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September 17th, 2025 :: 6:14 am CDT   

Local Weather Report for
Rock Falls
Illinois, United States

 Current Rock Falls Weather Conditions Updated September 17th at 4:56 am 
Temperature:59°F Dew Point:57°F
Barometer:30.12 inHg Wind:N 11 Mph
Humidity:93.7% Visibility:0M
 
 Rock Falls Weather Forecast Summary  
 
Today
Sep 17th
Thursday
Sep 18th
Friday
Sep 19th
Saturday
Sep 20th
Sunday
Sep 21st
Cloudy Mix of Cloud and Sun Cloudy Cloudy Cloudy
86°F
89°F
62°F
89°F
60°F
82°F
61°F
85°F
61°F
 
 Rock Falls Detailed Weather Forecast  
 
Wednesday, September 17th, 2025
Morning Temperature: 79°F
A mix of cloud and sun.
Afternoon Temperature: 80°F
A mix of sun and cloud.
Evening Temperature: 66°F
Clear.
Thursday, September 18th, 2025
Overnight Temperature: 62°F
A mix of cloudy and clear skies.
Morning Temperature: 82°F
Sunny with cloudy periods.
Afternoon Temperature: 83°F
A mix of cloud and sun. Windy at times.
Evening Temperature: 65°F
A mix of cloudy and clear skies.
Friday, September 19th, 2025
Overnight Temperature: 61°F
Clear with cloudy periods. Windy at times.
Morning Temperature: 81°F
A mix of cloud and sun. Windy at times.
Afternoon Temperature: 80°F
Cloudy. Slight chance of a thunderstorm.
Evening Temperature: 65°F
Cloudy with a chance of showers.
Saturday, September 20th, 2025
Overnight Temperature: 61°F
Cloudy.
Morning Temperature: 77°F
Cloudy.
Afternoon Temperature: 71°F
Cloudy with a chance of showers.
Evening Temperature: 64°F
Clear with cloudy periods.
Sunday, September 21st, 2025
Overnight Temperature: 61°F
Cloudy.
Morning Temperature: 78°F
Cloudy with a chance of showers. Slight chance of a thunderstorm. Windy at times.
Afternoon Temperature: 81°F
Cloudy. Slight chance of a thunderstorm.
Evening Temperature: 69°F
Clear.
Monday, September 22nd, 2025
Overnight Temperature: 63°F
A mix of cloudy and clear skies.
Morning Temperature: 81°F
Sunny with a chance of showers or thundershowers. Windy at times.
Afternoon Temperature: 84°F
Cloudy. Chance of a thunderstorm. Windy.
Evening Temperature: 69°F
Cloudy with showers likely. Windy at times.
Tuesday, September 23rd, 2025
Overnight Temperature: 57°F
Cloudy with showers likely. Windy at times.
Morning Temperature: 67°F
Sunny with cloudy periods. Windy at times.
Afternoon Temperature: 69°F
Sunny. Windy at times.
Evening Temperature: 60°F
Clear. Windy at times.
Wednesday, September 24th, 2025
Overnight Temperature: 55°F
Clear. Windy at times.
Morning Temperature: 70°F
Sunny. Windy at times.
Afternoon Temperature: 70°F
Sunny. Windy at times.
Evening Temperature: 56°F
Clear.
Thursday, September 25th, 2025
Overnight Temperature: 52°F
Clear.
Morning Temperature: 72°F
Sunny.
Afternoon Temperature: 75°F
Sunny.
Evening Temperature: 61°F
Clear.





 

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This WeatherCity Weather Forecast for Rock Falls, 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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