7-Day Zone Forecast for Mahaska County (Text-Only)
NWS Forecast for: Mahaska County
Issued by: National Weather Service Des Moines, IA
Last Update: 308 AM CDT Fri Jun 19 2026




Today: Sunny early this morning, then becoming mostly sunny. A slight chance of showers and thunderstorms this afternoon. Highs in the lower 80s. West winds 5 to 10 mph. Chance of rain 20 percent.

Tonight: Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Lows around 60. Northwest winds 5 to 10 mph, becoming west after midnight. Chance of rain 40 percent.

Saturday: Sunny. Highs in the lower 80s. West winds around 5 mph.

Saturday Night: Mostly cloudy. A slight chance of showers and thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight. Lows around 60. East winds around 5 mph, increasing to 10 to 15 mph after midnight. Chance of rain 70 percent.

Sunday: A chance of thunderstorms. Showers, mainly in the morning. Locally heavy rainfall possible in the morning. Highs in the lower 70s. East winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 90 percent.

Sunday Night: Mostly cloudy with a slight chance of thunderstorms. A chance of showers, mainly in the evening. Lows in the mid 50s. Chance of rain 40 percent.

Monday: Mostly sunny. Highs in the mid 70s.

Monday Night: Partly cloudy. Lows in the mid 50s.

Tuesday: Mostly sunny. Highs in the upper 70s.

Tuesday Night: Partly cloudy with a slight chance of showers and thunderstorms. Lows in the upper 50s. Chance of rain 20 percent.

Wednesday: Sunny. Highs around 80.

Wednesday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 50s.

Thursday: Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs around 80. Chance of rain 20 percent.







Zone Forecast: Mahaska County

Visit your local NWS office at: https://www.weather.gov/desmoines