| NWS Forecast for: Polk County Issued by: National Weather Service Des Moines, IA Last Update: 208 PM CDT Thu Sep 17 2026 | |
Tonight: Mostly cloudy. A chance of showers and thunderstorms after midnight. Patchy fog after midnight. Humid with lows in the mid 60s. North winds around 5 mph, becoming east after midnight. Chance of rain 50 percent. Friday: Mostly cloudy. A chance of showers and thunderstorms in the morning. Patchy fog 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: Showers likely with a chance of thunderstorms in the morning, then partly sunny with a chance of showers with a slight chance of thunderstorms in the afternoon. Humid with highs in the lower 80s. West winds 5 to 10 mph. Chance of rain 70 percent. Saturday Night: Showers with a chance of thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. Humid with lows in the mid 60s. North winds 5 to 10 mph. Chance of rain 80 percent. Sunday: A chance of thunderstorms. Showers likely. Near steady temperature in the mid 60s. Chance of rain 70 percent. Sunday Night: A chance of showers in the evening, then showers likely with a slight chance of thunderstorms after midnight. Lows in the upper 50s. Chance of rain 70 percent. Monday: Showers likely, mainly in the morning. Near steady temperature around 60. Chance of rain 60 percent. Monday Night: Mostly cloudy. A slight chance of showers in the evening, then a chance of showers after midnight. Near steady temperature in the upper 50s. Chance of rain 40 percent. Tuesday: Mostly cloudy in the morning, then becoming partly sunny. Highs in the lower 60s. Tuesday Night: Partly cloudy. Lows in the lower 50s. Wednesday: Partly sunny. Highs in the mid 60s. Wednesday Night: Mostly cloudy with a slight chance of showers in the evening, then partly cloudy with a chance of showers after midnight. Lows in the upper 50s. Chance of rain 30 percent. Thursday: Mostly cloudy with a chance of showers in the morning, then partly sunny in the afternoon. Highs in the upper 60s. Chance of rain 40 percent. | |
| Zone Forecast: Polk County | |
Visit your local NWS office at: https://www.weather.gov/desmoines |