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
8 Miles WNW Illinois Valley OR
Tonight
Low: 53 °F
Clear
Thursday
High: 68 °F
Sunny
Thursday Night
Low: 54 °F
Partly Cloudy
Friday
High: 65 °F
Mostly Sunny
Friday Night
Low: 46 °F
Slight Chance
ShowersSaturday
High: 55 °F
Slight Chance
Showers then
Mostly SunnySaturday Night
Low: 39 °F
Partly Cloudy
Sunday
High: 58 °F
Sunny
Sunday Night
Low: 40 °F
Mostly Cloudy
Detailed Forecast
Tonight
Clear, with a low around 53. Southwest wind around 6 mph.
Thursday
Sunny, with a high near 68. Southwest wind 6 to 10 mph.
Thursday Night
Partly cloudy, with a low around 54. West southwest wind 6 to 9 mph.
Friday
Mostly sunny, with a high near 65. West wind 3 to 6 mph.
Friday Night
A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 46. West wind around 7 mph.
Saturday
A 20 percent chance of showers before 11am. Snow level 7100 feet lowering to 5600 feet. Partly sunny, with a high near 55.
Saturday Night
Partly cloudy, with a low around 39.
Sunday
Sunny, with a high near 58.
Sunday Night
Mostly cloudy, with a low around 40.
Monday
Partly sunny, with a high near 59.
Monday Night
A chance of showers. Mostly cloudy, with a low around 46.
Tuesday
A chance of showers. Mostly cloudy, with a high near 57.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 40.
Wednesday
Showers likely. Snow level 5800 feet lowering to 5200 feet in the afternoon . Partly sunny, with a high near 48.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
8 Miles WNW Illinois Valley OR
42.14°N 123.81°W (Elev. 3209 ft)
42.14°N 123.81°W (Elev. 3209 ft)
4:46 pm PDT Mar 18, 2026
7pm PDT Mar 18, 2026-6pm PDT Mar 25, 2026
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