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.

Fair

68°F

20°C

Humidity 64%
Wind Speed Vrbl 7 G 17 mph
Barometer 30.00 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 20 Jun 10:35 am CDT
Extended Forecast for

Fort Atkinson IA

  • Today

    Today: Sunny, with a high near 75. Northwest wind 8 to 10 mph.

    High: 75 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 54. Northwest wind around 5 mph becoming calm in the evening.

    Low: 54 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A 40 percent chance of showers, mainly after noon. Mostly cloudy, with a high near 70. East wind 5 to 11 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 70 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 54. Northeast wind 5 to 9 mph.

    Low: 54 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 75. Northeast wind 5 to 7 mph.

    High: 75 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 54. Northeast wind around 5 mph becoming calm in the evening.

    Low: 54 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 75. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 75 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 57. Southwest wind 5 to 7 mph. Chance of precipitation is 60%.

    Low: 57 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 75. West wind 6 to 11 mph.

    High: 75 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 75. Northwest wind 8 to 10 mph.
Tonight
Increasing clouds, with a low around 54. Northwest wind around 5 mph becoming calm in the evening.
Sunday
A 40 percent chance of showers, mainly after noon. Mostly cloudy, with a high near 70. East wind 5 to 11 mph. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
A 20 percent chance of showers before 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 54. Northeast wind 5 to 9 mph.
Monday
Mostly sunny, with a high near 75. Northeast wind 5 to 7 mph.
Monday Night
Partly cloudy, with a low around 54. Northeast wind around 5 mph becoming calm in the evening.
Tuesday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 75. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 57. Southwest wind 5 to 7 mph. Chance of precipitation is 60%.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 75. West wind 6 to 11 mph.
Wednesday Night
Partly cloudy, with a low around 54. Northwest wind 5 to 8 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 75. North wind 3 to 6 mph.
Thursday Night
Partly cloudy, with a low around 55. North wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 77. Calm wind becoming south around 5 mph in the afternoon.
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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:
10:36 am CDT Jun 20, 2026
Forecast Valid:
10am CDT Jun 20, 2026-6pm CDT Jun 26, 2026
 
Forecast Discussion
 
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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