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Walnut, IA Weather Forecast
Walnut, IA Weather Forecast Date: 627 PM CDT Sun Sep 06 2026
The area/counties/county of: Pottawattamie, including the city of Council Bluffs.or toggle through each period.
Tonight... Mostly cloudy. A chance of showers and thunderstorms this evening, then a chance of showers with a slight chance of thunderstorms after midnight. Some thunderstorms May be severe with damaging winds and large hail this evening. Locally heavy rainfall possible this evening. Lows in the upper 60s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50%.
Labor Day... Partly sunny with a slight chance of showers in the morning, then sunny in the afternoon. Humid with highs in the upper 80s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20%.
Monday Night... Partly cloudy. Humid with lows in the lower 70s. Southeast winds 15 to 20 mph.
Tuesday... Mostly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. South winds 10 to 15 mph, becoming southwest in the afternoon. Chance of rain 50%. Heat index values up to 103 in the afternoon.
Tuesday Night... A chance of thunderstorms. Showers with lows in the upper 60s. Northwest winds around 5 mph. Chance of rain 90%.
Wednesday... Mostly sunny. Not as warm with highs in the lower 80s.
Wednesday Night... Mostly clear. Lows around 60.
Thursday... Sunny. Highs in the lower 80s.
Thursday Night... Mostly clear. A slight chance of showers and thunderstorms after midnight. Lows in the lower 60s. Chance of rain 20%.
Friday... Mostly sunny. A chance of showers and thunderstorms, mainly in the morning. Highs in the mid 80s. Chance of rain 30%.
Friday Night... Mostly clear with a slight chance of showers and thunderstorms. Lows in the mid 60s. Chance of rain 20%.
Saturday... Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 20%.
Saturday Night... Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers and thunderstorms. Lows in the lower 60s. Chance of rain 40%.
POP = Probability of Precipitation
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