Hazardous Weather Conditions
Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Light Rain
69°F
21°C
| Humidity | 78% |
| Wind Speed | SW 18 G 38 mph |
| Barometer | 29.75 in (1006.9 mb) |
| Dewpoint | 62°F (17°C) |
| Visibility | 9.00 mi |
| Last update | 17 Apr 10:53 pm CDT |
Extended Forecast for
4 Miles WSW Smithton IL
Tornado Watch April 17, 10:59pm until April 18, 12:00am
NOW until 12:00am Sat
Tornado Watch
Tonight
Low: 48 °F
Severe
Thunderstorms
then ShowersSaturday
High: 59 °F
Showers
Likely then
Mostly SunnySaturday Night

Low: 39 °F
Clear
Sunday

High: 67 °F
Sunny
Sunday Night

Low: 41 °F
Mostly Clear
Monday

High: 69 °F
Sunny
Monday Night

Low: 50 °F
Clear
Tuesday

High: 79 °F
Mostly Sunny
Detailed Forecast
Tonight
Showers and thunderstorms likely before midnight, then showers and possibly a thunderstorm between midnight and 4am, then showers after 4am. Some of the storms could be severe. Low around 48. South wind 5 to 13 mph becoming west after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 100%.
Saturday
Showers likely, mainly before 8am. Cloudy through mid morning, then gradual clearing, with a high near 59. Northwest wind 15 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Saturday Night
Clear, with a low around 39. Northwest wind 5 to 10 mph becoming light and variable after midnight.
Sunday
Sunny, with a high near 67. Light southwest wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 21 mph.
Sunday Night
Mostly clear, with a low around 41. Northwest wind around 6 mph becoming light and variable after midnight.
Monday
Sunny, with a high near 69.
Monday Night
Clear, with a low around 50.
Tuesday
Mostly sunny, with a high near 79.
Tuesday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 57.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 83.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 79.
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)
10:51 pm CDT Apr 17, 2026
10pm CDT Apr 17, 2026-6pm CDT Apr 24, 2026



