Hazardous Weather Conditions
Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fog/Mist
55°F
13°C
| Humidity | 100% |
| Wind Speed | S 9 mph |
| Barometer | 29.79 in (1008.9 mb) |
| Dewpoint | 55°F (13°C) |
| Visibility | 1.75 mi |
| Wind Chill | 53°F (12°C) |
| Last update | 27 Dec 3:53 pm CST |
Extended Forecast for
Belleville IL
Tonight
Low: 59 °F
Patchy Fog
then CloudySunday
High: 69 °F⇓
Slight Chance
Rain then
Rain and
BreezySunday Night
Low: 20 °F
Blustery.
Chance
Rain/Snow
then Mostly
ClearMonday
High: 28 °F
Mostly Sunny
and Breezy
then Mostly
SunnyMonday Night
Low: 18 °F
Mostly Clear
Tuesday
High: 34 °F
Sunny
Tuesday Night
Low: 26 °F
Mostly Clear
Wednesday
High: 45 °F
Mostly Sunny
Wednesday Night
Low: 27 °F
Partly Cloudy
Detailed Forecast
Tonight
Patchy fog before 8pm. Otherwise, cloudy, with a low around 59. South wind 8 to 11 mph, with gusts as high as 23 mph.
Sunday
A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 3pm. Temperature rising to near 69 by noon, then falling to around 56 during the remainder of the day. Breezy, with a south wind 10 to 15 mph becoming west 18 to 23 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 80%.
Sunday Night
A chance of rain, possibly mixing with snow after 9pm, then gradually ending. Mostly cloudy, then gradually becoming mostly clear, with a low around 20. Blustery, with a northwest wind 23 to 26 mph, with gusts as high as 40 mph. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 28. Breezy, with a northwest wind 16 to 23 mph, with gusts as high as 33 mph.
Monday Night
Mostly clear, with a low around 18. Northwest wind 9 to 15 mph, with gusts as high as 24 mph.
Tuesday
Sunny, with a high near 34.
Tuesday Night
Mostly clear, with a low around 26.
Wednesday
Mostly sunny, with a high near 45.
Wednesday Night
Partly cloudy, with a low around 27.
New Year's Day
Mostly sunny, with a high near 40.
Thursday Night
Partly cloudy, with a low around 21.
Friday
Partly sunny, with a high near 42.
Friday Night
Mostly cloudy, with a low around 30.
Saturday
Mostly cloudy, with a high near 48.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Belleville IL
38.52°N 90.01°W (Elev. 535 ft)
38.52°N 90.01°W (Elev. 535 ft)
3:16 pm CST Dec 27, 2025
4pm CST Dec 27, 2025-6pm CST Jan 3, 2026
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