| NWS Forecast for: Mahaska County Issued by: National Weather Service Des Moines, IA Last Update: 238 PM CDT Sun Oct 18 2026 |  |
| Tonight: Clear. Lows in the lower 40s. South winds 10 to 15 mph with gusts up to 25 mph, diminishing to around 5 mph after midnight. Monday: Mostly sunny. Highs in the lower 70s. South winds around 5 mph. Monday Night: Partly cloudy. Lows in the mid 40s. Southeast winds around 5 mph. Tuesday: Sunny. Highs in the lower 70s. Southeast winds around 5 mph. Tuesday Night: Mostly clear. Lows around 50. Southeast winds around 5 mph. Wednesday: Sunny. Highs in the lower 70s. Wednesday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 50s. Thursday: Mostly sunny. Highs in the mid 70s. Thursday Night: Mostly clear. Lows in the mid 50s. Friday: Mostly sunny. Highs in the mid 70s. Friday Night: Partly cloudy. Lows in the upper 50s. Saturday: Partly sunny. Highs in the mid 70s. Saturday Night: Mostly cloudy. Lows in the upper 50s. Sunday: Partly sunny. A slight chance of showers in the afternoon. Highs in the lower 70s. Chance of rain 20 percent. | |
| Zone Forecast: Mahaska County | |
Visit your local NWS office at: https://www.weather.gov/desmoines |