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Areas of Hazardous Weather This Weekend

A series of cold fronts from North Pacific storms will bring periods of gusty winds, low elevation rainfall, and high elevation snow to the Pacific Northwest this weekend into next week. Heavy to excessive rainfall may produce areas of flooding over southern Texas this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

St. Charles, St. Charles County Smartt Airport (KSET)

Lat: 38.93°NLon: 90.43°WElev: 436ft.

Fair

34°F

1°C

Humidity 97%
Wind Speed SW 3 mph
Barometer 30.22 in (1023.6 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 7 Nov 1:54 am CST
Extended Forecast for

3 Miles WNW Grafton IL

Freeze Warning until November 7, 08:00am
Click here for hazard details and duration
Freeze Warning
  •  
    Freeze Warning until November 7, 08:00am

    NOW until 8:00am Sat

    Freeze Warning

  • Overnight

    Low: 33 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 54. Light and variable wind.

    High: 54 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 36. Calm wind becoming west around 5 mph after midnight.

    Low: 36 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 63. West wind 5 to 9 mph.

    High: 63 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 41. West wind around 6 mph becoming calm in the evening.

    Low: 41 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 47.

    Low: 47 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

Detailed Forecast

Overnight
Mostly clear, with a low around 33. Calm wind.
Saturday
Mostly sunny, with a high near 54. Light and variable wind.
Saturday Night
Clear, with a low around 36. Calm wind becoming west around 5 mph after midnight.
Sunday
Sunny, with a high near 63. West wind 5 to 9 mph.
Sunday Night
Mostly clear, with a low around 41. West wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 67.
Monday Night
Clear, with a low around 47.
Tuesday
Sunny, with a high near 68.
Tuesday Night
Mostly clear, with a low around 46.
Veterans Day
Mostly sunny, with a high near 65.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
A 20 percent chance of rain. Mostly sunny, with a high near 56.
Thursday Night
Partly cloudy, with a low around 37.
Friday
Mostly sunny, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Grafton IL
 38.98°N 90.47°W (Elev. 689 ft)
Last Update:
1:31 am CST Nov 7, 2026
Forecast Valid:
2am CST Nov 7, 2026-6pm CST Nov 13, 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