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.

Partly Cloudy

75°F

24°C

Humidity 74%
Wind Speed Calm
Barometer 30.03 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 14 Aug 2:55 pm CDT
Extended Forecast for

7 Miles WSW Lansing IA

  • Tonight

    Tonight: Mostly cloudy, with a low around 66. Southeast wind around 6 mph.

    Low: 66 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 89. Heat index values as high as 96. South wind 5 to 8 mph.

    High: 89 °F

    Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72. South wind around 6 mph.

    Low: 72 °F

    Partly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms, mainly before 7am. Mostly sunny, with a high near 91. Heat index values as high as 101. South wind 5 to 8 mph.

    High: 91 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70. South wind around 6 mph becoming light and variable after midnight. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 86. Southeast wind 3 to 7 mph.

    High: 86 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67. East wind around 6 mph.

    Low: 67 °F

    Chance
    T-storms

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 84. South wind around 6 mph.

    High: 84 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Southeast wind around 6 mph.

    Low: 67 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Mostly cloudy, with a low around 66. Southeast wind around 6 mph.
Friday
Sunny, with a high near 89. Heat index values as high as 96. South wind 5 to 8 mph.
Friday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72. South wind around 6 mph.
Saturday
A 30 percent chance of showers and thunderstorms, mainly before 7am. Mostly sunny, with a high near 91. Heat index values as high as 101. South wind 5 to 8 mph.
Saturday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70. South wind around 6 mph becoming light and variable after midnight. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 86. Southeast wind 3 to 7 mph.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67. East wind around 6 mph.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 84. South wind around 6 mph.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Southeast wind around 6 mph.
Tuesday
A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 82. Southwest wind around 6 mph becoming northwest in the afternoon. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 65. North wind 3 to 6 mph.
Wednesday
Mostly sunny, with a high near 80. Northeast wind 3 to 6 mph.
Wednesday Night
Mostly clear, with a low around 61. Light northeast wind.
Thursday
Sunny, with a high near 81. Light east wind.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles WSW Lansing IA
 43.34°N 91.34°W
Last Update:
1:59 pm CDT Aug 14, 2025
Forecast Valid:
3pm CDT Aug 14, 2025-6pm CDT Aug 21, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation