| NWS Forecast for: Polk County Issued by: National Weather Service Des Moines, IA Last Update: 627 AM CDT Thu Sep 17 2026 |  |
Today: Cloudy. A chance of showers and thunderstorms this morning. Areas of dense fog this morning. Some thunderstorms may produce heavy rainfall this morning. Highs in the mid 70s. North winds around 5 mph. Chance of rain 40 percent. Tonight: Mostly cloudy. A chance of showers and thunderstorms after midnight. Humid with lows in the mid 60s. Northeast winds 5 to 10 mph. Chance of rain 50 percent. Friday: Mostly cloudy with a chance of showers and thunderstorms in the morning, then partly sunny in the afternoon. Humid with highs in the lower 80s. Southeast winds 10 to 15 mph. Chance of rain 50 percent. Friday Night: Mostly cloudy. A slight chance of showers and thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight. Humid with lows around 70. South winds 5 to 10 mph. Chance of rain 70 percent. Saturday: Becoming partly sunny in the afternoon. A slight chance of thunderstorms. Showers likely, mainly in the morning. Humid with highs around 80. Southwest winds 5 to 10 mph, becoming west in the afternoon. Chance of rain 70 percent. Saturday Night: Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower 60s. Chance of rain 50 percent. Sunday: Mostly cloudy with a slight chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. Highs in the upper 60s. Chance of rain 60 percent. Sunday Night: Showers likely with a chance of thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. Lows in the upper 50s. Chance of rain 60 percent. Monday: Showers likely, mainly in the morning. Highs in the lower 60s. Chance of rain 60 percent. Monday Night: Mostly cloudy. A chance of showers, mainly in the evening. Lows in the mid 50s. Chance of rain 40 percent. Tuesday: Mostly cloudy with a slight chance of showers in the morning, then partly sunny in the afternoon. Highs in the mid 60s. Chance of rain 20 percent. Tuesday Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 50s. Wednesday: Partly sunny. Highs around 70. | |
| Zone Forecast: Polk County | |
Visit your local NWS office at: https://www.weather.gov/desmoines |