Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
70°F
21°C
| Humidity | 93% |
| Wind Speed | Calm |
| Barometer | 30.02 in |
| Dewpoint | 68°F (20°C) |
| Visibility | 10.00 mi |
| Last update | 19 Jun 11:35 pm CDT |
Extended Forecast for
Gillespie IL
Tonight
Low: 64 °F
Mostly Clear
Friday
High: 89 °F
Mostly Sunny
Friday Night
Low: 73 °F
Mostly Clear
Saturday
High: 93 °F
Sunny
Saturday Night
Low: 74 °F
Mostly Clear
Sunday
High: 93 °F
Sunny
Sunday Night
Low: 74 °F
Mostly Clear
Monday
High: 93 °F
Sunny
Monday Night
Low: 74 °F
Mostly Clear
Detailed Forecast
Tonight
Mostly clear, with a low around 64. South wind 3 to 5 mph.
Friday
Mostly sunny, with a high near 89. South wind 6 to 13 mph.
Friday Night
Mostly clear, with a low around 73. South wind around 11 mph, with gusts as high as 21 mph.
Saturday
Sunny, with a high near 93. Heat index values as high as 100. South wind 11 to 15 mph, with gusts as high as 23 mph.
Saturday Night
Mostly clear, with a low around 74. South wind 8 to 11 mph.
Sunday
Sunny, with a high near 93.
Sunday Night
Mostly clear, with a low around 74.
Monday
Sunny, with a high near 93.
Monday Night
Mostly clear, with a low around 74.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 92.
Tuesday Night
Partly cloudy, with a low around 74.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Thursday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 90.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
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)
10:36 pm CDT Jun 19, 2025
11pm CDT Jun 19, 2025-6pm CDT Jun 26, 2025
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
