Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
66°F
19°C
| Humidity | 81% |
| Wind Speed | SW 6 mph |
| Barometer | 29.86 in (1010.8 mb) |
| Dewpoint | 60°F (16°C) |
| Visibility | 10.00 mi |
| Last update | 10 Mar 1:53 am CDT |
Extended Forecast for
2 Miles SE Cahokia IL
Overnight

Low: 61 °F
Mostly Clear
Tuesday

High: 83 °F
Increasing
CloudsTuesday Night
Low: 56 °F
Slight Chance
T-storms then
Showers
LikelyWednesday

High: 69 °F⇓
Showers
Wednesday Night

Low: 35 °F
Mostly Cloudy
Thursday

High: 56 °F
Sunny
Thursday Night

Low: 45 °F
Partly Cloudy
Friday

High: 65 °F
Partly Sunny
Friday Night

Low: 40 °F
Mostly Cloudy
Detailed Forecast
Overnight
Mostly clear, with a low around 61. South wind around 8 mph.
Tuesday
Increasing clouds, with a high near 83. South wind 6 to 16 mph, with gusts as high as 26 mph.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Mostly cloudy, with a low around 56. Southwest wind 13 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 70%.
Wednesday
Showers and possibly a thunderstorm before 1pm, then showers likely between 1pm and 2pm, then rain likely after 2pm. Temperature falling to around 50 by 5pm. Southwest wind 11 to 18 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%.
Wednesday Night
Mostly cloudy, with a low around 35. Northwest wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 28 mph.
Thursday
Sunny, with a high near 56.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Partly sunny, with a high near 65.
Friday Night
Mostly cloudy, with a low around 40.
Saturday
Mostly sunny, with a high near 69.
Saturday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 52.
Sunday
Rain likely. Mostly cloudy, with a high near 62. Breezy. Chance of precipitation is 70%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 25. Blustery. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 37.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
2 Miles SE Cahokia IL
38.53°N 90.15°W (Elev. 499 ft)
38.53°N 90.15°W (Elev. 499 ft)
1:25 am CDT Mar 10, 2026
1am CDT Mar 10, 2026-6pm CDT Mar 16, 2026


