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Winthrop, IA Weather Forecast
Winthrop, IA Weather Forecast Date: 521 PM CDT Fri Sep 11 2026
The area/counties/county of: Buchanan, including the city of Independence.or toggle through each period.
Tonight... Partly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the mid 60s. South winds around 10 mph with gusts up to 20 mph. Chance of rain 20%.
Saturday... Mostly sunny. A slight chance of showers and thunderstorms in the morning. Highs around 80. West winds 10 to 15 mph, becoming north in the afternoon. Chance of rain 20%.
Saturday Night... Mostly clear. Less humid with lows in the mid 50s. North winds 5 to 10 mph.
Sunday... Partly sunny. A chance of showers in the morning, then showers likely in the afternoon. Not as warm with highs around 70. Northeast winds around 5 mph. Chance of rain 60%.
Sunday Night... Partly cloudy in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the lower 50s. East winds 5 to 10 mph. Chance of rain 50%.
Monday... A chance of thunderstorms. Showers, mainly in the morning. Highs in the mid 70s. Chance of rain 80%.
Monday Night... A chance of thunderstorms. Showers. Not as cool with lows in the lower 60s. Chance of rain 90%.
Tuesday... Showers likely. Highs in the lower 70s. Chance of rain 70%.
Tuesday Night... Mostly cloudy. A chance of showers. Lows in the mid 50s. Chance of rain 50%.
Wednesday... Showers likely, mainly in the morning. Highs around 70. Chance of rain 60%.
Wednesday Night... Showers likely in the evening, then a chance of showers and thunderstorms after midnight. Lows in the upper 50s. Chance of rain 60%.
Thursday... Partly sunny. A chance of showers in the morning. Highs in the lower 70s. Chance of rain 50%.
Thursday Night... Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the mid 50s. Chance of rain 30%.
POP = Probability of Precipitation
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