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Storm Lake, IA 7-Day Night Weather Forecast
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Storm Lake, IA Weather Forecast
Storm Lake, IA Weather Forecast Date: 229 AM CDT Sun Aug 30 2026
The area/counties/county of: Buena Vista, including the city of Storm Lake.or toggle through each period.
Today... Mostly sunny. A slight chance of showers and thunderstorms this afternoon. Highs in the lower 90s. Southwest winds around 10 mph with gusts up to 25 mph. Chance of rain 20%. Heat index values in the upper 90s this afternoon.
Tonight... Partly cloudy in the evening, then becoming mostly cloudy. Humid with lows in the lower 70s. South winds 5 to 10 mph.
Monday... Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Humid with highs around 90. Northwest winds around 5 mph, becoming northeast in the afternoon. Chance of rain 20%.
Monday Night... Mostly cloudy. A chance of showers and thunderstorms after midnight. Humid with lows in the upper 60s. East winds around 5 mph. Chance of rain 40%.
Tuesday... Mostly cloudy with a slight chance of showers and thunderstorms in the morning, then mostly sunny in the afternoon. Humid with highs in the upper 80s. Northeast winds around 5 mph, becoming southeast around 5 mph in the afternoon. Chance of rain 20%.
Tuesday Night... Partly cloudy with a chance of showers and thunderstorms. Lows around 70. Chance of rain 40%.
Wednesday... Mostly sunny. Highs in the upper 80s.
Wednesday Night... Mostly clear in the evening, then partly cloudy with a chance of showers and thunderstorms after midnight. Lows in the upper 60s. Chance of rain 40%.
Thursday... Mostly sunny. Highs in the upper 80s.
Thursday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 60s.
Friday... Mostly sunny. Highs in the upper 80s.
Friday Night... Partly cloudy. Lows in the upper 60s.
POP = Probability of Precipitation
Storm Lake Radar Loop
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