| NWS Forecast for: Decatur County Issued by: National Weather Service Des Moines, IA Last Update: 928 AM CDT Wed Sep 16 2026 | |
Rest Of Today: A slight chance of thunderstorms. Showers. Some thunderstorms may produce heavy rainfall. Highs in the mid 70s. East winds around 5 mph. Chance of rain near 100 percent. Tonight: Mostly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Humid with lows in the mid 60s. East winds around 5 mph. Chance of rain 50 percent. Thursday: Mostly cloudy. A chance of showers and thunderstorms in the morning. Humid with highs around 80. Northeast winds around 5 mph. Chance of rain 50 percent. Thursday Night: Mostly cloudy. A chance of showers and thunderstorms after midnight. Humid with lows in the upper 60s. East winds around 5 mph. Chance of rain 30 percent. Friday: Mostly sunny. Humid with highs in the mid 80s. South winds 10 to 15 mph. Friday Night: Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly cloudy with showers likely with a chance of thunderstorms after midnight. Lows in the upper 60s. Chance of rain 60 percent. Saturday: Mostly cloudy in the morning, then becoming partly sunny. A chance of showers. A chance of thunderstorms, mainly in the morning. Highs in the lower 80s. Chance of rain 50 percent. Saturday Night: Showers likely with a chance of thunderstorms. Lows in the mid 60s. Chance of rain 70 percent. Sunday: A chance of thunderstorms. Showers likely. Highs in the lower 70s. Chance of rain 70 percent. Sunday Night: A slight chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows around 60. Chance of rain 40 percent. Monday: Mostly cloudy. A chance of showers, mainly in the morning. Highs in the upper 60s. Chance of rain 40 percent. Monday Night: Partly cloudy with a 20 percent chance of showers. Lows in the upper 50s. Tuesday: Partly sunny. A slight chance of showers in the morning. Highs around 70. Chance of rain 20 percent. | |
| Zone Forecast: Decatur County | |
Visit your local NWS office at: https://www.weather.gov/desmoines |