Hazardous Weather Conditions
Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Mostly Cloudy and Windy
72°F
22°C
| Humidity | 68% |
| Wind Speed | S 30 G 38 mph |
| Barometer | 29.74 in (1006.7 mb) |
| Dewpoint | 61°F (16°C) |
| Visibility | 10.00 mi |
| Last update | 2 Apr 11:54 am CDT |
Extended Forecast for
4 Miles E Portage Des Sioux MO
Wind Advisory until April 2, 07:00pm
NOW until 7:00pm Thu

Wind Advisory
This Afternoon

High: 74 °F
Showers and
BreezyTonight
Low: 62 °F
Chance
T-storms then
Chance
ShowersFriday
High: 82 °F
Chance
Showers then
Chance
T-stormsFriday Night

Low: 55 °F
Showers
Saturday

High: 58 °F
Chance
ShowersSaturday Night

Low: 39 °F
Partly Cloudy
Sunday

High: 59 °F
Sunny
Sunday Night

Low: 39 °F
Clear
Detailed Forecast
This Afternoon
Showers and possibly a thunderstorm. High near 74. Breezy, with a south wind 22 to 24 mph, with gusts as high as 38 mph. Chance of precipitation is 80%.
Tonight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. South wind 12 to 17 mph becoming light and variable after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 50%.
Friday
A 50 percent chance of showers and thunderstorms, mainly after 11am. Partly sunny, with a high near 82. Light and variable wind becoming south 9 to 14 mph in the morning. Winds could gust as high as 22 mph.
Friday Night
A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 55. South wind around 11 mph, with gusts as high as 20 mph. Chance of precipitation is 100%.
Saturday
A 50 percent chance of showers, mainly before 1pm. Mostly cloudy, with a steady temperature around 58. West wind 10 to 16 mph, with gusts as high as 24 mph.
Saturday Night
Partly cloudy, with a low around 39.
Sunday
Sunny, with a high near 59.
Sunday Night
Clear, with a low around 39.
Monday
Sunny, with a high near 64.
Monday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 39.
Tuesday
Mostly sunny, with a high near 60.
Tuesday Night
Partly cloudy, with a low around 40.
Wednesday
Mostly sunny, with a high near 71.
Additional Forecasts and Information
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ABOUT 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)
10:56 am CDT Apr 2, 2026
12pm CDT Apr 2, 2026-6pm CDT Apr 8, 2026



