Decorah, IA Weather - Tomorrow’s Forecast

Monday

Showers likely

High:
91°F

Showers and thunderstorms likely, mainly before 2pm. Areas of smoke between 10am and noon. Mostly cloudy, then gradually becoming sunny, with a high near 91. Heat index values as high as 105. Southwest wind 7 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Monday Night

Chance of thunderstorms

Overnight low:
68°F

A 40 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 68. Northwest wind 6 to 11 mph, with gusts as high as 20 mph. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.