Hazardous Weather Conditions
Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
60°F
16°C
| Humidity | 96% |
| Wind Speed | SE 5 mph |
| Barometer | 29.86 in (1010.9 mb) |
| Dewpoint | 59°F (15°C) |
| Visibility | 10.00 mi |
| Last update | 10 Mar 4:53 am CDT |
Extended Forecast for
3 Miles SSE Mascoutah IL
Today

High: 81 °F
Increasing
CloudsTonight
Low: 58 °F
Mostly Cloudy
then Showers
LikelyWednesday

High: 66 °F⇓
Showers and
BreezyWednesday Night

Low: 34 °F
Decreasing
CloudsThursday

High: 54 °F
Sunny
Thursday Night
Low: 44 °F
Partly Cloudy
then Mostly
Cloudy and
BreezyFriday

High: 63 °F
Partly Sunny
Friday Night

Low: 39 °F
Mostly Cloudy
Saturday

High: 67 °F
Mostly Sunny
Detailed Forecast
Today
Increasing clouds, with a high near 81. South wind 7 to 16 mph, with gusts as high as 26 mph.
Tonight
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 58. Southwest wind 14 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 60%.
Wednesday
Showers and possibly a thunderstorm before 1pm, then a chance of showers. Temperature falling to around 50 by 5pm. Breezy, with a southwest wind 13 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 100%.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 34. Northwest wind 13 to 18 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 26 mph.
Thursday
Sunny, with a high near 54. Light and variable wind becoming southwest 5 to 8 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 44. Breezy.
Friday
Partly sunny, with a high near 63.
Friday Night
Mostly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 67.
Saturday Night
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 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:
3 Miles SSE Mascoutah IL
38.47°N 89.78°W (Elev. 420 ft)
38.47°N 89.78°W (Elev. 420 ft)
5:31 am CDT Mar 10, 2026
5am CDT Mar 10, 2026-6pm CDT Mar 16, 2026



