Weather Alert
Decorah Weather Warning NWS WEATHER ALERT FOR THE DECORAH, IA AREA - Issued: 1228 PM CDT Mon Sep 14 2026 Decorah Weather Warning

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Decorah, IA Weather Forecast

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Decorah, IA Weather Forecast

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Decorah IA weather - Overcast - 62°F
Overcast
62°F
Updated 11:35 pm
Feels Like 55°F
Humidity 100%
Wind S 14 mph
Barometer  29.83 in
Dew Point 62°F
Decorah IA weather - Overcast - 17°C
Overcast
17°C
Updated 11:35 pm
Feels Like 13°C
Humidity 100%
Wind S 23 km/h
Barometer  101 kPa
Dew Point 17°C
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Decorah Weather Forecast

TONIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY
Decorah, IA Weather - Tonight Thunderstorms Decorah, IA Weather - Tuesday Chance Of Showers Decorah, IA Weather - Tuesday Night Partly Cloudy Decorah, IA Weather - Wednesday Chance Of Showers Decorah, IA Weather - Wednesday Night Showers Decorah, IA Weather - Thursday Chance Of Showers Decorah, IA Weather - Thursday Night Chance Of Showers Decorah, IA Weather - Friday Chance Of T-Storm Decorah, IA Weather - Friday Night Chance Of T-Storm Decorah, IA Weather - Saturday Showers Decorah, IA Weather - Saturday Night Chance Of Showers Decorah, IA Weather - Sunday Chance Of Showers
Thunderstorms Chance of Showers Partly Cloudy Chance of Showers Showers Chance of Showers Chance of Showers Chance of T-Storm Chance of T-Storm Showers Chance of Showers Chance of Showers
Lo: 59°FLo: 15°C Hi: 71°FHi: 22°C
 Lo: 51°FLo: 11°C Hi: 69°FHi: 21°C
 Lo: 59°FLo: 15°C Hi: 75°FHi: 24°C
Lo: 60°FLo: 16°C		 Hi: 75°FHi: 24°C
Lo: 60°FLo: 16°C		 Hi: 75°FHi: 24°C
 Lo: 65°FLo: 18°C Hi: 75°FHi: 24°C
 Lo: 59°FLo: 15°C Hi: 69°FHi: 21°C
POP: 100% POP: 50% POP: 50% POP: 70% POP: 50% POP: 50% POP: 70% POP: 80% POP: 70% POP: 50% POP: 50%
POP = Probability of Precipitation.
Weather Outlook Updated: 948 PM CDT Mon Sep 14 2026 Decorah, IA Weather - WeatherWorld.com

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Issued: 652 PM CDT Mon Sep 14 2026

Key Messages

  • Several rounds of moderate to locally heavy rainfall from midday today through early Tuesday morning. Widespread total rainfall amounts around 1" with localized pockets of 2-3" could result in some river rises and flooding of poor drainage locations.
  • Additional rounds of heavy rainfall are possible Thursday through the weekend. If these storms track over the same areas, the risk for flooding could increase.
  • Seasonal temperatures for the upcoming work week with highs in the upper 60s ...