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

Hazardous Weather Conditions

Current conditions at

Decorah (KDEH)

Lat: 43.28°NLon: 91.73°WElev: 1158ft.

A Few Clouds

57°F

14°C

Humidity 72%
Wind Speed Calm
Barometer 29.64 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 16 Jun 10:35 pm CDT
Extended Forecast for

Fort Atkinson IA

  • Tonight

    Tonight: Showers likely, with thunderstorms also possible after 4am. Mostly cloudy, with a low around 55. Calm wind becoming south 5 to 9 mph after midnight. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. High near 72. Breezy, with a southeast wind 13 to 17 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 72 °F

    Showers and
    Breezy then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Increasing clouds, with a low around 54. Breezy, with a northwest wind 10 to 17 mph, with gusts as high as 26 mph.

    Low: 54 °F

    Chance
    Showers and
    Breezy then
    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 3pm. Mostly cloudy through mid morning, then gradual clearing, with a high near 72. Northwest wind 10 to 14 mph.

    High: 72 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 51. Northwest wind 5 to 9 mph becoming calm in the evening.

    Low: 51 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 75. Light west wind increasing to 5 to 9 mph in the morning.

    High: 75 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers after 1am. Mostly clear, with a low around 55. West wind around 6 mph becoming calm in the evening.

    Low: 55 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 76. West wind around 6 mph.

    High: 76 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 57. East wind around 5 mph.

    Low: 57 °F

    Slight Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Tonight
Showers likely, with thunderstorms also possible after 4am. Mostly cloudy, with a low around 55. Calm wind becoming south 5 to 9 mph after midnight. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. High near 72. Breezy, with a southeast wind 13 to 17 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Increasing clouds, with a low around 54. Breezy, with a northwest wind 10 to 17 mph, with gusts as high as 26 mph.
Thursday
A 20 percent chance of showers and thunderstorms after 3pm. Mostly cloudy through mid morning, then gradual clearing, with a high near 72. Northwest wind 10 to 14 mph.
Thursday Night
Mostly clear, with a low around 51. Northwest wind 5 to 9 mph becoming calm in the evening.
Juneteenth
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 75. Light west wind increasing to 5 to 9 mph in the morning.
Friday Night
A 20 percent chance of showers after 1am. Mostly clear, with a low around 55. West wind around 6 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 76. West wind around 6 mph.
Saturday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 57. East wind around 5 mph.
Sunday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 73. East wind 7 to 13 mph.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 56. East wind 8 to 11 mph.
Monday
Mostly sunny, with a high near 75. Northeast wind around 9 mph.
Monday Night
Partly cloudy, with a low around 56. East wind around 6 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 77. Calm wind becoming west 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:
10:31 pm CDT Jun 16, 2026
Forecast Valid:
10pm CDT Jun 16, 2026-6pm CDT Jun 23, 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