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
78°F
26°C
| Humidity | 19% |
| Wind Speed | WSW 5 MPH |
| Barometer | NA |
| Dewpoint | 32°F (0°C) |
| Visibility | NA |
| Heat Index | 77°F (25°C) |
| Last update | 18 Mar 06:52 PM PDT |
Extended Forecast for
17 Miles WNW Illinois Valley OR
Tonight
Low: 55 °F
Clear
Thursday
High: 66 °F
Sunny
Thursday Night
Low: 55 °F
Mostly Clear
Friday
High: 63 °F
Mostly Sunny
Friday Night
Low: 46 °F
Slight Chance
ShowersSaturday
High: 51 °F
Chance
Showers then
Mostly SunnySaturday Night
Low: 45 °F
Partly Cloudy
Sunday
High: 54 °F
Sunny
Sunday Night
Low: 41 °F
Mostly Cloudy
Detailed Forecast
Tonight
Clear, with a low around 55. South southeast wind 5 to 8 mph.
Thursday
Sunny, with a high near 66. Southwest wind 7 to 10 mph.
Thursday Night
Mostly clear, with a low around 55. South wind 7 to 9 mph.
Friday
Mostly sunny, with a high near 63. Light and variable wind becoming west southwest 5 to 7 mph in the afternoon.
Friday Night
A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 46. Northwest wind around 8 mph.
Saturday
A 30 percent chance of showers before 11am. Snow level 6800 feet lowering to 5200 feet. Partly sunny, with a high near 51.
Saturday Night
Partly cloudy, with a low around 45.
Sunday
Sunny, with a high near 54.
Sunday Night
Mostly cloudy, with a low around 41.
Monday
Partly sunny, with a high near 55.
Monday Night
A chance of showers. Mostly cloudy, with a low around 45.
Tuesday
Showers likely. Mostly cloudy, with a high near 54. Breezy.
Tuesday Night
Showers likely. Snow level 7400 feet lowering to 6100 feet after midnight . Mostly cloudy, with a low around 40. Breezy.
Wednesday
Rain and snow showers likely. Snow level 5700 feet lowering to 5000 feet in the afternoon . Mostly cloudy, with a high near 46.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
17 Miles WNW Illinois Valley OR
42.18°N 123.98°W (Elev. 4344 ft)
42.18°N 123.98°W (Elev. 4344 ft)
4:46 pm PDT Mar 18, 2026
7pm PDT Mar 18, 2026-6pm PDT Mar 25, 2026
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