| NWS Forecast for: Grundy County Issued by: National Weather Service Des Moines, IA Last Update: 844 PM CDT Wed Jun 3 2026 | |
| Rest Of Tonight: Partly cloudy. Lows in the lower 60s. South winds 5 to 10 mph. Thursday: Partly sunny with a chance of showers and thunderstorms. Highs in the lower 80s. Southwest winds 10 to 15 mph. Chance of rain 50 percent. Thursday Night: A chance of thunderstorms. Showers. Lows in the lower 60s. South winds around 10 mph. Chance of rain 90 percent. Friday: Becoming partly sunny in the afternoon. A chance of thunderstorms. Showers likely, mainly in the morning. Humid with highs in the lower 80s. Southwest winds around 10 mph. Chance of rain 70 percent. Friday Night: Showers likely with a chance of thunderstorms in the evening, then partly cloudy with a chance of showers with a slight chance of thunderstorms after midnight. Humid with lows in the lower 60s. Southwest winds 5 to 10 mph. Chance of rain 70 percent. Saturday: Mostly sunny. Highs in the mid 80s. Saturday Night: Partly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the mid 60s. Chance of rain 20 percent. Sunday: Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 30 percent. Sunday Night: Partly cloudy in the evening, then becoming mostly cloudy. A 50 percent chance of showers. Lows in the mid 60s. Monday: Partly sunny. A chance of showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 60 percent. Monday Night: Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers. A chance of thunderstorms, mainly in the evening. Lows in the mid 60s. Chance of rain 40 percent. Tuesday: Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 20 percent. Tuesday Night: Partly cloudy with a slight chance of showers and thunderstorms. Lows in the mid 60s. Chance of rain 20 percent. Wednesday: Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs around 90. Chance of rain 20 percent. | |
| Zone Forecast: Grundy County | |
Visit your local NWS office at: https://www.weather.gov/desmoines |