Hazardous Weather Conditions
Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Overcast
68°F
20°C
| Humidity | 81% |
| Wind Speed | S 7 mph |
| Barometer | 29.68 in (1004.4 mb) |
| Dewpoint | 62°F (17°C) |
| Visibility | 10.00 mi |
| Last update | 11 Mar 1:54 am CDT |
Extended Forecast for
4 Miles E Portage Des Sioux MO
Overnight
Low: 58 °F
T-storms
Wednesday
High: 62 °F⇓
T-storms then
Rain Likely
and BreezyWednesday Night
Low: 31 °F
Gradual
ClearingThursday
High: 55 °F
Sunny
Thursday Night
Low: 43 °F
Partly Cloudy
Friday
High: 60 °F
Partly Sunny
Friday Night
Low: 36 °F
Mostly Cloudy
Saturday
High: 64 °F
Partly Sunny
Saturday Night
Low: 51 °F
Mostly Cloudy
then Slight
Chance
T-storms
Detailed Forecast
Overnight
Rain and thunderstorms likely, then rain and possibly a thunderstorm after 4am. Low around 58. West wind around 14 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
Wednesday
Rain and possibly a thunderstorm before 1pm, then a chance of rain between 1pm and 3pm. Temperature falling to around 47 by 4pm. Breezy, with a southwest wind 10 to 20 mph becoming northwest in the morning. Winds could gust as high as 30 mph. Chance of precipitation is 90%.
Wednesday Night
Mostly cloudy during the early evening, then gradual clearing, with a low around 31. Northwest wind 13 to 18 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 28 mph.
Thursday
Sunny, with a high near 55. Light west wind becoming southwest 6 to 11 mph in the morning.
Thursday Night
Partly cloudy, with a low around 43. South wind 10 to 18 mph, with gusts as high as 30 mph.
Friday
Partly sunny, with a high near 60.
Friday Night
Mostly cloudy, with a low around 36.
Saturday
Partly sunny, with a high near 64.
Saturday Night
A 20 percent chance of rain and thunderstorms after 1am. Mostly cloudy, with a low around 51.
Sunday
Rain likely and possibly a thunderstorm, then rain after 1pm. High near 65. Breezy. Chance of precipitation is 80%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 24. Blustery. Chance of precipitation is 30%.
Monday
Sunny, with a high near 39. Breezy.
Monday Night
Partly cloudy, with a low around 21.
Tuesday
Partly sunny, with a high near 43.
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)
1:26 am CDT Mar 11, 2026
2am CDT Mar 11, 2026-6pm CDT Mar 17, 2026
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