National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Decorah (KDEH)

Lat: 43.28°NLon: 91.73°WElev: 1158ft.

Mostly Cloudy

72°F

22°C

Humidity 100%
Wind Speed SE 5 mph
Barometer 29.87 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 3 Sep 1:55 am CDT
Extended Forecast for

Waukon IA

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 72. Light southwest wind.

    Low: 72 °F

    Partly Cloudy

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly before 11am. Mostly sunny, with a high near 87. Heat index values as high as 95. South wind 3 to 6 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Showers
    Likely then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely, mainly before 2am, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 70. South wind 3 to 6 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 70 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly before 9am. Mostly cloudy through mid morning, then gradual clearing, with a high near 89. Heat index values as high as 98. South wind around 5 mph becoming calm in the afternoon.

    High: 89 °F

    Chance
    Showers then
    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 85. Light east wind.

    High: 85 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 65. Light east wind.

    Low: 65 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 82. Light southeast wind.

    High: 82 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 64. Light southeast wind.

    Low: 64 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 72. Light southwest wind.
Thursday
Showers and thunderstorms likely, mainly before 11am. Mostly sunny, with a high near 87. Heat index values as high as 95. South wind 3 to 6 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and thunderstorms likely, mainly before 2am, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 70. South wind 3 to 6 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A 30 percent chance of showers and thunderstorms, mainly before 9am. Mostly cloudy through mid morning, then gradual clearing, with a high near 89. Heat index values as high as 98. South wind around 5 mph becoming calm in the afternoon.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 68. Calm wind.
Saturday
Mostly sunny, with a high near 85. Light east wind.
Saturday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 65. Light east wind.
Sunday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 82. Light southeast wind.
Sunday Night
Partly cloudy, with a low around 64. Light southeast wind.
Labor Day
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 81. South wind 3 to 7 mph.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 65. Southeast wind 6 to 8 mph, with gusts as high as 18 mph.
Tuesday
A 30 percent chance of showers. Mostly sunny, with a high near 84. South wind 8 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 66. South wind 6 to 9 mph becoming west after midnight. Winds could gust as high as 18 mph. Chance of precipitation is 60%.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 81. West wind 5 to 7 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Waukon IA
 43.25°N 91.47°W
Last Update:
1:26 am CDT Sep 3, 2026
Forecast Valid:
2am CDT Sep 3, 2026-6pm CDT Sep 9, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation