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

Heavy Rain and Flooding Concerns in Hawaii; Severe Weather this Weekend in the Plains; Pacific Storm in the West

A storm system near the Hawaiian Islands is expected to bring periods of heavy rainfall, strong winds, and isolated strong to severe thunderstorms through Friday. Several rounds of severe thunderstorms are forecast to impact parts of the Great Plains into the Midwest this weekend into next week. Moderate to heavy rainfall and high elevation snow is expected this weekend over California and Oregon. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

50°F

10°C

Humidity 100%
Wind Speed NNE 0 MPH
Barometer NA
Dewpoint 50°F (10°C)
Visibility NA
Last update 10 Apr 02:52 AM PDT
Extended Forecast for

Illinois Valley OR

  • Overnight

    Overnight: A 20 percent chance of rain. Partly cloudy, with a steady temperature around 47. Calm wind.

    Low: 47 °F

    Slight Chance
    Rain

  • Friday

    Friday: Rain and possibly a thunderstorm before 4pm, then showers and possibly a thunderstorm, mainly after 4pm. High near 62. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 62 °F

    Showers

  • Friday Night

    Friday Night: Rain and possibly a thunderstorm. Low around 41. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 41 °F

    Rain

  • Saturday

    Saturday: Rain before 11am, then showers and possibly a thunderstorm after 11am. High near 55. Calm wind becoming south southwest 5 to 7 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 55 °F

    Showers

  • Saturday Night

    Saturday Night: Rain. Low around 37. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 37 °F

    Rain

  • Sunday

    Sunday: Rain. High near 54. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 54 °F

    Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly before 11pm. Mostly cloudy, with a low around 36. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Rain Likely

  • Monday

    Monday: A chance of rain. Snow level 4500 feet. Partly sunny, with a high near 55.

    High: 55 °F

    Chance Rain

  • Monday Night

    Monday Night: A slight chance of rain before 11pm. Snow level 4900 feet lowering to 4000 feet after midnight . Mostly cloudy, with a low around 33.

    Low: 33 °F

    Slight Chance
    Rain then
    Mostly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of rain. Partly cloudy, with a steady temperature around 47. Calm wind.
Friday
Rain and possibly a thunderstorm before 4pm, then showers and possibly a thunderstorm, mainly after 4pm. High near 62. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Rain and possibly a thunderstorm. Low around 41. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Rain before 11am, then showers and possibly a thunderstorm after 11am. High near 55. Calm wind becoming south southwest 5 to 7 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Rain. Low around 37. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain. High near 54. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain likely, mainly before 11pm. Mostly cloudy, with a low around 36. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Monday
A chance of rain. Snow level 4500 feet. Partly sunny, with a high near 55.
Monday Night
A slight chance of rain before 11pm. Snow level 4900 feet lowering to 4000 feet after midnight . Mostly cloudy, with a low around 33.
Tuesday
Mostly sunny, with a high near 61.
Tuesday Night
A slight chance of rain. Snow level 5400 feet lowering to 4400 feet after midnight . Mostly cloudy, with a low around 35.
Wednesday
A chance of rain. Snow level 4400 feet rising to 5400 feet in the afternoon. Partly sunny, with a high near 58.
Wednesday Night
A slight chance of rain. Snow level 5500 feet lowering to 4300 feet after midnight . Partly cloudy, with a low around 34.
Thursday
Sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
Illinois Valley OR
 42.09°N 123.68°W (Elev. 1394 ft)
Last Update:
11:26 pm PDT Apr 9, 2026
Forecast Valid:
3am PDT Apr 10, 2026-6pm PDT Apr 16, 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