![National Oceanic and Atmospheric Administration](/build/images/header/noaa.d87e0251.png)
![National Weather Service](/build/images/header/nws.4e6585d8.png)
![United States Department of Commerce](/build/images/header/doc.b38ba91a.png)
News Headlines
Hazardous Weather Conditions
Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.![](newimages/large/sct.png)
Fair
86°F
30°C
Humidity | 57% |
Wind Speed | S 7 mph |
Barometer | 30.29 in (1025.0 mb) |
Dewpoint | 69°F (21°C) |
Visibility | 10.00 mi |
Heat Index | 90°F (32°C) |
Last update | 20 Jun 9:54 am CDT |
Extended Forecast for
Grafton IL
Today
High: 93 °F
Mostly Sunny
Tonight
Low: 73 °F
Mostly Clear
Friday
High: 94 °F
Sunny
Friday Night
Low: 75 °F
Mostly Clear
Saturday
High: 96 °F
Mostly Sunny
Saturday Night
Low: 77 °F
Partly Cloudy
then Chance
T-stormsSunday
High: 93 °F
Slight Chance
T-stormsSunday Night
Low: 72 °F
Mostly Clear
Monday
High: 94 °F
Sunny
Detailed Forecast
Today
Mostly sunny, with a high near 93. South wind 6 to 8 mph.
Tonight
Mostly clear, with a low around 73. Southeast wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 94. Southwest wind 3 to 7 mph.
Friday Night
Mostly clear, with a low around 75. South wind around 6 mph.
Saturday
Mostly sunny, with a high near 96. Southwest wind 5 to 10 mph.
Saturday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 77.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Sunday Night
Mostly clear, with a low around 72.
Monday
Sunny, with a high near 94.
Monday Night
Mostly clear, with a low around 74.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 98.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 77.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
Additional Forecasts and Information
Click Map For Forecast
ABOUT THIS FORECAST
Point Forecast:
Grafton IL
38.98°N 90.42°W (Elev. 673 ft)
38.98°N 90.42°W (Elev. 673 ft)
10:22 am CDT Jun 20, 2024
10am CDT Jun 20, 2024-6pm CDT Jun 26, 2024