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
16 Miles SE Agness OR
Tonight
Low: 55 °F
Mostly Clear
Thursday
High: 71 °F
Sunny
Thursday Night
Low: 56 °F
Mostly Clear
Friday
High: 67 °F
Mostly Sunny
Friday Night
Low: 48 °F
Slight Chance
ShowersSaturday
High: 55 °F
Slight Chance
Showers then
Mostly SunnySaturday Night
Low: 41 °F
Mostly Clear
Sunday
High: 57 °F
Mostly Sunny
Sunday Night
Low: 42 °F
Mostly Cloudy
Detailed Forecast
Tonight
Mostly clear, with a low around 55. West wind around 6 mph becoming light and variable.
Thursday
Sunny, with a high near 71. Light and variable wind becoming west southwest 5 to 9 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 56. West southwest wind 5 to 8 mph becoming light and variable after midnight.
Friday
Mostly sunny, with a high near 67. Light and variable wind becoming west 5 to 8 mph in the afternoon.
Friday Night
A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 48. Northwest wind around 8 mph.
Saturday
A 20 percent chance of showers before 11am. Snow level 6700 feet lowering to 5000 feet. Partly sunny, with a high near 55.
Saturday Night
Mostly clear, with a low around 41.
Sunday
Mostly sunny, with a high near 57.
Sunday Night
Mostly cloudy, with a low around 42.
Monday
Partly sunny, with a high near 62.
Monday Night
A chance of showers. Mostly cloudy, with a low around 48.
Tuesday
Showers likely. Mostly cloudy, with a high near 59.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 43.
Wednesday
Showers likely. Snow level 5700 feet lowering to 5000 feet in the afternoon . Mostly cloudy, with a high near 51.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
16 Miles SE Agness OR
42.4°N 123.83°W (Elev. 2582 ft)
42.4°N 123.83°W (Elev. 2582 ft)
4:46 pm PDT Mar 18, 2026
7pm PDT Mar 18, 2026-6pm PDT Mar 25, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
