Thursday
Slight chance of thunderstorms
High:
91°F
A 20 percent chance of showers and thunderstorms before 11am. Mostly sunny, with a high near 91. Heat index values as high as 100. South wind 5 to 10 mph.
Dubuque, IA Weather - Tomorrow’s Forecast
Thursday Night
Mostly clear
Overnight low:
72°F
A chance of showers and thunderstorms before 3am, then a chance of showers and thunderstorms after 4am. Mostly clear, with a low around 72. South wind around 5 mph becoming north after midnight. Chance of precipitation is 50%.