Critical Fire Weather in the High Plains; Heat Continues in the West
Critical fire weather conditions will persist in the central High Plains through Friday as gusty winds and dry conditions continue. The heat wave across the West and Southwest will continue to intensify through the week, with daily and monthly record highs expected to be broken. Read More >
Current conditions at
ILLINOIS VALLEY AIRPORT (SBFO3)
Lat: 42.10386°NLon: 123.68519°WElev: 1389.0ft.NA
58°F
14°C
| Humidity | 42% |
| Wind Speed | S 2 MPH |
| Barometer | NA |
| Dewpoint | 35°F (2°C) |
| Visibility | NA |
| Last update | 18 Mar 08:52 PM PDT |
Extended Forecast for
3 Miles SE Illinois Valley OR
Tonight
Low: 32 °F
Clear
Thursday
High: 83 °F
Sunny
Thursday Night
Low: 33 °F
Mostly Clear
Friday
High: 76 °F
Mostly Sunny
Friday Night
Low: 45 °F
Slight Chance
ShowersSaturday
High: 66 °F
Slight Chance
Showers then
Mostly SunnySaturday Night
Low: 28 °F
Partly Cloudy
Sunday
High: 70 °F
Sunny
Sunday Night
Low: 37 °F
Mostly Cloudy
Detailed Forecast
Tonight
Clear, with a low around 32. South southwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 83. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 33. Southwest wind 5 to 7 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 76. Calm wind.
Friday Night
A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 45. Southwest wind 5 to 7 mph becoming calm in the evening.
Saturday
A 20 percent chance of showers before 11am. Partly sunny, with a high near 66.
Saturday Night
Partly cloudy, with a low around 28.
Sunday
Sunny, with a high near 70.
Sunday Night
Mostly cloudy, with a low around 37.
Monday
Partly sunny, with a high near 67.
Monday Night
A slight chance of showers. Mostly cloudy, with a low around 43.
Tuesday
A chance of showers. Mostly cloudy, with a high near 64.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 37.
Wednesday
Showers likely. Partly sunny, with a high near 56.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles SE Illinois Valley OR
42.08°N 123.65°W (Elev. 1644 ft)
42.08°N 123.65°W (Elev. 1644 ft)
4:46 pm PDT Mar 18, 2026
9pm PDT Mar 18, 2026-6pm PDT Mar 25, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
