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September 19th, 2025 :: 4:45 am CDT   

Local Weather Report for
Decorah
Iowa, United States

 Current Decorah Weather Conditions Updated September 19th at 3:55 am 
moderate rain
Temperature:18°C Dew Point:18°C
Barometer:101.7 kPa Wind: 10 Km/h
Humidity:100.0% Visibility:0 Km
 
 Decorah Weather Forecast Summary  
 
Today
Sep 19th
Saturday
Sep 20th
Sunday
Sep 21st
Monday
Sep 22nd
Tuesday
Sep 23rd
Thundershowers Thundershowers Thundershowers Thundershowers Cloudy
23°C
21°C
14°C
24°C
14°C
26°C
16°C
23°C
16°C
 
 Decorah Detailed Weather Forecast  
 
Friday, September 19th, 2025
Morning Temperature: 21°C
Cloudy. Slight chance of a thunderstorm.
Afternoon Temperature: 20°C
A mix of cloud and sun with a few showers. Chance of a thunderstorm.
Evening Temperature: 17°C
A mix of cloudy and clear skies with a chance of showers.
Saturday, September 20th, 2025
Overnight Temperature: 14°C
A mix of cloudy and clear skies with showers likely.
Morning Temperature: 20°C
Sunny with a chance of showers or thundershowers.
Afternoon Temperature: 18°C
A mix of cloud and sun with showers likely. Slight chance of a thunderstorm.
Evening Temperature: 15°C
Cloudy with a chance of showers.
Sunday, September 21st, 2025
Overnight Temperature: 14°C
Cloudy.
Morning Temperature: 21°C
A mix of cloud and sun with a chance of showers or thundershowers.
Afternoon Temperature: 22°C
Sunny. Chance of a thunderstorm.
Evening Temperature: 17°C
Cloudy with showers likely. Slight chance of a thunderstorm.
Monday, September 22nd, 2025
Overnight Temperature: 16°C
Cloudy with showers likely.
Morning Temperature: 22°C
Cloudy with a chance of showers or thundershowers.
Afternoon Temperature: 23°C
Cloudy with a chance of showers or thundershowers.
Evening Temperature: 18°C
Clear with showers likely. Chance of a thunderstorm.
Tuesday, September 23rd, 2025
Overnight Temperature: 16°C
Clear. Slight chance of a thunderstorm.
Morning Temperature: 22°C
Sunny with cloudy periods. Chance of a thunderstorm.
Afternoon Temperature: 20°C
A mix of cloud and sun. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 18°C
Cloudy.
Wednesday, September 24th, 2025
Overnight Temperature: 16°C
Cloudy.
Morning Temperature: 21°C
Mostly sunny. Windy at times.
Afternoon Temperature: 19°C
Sunny with cloudy periods with a slight chance of showers. Windy at times.
Evening Temperature: 16°C
Cloudy.
Thursday, September 25th, 2025
Overnight Temperature: 9°C
Clear.
Morning Temperature: 17°C
Sunny with cloudy periods. Windy at times.
Afternoon Temperature: 18°C
Sunny with cloudy periods.
Evening Temperature: 11°C
Clear.
Friday, September 26th, 2025
Overnight Temperature: 8°C
Clear.
Morning Temperature: 17°C
Sunny.
Afternoon Temperature: 18°C
Sunny.
Evening Temperature: 11°C
Clear.
Saturday, September 27th, 2025
Overnight Temperature: 9°C
Clear.
Morning Temperature: 19°C
Sunny.
Afternoon Temperature: 19°C
Mostly sunny.
Evening Temperature: 12°C
Clear.





 

  [ Local Weather Report ]
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3:55 AM  19°C
light rain
 
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3:55 AM  19°C
light rain
 
New Hampton, IA 
 
Prairie Du Chien, WI 
3:55 AM  19°C
light rain
 
Preston, MN 
3:55 AM  18°C
Overcast
 
Pleasant Valley, WI 
3:53 AM  19°C
light rain
 
Oelwein, IA 
3:55 AM  18°C
Overcast

This WeatherCity Weather Forecast for Decorah, Iowa, 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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