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

40°F

4°C

Humidity 53%
Wind Speed SW 10 mph
Barometer 29.79 in (1009.0 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 16 Jan 5:54 pm CST
Extended Forecast for

Whiteside MO

  • Tonight

    Tonight: Snow likely before midnight, then isolated snow showers between midnight and 3am, then scattered flurries after 3am. Mostly cloudy, with a low around 17. West wind 10 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 17 °F

    Snow Likely
    then Isolated
    Snow Showers

  • Saturday

    Saturday: Scattered flurries after noon. Mostly cloudy, with a high near 23. West wind around 14 mph, with gusts as high as 28 mph.

    High: 23 °F

    Scattered
    Flurries

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 9. West wind 7 to 11 mph, with gusts as high as 22 mph.

    Low: 9 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Partly sunny, with a high near 32. Southwest wind 6 to 10 mph, with gusts as high as 24 mph.

    High: 32 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 10. Northwest wind 8 to 14 mph, with gusts as high as 26 mph.

    Low: 10 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 21.

    High: 21 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 10.

    Low: 10 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 35.

    High: 35 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

Detailed Forecast

Tonight
Snow likely before midnight, then isolated snow showers between midnight and 3am, then scattered flurries after 3am. Mostly cloudy, with a low around 17. West wind 10 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.
Saturday
Scattered flurries after noon. Mostly cloudy, with a high near 23. West wind around 14 mph, with gusts as high as 28 mph.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 9. West wind 7 to 11 mph, with gusts as high as 22 mph.
Sunday
Partly sunny, with a high near 32. Southwest wind 6 to 10 mph, with gusts as high as 24 mph.
Sunday Night
Mostly clear, with a low around 10. Northwest wind 8 to 14 mph, with gusts as high as 26 mph.
M.L.King Day
Sunny, with a high near 21.
Monday Night
Mostly clear, with a low around 10.
Tuesday
Mostly sunny, with a high near 35.
Tuesday Night
Partly cloudy, with a low around 26.
Wednesday
Partly sunny, with a high near 46.
Wednesday Night
Partly cloudy, with a low around 21.
Thursday
Mostly sunny, with a high near 34.
Thursday Night
A 20 percent chance of snow. Partly cloudy, with a low around 21.
Friday
A slight chance of rain and snow. Partly sunny, with a high near 37. Chance of precipitation is 20%.
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:
4:56 pm CST Jan 16, 2026
Forecast Valid:
6pm CST Jan 16, 2026-6pm CST Jan 23, 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