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March 15th, 2026 :: 5:18 pm CDT   

Local Weather Report for
Ottawa
Illinois, United States

 
 Ottawa Detailed Weather Forecast  
 
Weather forecast is currently not available, please try again later.
 
 

  [ Local Weather Report ]
Marseilles, IL 
 
Oglesby, IL 
3:50 PM  45°F
moderate rain
 
La Salle, IL 
3:50 PM  45°F
moderate rain
 
Streator, IL 
 
Peru, IL 
3:50 PM  45°F
moderate rain
 
Mendota, IL 
 
Morris, IL 
3:55 PM  64°F
thunderstorm
 
Sandwich, IL 
 
Plano, IL 
 
Yorkville, IL 

 
This WeatherCity Weather Forecast for Ottawa, 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
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