Thursday
Patchy fog
High:
73°F
Patchy fog before 10am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 73. Light and variable wind.
Decorah, IA Weather - Extended Forecast
Thursday Night
Mostly clear
Overnight low:
50°F
Mostly clear, with a low around 50. Calm wind.
Friday
Mostly sunny
High:
71°F
Mostly sunny, with a high near 71. Light southeast wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Friday Night
Mostly cloudy
Overnight low:
56°F
Mostly cloudy, with a low around 56. South wind around 9 mph, with gusts as high as 18 mph.
Saturday
Partly sunny
High:
72°F
Saturday Night
Mostly cloudy
Overnight low:
53°F
Sunday
Chance of showers and thunderstorms
High:
64°F
Sunday Night
Chance of showers
Overnight low:
46°F
Monday
Chance of showers and thunderstorms
High:
57°F
Monday Night
Partly cloudy
Overnight low:
40°F
Tuesday
Mostly sunny
High:
55°F