Duncan, IA 7-Day Night Weather Forecast
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Duncan, IA Weather Forecast


Duncan, IA Weather Forecast Date: 1033 PM CDT Sun Sep 13 2026
The area/counties/county of: Hancock, including the cities of: Garner, Britt, and Kanawha.or toggle through each period.
Rest of Tonight... Mostly clear late this evening, then becoming partly cloudy. Lows around 50. Light and variable winds, becoming southeast 5 to 10 mph.
Monday... Showers with a chance of thunderstorms. Breezy with highs in the upper 60s. Southeast winds 20 to 25 mph with gusts up to 40 mph. Chance of rain near 100%.
Monday Night... A chance of thunderstorms. Showers, mainly in the evening. Locally heavy rainfall possible in the evening. Humid with lows around 60. South winds 15 to 20 mph with gusts up to 35 mph, becoming west 10 to 15 mph after midnight. Chance of rain near 100%.
Tuesday... Mostly cloudy in the morning, then becoming partly sunny. Highs around 70. Northwest winds 5 to 10 mph.
Tuesday Night... Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 50s. Northeast winds 5 to 10 mph.
Wednesday... Mostly cloudy. A chance of showers in the morning, then showers likely with a slight chance of thunderstorms in the afternoon. Highs in the mid 60s. Chance of rain 70%.
Wednesday Night... A slight chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the upper 50s. Chance of rain 50%.
Thursday... Mostly cloudy in the morning, then becoming partly sunny. A 20% chance of showers. Highs around 70.
Thursday Night... Mostly cloudy with a 50% chance of showers. Locally heavy rainfall possible after midnight. Lows in the upper 50s.
Friday... Showers likely with a slight chance of thunderstorms. Highs around 70. Chance of rain 70%.
Friday Night... Showers likely. Lows in the upper 50s. Chance of rain 70%.
Saturday... Mostly cloudy with a chance of showers in the morning, then partly sunny with a slight chance of showers in the afternoon. Highs in the lower 70s. Chance of rain 40%.
Saturday Night... Mostly cloudy with a 20% chance of showers. Lows in the mid 50s.
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