County Forecast for Fort Atkinson , IA
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161500-
Winneshiek-
Including the city of Decorah
227 AM CDT Tue Sep 16 2025

Today   Mostly cloudy with a slight chance of showers and thunderstorms. Humid with highs in the lower 80s. South winds around 5 mph. Chance of rain 20 percent.
Tonight   Mostly cloudy in the evening, then partly cloudy with a slight chance of showers and thunderstorms after midnight. Humid with lows in the lower 60s. South winds around 5 mph. Chance of rain 20 percent.
Wednesday   Mostly sunny. A chance of showers and thunderstorms in the morning. Humid with highs in the lower 80s. South winds around 5 mph. Chance of rain 30 percent.
Wednesday night   Partly cloudy. Lows in the lower 60s. Light winds.
Thursday   Mostly sunny. Highs in the lower 80s. Southeast winds around 5 mph.
Thursday night   Mostly cloudy with a chance of showers. Lows in the lower 60s. Chance of rain 50 percent.
Friday and friday night   Mostly cloudy with a chance of showers and thunderstorms. Highs in the mid 70s. Lows in the upper 50s. Chance of rain 50 percent.
Saturday and saturday night   Mostly cloudy. A chance of showers. Highs in the mid 70s. Lows in the upper 50s. Chance of rain 50 percent.
Sunday   Mostly cloudy in the morning, then becoming partly sunny. Highs in the mid 70s.
Sunday night and monday   Mostly cloudy. A chance of showers. Lows around 60. Highs in the mid 70s. Chance of rain 30 percent.
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Bryce Anderson image
Bryce Anderson – DTN Meteorologist
Isolated Showers in Central US Tuesday
Posted at 12:04PM Mon Sep 15, 2025 CDT
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