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

Dangerously Hot This Weekend - Be Ready!

Heat Advisories and Warnings are in effect this weekend with widespread hot and humid conditions. This heat will be dangerous - children, pets and the elderly are especially susceptible to the heat - check on them!!  Read More >

Hazardous Weather Conditions

Current conditions at

Decorah (KDEH)

Lat: 43.28°NLon: 91.73°WElev: 1158ft.

A Few Clouds

79°F

26°C

Humidity 89%
Wind Speed S 16 G 23 mph
Barometer 29.66 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 21 Jun 1:35 am CDT
Extended Forecast for

4 Miles ESE Fort Atkinson IA

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

  • Overnight

    Overnight: Partly cloudy, with a low around 76. Breezy, with a south wind around 16 mph, with gusts as high as 30 mph.

    Low: 76 °F

    Partly Cloudy
    and Breezy

  • Saturday

    Saturday: Sunny, with a high near 93. Heat index values as high as 103. Breezy, with a south wind 18 to 23 mph, with gusts as high as 36 mph.

    High: 93 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 76. Breezy, with a southwest wind 15 to 18 mph, with gusts as high as 30 mph.

    Low: 76 °F

    Mostly Clear
    and Breezy

  • Sunday

    Sunday: Sunny, with a high near 93. Heat index values as high as 101. Breezy, with a south wind 16 to 22 mph, with gusts as high as 33 mph.

    High: 93 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 74. Breezy, with a south wind 17 to 20 mph, with gusts as high as 29 mph.

    Low: 74 °F

    Breezy.
    Mostly Clear
    then Slight
    Chance
    T-storms

  • Monday

    Monday: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 90. Breezy, with a southwest wind 14 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Slight Chance
    T-storms and
    Breezy then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 64. Northwest wind 6 to 9 mph becoming north after midnight. Chance of precipitation is 80%.

    Low: 64 °F

    Showers

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm. High near 77. Northeast wind around 7 mph becoming east in the afternoon. Chance of precipitation is 80%.

    High: 77 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm. Low around 66. Northeast wind around 6 mph. Chance of precipitation is 90%.

    Low: 66 °F

    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 76. Breezy, with a south wind around 16 mph, with gusts as high as 30 mph.
Saturday
Sunny, with a high near 93. Heat index values as high as 103. Breezy, with a south wind 18 to 23 mph, with gusts as high as 36 mph.
Saturday Night
Mostly clear, with a low around 76. Breezy, with a southwest wind 15 to 18 mph, with gusts as high as 30 mph.
Sunday
Sunny, with a high near 93. Heat index values as high as 101. Breezy, with a south wind 16 to 22 mph, with gusts as high as 33 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 74. Breezy, with a south wind 17 to 20 mph, with gusts as high as 29 mph.
Monday
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 90. Breezy, with a southwest wind 14 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers and possibly a thunderstorm. Low around 64. Northwest wind 6 to 9 mph becoming north after midnight. Chance of precipitation is 80%.
Tuesday
Showers and possibly a thunderstorm. High near 77. Northeast wind around 7 mph becoming east in the afternoon. Chance of precipitation is 80%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 66. Northeast wind around 6 mph. Chance of precipitation is 90%.
Wednesday
Showers and possibly a thunderstorm. High near 83. Southeast wind 7 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 80%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 66. South wind around 8 mph. Chance of precipitation is 80%.
Thursday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 81. Southwest wind around 10 mph. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. South wind 6 to 8 mph. Chance of precipitation is 60%.
Friday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80. Southwest wind around 8 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Fort Atkinson IA
 43.13°N 91.86°W
Last Update:
10:43 pm CDT Jun 20, 2025
Forecast Valid:
2am CDT Jun 21, 2025-6pm CDT Jun 27, 2025
 
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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