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

52°F

11°C

Humidity 88%
Wind Speed SW 2 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Last update 11 Apr 01:52 PM PDT
Extended Forecast for

12 Miles ESE Cave Junction OR

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm.  Snow level 5500 feet. Steady temperature around 40. West wind around 8 mph becoming south.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 40 °F

    Showers

  • Tonight

    Tonight: Rain and snow showers, becoming all snow after 3am.  Snow level 5300 feet lowering to 4600 feet after midnight . Low around 35. Southeast wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 35 °F

    Rain/Snow

  • Sunday

    Sunday: Rain, possibly mixed with snow showers. Some thunder is also possible.  High near 40. Light and variable wind becoming west 5 to 10 mph in the afternoon.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 40 °F

    Chance Snow
    Showers then
    Rain/Snow

  • Sunday Night

    Sunday Night: Rain, possibly mixed with snow showers, becoming all snow after 8pm.  Low around 38. West southwest wind 8 to 13 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 38 °F

    Rain/Snow
    then Chance
    Snow Showers

  • Monday

    Monday: Snow showers likely before 2pm, then rain showers likely.  Mostly cloudy, with a high near 41. West southwest wind 7 to 15 mph, with gusts as high as 18 mph.  Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 41 °F

    Snow Showers
    Likely then
    Rain/Snow
    Likely

  • Monday Night

    Monday Night: A chance of rain showers, mixing with snow after 8pm, then gradually ending.  Snow level 5100 feet lowering to 4600 feet after midnight . Mostly cloudy, with a low around 37. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 37 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 47.

    High: 47 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of rain before 8pm, then rain and snow likely.  Mostly cloudy, with a low around 38.

    Low: 38 °F

    Rain/Snow
    Likely

  • Wednesday

    Wednesday: Rain and snow, becoming all rain after 2pm.  Snow level rising to 4900 feet in the afternoon. Cloudy, with a high near 40.

    High: 40 °F

    Rain/Snow

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. Snow level 5500 feet. Steady temperature around 40. West wind around 8 mph becoming south. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Rain and snow showers, becoming all snow after 3am. Snow level 5300 feet lowering to 4600 feet after midnight . Low around 35. Southeast wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%. Little or no snow accumulation expected.
Sunday
Rain, possibly mixed with snow showers. Some thunder is also possible. High near 40. Light and variable wind becoming west 5 to 10 mph in the afternoon. Chance of precipitation is 90%. Little or no snow accumulation expected.
Sunday Night
Rain, possibly mixed with snow showers, becoming all snow after 8pm. Low around 38. West southwest wind 8 to 13 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Monday
Snow showers likely before 2pm, then rain showers likely. Mostly cloudy, with a high near 41. West southwest wind 7 to 15 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Monday Night
A chance of rain showers, mixing with snow after 8pm, then gradually ending. Snow level 5100 feet lowering to 4600 feet after midnight . Mostly cloudy, with a low around 37. Chance of precipitation is 40%. Little or no snow accumulation expected.
Tuesday
Partly sunny, with a high near 47.
Tuesday Night
A chance of rain before 8pm, then rain and snow likely. Mostly cloudy, with a low around 38.
Wednesday
Rain and snow, becoming all rain after 2pm. Snow level rising to 4900 feet in the afternoon. Cloudy, with a high near 40.
Wednesday Night
Rain and snow likely before 11pm, then a chance of snow. Mostly cloudy, with a low around 29.
Thursday
Sunny, with a high near 43.
Thursday Night
Mostly clear, with a low around 32.
Friday
Sunny, with a high near 54.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles ESE Cave Junction OR
 42.09°N 123.44°W (Elev. 4610 ft)
2:47 pm PDT Apr 11, 2026
2pm PDT Apr 11, 2026-6pm PDT Apr 17, 2026
 
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Additional Resources

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