Current Conditions
More Information
WeatherCity Home
Switch to Metric Units
[ Almanac ]  
Sunrise:  7:18 am
Sunset:  4:54 pm
[ Moon Phases ]  

Last Quarter
Feb 9

New Moon
Jan 19

First Quarter
Jan 26

Full Moon
Feb 3




January 11th, 2026 :: 11:38 am CST   

Local Weather Report for
Mason City
Illinois, United States

 Mason City Weather Forecast Summary  
 
Today
Jan 11th
Monday
Jan 12th
Tuesday
Jan 13th
Wednesday
Jan 14th
Thursday
Jan 15th
Cloudy Cloudy Mix of rain and snow Cloudy Cloudy
35°F
46°F
31°F
53°F
38°F
42°F
21°F
27°F
18°F
 
 Mason City Detailed Weather Forecast  
 
Sunday, January 11th, 2026
Morning Temperature: 30°F
A mix of sun and cloud. Windy.
Afternoon Temperature: 29°F
A mix of cloud and sun.
Evening Temperature: 30°F
Clear. Windy at times.
Monday, January 12th, 2026
Overnight Temperature: 31°F
Clear with cloudy periods. Windy at times.
Morning Temperature: 40°F
Cloudy. Windy at times.
Afternoon Temperature: 40°F
Cloudy.
Evening Temperature: 38°F
Cloudy.
Tuesday, January 13th, 2026
Overnight Temperature: 39°F
Cloudy. Windy at times.
Morning Temperature: 47°F
Cloudy. Windy.
Afternoon Temperature: 49°F
Cloudy. Windy at times.
Evening Temperature: 46°F
Cloudy with a few showers. Windy at times.
Wednesday, January 14th, 2026
Overnight Temperature: 41°F
Cloudy with a slight chance of showers. Windy at times.
Morning Temperature: 31°F
Cloudy with a slight chance of flurries or showers. Risk of freezing rain. Windy.
Afternoon Temperature: 24°F
Cloudy. Windy.
Evening Temperature: 22°F
Clear with cloudy periods. Windy.
Thursday, January 15th, 2026
Overnight Temperature: 18°F
Clear. Windy.
Morning Temperature: 23°F
Sunny. Windy at times.
Afternoon Temperature: 24°F
A mix of cloud and sun.
Evening Temperature: 25°F
Cloudy.
Friday, January 16th, 2026
Overnight Temperature: 25°F
Cloudy with clear periods.
Morning Temperature: 33°F
Cloudy. Windy at times.
Afternoon Temperature: 33°F
Cloudy.
Evening Temperature: 31°F
Cloudy.
Saturday, January 17th, 2026
Overnight Temperature: 29°F
Clear.
Morning Temperature: 31°F
Sunny with cloudy periods. Windy at times.
Afternoon Temperature: 25°F
Sunny. Windy at times.
Evening Temperature: 23°F
Clear. Windy at times.
Sunday, January 18th, 2026
Overnight Temperature: 22°F
Clear.
Morning Temperature: 33°F
Sunny. Windy at times.
Afternoon Temperature: 31°F
Sunny. Windy at times.
Evening Temperature: 31°F
Clear. Windy at times.
Monday, January 19th, 2026
Overnight Temperature: 29°F
Clear with cloudy periods. Windy at times.
Morning Temperature: 33°F
Sunny. Windy.
Afternoon Temperature: 27°F
Sunny.
Evening Temperature: 26°F
Clear.





 

  [ Local Weather Report ]
Lincoln, IL 
10:55 AM  28°F
Overcast
 
Havana, IL 
 
Springfield, IL 
10:52 AM  27°F
Overcast
 
Pekin, IL 
 
Arlington Heights, IL 
10:52 AM  27°F
Overcast
 
Lewistown, IL 
 
Leland Grove, IL 
10:52 AM  27°F
Overcast
 
Marquette Heights, IL 
10:54 AM  27°F
Overcast
 
Canton, IL 
 
Peoria, IL 
10:54 AM  27°F
Overcast

 
This WeatherCity Weather Forecast for Mason City, Illinois, 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

  Mason City weather brought to you by WeatherCity Server: us-chi1   Rendered in 0.00322s  
Home   |   About WeatherCity