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.

Fair

43°F

6°C

Humidity 65%
Wind Speed E 8 mph
Barometer 30.26 in (1024.8 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 29 Mar 7:54 am CDT
Extended Forecast for

Whiteside MO

  • Today

    Today: Partly sunny, with a high near 70. South wind 8 to 14 mph, with gusts as high as 23 mph.

    High: 70 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 56. South wind 7 to 10 mph, with gusts as high as 22 mph.

    Low: 56 °F

    Decreasing
    Clouds

  • Monday

    Monday: Sunny, with a high near 84. Southwest wind 10 to 13 mph, with gusts as high as 26 mph.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 65. South wind 10 to 14 mph, with gusts as high as 29 mph.

    Low: 65 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of rain before 10am, then a chance of rain and thunderstorms between 10am and 1pm, then rain likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 82. South wind 14 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 60%.

    High: 82 °F

    Chance Rain
    then Rain
    Likely

  • Tuesday Night

    Tuesday Night: Rain and possibly a thunderstorm. Low around 45. Chance of precipitation is 90%.

    Low: 45 °F

    Rain

  • Wednesday

    Wednesday: Rain likely and possibly a thunderstorm before 1pm, then a chance of rain and thunderstorms after 1pm. Mostly cloudy, with a high near 53. Chance of precipitation is 60%.

    High: 53 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: Rain likely. Mostly cloudy, with a low around 42. Chance of precipitation is 70%.

    Low: 42 °F

    Rain Likely

  • Thursday

    Thursday: Rain likely. Cloudy, with a high near 57. Chance of precipitation is 70%.

    High: 57 °F

    Rain Likely

Detailed Forecast

Today
Partly sunny, with a high near 70. South wind 8 to 14 mph, with gusts as high as 23 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 56. South wind 7 to 10 mph, with gusts as high as 22 mph.
Monday
Sunny, with a high near 84. Southwest wind 10 to 13 mph, with gusts as high as 26 mph.
Monday Night
Partly cloudy, with a low around 65. South wind 10 to 14 mph, with gusts as high as 29 mph.
Tuesday
A chance of rain before 10am, then a chance of rain and thunderstorms between 10am and 1pm, then rain likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 82. South wind 14 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 60%.
Tuesday Night
Rain and possibly a thunderstorm. Low around 45. Chance of precipitation is 90%.
Wednesday
Rain likely and possibly a thunderstorm before 1pm, then a chance of rain and thunderstorms after 1pm. Mostly cloudy, with a high near 53. Chance of precipitation is 60%.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 42. Chance of precipitation is 70%.
Thursday
Rain likely. Cloudy, with a high near 57. Chance of precipitation is 70%.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 44.
Friday
A 40 percent chance of rain. Partly sunny, with a high near 74.
Friday Night
Rain and thunderstorms likely. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.
Saturday
Rain likely. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.
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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:
1:26 am CDT Mar 29, 2026
Forecast Valid:
8am CDT Mar 29, 2026-6pm CDT Apr 4, 2026
 
Forecast Discussion
 
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Additional Resources

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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