Hazardous Weather Conditions
Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Overcast
73°F
23°C
| Humidity | 74% |
| Wind Speed | SW 13 G 21 mph |
| Barometer | 29.70 in (1005.4 mb) |
| Dewpoint | 64°F (18°C) |
| Visibility | 10.00 mi |
| Last update | 11 Mar 1:53 am CDT |
Extended Forecast for
3 Miles SSE Waterloo IL
Overnight
Low: 68 °F
T-storms
Wednesday
High: 65 °F⇓
T-storms then
Rain Likely
and BreezyWednesday Night
Low: 31 °F
Gradual
ClearingThursday
High: 54 °F
Sunny
Thursday Night
Low: 43 °F
Partly Cloudy
then Partly
Cloudy and
BreezyFriday
High: 62 °F
Partly Sunny
Friday Night
Low: 36 °F
Partly Cloudy
Saturday
High: 65 °F
Mostly Sunny
Saturday Night
Low: 53 °F
Mostly Cloudy
Detailed Forecast
Overnight
Rain and thunderstorms likely, then rain and possibly a thunderstorm after 5am. Steady temperature around 68. Southwest wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.
Wednesday
Rain and thunderstorms before 1pm, then a chance of rain. Temperature falling to around 48 by 4pm. Breezy, with a southwest wind 11 to 21 mph becoming northwest in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 100%.
Wednesday Night
Mostly cloudy during the early evening, then gradual clearing, with a low around 31. Northwest wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 30 mph.
Thursday
Sunny, with a high near 54. Light and variable wind becoming southwest 5 to 8 mph in the morning.
Thursday Night
Partly cloudy, with a low around 43. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.
Friday
Partly sunny, with a high near 62.
Friday Night
Partly cloudy, with a low around 36.
Saturday
Mostly sunny, with a high near 65.
Saturday Night
Mostly cloudy, with a low around 53.
Sunday
A chance of rain and thunderstorms, then rain after 1pm. High near 65. Breezy. Chance of precipitation is 80%.
Sunday Night
A chance of rain and snow. Partly cloudy, with a low around 25. Blustery. Chance of precipitation is 30%.
Monday
Sunny, with a high near 39. Breezy.
Monday Night
Partly cloudy, with a low around 21.
Tuesday
Partly sunny, with a high near 43.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles SSE Waterloo IL
38.28°N 90.13°W (Elev. 656 ft)
38.28°N 90.13°W (Elev. 656 ft)
1:26 am CDT Mar 11, 2026
2am CDT Mar 11, 2026-6pm CDT Mar 17, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
