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Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
30°F
-1°C
| Humidity | 56% |
| Wind Speed | S 7 mph |
| Barometer | 30.34 in (1027.7 mb) |
| Dewpoint | 16°F (-9°C) |
| Visibility | 10.00 mi |
| Wind Chill | 23°F (-5°C) |
| Last update | 12 Jan 6:53 am CST |
Extended Forecast for
4 Miles SW Waterloo IL
Today
High: 55 °F
Sunny
Tonight
Low: 36 °F
Mostly Clear
Tuesday
High: 63 °F
Increasing
CloudsTuesday Night
Low: 40 °F
Chance
Showers then
Mostly CloudyWednesday
High: 43 °F⇓
Partly Sunny
then Mostly
Cloudy and
BreezyWednesday Night
Low: 18 °F
Partly Cloudy
Thursday
High: 32 °F
Mostly Sunny
Thursday Night
Low: 26 °F
Mostly Cloudy
Friday
High: 43 °F
Partly Sunny
Detailed Forecast
Today
Sunny, with a high near 55. Southwest wind 6 to 10 mph.
Tonight
Mostly clear, with a low around 36. Southwest wind 6 to 8 mph.
Tuesday
Increasing clouds, with a high near 63. Southwest wind 9 to 15 mph, with gusts as high as 26 mph.
Tuesday Night
A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 40. West wind 9 to 11 mph.
Wednesday
Mostly cloudy, with a temperature falling to around 33 by 5pm. Breezy, with a northwest wind 11 to 20 mph, with gusts as high as 29 mph.
Wednesday Night
Partly cloudy, with a low around 18.
Thursday
Mostly sunny, with a high near 32.
Thursday Night
Mostly cloudy, with a low around 26.
Friday
Partly sunny, with a high near 43.
Friday Night
Mostly cloudy, with a low around 21.
Saturday
Partly sunny, with a high near 30.
Saturday Night
Partly cloudy, with a low around 12.
Sunday
Sunny, with a high near 32.
Additional Forecasts and Information
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Forecast AreaABOUT 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)
5:01 am CST Jan 12, 2026
7am CST Jan 12, 2026-6pm CST Jan 18, 2026
Additional Resources
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