| NWS Forecast for: Black Hawk County Issued by: National Weather Service Des Moines, IA Last Update: 958 PM CDT Wed Jul 22 2026 |  |
| Rest Of Tonight: Mostly clear. Lows in the lower 50s. East winds around 5 mph late this evening, becoming light and variable. Thursday: Mostly sunny. Highs in the upper 70s. South winds around 5 mph. Thursday Night: Mostly cloudy. Lows in the upper 50s. Southeast winds around 5 mph. Friday: Partly sunny. Highs in the upper 70s. South winds 10 to 15 mph. Friday Night: Mostly cloudy. Lows in the lower 60s. South winds 5 to 10 mph. Saturday: Partly sunny in the morning, then clearing. Highs in the upper 80s. Saturday Night: Mostly clear. Lows around 70. Sunday: Mostly sunny. Highs in the lower 90s. Heat index values up to 105 in the afternoon. Sunday Night: Partly cloudy in the evening, then clearing. A slight chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 20 percent. Heat index values up to 105 early in the evening. Monday: Sunny. Highs in the lower 90s. Heat index values up to 100. Monday Night: Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 60s. Heat index values up to 100 early in the evening. Tuesday: Mostly sunny. Highs in the upper 80s. Tuesday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 60s. Wednesday: Sunny. Highs in the mid 80s. | |
| Zone Forecast: Black Hawk County | |
Visit your local NWS office at: https://www.weather.gov/desmoines |