Hazardous Weather Conditions
Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
54°F
12°C
| Humidity | 47% |
| Wind Speed | N 15 G 24 mph |
| Barometer | 30.44 in (1031.0 mb) |
| Dewpoint | 34°F (1°C) |
| Visibility | 10.00 mi |
| Wind Chill | 50°F (10°C) |
| Last update | 27 Mar 3:53 pm CDT |
Extended Forecast for
2 Miles WNW Belleville IL
Freeze Warning March 28, 01:00am until March 28, 09:00am
Tonight

Low: 29 °F
Mostly Clear
then FrostSaturday

High: 55 °F
Frost then
SunnySaturday Night

Low: 40 °F
Increasing
CloudsSunday

High: 68 °F
Partly Sunny
Sunday Night

Low: 57 °F
Partly Cloudy
Monday

High: 81 °F
Mostly Sunny
Monday Night

Low: 65 °F
Partly Cloudy
Tuesday
High: 83 °F
Mostly Sunny
then Chance
RainTuesday Night

Low: 50 °F
Rain Likely
Detailed Forecast
Tonight
Widespread frost after 4am. Otherwise, mostly clear, with a low around 29. North wind 5 to 14 mph, with gusts as high as 23 mph.
Saturday
Widespread frost before 8am. Otherwise, sunny, with a high near 55. Light and variable wind becoming south 5 to 7 mph in the morning.
Saturday Night
Increasing clouds, with a low around 40. South wind around 7 mph.
Sunday
Partly sunny, with a high near 68. South wind 7 to 14 mph, with gusts as high as 23 mph.
Sunday Night
Partly cloudy, with a low around 57. South wind around 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 65.
Tuesday
A 30 percent chance of rain and thunderstorms after 1pm. Partly sunny, with a high near 83.
Tuesday Night
A chance of rain, then rain likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 50. Chance of precipitation is 70%.
Wednesday
Rain likely and possibly a thunderstorm before 1pm, then a chance of rain and thunderstorms after 1pm. Mostly cloudy, with a high near 61. Chance of precipitation is 60%.
Wednesday Night
Rain and thunderstorms likely. Mostly cloudy, with a low around 44. Chance of precipitation is 60%.
Thursday
Rain and thunderstorms likely. Mostly cloudy, with a high near 57. Chance of precipitation is 60%.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 47.
Friday
A 40 percent chance of rain and thunderstorms. Partly sunny, with a high near 69.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
2 Miles WNW Belleville IL
38.55°N 90.04°W (Elev. 538 ft)
38.55°N 90.04°W (Elev. 538 ft)
1:56 pm CDT Mar 27, 2026
4pm CDT Mar 27, 2026-6pm CDT Apr 3, 2026



