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.

A Few Clouds

80°F

27°C

Humidity 62%
Wind Speed S 5 mph
Barometer 29.96 in (1014.0 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 16 Jun 12:54 pm CDT
Extended Forecast for

3 Miles WSW Greenfield IL

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms, mainly between 3pm and 4pm. Partly sunny, with a high near 82. South wind around 5 mph.

    High: 82 °F

    Chance
    T-storms

  • Tonight

    Tonight: Mostly cloudy, with a low around 68. Southeast wind 3 to 5 mph.

    Low: 68 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 88. South wind around 6 mph.

    High: 88 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms, mainly between 8pm and 11pm. Increasing clouds, with a low around 71. Light and variable wind becoming southeast 5 to 8 mph in the evening.

    Low: 71 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 84. South wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.

    High: 84 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Partly cloudy, with a low around 64. Chance of precipitation is 40%.

    Low: 64 °F

    Chance
    T-storms then
    Chance
    Showers

  • Juneteenth

    Juneteenth: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly between 3pm and 4pm. Partly sunny, with a high near 82. South wind around 5 mph.
Tonight
Mostly cloudy, with a low around 68. Southeast wind 3 to 5 mph.
Tuesday
Mostly sunny, with a high near 88. South wind around 6 mph.
Tuesday Night
A 40 percent chance of showers and thunderstorms, mainly between 8pm and 11pm. Increasing clouds, with a low around 71. Light and variable wind becoming southeast 5 to 8 mph in the evening.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 84. South wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.
Wednesday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Partly cloudy, with a low around 64. Chance of precipitation is 40%.
Juneteenth
Sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 66.
Friday
Sunny, with a high near 87.
Friday Night
Mostly clear, with a low around 73.
Saturday
Sunny, with a high near 92.
Saturday Night
Mostly clear, with a low around 75.
Sunday
Sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Greenfield IL
 39.33°N 90.26°W (Elev. 551 ft)
Last Update:
12:22 pm CDT Jun 16, 2025
Forecast Valid:
1pm CDT Jun 16, 2025-6pm CDT Jun 22, 2025
 
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