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.

Fog/Mist

46°F

8°C

Humidity 100%
Wind Speed Vrbl 5 mph
Barometer 29.60 in
Dewpoint 46°F (8°C)
Visibility 1.50 mi
Wind Chill44°F (7°C)
Last update 5 Nov 4:15 am CST
Extended Forecast for

Decorah IA

  • Overnight

    Overnight: A 50 percent chance of showers. Patchy fog. Otherwise, cloudy, with a steady temperature around 48. Southwest wind around 8 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Chance
    Showers and
    Patchy Fog

  • Thursday

    Thursday: A 30 percent chance of showers, mainly before 8am. Patchy fog before 10am. Otherwise, cloudy, with a high near 50. North wind 9 to 15 mph, with gusts as high as 23 mph.

    High: 50 °F

    Chance
    Showers and
    Patchy Fog
    then Cloudy

  • Thursday Night

    Thursday Night: Cloudy, then gradually becoming partly cloudy, with a low around 33. North wind 5 to 10 mph, with gusts as high as 18 mph.

    Low: 33 °F

    Decreasing
    Clouds

  • Friday

    Friday: Mostly sunny, with a high near 47. North wind around 5 mph becoming calm in the afternoon.

    High: 47 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 26. Calm wind.

    Low: 26 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 50. Calm wind becoming southwest around 5 mph.

    High: 50 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 35. Light west wind.

    Low: 35 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 56. Calm wind becoming west around 5 mph.

    High: 56 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 36. Light west wind.

    Low: 36 °F

    Clear

Detailed Forecast

Overnight
A 50 percent chance of showers. Patchy fog. Otherwise, cloudy, with a steady temperature around 48. Southwest wind around 8 mph. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A 30 percent chance of showers, mainly before 8am. Patchy fog before 10am. Otherwise, cloudy, with a high near 50. North wind 9 to 15 mph, with gusts as high as 23 mph.
Thursday Night
Cloudy, then gradually becoming partly cloudy, with a low around 33. North wind 5 to 10 mph, with gusts as high as 18 mph.
Friday
Mostly sunny, with a high near 47. North wind around 5 mph becoming calm in the afternoon.
Friday Night
Partly cloudy, with a low around 26. Calm wind.
Saturday
Mostly sunny, with a high near 50. Calm wind becoming southwest around 5 mph.
Saturday Night
Partly cloudy, with a low around 35. Light west wind.
Sunday
Sunny, with a high near 56. Calm wind becoming west around 5 mph.
Sunday Night
Clear, with a low around 36. Light west wind.
Monday
Sunny, with a high near 62. Light south wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 18 mph.
Monday Night
Mostly clear, with a low around 40. Southwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 58. Light northwest wind.
Tuesday Night
Partly cloudy, with a low around 37. Calm wind.
Veterans Day
Mostly sunny, with a high near 56. Light northwest wind.
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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:
4:01 am CST Nov 5, 2026
Forecast Valid:
4am CST Nov 5, 2026-6pm CST Nov 11, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation