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Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
A Few Clouds
46°F
8°C
| Humidity | 89% |
| Wind Speed | W 9 mph |
| Barometer | 29.75 in (1007.3 mb) |
| Dewpoint | 43°F (6°C) |
| Visibility | 10.00 mi |
| Wind Chill | 41°F (5°C) |
| Last update | 14 Jan 2:53 am CST |
Extended Forecast for
3 Miles NNW Smithton IL
Overnight

Low: 44 °F
Cloudy
Wednesday

High: 40 °F⇓
Gradual
Clearing and
BreezyWednesday Night

Low: 18 °F
Clear
Thursday

High: 34 °F
Sunny
Thursday Night
Low: 27 °F
Slight Chance
Snow then
Mostly CloudyFriday

High: 44 °F
Partly Sunny
Friday Night

Low: 20 °F
Mostly Cloudy
Saturday

High: 28 °F
Partly Sunny
Saturday Night

Low: 9 °F
Partly Cloudy
Detailed Forecast
Overnight
Cloudy, with a steady temperature around 44. West wind 11 to 13 mph, with gusts as high as 25 mph.
Wednesday
Cloudy through mid morning, then gradual clearing, with a temperature falling to around 30 by 5pm. Breezy, with a northwest wind 14 to 23 mph, with gusts as high as 37 mph.
Wednesday Night
Clear, with a low around 18. Northwest wind 7 to 16 mph, with gusts as high as 28 mph.
Thursday
Sunny, with a high near 34. Northwest wind around 6 mph becoming south in the afternoon.
Thursday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 27. South wind 5 to 10 mph becoming west after midnight. Winds could gust as high as 20 mph.
Friday
Partly sunny, with a high near 44.
Friday Night
Mostly cloudy, with a low around 20.
Saturday
Partly sunny, with a high near 28.
Saturday Night
Partly cloudy, with a low around 9.
Sunday
Mostly sunny, with a high near 26.
Sunday Night
Partly cloudy, with a low around 15.
M.L.King Day
Mostly sunny, with a high near 31.
Monday Night
Mostly clear, with a low around 12.
Tuesday
Sunny, with a high near 35.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles NNW Smithton IL
38.46°N 90.01°W (Elev. 499 ft)
38.46°N 90.01°W (Elev. 499 ft)
3:16 am CST Jan 14, 2026
3am CST Jan 14, 2026-6pm CST Jan 20, 2026


