| NWS Forecast for: Dubuque County Issued by: National Weather Service Quad Cities, IA/IL Last Update: 633 AM CDT Wed Jul 22 2026 | |
| Today: Sunny. Highs in the mid 70s. North winds 5 to 10 mph. Tonight: Mostly clear. Lows in the mid 50s. North winds around 5 mph in the 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. South winds around 5 mph. Friday: Mostly sunny. Highs in the upper 70s. South winds 5 to 10 mph. Friday Night And Saturday: Partly cloudy. Lows in the lower 60s. Highs in the mid 80s. Saturday Night: Mostly clear in the evening, then becoming partly cloudy. Lows around 70. Sunday: Mostly sunny. Hot with highs in the lower 90s. Heat index values up to 105. Sunday Night: A chance of thunderstorms in the evening. Partly cloudy with a chance of showers. Lows in the lower 70s. Chance of rain 40 percent. Heat index values up to 100 early in the evening. Monday: Mostly sunny. Hot with highs around 90. Monday Night And Tuesday: Mostly clear. Lows in the upper 60s. Highs in the upper 80s. | |
| Zone Forecast: Dubuque County | |
Visit your local NWS office at: https://www.weather.gov/dvn |