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Cromwell, IA Weather Forecast
Cromwell, IA Weather Forecast Date: 158 PM CDT Tue Oct 06 2026
The area/counties/county of: Union, including the city of Creston.or toggle through each period.
This Afternoon... Sunny. Near steady temperature in the upper 70s. Southwest winds 10 to 15 mph.
Tonight... Mostly clear. Lows in the upper 50s. Southwest winds 5 to 10 mph, becoming west after midnight.
Wednesday... Sunny. Highs in the upper 70s. North winds around 5 mph.
Wednesday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 50s. Northwest winds around 5 mph.
Thursday... Partly sunny in the morning, then clearing. Highs in the lower 70s. Northeast winds around 5 mph.
Thursday Night... Partly cloudy in the evening, then mostly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the mid 50s. Chance of rain 20%.
Friday... Mostly sunny. Highs in the upper 70s.
Friday Night... Clear. Lows in the lower 60s.
Saturday... Sunny. Highs around 80.
Saturday Night... Mostly clear. Lows in the lower 60s.
Sunday... Sunny. Highs in the upper 70s.
Sunday Night... Mostly clear in the evening, then becoming partly cloudy. Lows around 60.
POP = Probability of Precipitation
Cromwell Radar Loop
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