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January 18th, 2026 :: 4:06 am CST   

Local Weather Report for
St Charles
Missouri, United States

 Current St Charles Weather Conditions Updated January 18th at 2:54 am 
Temperature:12°F Dew Point:1°F
Barometer:30.24 inHg Wind:N 17 Mph
Humidity:56.7% Visibility:0M
 
 St Charles Weather Forecast Summary  
 
Today
Jan 18th
Monday
Jan 19th
Tuesday
Jan 20th
Wednesday
Jan 21st
Thursday
Jan 22nd
Cloudy Mostly Sunny Cloudy Cloudy Cloudy
30°F
20°F
10°F
32°F
18°F
41°F
29°F
34°F
23°F
 
 St Charles Detailed Weather Forecast  
 
Sunday, January 18th, 2026
Morning Temperature: 23°F
Cloudy. Windy at times.
Afternoon Temperature: 30°F
A mix of cloud and sun. Windy at times.
Evening Temperature: 24°F
Clear with cloudy periods. Windy.
Monday, January 19th, 2026
Overnight Temperature: 13°F
Clear. Windy.
Morning Temperature: 15°F
Sunny with cloudy periods. Windy.
Afternoon Temperature: 18°F
Sunny.
Evening Temperature: 18°F
Clear with cloudy periods.
Tuesday, January 20th, 2026
Overnight Temperature: 18°F
Cloudy.
Morning Temperature: 26°F
Sunny.
Afternoon Temperature: 26°F
Sunny.
Evening Temperature: 30°F
Cloudy. Windy.
Wednesday, January 21st, 2026
Overnight Temperature: 35°F
Cloudy. Windy.
Morning Temperature: 39°F
Sunny. Windy at times.
Afternoon Temperature: 32°F
Sunny with cloudy periods.
Evening Temperature: 30°F
Cloudy. Windy at times.
Thursday, January 22nd, 2026
Overnight Temperature: 23°F
Clear.
Morning Temperature: 31°F
Sunny. Windy at times.
Afternoon Temperature: 29°F
Sunny.
Evening Temperature: 28°F
Cloudy.
Friday, January 23rd, 2026
Overnight Temperature: 29°F
Cloudy. Windy at times.
Morning Temperature: 37°F
Cloudy with a chance of showers. Showers possibly mixed with wet flurries. Windy.
Afternoon Temperature: 41°F
Cloudy with a chance of showers. Windy at times.
Evening Temperature: 38°F
Cloudy with showers likely. Showers possibly mixed with wet flurries. Windy at times.
Saturday, January 24th, 2026
Overnight Temperature: 27°F
Cloudy with flurries or showers likely. Windy.
Morning Temperature: 21°F
Cloudy. Windy.
Afternoon Temperature: 15°F
Sunny. Windy.
Evening Temperature: 9°F
Clear. Windy.
Sunday, January 25th, 2026
Overnight Temperature: 2°F
Clear. Windy.
Morning Temperature: 5°F
Sunny. Windy at times.
Afternoon Temperature: 7°F
Sunny. Windy at times.
Evening Temperature: 7°F
A mix of cloudy and clear skies.
Monday, January 26th, 2026
Overnight Temperature: 8°F
Cloudy.
Morning Temperature: 18°F
Sunny.
Afternoon Temperature: 21°F
Sunny.
Evening Temperature: 20°F
A mix of cloudy and clear skies.





 

  [ Local Weather Report ]
Portage Des Sioux, MO 
2:54 AM  12°F
 
 
Saint Charles, MO 
 
Bridgeton, MO 
2:51 AM  12°F
 
 
Florissant, MO 
2:51 AM  12°F
 
 
Hazelwood, MO 
2:51 AM  12°F
 
 
Altamont, IL 
 
West Alton, MO 
 
St Louis, MO 
2:51 AM  12°F
 
 
Berkeley, MO 
2:51 AM  12°F
 
 
Black Jack, MO 
2:51 AM  12°F
 

 
This WeatherCity Weather Forecast for St Charles, Missouri, United States is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

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