National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

St. Charles, St. Charles County Smartt Airport (KSET)

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Overcast

66°F

19°C

Humidity 78%
Wind Speed SW 18 G 29 mph
Barometer 29.52 in (999.4 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 8 Jan 7:54 pm CST
Extended Forecast for

Whiteside MO

  • Tonight

    Tonight: A 20 percent chance of rain and thunderstorms before midnight. Increasing clouds, with a low around 41. South wind 15 to 17 mph becoming west after midnight. Winds could gust as high as 31 mph.

    Low: 41 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 49. West wind 9 to 14 mph becoming light and variable in the afternoon. Winds could gust as high as 26 mph.

    High: 49 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 34. Calm wind becoming northwest around 6 mph after midnight.

    Low: 34 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday

    Saturday: A 20 percent chance of rain before noon. Cloudy through mid morning, then gradual clearing, with a high near 42. Northwest wind 7 to 11 mph, with gusts as high as 25 mph.

    High: 42 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 21. Northwest wind around 11 mph, with gusts as high as 24 mph.

    Low: 21 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 34.

    High: 34 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 24.

    Low: 24 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of rain and thunderstorms before midnight. Increasing clouds, with a low around 41. South wind 15 to 17 mph becoming west after midnight. Winds could gust as high as 31 mph.
Friday
Mostly cloudy, with a high near 49. West wind 9 to 14 mph becoming light and variable in the afternoon. Winds could gust as high as 26 mph.
Friday Night
A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 34. Calm wind becoming northwest around 6 mph after midnight.
Saturday
A 20 percent chance of rain before noon. Cloudy through mid morning, then gradual clearing, with a high near 42. Northwest wind 7 to 11 mph, with gusts as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 21. Northwest wind around 11 mph, with gusts as high as 24 mph.
Sunday
Sunny, with a high near 34.
Sunday Night
Mostly clear, with a low around 24.
Monday
Sunny, with a high near 48.
Monday Night
Partly cloudy, with a low around 35.
Tuesday
Partly sunny, with a high near 52.
Tuesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 33.
Wednesday
Mostly cloudy, with a high near 39.
Wednesday Night
Mostly cloudy, with a low around 22.
Thursday
Mostly sunny, with a high near 36.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Whiteside MO
 39.17°N 91.01°W (Elev. 712 ft)
Last Update:
3:57 pm CST Jan 8, 2026
Forecast Valid:
8pm CST Jan 8, 2026-6pm CST Jan 15, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation