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 | 29.87 in (1011.2 mb) |
| Dewpoint | 60°F (16°C) |
| Visibility | 10.00 mi |
| Last update | 10 Mar 2:53 am CDT |
Extended Forecast for
4 Miles SW Waterloo IL
Overnight

Low: 62 °F
Mostly Clear
Tuesday

High: 81 °F
Increasing
CloudsTuesday Night
Low: 57 °F
Mostly Cloudy
then Showers
LikelyWednesday

High: 69 °F⇓
Showers
Wednesday Night

Low: 34 °F
Mostly Cloudy
Thursday

High: 55 °F
Sunny
Thursday Night

Low: 44 °F
Partly Cloudy
Friday

High: 64 °F
Partly Sunny
Friday Night

Low: 39 °F
Partly Cloudy
Detailed Forecast
Overnight
Mostly clear, with a low around 62. South wind around 7 mph.
Tuesday
Increasing clouds, with a high near 81. South wind 7 to 15 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. Cloudy, then gradually becoming partly cloudy, with a low around 57. Southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
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 13 to 18 mph becoming northwest in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 100%.
Wednesday Night
Mostly cloudy, with a low around 34. Northwest wind 8 to 17 mph, with gusts as high as 29 mph.
Thursday
Sunny, with a high near 55.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Partly sunny, with a high near 64.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 68.
Saturday Night
Mostly cloudy, with a low around 52.
Sunday
Rain likely. Mostly cloudy, with a high near 63. Breezy. Chance of precipitation is 70%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 24. 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:
4 Miles SW Waterloo IL
38.29°N 90.19°W (Elev. 633 ft)
38.29°N 90.19°W (Elev. 633 ft)
1:25 am CDT Mar 10, 2026
3am CDT Mar 10, 2026-6pm CDT Mar 16, 2026


