| NWS Forecast for: Decatur County Issued by: National Weather Service Des Moines, IA Last Update: 227 AM CDT Thu Jul 23 2026 | |
Today: Mostly cloudy. Highs in the lower 80s. Southeast winds around 5 mph. Tonight: Mostly cloudy. A slight chance of showers in the evening, then showers likely with a slight chance of thunderstorms after midnight. Lows in the lower 60s. Southeast winds 5 to 10 mph. Chance of rain 70 percent. Friday: Cloudy. Showers with a slight chance of thunderstorms in the morning, then a chance of showers in the afternoon. Highs in the mid 70s. Southeast winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 90 percent. Friday Night: Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Humid with lows in the mid 60s. Southeast winds 5 to 10 mph. Chance of rain 50 percent. Saturday: Partly sunny in the morning, then clearing. Not as cool. Humid with highs in the upper 80s. Southwest winds around 5 mph. Saturday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 60s. Sunday: Sunny. Highs in the mid 90s. Heat index values up to 105. Sunday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 70s. Heat index values up to 105 early in the evening. Monday: Sunny, hot with highs in the mid 90s. Heat index values up to 105. Monday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 70s. Heat index values up to 105 early in the evening. Tuesday: Mostly sunny. Highs in the lower 90s. Tuesday Night: Partly cloudy. Lows around 70. Wednesday: Mostly sunny. Highs around 90. | |
| Zone Forecast: Decatur County | |
Visit your local NWS office at: https://www.weather.gov/desmoines |