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Harper, IA 7-Day Night Weather Forecast
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Harper, IA Weather Forecast
Harper, IA Weather Forecast Date: 857 PM CDT Fri Sep 25 2026
The area/counties/county of: Keokuk, including the city of Sigourney.or toggle through each period.
Tonight... Mostly cloudy. A chance of showers this evening. Lows in the upper 50s. East winds 5 to 10 mph. Chance of rain 30%.
Saturday... Showers likely. Highs in the lower 60s. Southeast winds 5 to 10 mph. Chance of rain 70%.
Saturday Night... Mostly cloudy. Showers likely after midnight. Near steady temperature in the upper 50s. Southeast winds 5 to 10 mph. Chance of rain 60%.
Sunday... Mostly cloudy. A chance of showers in the morning. Highs in the mid 60s. Southeast winds around 5 mph. Chance of rain 50%.
Sunday Night... Mostly cloudy. Lows in the upper 50s. East winds around 5 mph.
Monday... Partly cloudy. Highs in the upper 60s. Lows in the upper 50s.
Monday Night... Partly cloudy. Highs in the upper 60s. Lows in the upper 50s.
Tuesday... Mostly cloudy. A chance of showers in the morning, then showers likely in the afternoon. Highs in the upper 60s. Chance of rain 60%.
Tuesday Night... Showers likely with a chance of thunderstorms in the evening, then showers after midnight. Lows in the lower 60s. Chance of rain 80%.
Wednesday... Showers likely. Highs in the upper 60s. Chance of rain 70%.
Wednesday Night... Mostly cloudy with a 50% chance of showers. Lows around 60. Highs in the upper 60s.
Thursday... Mostly cloudy with a 50% chance of showers. Lows around 60. Highs in the upper 60s.
Thursday Night... Mostly cloudy with a chance of showers. Lows in the mid 50s. Chance of rain 40%.
POP = Probability of Precipitation
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