 mph becoming south southeast in the evening. Winds could gust as high as 20 mph.

    Low: 46 °F

    Slight Chance
    Rain

  • Monday

    Monday: Rain likely, mainly after 11am.  Snow level 6300 feet rising to 6900 feet in the afternoon. Mostly cloudy, with a high near 52. Southeast wind 7 to 14 mph becoming south southwest in the afternoon. Winds could gust as high as 21 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 52 °F

    Rain Likely

  • Monday Night

    Monday Night: Rain.  Snow level 6900 feet lowering to 6100 feet after midnight . Low around 41. Southwest wind 5 to 10 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Rain

  • Tuesday

    Tuesday: Rain likely, then showers and possibly a thunderstorm after 11am.  Snow level 5700 feet. High near 44. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 44 °F

    Showers

  • Tuesday Night

    Tuesday Night: Rain.  Snow level 5700 feet lowering to 4900 feet after midnight . Low around 39. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 39 °F

    Rain

  • Wednesday

    Wednesday: Rain before 8am, then rain and snow between 8am and 2pm, then rain after 2pm.  Snow level 4800 feet. Cloudy, with a high near 41.

    High: 41 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain likely before 11pm, then a slight chance of rain and snow between 11pm and 2am, then a slight chance of snow after 2am.  Mostly cloudy, with a low around 36.

    Low: 36 °F

    Rain/Snow
    Likely

Detailed Forecast

Tonight
Mostly cloudy, with a low around 47. Calm wind becoming east southeast around 6 mph after midnight.
Sunday
Mostly cloudy, with a high near 58. Southeast wind 7 to 11 mph becoming west northwest in the afternoon.
Sunday Night
A 20 percent chance of rain after 11pm. Snow level 7900 feet lowering to 6500 feet after midnight . Mostly cloudy, with a low around 46. West northwest wind 7 to 13 mph becoming south southeast in the evening. Winds could gust as high as 20 mph.
Monday
Rain likely, mainly after 11am. Snow level 6300 feet rising to 6900 feet in the afternoon. Mostly cloudy, with a high near 52. Southeast wind 7 to 14 mph becoming south southwest in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Rain. Snow level 6900 feet lowering to 6100 feet after midnight . Low around 41. Southwest wind 5 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Rain likely, then showers and possibly a thunderstorm after 11am. Snow level 5700 feet. High near 44. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Rain. Snow level 5700 feet lowering to 4900 feet after midnight . Low around 39. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain before 8am, then rain and snow between 8am and 2pm, then rain after 2pm. Snow level 4800 feet. Cloudy, with a high near 41.
Wednesday Night
Rain likely before 11pm, then a slight chance of rain and snow between 11pm and 2am, then a slight chance of snow after 2am. Mostly cloudy, with a low around 36.
Thursday
A chance of snow before 11am, then a chance of rain. Snow level rising to 5300 feet in the afternoon. Partly sunny, with a high near 47.
Thursday Night
Partly cloudy, with a low around 39.
Friday
Sunny, with a high near 55.
Friday Night
Mostly clear, with a low around 42.
Saturday
A slight chance of rain. Snow level 6200 feet rising to 6900 feet in the afternoon. Sunny, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles ESE Cave Junction OR
 42.09°N 123.44°W (Elev. 4610 ft)
4:41 pm PDT Apr 18, 2026
8pm PDT Apr 18, 2026-6pm PDT Apr 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database