Grundy County, IA 7-Day Night Weather Forecast
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Grundy County, IA Weather Forecast


Grundy County, IA Weather Forecast Date: 128 AM CDT Mon Oct 12 2026
The area/counties/county of: Grundy, including the cities of: Grundy Center, Reinbeck, Conrad, Dike, and Wellsburg.or toggle through each period.
Rest of Tonight... Partly cloudy. Lows in the upper 60s. South winds 5 to 10 mph.
Monday... Mostly sunny. Highs in the upper 80s. Southwest winds 15 to 20 mph.
Monday Night... Mostly clear. Lows around 60. Southwest winds 10 to 15 mph with gusts up to 25 mph, becoming northwest 5 to 10 mph after midnight.
Tuesday... Sunny. A slight chance of showers in the afternoon. Highs in the mid 70s. North winds 5 to 10 mph. Chance of rain 20%.
Tuesday Night... Mostly cloudy. A chance of showers, mainly in the evening. Lows in the mid 50s. North winds 5 to 10 mph. Chance of rain 50%.
Wednesday... Partly sunny. Highs in the upper 60s.
Wednesday Night... Mostly cloudy. A chance of showers and thunderstorms after midnight. Lows in the lower 50s. Chance of rain 50%.
Thursday... Showers. Highs in the mid 60s. Chance of rain 80%.
Thursday Night... Mostly cloudy with a slight chance of showers in the evening, then partly cloudy after midnight. Breezy with lows in the mid 40s. Chance of rain 20%.
Friday... Mostly sunny and breezy. Highs in the mid 50s.
Friday Night... Mostly clear. Lows in the mid 30s.
Saturday... Sunny. Highs in the upper 50s.
Saturday Night... Mostly clear. Lows around 40.
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