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

82°F

28°C

Humidity 60%
Wind Speed NE 7 mph
Barometer 30.05 in (1016.9 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 15 Jun 1:54 pm CDT
Extended Forecast for

4 Miles WNW Old Monroe MO

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 83. East wind around 5 mph.

    High: 83 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 68. East wind around 5 mph becoming calm in the evening.

    Low: 68 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of showers and thunderstorms between 1pm and 4pm. Partly sunny, with a high near 84. Calm wind becoming southeast around 5 mph. Chance of precipitation is 20%.

    High: 84 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 68. Light southeast wind.

    Low: 68 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 90. Calm wind becoming south 5 to 7 mph in the morning.

    High: 90 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.

    Low: 71 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 1pm. Mostly cloudy, with a high near 84. Chance of precipitation is 70%.

    High: 84 °F

    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 66.

    Low: 66 °F

    Chance
    T-storms

  • Juneteenth

    Juneteenth: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 83. East wind around 5 mph.
Tonight
Mostly cloudy, with a low around 68. East wind around 5 mph becoming calm in the evening.
Monday
A slight chance of showers and thunderstorms between 1pm and 4pm. Partly sunny, with a high near 84. Calm wind becoming southeast around 5 mph. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 68. Light southeast wind.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 90. Calm wind becoming south 5 to 7 mph in the morning.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Wednesday
Showers and thunderstorms likely, mainly after 1pm. Mostly cloudy, with a high near 84. Chance of precipitation is 70%.
Wednesday Night
A 40 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 66.
Juneteenth
Sunny, with a high near 85.
Thursday Night
Mostly clear, with a low around 67.
Friday
Sunny, with a high near 90.
Friday Night
Mostly clear, with a low around 73.
Saturday
Sunny, with a high near 92.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Old Monroe MO
 38.94°N 90.82°W (Elev. 525 ft)
Last Update:
12:06 pm CDT Jun 15, 2025
Forecast Valid:
2pm CDT Jun 15, 2025-6pm CDT Jun 21, 2025
 
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