Hawaii and Guam Concerns; Record Warmth Spreads Eastward; Heavy Snow for Sierra-Nevada; Severe Weather for the Plains

A very active spring pattern with tropical concerns across the Pacific. Heavy rainfall will continue to impact Hawaii this weekend. Meanwhile we continue to monitor a developing typhoon that may affect Guam into early next week. For the Lower 48, heavy snow for mountains of California this weekend, increase threat for severe thunderstorms next week for the Plains and record warmth spreads east. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

41°F

5°C

Humidity 100%
Wind Speed SSW 1 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 12 Apr 03:52 AM PDT
Extended Forecast for

8 Miles N Cave Junction OR

  • Overnight

    Overnight: Rain likely, mainly after 5am.  Snow level 4400 feet. Mostly cloudy, with a low around 38. West wind around 5 mph.  Chance of precipitation is 60%.

    Low: 38 °F

    Rain Likely

  • Sunday

    Sunday: Rain and thunderstorms likely before 3pm, then showers and possibly a thunderstorm between 3pm and 5pm, then a chance of rain and thunderstorms after 5pm.  Snow level 4000 feet rising to 5000 feet in the afternoon. High near 58. Calm wind becoming west southwest 5 to 7 mph in the afternoon.  Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 58 °F

    Chance
    Showers then
    Showers

  • Sunday Night

    Sunday Night: Rain likely, mainly before 9pm.  Mostly cloudy, with a low around 40. Southwest wind 5 to 9 mph.  Chance of precipitation is 70%.

    Low: 40 °F

    Rain Likely
    then Chance
    Rain

  • Monday

    Monday: Rain likely, mainly after 11am.  Snow level 4300 feet rising to 4900 feet in the afternoon. Mostly cloudy, with a high near 56. West wind 3 to 6 mph.  Chance of precipitation is 60%.

    High: 56 °F

    Rain Likely

  • Monday Night

    Monday Night: A 20 percent chance of rain before 11pm.  Snow level 5000 feet lowering to 4000 feet after midnight . Mostly cloudy, with a low around 36. West wind 5 to 7 mph becoming calm  in the evening.

    Low: 36 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Rain, mainly after 11pm.  Snow level 4200 feet. Low around 40. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 40 °F

    Rain

  • Wednesday

    Wednesday: Rain.  Cloudy, with a high near 52.

    High: 52 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain likely before 11pm, then a chance of rain and snow.  Snow level 3900 feet lowering to 2000 feet after midnight . Mostly cloudy, with a low around 30.

    Low: 30 °F

    Rain/Snow
    Likely

Detailed Forecast

Overnight
Rain likely, mainly after 5am. Snow level 4400 feet. Mostly cloudy, with a low around 38. West wind around 5 mph. Chance of precipitation is 60%.
Sunday
Rain and thunderstorms likely before 3pm, then showers and possibly a thunderstorm between 3pm and 5pm, then a chance of rain and thunderstorms after 5pm. Snow level 4000 feet rising to 5000 feet in the afternoon. High near 58. Calm wind becoming west southwest 5 to 7 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Rain likely, mainly before 9pm. Mostly cloudy, with a low around 40. Southwest wind 5 to 9 mph. Chance of precipitation is 70%.
Monday
Rain likely, mainly after 11am. Snow level 4300 feet rising to 4900 feet in the afternoon. Mostly cloudy, with a high near 56. West wind 3 to 6 mph. Chance of precipitation is 60%.
Monday Night
A 20 percent chance of rain before 11pm. Snow level 5000 feet lowering to 4000 feet after midnight . Mostly cloudy, with a low around 36. West wind 5 to 7 mph becoming calm in the evening.
Tuesday
Partly sunny, with a high near 59.
Tuesday Night
Rain, mainly after 11pm. Snow level 4200 feet. Low around 40. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain. Cloudy, with a high near 52.
Wednesday Night
Rain likely before 11pm, then a chance of rain and snow. Snow level 3900 feet lowering to 2000 feet after midnight . Mostly cloudy, with a low around 30.
Thursday
Sunny, with a high near 57.
Thursday Night
Mostly clear, with a low around 31.
Friday
Sunny, with a high near 66.
Friday Night
Partly cloudy, with a low around 36.
Saturday
Mostly sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles N Cave Junction OR
 42.28°N 123.64°W (Elev. 1398 ft)
3:42 am PDT Apr 12, 2026
4am PDT Apr 12, 2026-6pm PDT Apr 18, 2026
 
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