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July 18th, 2026 :: 6:57 am CDT   

Local Weather Report for
Rock Falls
Illinois, United States

 Current Rock Falls Weather Conditions Updated July 18th at 5:56 am 
Temperature:73°F Dew Point:73°F
Barometer:29.95 inHg Wind:N 13 Mph
Humidity:100.0% Visibility:0M
 
 Rock Falls Weather Forecast Summary  
 
Today
Jul 18th
Sunday
Jul 19th
Monday
Jul 20th
Tuesday
Jul 21st
Wednesday
Jul 22nd
Mostly Sunny Mostly Sunny Thundershowers Thundershowers Sunny
83°F
80°F
63°F
78°F
65°F
78°F
67°F
71°F
57°F
 
 Rock Falls Detailed Weather Forecast  
 
Saturday, July 18th, 2026
Morning Temperature: 75°F
Sunny. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 81°F
Sunny with cloudy periods. Chance of a thunderstorm. Windy at times.
Evening Temperature: 74°F
Mostly clear. Chance of a thunderstorm.
Sunday, July 19th, 2026
Overnight Temperature: 65°F
Clear.
Morning Temperature: 69°F
Sunny.
Afternoon Temperature: 79°F
Sunny.
Evening Temperature: 74°F
Mostly clear. Slight chance of a thunderstorm.
Monday, July 20th, 2026
Overnight Temperature: 66°F
Mostly clear.
Morning Temperature: 70°F
A mix of cloud and sun. Windy at times.
Afternoon Temperature: 77°F
Cloudy with a few showers. Chance of a thunderstorm. Windy at times.
Evening Temperature: 71°F
Mostly cloudy with rain. Windy.
Tuesday, July 21st, 2026
Overnight Temperature: 71°F
A mix of cloudy and clear skies with showers. Chance of a thunderstorm. Windy at times.
Morning Temperature: 72°F
Sunny with a chance of showers. Slight chance of a thunderstorm. Windy at times.
Afternoon Temperature: 78°F
Sunny. Slight chance of a thunderstorm. Windy.
Evening Temperature: 70°F
Mostly clear. Windy at times.
Wednesday, July 22nd, 2026
Overnight Temperature: 61°F
Clear.
Morning Temperature: 61°F
Sunny. Windy at times.
Afternoon Temperature: 70°F
Sunny. Windy at times.
Evening Temperature: 64°F
Clear.
Thursday, July 23rd, 2026
Overnight Temperature: 56°F
Clear.
Morning Temperature: 63°F
Sunny.
Afternoon Temperature: 74°F
Mostly sunny.
Evening Temperature: 69°F
Mostly clear.
Friday, July 24th, 2026
Overnight Temperature: 62°F
Mostly clear.
Morning Temperature: 65°F
A mix of sun and cloud. Windy at times.
Afternoon Temperature: 62°F
Mostly cloudy with a chance of showers. Windy at times.
Evening Temperature: 59°F
Mostly cloudy with showers likely. Windy at times.
Saturday, July 25th, 2026
Overnight Temperature: 59°F
A mix of cloudy and clear skies.
Morning Temperature: 64°F
A mix of sun and cloud. Windy at times.
Afternoon Temperature: 74°F
A mix of cloud and sun.
Evening Temperature: 70°F
Clear.
Sunday, July 26th, 2026
Overnight Temperature: 65°F
Mostly clear.
Morning Temperature: 71°F
Mostly sunny.
Afternoon Temperature: 83°F
Mostly sunny. Chance of a thunderstorm.
Evening Temperature: 79°F
A mix of clear and cloudy 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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