| NWS Forecast for: Polk County Issued by: National Weather Service Des Moines, IA Last Update: 253 PM CDT Fri Aug 21 2026 | |
| Tonight: Mostly clear. Humid with lows in the mid 60s. West winds 5 to 10 mph, becoming north. Saturday: Sunny. Highs in the lower 80s. Northwest winds 5 to 10 mph. Saturday Night: Mostly clear. Lows in the upper 50s. North winds 5 to 10 mph. Sunday: Mostly sunny. Highs around 80. North winds around 5 mph, becoming east in the afternoon. Sunday Night: Mostly cloudy. A chance of showers with a slight chance of thunderstorms after midnight. Lows in the lower 60s. Southeast winds around 5 mph. Chance of rain 40 percent. Monday: Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the morning, then partly sunny in the afternoon. Highs in the upper 70s. Chance of rain 50 percent. Monday Night: Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of showers. A slight chance of thunderstorms after midnight. Lows in the mid 60s. Chance of rain 20 percent. Tuesday: Partly sunny. A slight chance of showers in the morning. Highs in the lower 80s. Chance of rain 20 percent. Tuesday Night: Mostly cloudy in the evening, then becoming partly cloudy. A slight chance of showers and thunderstorms. Lows in the mid 60s. Chance of rain 20 percent. Wednesday: Sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 20 percent. Wednesday Night: Mostly clear. Lows in the mid 60s. Thursday: Mostly sunny. Highs in the lower 80s. Thursday Night: Partly cloudy. A chance of showers after midnight. Lows in the mid 60s. Chance of rain 30 percent. Friday: Mostly sunny. A slight chance of showers in the morning. Highs in the lower 80s. Chance of rain 20 percent. | |
| Zone Forecast: Polk County | |
Visit your local NWS office at: https://www.weather.gov/desmoines |