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

N/A

Humidity NA
Wind Speed S 5 mph
Barometer 29.99 in
Dewpoint N/A
Visibility 10.00 mi
Last update 29 Jul 7:15 am CDT
Extended Forecast for

Decorah IA

  • Today

    Today: Patchy smoke after 2pm. Sunny, with a high near 86. Light and variable wind.

    High: 86 °F

    Sunny then
    Patchy Smoke

  • Tonight

    Tonight: Patchy smoke. Partly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Patchy Smoke

  • Thursday

    Thursday: Partly sunny, with a high near 85. Calm wind becoming south 5 to 8 mph in the morning.

    High: 85 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm, mainly after 4am. Increasing clouds, with a low around 65. South wind 5 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Mostly Cloudy
    then Showers
    Likely

  • Friday

    Friday: Showers and possibly a thunderstorm. High near 76. Southeast wind 9 to 11 mph becoming east in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    High: 76 °F

    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. North wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 60 °F

    Showers
    Likely

  • Saturday

    Saturday: A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 81. North wind 8 to 13 mph.

    High: 81 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 61. North wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 82. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 82 °F

    Sunny

Detailed Forecast

Today
Patchy smoke after 2pm. Sunny, with a high near 86. Light and variable wind.
Tonight
Patchy smoke. Partly cloudy, with a low around 66. Calm wind.
Thursday
Partly sunny, with a high near 85. Calm wind becoming south 5 to 8 mph in the morning.
Thursday Night
Showers likely and possibly a thunderstorm, mainly after 4am. Increasing clouds, with a low around 65. South wind 5 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Showers and possibly a thunderstorm. High near 76. Southeast wind 9 to 11 mph becoming east in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 60. North wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 81. North wind 8 to 13 mph.
Saturday Night
Mostly clear, with a low around 61. North wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 82. Calm wind becoming northeast around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 61. Calm wind.
Monday
Sunny, with a high near 84. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 64. Light and variable wind.
Tuesday
Mostly sunny, with a high near 85. Calm wind becoming northwest around 5 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Decorah IA
 43.3°N 91.79°W
Last Update:
5:16 am CDT Jul 29, 2026
Forecast Valid:
7am CDT Jul 29, 2026-6pm CDT Aug 4, 2026
 
Forecast Discussion
 
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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