| NWS Forecast for: Dallas County Issued by: National Weather Service Des Moines, IA Last Update: 258 AM CDT Sun May 17 2026 |  |
Today: Showers with a chance of thunderstorms after midnight. Breezy with highs in the mid 80s. Southeast winds around 10 mph, increasing to 15 to 25 mph with gusts up to 40 mph. Chance of rain near 100 percent. Tonight: Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Breezy with lows in the lower 60s. South winds 15 to 25 mph with gusts up to 35 mph. Chance of rain 70 percent. Monday: Mostly cloudy with a chance of showers and thunderstorms. Humid with highs in the lower 80s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 50 percent. Monday Night: Showers with thunderstorms likely in the evening, then showers likely with a slight chance of thunderstorms after midnight. Locally heavy rainfall possible in the evening. Lows in the lower 50s. South winds around 15 mph, becoming west after midnight. Chance of rain near 100 percent. Tuesday: Mostly cloudy in the morning, then becoming partly sunny. Much cooler. Less humid with highs in the lower 60s. Northwest winds 15 to 20 mph. Tuesday Night: Partly cloudy in the evening, then clearing. Lows in the lower 40s. Wednesday: Mostly sunny. Highs in the lower 60s. Wednesday Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 40s. Thursday: Partly sunny. Highs in the mid 60s. Thursday Night: Mostly cloudy. Lows in the upper 40s. Friday: Partly sunny. A slight chance of showers in the morning. Highs in the lower 70s. Chance of rain 20 percent. Friday Night: Mostly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 50s. Chance of rain 20 percent. Saturday: Partly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 20 percent. | |
| Zone Forecast: Dallas County | |
Visit your local NWS office at: https://www.weather.gov/desmoines |