National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hawaii and Guam Concerns; Severe Weather for the Plains; Heavy Snow for Sierra-Nevada

Heavy rainfall capable of causing flash flooding will continue to impact Hawaii through Monday. Severe thunderstorms and heavy rain are possible in parts of Texas and the southern Plains and the Upper Great Lakes. Heavy mountain snow continues in California's Sierra Nevada and rain with gusty winds to lower elevations. Super Typhoon Sinlaku will impact the Marianas through midweek. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

43°F

6°C

Humidity 85%
Wind Speed SSW 4 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Wind Chill41°F (5°C)
Last update 13 Apr 01:52 AM PDT
Extended Forecast for

8 Miles NW Cave Junction OR

  • Overnight

    Overnight: A chance of rain and snow showers, mainly after 5am. Snow level 4500 feet. Mostly cloudy, with a low around 38. West wind around 6 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 38 °F

    Chance
    Rain/Snow

  • Monday

    Monday: Rain and snow showers likely before 4pm, then a slight chance of rain showers after 5pm. Snow level 4600 feet. Partly sunny, with a high near 42. West wind 3 to 8 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 42 °F

    Rain/Snow
    Likely

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 36. West northwest wind 3 to 8 mph.

    Low: 36 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 45. Light southwest wind becoming west southwest 9 to 14 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 45 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Snow showers likely before 11pm, then rain, possibly mixed with snow showers. Snow level rising to 4600 feet after midnight. Low around 39. Breezy, with a south southwest wind 17 to 26 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 39 °F

    Rain/Snow and
    Breezy

  • Wednesday

    Wednesday: Rain showers before 11am, then rain and snow showers between 11am and 2pm, then snow showers after 2pm. Snow level 5100 feet lowering to 4200 feet in the afternoon . High near 41. Windy. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Rain/Snow and
    Windy

  • Wednesday Night

    Wednesday Night: Snow showers likely, mainly before 11pm. Mostly cloudy, with a low around 32. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Snow Showers
    Likely then
    Chance Snow
    Showers

  • Thursday

    Thursday: A chance of snow before 11am. Mostly sunny, with a high near 43.

    High: 43 °F

    Chance Snow
    then Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

Detailed Forecast

Overnight
A chance of rain and snow showers, mainly after 5am. Snow level 4500 feet. Mostly cloudy, with a low around 38. West wind around 6 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Monday
Rain and snow showers likely before 4pm, then a slight chance of rain showers after 5pm. Snow level 4600 feet. Partly sunny, with a high near 42. West wind 3 to 8 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Monday Night
Mostly cloudy, with a low around 36. West northwest wind 3 to 8 mph.
Tuesday
Partly sunny, with a high near 45. Light southwest wind becoming west southwest 9 to 14 mph in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Snow showers likely before 11pm, then rain, possibly mixed with snow showers. Snow level rising to 4600 feet after midnight. Low around 39. Breezy, with a south southwest wind 17 to 26 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday
Rain showers before 11am, then rain and snow showers between 11am and 2pm, then snow showers after 2pm. Snow level 5100 feet lowering to 4200 feet in the afternoon . High near 41. Windy. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow showers likely, mainly before 11pm. Mostly cloudy, with a low around 32. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday
A chance of snow before 11am. Mostly sunny, with a high near 43.
Thursday Night
Mostly clear, with a low around 32.
Friday
Mostly sunny, with a high near 54.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Partly sunny, with a high near 54.
Saturday Night
A chance of rain. Snow level 5500 feet. Mostly cloudy, with a low around 43.
Sunday
A chance of rain. Snow level 5100 feet lowering to 4400 feet. Mostly cloudy, with a high near 47.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles NW Cave Junction OR
 42.24°N 123.75°W (Elev. 4163 ft)
Last Update:
1:01 am PDT Apr 13, 2026
Forecast Valid:
2am PDT Apr 13, 2026-6pm PDT Apr 19, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation