Hazardous Weather Conditions
Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
45°F
7°C
| Humidity | 81% |
| Wind Speed | Calm |
| Barometer | 30.47 in |
| Dewpoint | 39°F (4°C) |
| Visibility | 10.00 mi |
| Last update | 17 Oct 8:45 pm CDT |
Extended Forecast for
Hillsboro IL
Frost Advisory October 18, 01:00am until October 18, 09:00am
Tonight
Low: 33 °F
Clear then
Areas FrostSunday
High: 68 °F
Areas Frost
then SunnySunday Night
Low: 36 °F
Clear
Monday
High: 72 °F
Patchy Frost
then SunnyMonday Night
Low: 38 °F
Mostly Clear
Tuesday
High: 75 °F
Sunny
Tuesday Night
Low: 40 °F
Mostly Clear
Wednesday
High: 77 °F
Sunny
Wednesday Night
Low: 44 °F
Mostly Clear
Detailed Forecast
Tonight
Areas of frost after 4am. Otherwise, clear, with a low around 33. Light southeast wind.
Sunday
Areas of frost before 8am. Otherwise, sunny, with a high near 68. South wind 3 to 7 mph.
Sunday Night
Clear, with a low around 36. Calm wind.
Monday
Patchy frost before 8am. Otherwise, sunny, with a high near 72. Calm wind.
Monday Night
Mostly clear, with a low around 38. Calm wind.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 40.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 44.
Thursday
Sunny, with a high near 78.
Thursday Night
Mostly clear, with a low around 46.
Friday
Sunny, with a high near 78.
Friday Night
Mostly clear, with a low around 47.
Saturday
Mostly sunny, with a high near 79.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Hillsboro IL
39.15°N 89.47°W (Elev. 627 ft)
39.15°N 89.47°W (Elev. 627 ft)
6:10 pm CDT Oct 17, 2026
8pm CDT Oct 17, 2026-6pm CDT Oct 24, 2026
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