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July 15th, 2026 :: 3:12 am CDT   

Local Weather Report for
Rock Falls
Illinois, United States

 Current Rock Falls Weather Conditions Updated July 15th at 1:56 am 
Temperature:72°F Dew Point:72°F
Barometer:30.15 inHg Wind:calm
Humidity:100.0% Visibility:0M
 
 Rock Falls Weather Forecast Summary  
 
Today
Jul 15th
Thursday
Jul 16th
Friday
Jul 17th
Saturday
Jul 18th
Sunday
Jul 19th
Mostly Sunny Mostly Sunny Mostly Sunny Sunny Mostly Sunny
88°F
86°F
72°F
86°F
71°F
88°F
71°F
82°F
64°F
 
 Rock Falls Detailed Weather Forecast  
 
Wednesday, July 15th, 2026
Overnight Temperature: 72°F
Clear. Slight chance of a thunderstorm.
Morning Temperature: 77°F
Sunny. Chance of a thunderstorm.
Afternoon Temperature: 87°F
Sunny. Chance of a thunderstorm.
Evening Temperature: 81°F
Mostly clear. Chance of a thunderstorm.
Thursday, July 16th, 2026
Overnight Temperature: 73°F
Clear. Chance of a thunderstorm.
Morning Temperature: 77°F
Mostly sunny. Chance of a thunderstorm.
Afternoon Temperature: 85°F
Sunny with a slight chance of showers or thundershowers.
Evening Temperature: 79°F
Mostly clear with a chance of showers or thundershowers.
Friday, July 17th, 2026
Overnight Temperature: 71°F
A mix of cloudy and clear skies with a slight chance of showers.
Morning Temperature: 77°F
Sunny with a chance of showers or thundershowers.
Afternoon Temperature: 86°F
Sunny with a chance of showers or thundershowers.
Evening Temperature: 77°F
Mostly clear with a chance of showers or thundershowers.
Saturday, July 18th, 2026
Overnight Temperature: 72°F
Clear. Chance of a thunderstorm.
Morning Temperature: 77°F
Mostly sunny. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 87°F
Sunny. Chance of a thunderstorm. Windy at times.
Evening Temperature: 76°F
Mostly clear with a chance of showers or thundershowers. Windy at times.
Sunday, July 19th, 2026
Overnight Temperature: 66°F
Clear.
Morning Temperature: 69°F
Sunny.
Afternoon Temperature: 80°F
Sunny.
Evening Temperature: 75°F
Mostly clear. Slight chance of a thunderstorm.
Monday, July 20th, 2026
Overnight Temperature: 67°F
Mostly clear.
Morning Temperature: 71°F
A mix of cloud and sun with a slight chance of showers.
Afternoon Temperature: 82°F
A mix of sun and cloud. Chance of a thunderstorm. Windy at times.
Evening Temperature: 75°F
Clear. Chance of a thunderstorm. Windy at times.
Tuesday, July 21st, 2026
Overnight Temperature: 58°F
Clear. Windy at times.
Morning Temperature: 61°F
Sunny. Windy at times.
Afternoon Temperature: 73°F
Mostly sunny. Windy at times.
Evening Temperature: 65°F
Mostly clear.
Wednesday, July 22nd, 2026
Overnight Temperature: 59°F
A mix of clear and cloudy skies.
Morning Temperature: 66°F
A mix of cloud and sun.
Afternoon Temperature: 75°F
A mix of cloud and sun. Slight chance of a thunderstorm.
Evening Temperature: 68°F
A mix of cloudy and clear skies.
Thursday, July 23rd, 2026
Overnight Temperature: 64°F
A mix of clear and cloudy skies.
Morning Temperature: 65°F
A mix of cloud and sun.
Afternoon Temperature: 74°F
Mostly sunny. Windy at times.
Evening Temperature: 73°F
A mix of cloudy and clear skies. Chance of a thunderstorm.





 

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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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