


Hazardous Weather Conditions
Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
63°F
17°C
Humidity | 88% |
Wind Speed | Vrbl 3 mph |
Barometer | 30.22 in |
Dewpoint | 59°F (15°C) |
Visibility | 10.00 mi |
Last update | 2 Oct 7:50 am CDT |
Extended Forecast for
Gillespie IL
Today
High: 88 °F
Mostly Sunny
Tonight
Low: 63 °F
Partly Cloudy
Friday
High: 87 °F
Sunny
Friday Night
Low: 60 °F
Mostly Clear
Saturday
High: 87 °F
Sunny
Saturday Night
Low: 57 °F
Clear
Sunday
High: 87 °F
Sunny
Sunday Night
Low: 61 °F
Mostly Clear
Monday
High: 84 °F
Sunny then
Slight Chance
T-storms
Detailed Forecast
Today
Mostly sunny, with a high near 88. Calm wind becoming south around 6 mph in the morning.
Tonight
Partly cloudy, with a low around 63. Calm wind.
Friday
Sunny, with a high near 87. Calm wind becoming southwest around 6 mph in the morning.
Friday Night
Mostly clear, with a low around 60. South wind 3 to 5 mph.
Saturday
Sunny, with a high near 87. Light south wind increasing to 5 to 10 mph in the morning.
Saturday Night
Clear, with a low around 57.
Sunday
Sunny, with a high near 87.
Sunday Night
Mostly clear, with a low around 61.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 84.
Monday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 61.
Tuesday
A 30 percent chance of showers. Mostly sunny, with a high near 82.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 55.
Wednesday
Mostly sunny, with a high near 73.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Gillespie IL
39.12°N 89.81°W (Elev. 653 ft)
39.12°N 89.81°W (Elev. 653 ft)
6:01 am CDT Oct 2, 2025
8am CDT Oct 2, 2025-6pm CDT Oct 8, 2025