7-Day Zone Forecast for Polk County (Text-Only)
NWS Forecast for: Polk County
Issued by: National Weather Service Des Moines, IA
Last Update: 213 AM CDT Wed Jul 8 2026
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Today: Mostly sunny. Humid with highs around 90. South winds 5 to 10 mph.

Tonight: Mostly cloudy with a chance of showers and thunderstorms. Humid with lows in the upper 60s. Southwest winds 5 to 10 mph, becoming west after midnight. Chance of rain 50 percent.

Thursday: Mostly cloudy in the morning, then becoming mostly sunny. A slight chance of thunderstorms. A chance of showers, mainly in the morning. Humid with highs in the mid 80s. West winds around 5 mph, becoming north in the afternoon. Chance of rain 50 percent.

Thursday Night: Partly cloudy. A slight chance of showers after midnight. Humid with lows in the mid 60s. Northeast winds around 5 mph. Chance of rain 20 percent.

Friday: Partly sunny. A chance of showers with a slight chance of thunderstorms in the afternoon. Humid with highs in the mid 80s. East winds around 5 mph. Chance of rain 40 percent.

Friday Night: Mostly cloudy with a chance of showers in the evening, then partly cloudy with a slight chance of showers after midnight. Lows in the upper 60s. Chance of rain 40 percent.

Saturday: Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 20 percent.

Saturday Night: Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 60s.

Sunday: Sunny. Highs in the upper 80s.

Sunday Night: Mostly clear. Lows in the upper 60s.

Monday: Sunny. Highs in the lower 90s.

Monday Night: Mostly clear. Lows around 70.

Tuesday: Sunny. Highs in the lower 90s.







Zone Forecast: Polk County

Visit your local NWS office at: https://www.weather.gov/desmoines