Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
61°F
16°C
| Humidity | 42% |
| Wind Speed | S 9 mph |
| Barometer | 30.47 in |
| Dewpoint | 37°F (3°C) |
| Visibility | 10.00 mi |
| Last update | 18 Oct 12:45 pm CDT |
Extended Forecast for
Gillespie IL
This Afternoon
High: 67 °F
Sunny
Tonight
Low: 37 °F
Clear
Monday
High: 71 °F
Patchy Frost
then SunnyMonday Night
Low: 40 °F
Partly Cloudy
Tuesday
High: 74 °F
Mostly Sunny
Tuesday Night
Low: 42 °F
Mostly Clear
Wednesday
High: 76 °F
Sunny
Wednesday Night
Low: 45 °F
Clear
Thursday
High: 76 °F
Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 67. South wind around 9 mph.
Tonight
Clear, with a low around 37. Southeast wind around 5 mph becoming calm after midnight.
Monday
Patchy frost before 8am. Otherwise, sunny, with a high near 71. Light southeast wind.
Monday Night
Partly cloudy, with a low around 40. Calm wind.
Tuesday
Mostly sunny, with a high near 74. Calm wind.
Tuesday Night
Mostly clear, with a low around 42.
Wednesday
Sunny, with a high near 76.
Wednesday Night
Clear, with a low around 45.
Thursday
Sunny, with a high near 76.
Thursday Night
Clear, with a low around 47.
Friday
Sunny, with a high near 76.
Friday Night
Mostly clear, with a low around 46.
Saturday
Mostly sunny, with a high near 76.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Gillespie IL
39.14°N 89.84°W (Elev. 659 ft)
39.14°N 89.84°W (Elev. 659 ft)
1:26 pm CDT Oct 18, 2026
1pm CDT Oct 18, 2026-6pm CDT Oct 24, 2026
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