


Hazardous Weather Conditions
Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
93°F
34°C
Humidity | 59% |
Wind Speed | S 8 mph |
Barometer | 30.07 in |
Dewpoint | 77°F (25°C) |
Visibility | 10.00 mi |
Heat Index | 107°F (42°C) |
Last update | 16 Aug 12:50 pm CDT |
Extended Forecast for
5 Miles SSW Wilsonville IL
Heat Advisory August 16, 12:58pm until August 18, 08:00pm
NOW until 8:00pm Mon
Heat Advisory
This Afternoon
High: 94 °F
Sunny
Tonight
Low: 74 °F
Mostly Clear
Sunday
High: 96 °F
Sunny then
Isolated
T-stormsSunday Night
Low: 74 °F
Mostly Clear
Monday
High: 97 °F
Hot
Monday Night
Low: 74 °F
Mostly Clear
Tuesday
High: 94 °F
Sunny then
Slight Chance
T-stormsTuesday Night
Low: 70 °F
Chance
T-storms
Detailed Forecast
This Afternoon
Sunny, with a high near 94. Heat index values as high as 103. South wind around 6 mph.
Tonight
Mostly clear, with a low around 74. South wind 3 to 5 mph.
Sunday
Isolated showers and thunderstorms after 4pm. Mostly sunny, with a high near 96. Heat index values as high as 105. Light and variable wind becoming south around 5 mph in the afternoon. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 74. Calm wind.
Monday
Sunny and hot, with a high near 97. Calm wind becoming south around 6 mph in the morning.
Monday Night
Mostly clear, with a low around 74.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 94.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 70.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Wednesday Night
Partly cloudy, with a low around 66.
Thursday
Mostly sunny, with a high near 84.
Thursday Night
Mostly clear, with a low around 64.
Friday
Sunny, with a high near 86.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
5 Miles SSW Wilsonville IL
39.01°N 89.87°W (Elev. 600 ft)
39.01°N 89.87°W (Elev. 600 ft)
12:26 pm CDT Aug 16, 2025
12pm CDT Aug 16, 2025-6pm CDT Aug 22, 2025