| NWS Forecast for: Poweshiek County Issued by: National Weather Service Des Moines, IA Last Update: 457 AM CDT Sat Aug 15 2026 |  |
Today: Mostly cloudy. A chance of showers and thunderstorms early this morning. Patchy fog early this morning. Some thunderstorms may produce heavy rainfall this morning. Locally heavy rainfall possible early. Humid with highs in the mid 80s. East winds 5 to 10 mph, becoming south this morning, then becoming west this afternoon. Chance of rain 50 percent. Tonight: Mostly cloudy with a chance of thunderstorms. A chance of showers. Humid with lows in the upper 60s. West winds around 5 mph. Chance of rain 50 percent. Sunday: Partly sunny. Humid with highs in the lower 80s. Northwest winds 5 to 10 mph. Sunday Night: Partly cloudy in the evening, then clearing. Humid with lows around 60. Northwest winds 5 to 10 mph. Monday: Sunny. Highs in the lower 80s. Northwest winds around 5 mph. Monday Night: Mostly clear in the evening, then partly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the lower 60s. Chance of rain 20 percent. Tuesday: Partly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 40 percent. Tuesday Night: A chance of thunderstorms. Showers, mainly in the evening. Locally heavy rainfall possible in the evening. Lows in the mid 60s. Chance of rain 80 percent. Wednesday: Mostly cloudy with a slight chance of showers and thunderstorms in the morning, then partly sunny in the afternoon. Highs in the upper 70s. Chance of rain 20 percent. Wednesday Night: Partly cloudy. Lows in the upper 50s. Thursday: Mostly sunny. Highs in the mid 70s. Thursday Night: Partly cloudy. A slight chance of showers after midnight. Lows in the upper 50s. Chance of rain 20 percent. Friday: Mostly sunny. A slight chance of showers in the morning. Highs in the upper 70s. Chance of rain 20 percent. | |
| Zone Forecast: Poweshiek County | |
Visit your local NWS office at: https://www.weather.gov/desmoines |