
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
84°F
29°C
| Humidity | 12% |
| Wind Speed | WSW 4 MPH |
| Barometer | NA |
| Dewpoint | 26°F (-3°C) |
| Visibility | NA |
| Heat Index | 81°F (27°C) |
| Last update | 18 Mar 05:52 PM PDT |
Extended Forecast for
16 Miles SE Agness OR
Tonight

Low: 54 °F
Mostly Clear
Thursday

High: 76 °F
Sunny
Thursday Night

Low: 57 °F
Mostly Clear
Friday

High: 73 °F
Mostly Sunny
Friday Night

Low: 50 °F
Slight Chance
ShowersSaturday
High: 61 °F
Slight Chance
Showers then
Mostly SunnySaturday Night

Low: 41 °F
Mostly Clear
Sunday

High: 65 °F
Mostly Sunny
Sunday Night

Low: 44 °F
Mostly Cloudy
Detailed Forecast
Tonight
Mostly clear, with a low around 54. West wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 76. Calm wind becoming west southwest 5 to 8 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 57. West wind around 6 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 73. Calm wind becoming west 5 to 7 mph in the afternoon.
Friday Night
A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 50. North northwest wind 6 to 8 mph.
Saturday
A 20 percent chance of showers before 11am. Partly sunny, with a high near 61.
Saturday Night
Mostly clear, with a low around 41.
Sunday
Mostly sunny, with a high near 65.
Sunday Night
Mostly cloudy, with a low around 44.
Monday
Partly sunny, with a high near 67.
Monday Night
A chance of showers. Mostly cloudy, with a low around 49.
Tuesday
Showers likely. Mostly cloudy, with a high near 64.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 45.
Wednesday
Showers likely. Mostly cloudy, with a high near 56.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
16 Miles SE Agness OR
42.38°N 123.82°W (Elev. 1316 ft)
42.38°N 123.82°W (Elev. 1316 ft)
4:46 pm PDT Mar 18, 2026
6pm PDT Mar 18, 2026-6pm PDT Mar 25, 2026


