| NWS Forecast for: Grundy County Issued by: National Weather Service Des Moines, IA Last Update: 233 AM CDT Fri Oct 2 2026 | |
Today: Mostly sunny. Highs in the lower 60s. North winds 5 to 10 mph. Tonight: Mostly clear. Lows in the mid 40s. East winds around 5 mph. Saturday: Sunny. Highs in the mid 60s. South winds 10 to 15 mph. Saturday Night: Mostly clear. Lows in the lower 50s. South winds 5 to 10 mph, becoming southwest after midnight. Sunday: Sunny. Highs in the mid 60s. North winds 5 to 10 mph. Sunday Night: Clear. Lows in the lower 40s. Monday: Sunny. Highs in the lower 60s. Monday Night: Clear. Lows in the upper 40s. Tuesday: Sunny. Highs in the upper 60s. Tuesday Night: Partly cloudy. Lows in the mid 50s. Wednesday: Mostly sunny. Highs in the lower 70s. Wednesday Night: Partly cloudy. Lows in the lower 50s. Thursday: Mostly sunny. Highs in the lower 70s. | |
| Zone Forecast: Grundy County | |
Visit your local NWS office at: https://www.weather.gov/desmoines |