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January 16th, 2026 :: 1:53 am CST   

Local Weather Report for
Rock Falls
Illinois, United States

 Current Rock Falls Weather Conditions Updated January 16th at 12:56 am 
Overcast
Temperature:25°F Dew Point:21°F
Barometer:29.62 inHg Wind: 9 Mph
Humidity:85.8% Visibility:0M
 
 Rock Falls Weather Forecast Summary  
 
Today
Jan 16th
Saturday
Jan 17th
Sunday
Jan 18th
Monday
Jan 19th
Tuesday
Jan 20th
Mix of rain and snow Cloudy Cloudy Cloudy Cloudy
34°F
16°F
10°F
19°F
9°F
8°F
1°F
20°F
7°F
 
 Rock Falls Detailed Weather Forecast  
 
Friday, January 16th, 2026
Overnight Temperature: 24°F
Cloudy with a chance of flurries. Windy at times.
Morning Temperature: 33°F
Cloudy with flurries or showers likely. Risk of freezing rain. Windy.
Afternoon Temperature: 26°F
Cloudy. Windy at times.
Evening Temperature: 19°F
Cloudy. Windy at times.
Saturday, January 17th, 2026
Overnight Temperature: 15°F
Cloudy with clear periods. Windy at times.
Morning Temperature: 15°F
Cloudy with a slight chance of flurries. Windy at times.
Afternoon Temperature: 15°F
Cloudy with a slight chance of flurries. Windy at times.
Evening Temperature: 12°F
A mix of cloudy and clear skies. Windy at times.
Sunday, January 18th, 2026
Overnight Temperature: 9°F
Cloudy. Windy at times.
Morning Temperature: 14°F
Cloudy with a chance of flurries. Windy at times.
Afternoon Temperature: 19°F
Cloudy with a chance of flurries.
Evening Temperature: 15°F
Cloudy. Windy.
Monday, January 19th, 2026
Overnight Temperature: 4°F
Cloudy. Windy.
Morning Temperature: 4°F
Cloudy. Windy.
Afternoon Temperature: 7°F
Sunny with cloudy periods. Windy at times.
Evening Temperature: 7°F
Clear. Windy at times.
Tuesday, January 20th, 2026
Overnight Temperature: 7°F
Clear with cloudy periods. Windy at times.
Morning Temperature: 13°F
Sunny with cloudy periods. Windy at times.
Afternoon Temperature: 14°F
A mix of cloud and sun.
Evening Temperature: 18°F
Cloudy. Windy at times.
Wednesday, January 21st, 2026
Overnight Temperature: 28°F
Cloudy with a chance of flurries. Wind 20 to 30 mph.
Morning Temperature: 24°F
Cloudy. Wind 20 to 30 mph.
Afternoon Temperature: 19°F
Cloudy. Windy.
Evening Temperature: 15°F
Cloudy. Windy at times.
Thursday, January 22nd, 2026
Overnight Temperature: 11°F
Cloudy. Windy at times.
Morning Temperature: 14°F
Sunny. Windy at times.
Afternoon Temperature: 13°F
Sunny.
Evening Temperature: 12°F
Clear.
Friday, January 23rd, 2026
Overnight Temperature: 14°F
Cloudy.
Morning Temperature: 24°F
Cloudy. Windy.
Afternoon Temperature: 31°F
Cloudy. Windy.
Evening Temperature: 28°F
Cloudy. Windy at times.
Saturday, January 24th, 2026
Overnight Temperature: 20°F
Cloudy with clear periods. Windy at times.
Morning Temperature: 11°F
Cloudy. Windy.
Afternoon Temperature: 2°F
Cloudy. Windy.
Evening Temperature: -5°F
Clear with cloudy periods. Windy.





 

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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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