| NWS Forecast for: Mahaska County Issued by: National Weather Service Des Moines, IA Last Update: 222 PM CDT Thu Aug 20 2026 |  |
Tonight: Mostly clear. Humid with lows in the mid 60s. South winds around 5 mph. Friday: Sunny with highs in the mid 80s. Southwest winds 5 to 10 mph, becoming west in the afternoon. Friday Night: Mostly clear. Humid with lows in the mid 60s. Northwest winds 5 to 10 mph. Saturday: Sunny with highs in the lower 80s. Northwest winds 5 to 10 mph. Saturday Night: Clear. Lows in the upper 50s. North winds 5 to 10 mph. Sunday: Sunny. Highs in the upper 70s. Sunday Night: Partly cloudy. Lows around 60. Monday: Partly sunny. A slight chance of showers in the morning. Highs in the upper 70s. Chance of rain 20 percent. Monday Night: Mostly clear. 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 afternoon. Highs in the lower 80s. Chance of rain 20 percent. Tuesday Night: A slight chance of thunderstorms in the evening. Partly cloudy with a slight chance of showers. Lows in the mid 60s. Chance of rain 20 percent. Wednesday: Mostly sunny. Highs in the lower 80s. Wednesday Night: Mostly clear. Lows in the lower 60s. Thursday: Mostly sunny. Highs in the lower 80s. | |
| Zone Forecast: Mahaska County | |
Visit your local NWS office at: https://www.weather.gov/desmoines |