| NWS Forecast for: Mahaska County Issued by: National Weather Service Des Moines, IA Last Update: 337 AM CDT Mon Jun 22 2026 |  |
| Today: Partly cloudy. Highs in the upper 70s. Northeast winds around 5 mph. Tonight: Mostly clear. Lows in the mid 50s. East winds around 5 mph in the evening, becoming light and variable. Tuesday: Mostly sunny in the morning, then becoming mostly cloudy. Highs in the upper 70s. Southeast winds 5 to 10 mph. Tuesday Night: Partly cloudy in the evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Lows in the lower 60s. South winds around 5 mph. Chance of rain 30 percent. Wednesday: Mostly sunny. A slight chance of showers and thunderstorms in the morning. Highs in the lower 80s. West winds 5 to 10 mph. Chance of rain 20 percent. Wednesday Night: Partly cloudy. Lows in the upper 50s. Thursday: Mostly sunny. Highs in the upper 70s. Thursday Night: Mostly clear. Lows in the upper 50s. Friday: Mostly sunny. A slight chance of showers and thunderstorms in the morning. Highs in the upper 70s. Chance of rain 20 percent. Friday Night: Mostly cloudy in the evening, then becoming partly cloudy. A slight chance of showers and thunderstorms. Lows in the lower 60s. Chance of rain 20 percent. Saturday: Mostly sunny with a slight chance of showers and thunderstorms. Highs in the mid 80s. Chance of rain 20 percent. Saturday Night: Partly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Lows in the upper 60s. Chance of rain 30 percent. Sunday: Mostly sunny. A slight chance of showers and thunderstorms in the morning. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 100 in the afternoon. | |
| Zone Forecast: Mahaska County | |
Visit your local NWS office at: https://www.weather.gov/desmoines |