Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
57°F
14°C
| Humidity | 72% |
| Wind Speed | Calm |
| Barometer | 29.99 in |
| Dewpoint | 48°F (9°C) |
| Visibility | 10.00 mi |
| Last update | 6 Oct 7:50 pm CDT |
Extended Forecast for
Gillespie IL
Tonight
Low: 50 °F
Clear
Wednesday
High: 87 °F
Sunny
Wednesday Night
Low: 54 °F
Mostly Clear
Thursday
High: 80 °F
Sunny
Thursday Night
Low: 51 °F
Mostly Clear
Friday
High: 84 °F
Sunny
Friday Night
Low: 55 °F
Clear
Saturday
High: 89 °F
Sunny
Saturday Night
Low: 58 °F
Partly Cloudy
then Slight
Chance
Showers
Detailed Forecast
Tonight
Clear, with a low around 50. Calm wind becoming south around 5 mph after midnight.
Wednesday
Sunny, with a high near 87. Southwest wind 5 to 9 mph becoming west in the afternoon.
Wednesday Night
Mostly clear, with a low around 54. Light north wind.
Thursday
Sunny, with a high near 80. Calm wind becoming north around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 51. Light and variable wind.
Friday
Sunny, with a high near 84.
Friday Night
Clear, with a low around 55.
Saturday
Sunny, with a high near 89.
Saturday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 58.
Sunday
A 30 percent chance of showers before 1pm. Mostly sunny, with a high near 79.
Sunday Night
Partly cloudy, with a low around 56.
Columbus Day
Mostly sunny, with a high near 83.
Monday Night
A 20 percent chance of showers. Mostly clear, with a low around 57.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 80.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Gillespie IL
39.12°N 89.81°W (Elev. 653 ft)
39.12°N 89.81°W (Elev. 653 ft)
7:31 pm CDT Oct 6, 2026
8pm CDT Oct 6, 2026-6pm CDT Oct 13, 2026
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