


Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
62°F
17°C
Humidity | 84% |
Wind Speed | NE 3 mph |
Barometer | 30.15 in (1020.8 mb) |
Dewpoint | 57°F (14°C) |
Visibility | 10.00 mi |
Last update | 3 Aug 1:53 am CDT |
Extended Forecast for
Cahokia IL
Overnight
Low: 57 °F
Partly Cloudy
Sunday
High: 83 °F
Sunny
Sunday Night
Low: 66 °F
Mostly Cloudy
Monday
High: 83 °F
Mostly Cloudy
then Chance
T-stormsMonday Night
Low: 68 °F
Partly Cloudy
Tuesday
High: 86 °F
Partly Sunny
then Slight
Chance
T-stormsTuesday Night
Low: 69 °F
Mostly Clear
Wednesday
High: 89 °F
Mostly Sunny
Wednesday Night
Low: 70 °F
Mostly Clear
Detailed Forecast
Overnight
Partly cloudy, with a low around 57. Light north wind.
Sunday
Sunny, with a high near 83. Northeast wind 3 to 8 mph.
Sunday Night
Mostly cloudy, with a low around 66. Northeast wind 3 to 7 mph.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 83. Calm wind becoming east around 6 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 68. East wind around 5 mph becoming calm in the evening.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86.
Tuesday Night
Mostly clear, with a low around 69.
Wednesday
Mostly sunny, with a high near 89.
Wednesday Night
Mostly clear, with a low around 70.
Thursday
Sunny, with a high near 91.
Thursday Night
Mostly clear, with a low around 72.
Friday
Sunny, with a high near 93.
Friday Night
Mostly clear, with a low around 73.
Saturday
Sunny, with a high near 95.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Cahokia IL
38.57°N 90.18°W (Elev. 407 ft)
38.57°N 90.18°W (Elev. 407 ft)
2:36 am CDT Aug 3, 2025
3am CDT Aug 3, 2025-6pm CDT Aug 9, 2025