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Iowa County, IA Weather Forecast
Iowa County, IA Weather Forecast Date: 126 PM CDT Sun Sep 20 2026
The area/counties/county of: Iowa, including the city of Marengo.or toggle through each period.
This Afternoon... Cloudy with a 20% chance of showers. Not as warm. Near steady temperature in the mid 60s. Northeast winds around 15 mph with gusts up to 25 mph.
Tonight... Cloudy. A slight chance of showers after midnight. Lows in the mid 50s. Northeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20%.
Monday... Cloudy with a chance of showers. Near steady temperature in the upper 50s. Northeast winds 10 to 15 mph. Chance of rain 50%.
Monday Night... Mostly cloudy. Showers likely, mainly in the evening. Lows in the lower 50s. Northeast winds 5 to 10 mph. Chance of rain 70%.
Tuesday... Mostly cloudy in the morning, then becoming partly sunny. Highs in the lower 60s. Northeast winds 5 to 10 mph.
Tuesday Night... Partly cloudy in the evening, then clearing. Lows in the mid 40s.
Wednesday... Sunny. Highs in the mid 60s.
Wednesday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 40s.
Thursday... Mostly cloudy. Highs in the upper 60s. Lows in the lower 50s.
Friday... Mostly cloudy. Highs in the upper 60s. Lows in the lower 50s.
POP = Probability of Precipitation
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