| NWS Forecast for: Boone County Issued by: National Weather Service Des Moines, IA Last Update: 408 PM CDT Sat Sep 5 2026 |  |
Tonight: Partly cloudy. A slight chance of showers and thunderstorms after midnight. Humid with lows in the upper 60s. East winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 101 early this evening. Sunday: Partly sunny with a chance of showers and thunderstorms. Humid with highs in the mid 80s. East winds 5 to 10 mph. Chance of rain 50 percent. Sunday Night: Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy with a slight chance of showers and thunderstorms after midnight. Humid with lows in the mid 60s. Southeast winds 5 to 10 mph. Chance of rain 40 percent. Labor Day: Mostly sunny. A slight chance of showers in the morning. Humid with highs in the mid 80s. Southeast winds 10 to 15 mph. Chance of rain 20 percent. Monday Night: Partly cloudy. Lows in the upper 60s. Southeast winds 10 to 15 mph. Tuesday: Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 100 in the afternoon. Tuesday Night: A chance of thunderstorms. Showers likely, mainly in the evening. Lows in the upper 60s. Chance of rain 70 percent. Wednesday: Mostly sunny. Highs in the mid 80s. Wednesday Night: Partly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the lower 60s. Chance of rain 20 percent. Thursday: Mostly sunny. Highs in the lower 80s. Thursday Night: Partly cloudy. Lows in the lower 60s. Friday: Mostly sunny. Highs in the mid 80s. Friday Night: Mostly clear with a slight chance of showers and thunderstorms. Lows in the lower 60s. Chance of rain 20 percent. Saturday: Sunny. A slight chance of showers in the morning. Highs in the mid 80s. Chance of rain 20 percent. | |
| Zone Forecast: Boone County | |
Visit your local NWS office at: https://www.weather.gov/desmoines |