Hazardous Weather Conditions
Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
A Few Clouds
85°F
29°C
| Humidity | 50% |
| Wind Speed | S 20 G 26 mph |
| Barometer | 29.75 in (1007.0 mb) |
| Dewpoint | 64°F (18°C) |
| Visibility | 10.00 mi |
| Heat Index | 86°F (30°C) |
| Last update | 17 Apr 2:54 pm CDT |
Extended Forecast for
4 Miles E Portage Des Sioux MO
Tornado Watch until April 17, 11:00pm
Severe T-storm Warning until April 17, 04:15pm
NOW: Multiple hazards in effect
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This Afternoon
High: 86 °F
Slight Chance
T-stormsTonight
Low: 47 °F
T-storms
Saturday
High: 59 °F
Chance
Showers then
SunnySaturday Night
Low: 39 °F
Clear
Sunday
High: 68 °F
Sunny
Sunday Night
Low: 41 °F
Mostly Clear
Monday
High: 70 °F
Sunny
Monday Night
Low: 52 °F
Mostly Clear
Detailed Forecast
This Afternoon
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 86. South wind around 17 mph, with gusts as high as 26 mph.
Tonight
Showers and thunderstorms. Low around 47. South wind 10 to 14 mph becoming west after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 100%.
Saturday
A 30 percent chance of showers before 8am. Cloudy through mid morning, then gradual clearing, with a high near 59. Northwest wind around 17 mph, with gusts as high as 26 mph.
Saturday Night
Clear, with a low around 39. Northwest wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
Sunday
Sunny, with a high near 68. Light west wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 22 mph.
Sunday Night
Mostly clear, with a low around 41.
Monday
Sunny, with a high near 70.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 58. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Friday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles E Portage Des Sioux MO
38.93°N 90.27°W (Elev. 407 ft)
38.93°N 90.27°W (Elev. 407 ft)
3:01 pm CDT Apr 17, 2026
3pm CDT Apr 17, 2026-6pm CDT Apr 24, 2026
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