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Hazardous Weather Conditions
Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Overcast
89°F
32°C
| Humidity | 48% |
| Wind Speed | SW 16 G 25 mph |
| Barometer | 29.40 in (995.0 mb) |
| Dewpoint | 67°F (19°C) |
| Visibility | 10.00 mi |
| Heat Index | 92°F (33°C) |
| Last update | 17 Jun 5:54 pm CDT |
Extended Forecast for
4 Miles S St. Charles County Smartt Airport MO
Tornado Watch until June 17, 10:00pm
Wind Advisory June 17, 06:27pm until June 17, 08:00pm
NOW: Multiple hazards in effect
Click HERE for Details
Tonight
Low: 68 °F
Severe
Thunderstorms
and Breezy
then Partly
CloudyThursday
High: 81 °F
Sunny then
Isolated
ShowersThursday Night

Low: 60 °F
Decreasing
CloudsJuneteenth

High: 85 °F
Sunny
Friday Night

Low: 65 °F
Partly Cloudy
Saturday

High: 86 °F
Partly Sunny
Saturday Night

Low: 68 °F
Chance
T-stormsSunday

High: 84 °F
Heavy Rain
Detailed Forecast
Tonight
Showers and thunderstorms likely, mainly before 11pm. Some of the storms could be severe. Cloudy, then gradually becoming partly cloudy, with a low around 68. Breezy, with a west wind 19 to 24 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 39 mph. Chance of precipitation is 60%.
Thursday
Isolated showers between 1pm and 4pm. Mostly sunny, with a high near 81. Northwest wind 6 to 9 mph. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, then gradually becoming clear, with a low around 60. West wind 5 to 7 mph becoming calm in the evening.
Juneteenth
Sunny, with a high near 85. Calm wind becoming north around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 65. North wind around 5 mph becoming calm in the evening.
Saturday
Partly sunny, with a high near 86.
Saturday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Sunday
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 84. Chance of precipitation is 80%.
Sunday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 65. Chance of precipitation is 80%.
Monday
Partly sunny, with a high near 80.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Mostly sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 63.
Wednesday
Mostly sunny, with a high near 85.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
4 Miles S St. Charles County Smartt Airport MO
38.87°N 90.45°W (Elev. 436 ft)
38.87°N 90.45°W (Elev. 436 ft)
5:51 pm CDT Jun 17, 2026
6pm CDT Jun 17, 2026-6pm CDT Jun 24, 2026



