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

Heavy Snow in the Sierra Nevada; Heavy Rainfall in Texas Sunday

Heavy snow is expected in the Sierra Nevada mountain ranges into Saturday causing hazardous travel conditions. Winter Storm Warnings have been issued. Thunderstorms and moderate to heavy rainfall are expected across portions of eastern Texas into Louisiana on Sunday. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

46°F

8°C

Humidity 99%
Wind Speed ESE 0 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Last update 14 Nov 12:52 AM PST
Extended Forecast for

17 Miles WNW Cave Junction OR

  • Overnight

    Overnight: Rain. Snow level 5500 feet. Steady temperature around 43. South southwest wind 16 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °F

    Rain

  • Saturday

    Saturday: Rain likely, mainly before noon. Snow level 5800 feet. Mostly cloudy, with a steady temperature around 44. South wind 17 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 44 °F

    Rain Likely
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: Rain, mainly after 8pm. Snow level 7900 feet lowering to 6200 feet after midnight . Steady temperature around 47. Breezy, with a south wind 17 to 24 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    Low: 47 °F

    Rain and
    Breezy

  • Sunday

    Sunday: Rain. Snow level 5000 feet. High near 48. South southwest wind 9 to 11 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 48 °F

    Rain

  • Sunday Night

    Sunday Night: Rain. Snow level 4600 feet. Low around 37. South wind around 10 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 37 °F

    Rain

  • Monday

    Monday: Rain, mainly before 4pm. Snow level 4400 feet. High near 40. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 40 °F

    Rain

  • Monday Night

    Monday Night: A 20 percent chance of rain before 10pm. Snow level 3900 feet. Partly cloudy, with a low around 31.

    Low: 31 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Tuesday

    Tuesday: Rain likely after 4pm. Snow level 3600 feet rising to 4200 feet in the afternoon. Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny
    then Rain
    Likely

  • Tuesday Night

    Tuesday Night: Rain. Snow level 4500 feet. Cloudy, with a low around 35.

    Low: 35 °F

    Rain

Detailed Forecast

Overnight
Rain. Snow level 5500 feet. Steady temperature around 43. South southwest wind 16 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Rain likely, mainly before noon. Snow level 5800 feet. Mostly cloudy, with a steady temperature around 44. South wind 17 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Rain, mainly after 8pm. Snow level 7900 feet lowering to 6200 feet after midnight . Steady temperature around 47. Breezy, with a south wind 17 to 24 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Sunday
Rain. Snow level 5000 feet. High near 48. South southwest wind 9 to 11 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain. Snow level 4600 feet. Low around 37. South wind around 10 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain, mainly before 4pm. Snow level 4400 feet. High near 40. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
A 20 percent chance of rain before 10pm. Snow level 3900 feet. Partly cloudy, with a low around 31.
Tuesday
Rain likely after 4pm. Snow level 3600 feet rising to 4200 feet in the afternoon. Partly sunny, with a high near 42.
Tuesday Night
Rain. Snow level 4500 feet. Cloudy, with a low around 35.
Wednesday
Rain and snow, becoming all rain after 1pm. Snow level 3800 feet. Cloudy, with a high near 37.
Wednesday Night
Rain and snow likely. Snow level 3600 feet. Mostly cloudy, with a low around 32.
Thursday
A chance of rain and snow. Snow level 3600 feet. Partly sunny, with a high near 39.
Thursday Night
Partly cloudy, with a low around 31.
Friday
Mostly sunny, with a high near 42.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles WNW Cave Junction OR
 42.25°N 123.97°W (Elev. 3314 ft)
Last Update:
1:21 am PST Nov 14, 2026
Forecast Valid:
1am PST Nov 14, 2026-6pm PST Nov 20, 2026
 
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Additional Resources

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Chance of Precipitation