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.

Overcast

61°F

16°C

Humidity 77%
Wind Speed N 7 mph
Barometer 29.95 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 13 Oct 9:35 pm CDT
Extended Forecast for

Decorah IA

  • Tonight

    Tonight: A 20 percent chance of showers before 10pm. Mostly cloudy, with a low around 48. North wind 3 to 5 mph.

    Low: 48 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 64. North wind 5 to 7 mph.

    High: 64 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 48. Light east wind.

    Low: 48 °F

    Mostly Cloudy

  • Thursday

    Thursday: Showers, mainly after 7am. High near 59. Light and variable wind becoming east 5 to 10 mph in the morning. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 59 °F

    Showers
    Likely then
    Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 42. Breezy, with a northwest wind 11 to 20 mph.

    Low: 42 °F

    Slight Chance
    Showers and
    Breezy

  • Friday

    Friday: Mostly sunny, with a high near 54. Breezy, with a north wind 17 to 23 mph, with gusts as high as 34 mph.

    High: 54 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Widespread frost, mainly after 4am. Otherwise, clear, with a low around 32. Northwest wind around 5 mph becoming calm in the evening.

    Low: 32 °F

    Clear then
    Frost

  • Saturday

    Saturday: Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 59. Light southwest wind increasing to 10 to 15 mph in the morning.

    High: 59 °F

    Frost then
    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 42. Southwest wind 10 to 13 mph, with gusts as high as 22 mph.

    Low: 42 °F

    Clear

Detailed Forecast

Tonight
A 20 percent chance of showers before 10pm. Mostly cloudy, with a low around 48. North wind 3 to 5 mph.
Wednesday
Partly sunny, with a high near 64. North wind 5 to 7 mph.
Wednesday Night
Mostly cloudy, with a low around 48. Light east wind.
Thursday
Showers, mainly after 7am. High near 59. Light and variable wind becoming east 5 to 10 mph in the morning. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 42. Breezy, with a northwest wind 11 to 20 mph.
Friday
Mostly sunny, with a high near 54. Breezy, with a north wind 17 to 23 mph, with gusts as high as 34 mph.
Friday Night
Widespread frost, mainly after 4am. Otherwise, clear, with a low around 32. Northwest wind around 5 mph becoming calm in the evening.
Saturday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 59. Light southwest wind increasing to 10 to 15 mph in the morning.
Saturday Night
Clear, with a low around 42. Southwest wind 10 to 13 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 64. Breezy, with a south wind 11 to 16 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 47. South wind 5 to 9 mph becoming calm after midnight. Winds could gust as high as 20 mph.
Monday
Mostly sunny, with a high near 66. Calm wind.
Monday Night
Partly cloudy, with a low around 46. Calm wind.
Tuesday
Mostly sunny, with a high near 69. Calm wind becoming south 5 to 8 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Decorah IA
 43.32°N 91.79°W
Last Update:
7:36 pm CDT Oct 13, 2026
Forecast Valid:
9pm CDT Oct 13, 2026-6pm CDT Oct 20, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation