Hazardous Weather Conditions
Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
62°F
17°C
| Humidity | 50% |
| Wind Speed | SW 7 mph |
| Barometer | 29.97 in (1015.0 mb) |
| Dewpoint | 43°F (6°C) |
| Visibility | 10.00 mi |
| Last update | 27 Feb 10:53 am CST |
Extended Forecast for
4 Miles SW Waterloo IL
Today

High: 71 °F
Sunny
Tonight

Low: 40 °F
Mostly Clear
Saturday
High: 68 °F
Sunny then
Slight Chance
RainSaturday Night

Low: 32 °F
Partly Cloudy
Sunday
High: 46 °F
Mostly Cloudy
then Slight
Chance RainSunday Night

Low: 33 °F
Rain/Snow
Monday
High: 44 °F
Chance
Rain/Snow
then Slight
Chance RainMonday Night

Low: 36 °F
Chance Rain
Tuesday

High: 54 °F
Rain Likely
Detailed Forecast
Today
Sunny, with a high near 71. Southwest wind 10 to 15 mph, with gusts as high as 23 mph.
Tonight
Mostly clear, with a low around 40. Southwest wind 6 to 8 mph becoming northeast after midnight.
Saturday
A slight chance of rain between 4pm and 5pm. Mostly sunny, with a high near 68. Northeast wind 6 to 9 mph becoming south in the afternoon. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 32. South wind 7 to 13 mph becoming north after midnight. Winds could gust as high as 21 mph.
Sunday
A 20 percent chance of rain after noon. Mostly cloudy, with a high near 46. East wind 9 to 11 mph.
Sunday Night
Rain before 9pm, then rain and snow. Low around 33. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Monday
A chance of rain and snow before noon, then a slight chance of rain. Mostly cloudy, with a high near 44. Chance of precipitation is 40%.
Monday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 36.
Tuesday
Rain likely, with thunderstorms also possible after noon. Cloudy, with a high near 54. Chance of precipitation is 70%.
Tuesday Night
Rain likely, with thunderstorms also possible after midnight. Cloudy, with a low around 44. Chance of precipitation is 70%.
Wednesday
Rain likely and possibly a thunderstorm. Cloudy, with a high near 63. Chance of precipitation is 60%.
Wednesday Night
Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 52. Chance of precipitation is 70%.
Thursday
Rain likely. Partly sunny, with a high near 69. Chance of precipitation is 60%.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
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)
10:31 am CST Feb 27, 2026
11am CST Feb 27, 2026-6pm CST Mar 5, 2026



