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.

Rain Fog/Mist

63°F

17°C

Humidity 90%
Wind Speed W 8 mph
Barometer 29.91 in (1012.5 mb)
Dewpoint 60°F (16°C)
Visibility 6.00 mi
Last update 4 Apr 5:54 am CDT
Extended Forecast for

Whiteside MO

  • Overnight

    Overnight: Showers. Steady temperature around 61. West wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.

    Low: 61 °F

    Showers

  • Saturday

    Saturday: Showers likely, mainly before 10am. Mostly cloudy, with a temperature falling to around 49 by 10am. West wind 11 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.

    High: 56 °F⇓

    Showers
    Likely then
    Mostly Cloudy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 37. West wind 9 to 13 mph, with gusts as high as 25 mph.

    Low: 37 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 57. Northwest wind 8 to 10 mph, with gusts as high as 21 mph.

    High: 57 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 38. West wind 3 to 6 mph.

    Low: 38 °F

    Clear

  • Monday

    Monday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 50.

    High: 50 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Showers. Steady temperature around 61. West wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.
Saturday
Showers likely, mainly before 10am. Mostly cloudy, with a temperature falling to around 49 by 10am. West wind 11 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Saturday Night
Partly cloudy, with a low around 37. West wind 9 to 13 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 57. Northwest wind 8 to 10 mph, with gusts as high as 21 mph.
Sunday Night
Clear, with a low around 38. West wind 3 to 6 mph.
Monday
Mostly sunny, with a high near 57.
Monday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 34.
Tuesday
Mostly cloudy, with a high near 50.
Tuesday Night
Mostly cloudy, with a low around 40.
Wednesday
Partly sunny, with a high near 71.
Wednesday Night
Partly cloudy, with a low around 52.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 74.
Thursday Night
A 20 percent chance of showers. Partly cloudy, with a low around 54.
Friday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Whiteside MO
 39.17°N 91.01°W (Elev. 712 ft)
Last Update:
4:36 am CDT Apr 4, 2026
Forecast Valid:
5am CDT Apr 4, 2026-6pm CDT Apr 10, 2026
 
Forecast Discussion
 
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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