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.

Partly Cloudy

79°F

26°C

Humidity 48%
Wind Speed N 9 mph
Barometer 30.06 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 27 Aug 3:15 pm CDT
Extended Forecast for

Fort Atkinson IA

  • Tonight

    Tonight: Mostly clear, with a low around 54. Northwest wind around 6 mph becoming calm in the evening.

    Low: 54 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 81. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: A 10 percent chance of showers after 5am. Mostly cloudy, with a low around 64. South wind 3 to 8 mph.

    Low: 64 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: Showers likely, with thunderstorms also possible after 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 79. South wind 9 to 15 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.

    High: 79 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 68. South wind 11 to 14 mph, with gusts as high as 22 mph.

    Low: 68 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Breezy, with a south wind 13 to 16 mph, with gusts as high as 24 mph.

    High: 88 °F

    Breezy.
    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 72. South wind 9 to 11 mph, with gusts as high as 20 mph.

    Low: 72 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Monday

    Monday: A 30 percent chance of showers before 1pm. Partly sunny, with a high near 88. Southwest wind around 9 mph.

    High: 88 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. Southwest wind around 5 mph becoming calm in the evening.

    Low: 69 °F

    Mostly Cloudy
    then Chance
    T-storms

Detailed Forecast

Tonight
Mostly clear, with a low around 54. Northwest wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 81. Calm wind becoming southwest around 6 mph in the afternoon.
Friday Night
A 10 percent chance of showers after 5am. Mostly cloudy, with a low around 64. South wind 3 to 8 mph.
Saturday
Showers likely, with thunderstorms also possible after 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 79. South wind 9 to 15 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.
Saturday Night
Partly cloudy, with a low around 68. South wind 11 to 14 mph, with gusts as high as 22 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. Breezy, with a south wind 13 to 16 mph, with gusts as high as 24 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 72. South wind 9 to 11 mph, with gusts as high as 20 mph.
Monday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 88. Southwest wind around 9 mph.
Monday Night
A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. Southwest wind around 5 mph becoming calm in the evening.
Tuesday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 86. Calm wind becoming south around 6 mph in the afternoon.
Tuesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Calm wind.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 86. Calm wind becoming southwest around 6 mph in the afternoon.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67. Light south wind.
Thursday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 86. Southwest wind 3 to 8 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fort Atkinson IA
 43.15°N 91.94°W
Last Update:
1:26 pm CDT Aug 27, 2026
Forecast Valid:
3pm CDT Aug 27, 2026-6pm CDT Sep 3, 2026
 
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Additional Resources

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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