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Hazardous Weather Conditions
Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
35°F
2°C
| Humidity | 42% |
| Wind Speed | SW 7 mph |
| Barometer | 29.70 in (1006.0 mb) |
| Dewpoint | 14°F (-10°C) |
| Visibility | 10.00 mi |
| Wind Chill | 29°F (-2°C) |
| Last update | 16 Jan 5:53 am CST |
Extended Forecast for
4 Miles WSW Smithton IL
Today
High: 45 °F
Chance
Rain/Snow
then Slight
Chance RainTonight
Low: 22 °F
Chance
Rain/Snow
then Partly
CloudySaturday

High: 29 °F
Partly Sunny
Saturday Night

Low: 12 °F
Mostly Clear
Sunday

High: 33 °F
Mostly Sunny
Sunday Night

Low: 14 °F
Partly Cloudy
M.L.King Day

High: 24 °F
Sunny
Monday Night

Low: 10 °F
Mostly Clear
Tuesday

High: 39 °F
Sunny
Detailed Forecast
Today
A chance of rain and snow before 1pm, then a slight chance of rain after 4pm. Mostly sunny through mid morning, then becoming cloudy, with a high near 45. West wind 8 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Tonight
A chance of rain before 8pm, then a chance of snow between 8pm and midnight. Cloudy during the early evening, then gradual clearing, with a low around 22. Northwest wind 8 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Saturday
Partly sunny, with a high near 29. West wind 8 to 15 mph, with gusts as high as 22 mph.
Saturday Night
Mostly clear, with a low around 12. Northwest wind 6 to 10 mph.
Sunday
Mostly sunny, with a high near 33. Southwest wind 6 to 11 mph, with gusts as high as 20 mph.
Sunday Night
Partly cloudy, with a low around 14.
M.L.King Day
Sunny, with a high near 24.
Monday Night
Mostly clear, with a low around 10.
Tuesday
Sunny, with a high near 39.
Tuesday Night
Mostly clear, with a low around 27.
Wednesday
Mostly sunny, with a high near 50.
Wednesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 28.
Thursday
A 20 percent chance of rain. Partly sunny, with a high near 42.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
4 Miles WSW Smithton IL
38.37°N 90.04°W (Elev. 499 ft)
38.37°N 90.04°W (Elev. 499 ft)
5:01 am CST Jan 16, 2026
6am CST Jan 16, 2026-6pm CST Jan 22, 2026



