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Deep River, IA Weather Forecast
Deep River, IA Weather Forecast Date: 1037 PM CDT Wed Oct 07 2026
The area/counties/county of: Poweshiek, including the city of Grinnell.or toggle through each period.
Rest of Tonight... Mostly clear. Lows in the lower 50s. Northwest winds around 5 mph.
Thursday... Mostly sunny. Highs in the mid 70s. Northeast winds around 5 mph in the morning, becoming light and variable.
Thursday Night... Mostly clear in the evening, then partly cloudy with a chance of showers and thunderstorms after midnight. Lows in the mid 50s. Southeast winds around 5 mph. Chance of rain 50%.
Friday... Partly sunny with a chance of showers and thunderstorms in the morning, then sunny with a slight chance of showers and thunderstorms in the afternoon. Highs around 80. Southeast winds 5 to 10 mph. Chance of rain 40%.
Friday Night... Clear. Lows in the lower 60s. South winds 5 to 10 mph with gusts up to 20 mph.
Saturday... Sunny. Highs in the lower 80s.
Saturday Night... Mostly clear. Lows in the upper 50s.
Sunday... Sunny. Highs in the upper 70s.
Sunday Night... Mostly clear in the evening, then becoming partly cloudy. Lows around 60.
Columbus Day... Mostly sunny with a 20% chance of showers. Highs in the mid 70s.
Monday Night... Partly cloudy. Lows in the upper 40s.
Tuesday... Mostly sunny with a 20% chance of showers. Highs in the lower 60s.
Tuesday Night... Partly cloudy. A slight chance of showers after midnight. Lows in the mid 40s. Chance of rain 20%.
POP = Probability of Precipitation
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