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Winnebago County, IA Weather Forecast
Winnebago County, IA Weather Forecast Date: 833 PM CDT Wed Sep 16 2026
The area/counties/county of: Winnebago, including the cities of: Forest City and Lake Mills.or toggle through each period.
Rest of Tonight... A slight chance of thunderstorms early this evening. Cloudy with a chance of showers. Patchy fog. Lows in the upper 50s. Southeast winds around 5 mph. Chance of rain 50%.
Thursday... Mostly cloudy. A slight chance of showers in the morning. Patchy fog in the morning. Highs in the mid 70s. Northeast winds around 5 mph. Chance of rain 20%.
Thursday Night... Mostly cloudy. Showers likely with a slight chance of thunderstorms after midnight. Lows around 60. East winds 5 to 10 mph. Chance of rain 70%.
Friday... A chance of thunderstorms. Showers, mainly in the morning. Humid with highs in the mid 70s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 90%.
Friday Night... A chance of thunderstorms. Showers with lows in the lower 60s. Southeast winds around 15 mph, becoming south 5 to 10 mph after midnight. Chance of rain 90%.
Saturday... Mostly cloudy. A slight chance of showers in the morning, then a chance of showers in the afternoon. Highs in the lower 70s. Chance of rain 30%.
Saturday Night... Mostly cloudy with a 20% chance of showers. Lows in the upper 50s.
Sunday... Mostly cloudy with a chance of showers. A slight chance of thunderstorms in the afternoon. Near steady temperature around 60. Chance of rain 50%.
Sunday Night... Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Lows in the mid 50s. Chance of rain 50%.
Monday... Mostly cloudy with a 50% chance of showers. Highs in the lower 60s.
Monday Night... Mostly cloudy with a 20% chance of showers. Lows in the lower 50s.
Tuesday... Mostly cloudy in the morning, then becoming partly sunny. Highs in the mid 60s.
Tuesday Night... Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 50s.
POP = Probability of Precipitation
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