Weather WorldSigourney, IA 7-Day Night Weather Forecast
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Sigourney, IA Weather Forecast
Sigourney, IA Weather Forecast Date: 741 PM CDT Mon Sep 28 2026
The area/counties/county of: Keokuk, including the city of Sigourney.or toggle through each period.
Tonight... Mostly clear. Lows in the mid 50s. Southeast winds around 5 mph.
Tuesday... Mostly sunny. Highs in the mid 70s. South winds 5 to 10 mph.
Tuesday Night... Mostly cloudy. A chance of showers after midnight. Not as cool with lows in the mid 60s. South winds 5 to 10 mph. Chance of rain 50%.
Wednesday... Showers likely. Humid with highs in the lower 70s. South winds 5 to 10 mph. Chance of rain 70%.
Wednesday Night... Showers likely in the evening, then showers with a chance of thunderstorms after midnight. Humid with lows in the mid 60s. South winds 5 to 10 mph, becoming southwest after midnight. Chance of rain 90%.
Thursday... Showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Near steady temperature in the mid 60s. Chance of rain 90%.
Thursday Night... Mostly cloudy with a 50% chance of showers. Cooler with lows in the lower 50s.
Friday... Partly cloudy. Highs in the mid 60s. Lows in the upper 40s.
Friday Night... Partly cloudy. Highs in the mid 60s. Lows in the upper 40s.
Saturday... Mostly cloudy. Highs in the mid 60s. Lows in the lower 50s.
Saturday Night... Mostly cloudy. Highs in the mid 60s. Lows in the lower 50s.
Sunday... Mostly sunny. Highs in the mid 60s.
Sunday Night... Mostly clear. Lows in the upper 40s.
POP = Probability of Precipitation
Sigourney Radar Loop
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