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Clear Lake, IA 7-Day Night Weather Forecast
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Clear Lake, IA Weather Forecast
Clear Lake, IA Weather Forecast Date: 1213 PM CDT Tue Sep 01 2026
The area/counties/county of: Cerro Gordo, including the cities of: Mason City and Clear Lake.or toggle through each period.
This Afternoon... Partly sunny. Highs in the upper 80s. Southeast winds around 5 mph.
Tonight... Partly cloudy in the evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Humid with lows in the upper 60s. East winds around 5 mph. Chance of rain 40%.
Wednesday... Mostly sunny. A slight chance of showers and thunderstorms in the morning. Humid with highs in the upper 80s. South winds around 5 mph, becoming southwest in the afternoon. Chance of rain 20%.
Wednesday Night... Mostly clear in the evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Humid with lows in the upper 60s. Southeast winds around 5 mph. Chance of rain 50%.
Thursday... Showers likely with a chance of thunderstorms in the morning, then sunny in the afternoon. Humid with highs in the upper 80s. Southeast winds 5 to 10 mph. Chance of rain 70%.
Thursday Night... Mostly clear in the evening, then partly cloudy with a chance of showers and thunderstorms after midnight. Lows in the lower 70s. Chance of rain 50%.
Friday... Mostly sunny. A chance of showers and thunderstorms in the morning. Highs around 90. Chance of rain 50%.
Friday Night... Mostly clear in the evening, then becoming partly cloudy. Lows around 70.
Saturday... Mostly sunny. A slight chance of showers and thunderstorms in the morning. Highs around 90. Chance of rain 20%.
Saturday Night... Partly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Lows in the upper 60s. Chance of rain 30%.
Sunday... Mostly sunny. A chance of showers with a slight chance of thunderstorms in the morning. Highs in the mid 80s. Chance of rain 30%.
Sunday Night... Partly cloudy with a slight chance of showers and thunderstorms. Lows in the mid 60s. Chance of rain 20%.
POP = Probability of Precipitation
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