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Hazardous Weather Conditions

Current conditions at

Decorah (KDEH)

Lat: 43.28°NLon: 91.73°WElev: 1158ft.

Fair

75°F

24°C

Humidity 69%
Wind Speed Vrbl 6 mph
Barometer 29.89 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 19 Jun 8:55 pm CDT
Extended Forecast for

Fort Atkinson IA

Extreme Heat Watch June 21, 12:00pm until June 22, 09:00pm
Click here for hazard details and duration
Extreme Heat Watch

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 4am. Increasing clouds, with a low around 65. South wind 6 to 10 mph. New rainfall amounts between a quarter and half of an inch possible.

    Low: 65 °F

    Mostly Clear
    then Chance
    T-storms

  • Friday

    Friday: Showers and thunderstorms, mainly before 10am. Some of the storms could produce heavy rainfall. High near 87. Heat index values as high as 95. Breezy, with a south wind 10 to 17 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 87 °F

    Heavy Rain
    then Mostly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 75. Breezy, with a south wind 14 to 18 mph, with gusts as high as 28 mph.

    Low: 75 °F

    Mostly Clear
    then Mostly
    Clear and
    Breezy

  • Saturday

    Saturday: Sunny, with a high near 93. Heat index values as high as 103. Breezy, with a south wind 20 to 22 mph, with gusts as high as 32 mph.

    High: 93 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 75. Breezy, with a south wind around 18 mph, with gusts as high as 28 mph.

    Low: 75 °F

    Mostly Clear
    and Breezy

  • Sunday

    Sunday: Sunny, with a high near 94. Breezy, with a south wind 17 to 22 mph, with gusts as high as 31 mph.

    High: 94 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 75. Breezy, with a south wind 14 to 18 mph, with gusts as high as 28 mph.

    Low: 75 °F

    Breezy.
    Mostly Clear
    then Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 89. Southwest wind 11 to 14 mph. Chance of precipitation is 60%.

    High: 89 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 66. Northwest wind 6 to 10 mph. Chance of precipitation is 90%.

    Low: 66 °F

    Showers

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms, mainly after 4am. Increasing clouds, with a low around 65. South wind 6 to 10 mph. New rainfall amounts between a quarter and half of an inch possible.
Friday
Showers and thunderstorms, mainly before 10am. Some of the storms could produce heavy rainfall. High near 87. Heat index values as high as 95. Breezy, with a south wind 10 to 17 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Mostly clear, with a low around 75. Breezy, with a south wind 14 to 18 mph, with gusts as high as 28 mph.
Saturday
Sunny, with a high near 93. Heat index values as high as 103. Breezy, with a south wind 20 to 22 mph, with gusts as high as 32 mph.
Saturday Night
Mostly clear, with a low around 75. Breezy, with a south wind around 18 mph, with gusts as high as 28 mph.
Sunday
Sunny, with a high near 94. Breezy, with a south wind 17 to 22 mph, with gusts as high as 31 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 75. Breezy, with a south wind 14 to 18 mph, with gusts as high as 28 mph.
Monday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 89. Southwest wind 11 to 14 mph. Chance of precipitation is 60%.
Monday Night
Showers and possibly a thunderstorm. Low around 66. Northwest wind 6 to 10 mph. Chance of precipitation is 90%.
Tuesday
Showers and possibly a thunderstorm. High near 80. Northeast wind 6 to 9 mph becoming northwest in the afternoon. Chance of precipitation is 80%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 66. Northeast wind around 7 mph becoming east after midnight. Chance of precipitation is 80%.
Wednesday
Showers and possibly a thunderstorm. High near 82. South wind 7 to 10 mph. Chance of precipitation is 80%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 66. South wind around 7 mph. Chance of precipitation is 80%.
Thursday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 80. Southwest wind 8 to 11 mph. Chance of precipitation is 60%.
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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:
5:43 pm CDT Jun 19, 2025
Forecast Valid:
9pm CDT Jun 19, 2025-6pm CDT Jun 26, 2025
 
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