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

74°F

23°C

Humidity 32%
Wind Speed S 9 mph
Barometer 29.98 in (1014.9 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 14 May 4:54 pm CDT
Extended Forecast for

7 Miles ESE Whiteside MO

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Increasing clouds, with a low around 56. South wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.

    Low: 56 °F

    Partly Cloudy
    then Showers
    Likely

  • Friday

    Friday: Showers and thunderstorms likely, mainly before 1pm. Partly sunny, with a high near 82. Southeast wind 10 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    High: 82 °F

    Showers
    Likely then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 65. South wind around 8 mph.

    Low: 65 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 7am. Mostly cloudy through mid morning, then becoming sunny, with a high near 84. South wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.

    High: 84 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 65. South wind around 7 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 65 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 88. Chance of precipitation is 60%.

    High: 88 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 70. Chance of precipitation is 50%.

    Low: 70 °F

    Chance
    T-storms

Detailed Forecast

Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Increasing clouds, with a low around 56. South wind 8 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Friday
Showers and thunderstorms likely, mainly before 1pm. Partly sunny, with a high near 82. Southeast wind 10 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 65. South wind around 8 mph.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 7am. Mostly cloudy through mid morning, then becoming sunny, with a high near 84. South wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
Saturday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 65. South wind around 7 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 90.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 70.
Monday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 88. Chance of precipitation is 60%.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 70. Chance of precipitation is 50%.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 83. Chance of precipitation is 60%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 76.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 57.
Thursday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles ESE Whiteside MO
 39.15°N 90.92°W (Elev. 699 ft)
Last Update:
3:01 pm CDT May 14, 2026
Forecast Valid:
5pm CDT May 14, 2026-6pm CDT May 21, 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