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

41°F

5°C

Humidity 100%
Wind Speed Calm
Barometer 30.28 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 5 Oct 6:55 am CDT
Extended Forecast for

Decorah IA

  • Today

    Today: Patchy fog before 10am. Otherwise, sunny, with a high near 69. Calm wind becoming south around 6 mph in the afternoon.

    High: 69 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 50. South wind 3 to 8 mph.

    Low: 50 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 75. Breezy, with a south wind 10 to 16 mph, with gusts as high as 26 mph.

    High: 75 °F

    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 51. Southwest wind 5 to 7 mph becoming calm in the evening.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 73. Calm wind becoming northwest 5 to 9 mph in the afternoon.

    High: 73 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 46. Light northwest wind.

    Low: 46 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 69. Calm wind becoming west around 5 mph in the afternoon.

    High: 69 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 67. Calm wind becoming south around 5 mph in the afternoon.

    High: 67 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy fog before 10am. Otherwise, sunny, with a high near 69. Calm wind becoming south around 6 mph in the afternoon.
Tonight
Mostly clear, with a low around 50. South wind 3 to 8 mph.
Tuesday
Sunny, with a high near 75. Breezy, with a south wind 10 to 16 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly clear, with a low around 51. Southwest wind 5 to 7 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 73. Calm wind becoming northwest 5 to 9 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 46. Light northwest wind.
Thursday
Mostly sunny, with a high near 69. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 47. Calm wind.
Friday
Mostly sunny, with a high near 67. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 50. Light southeast wind.
Saturday
Mostly sunny, with a high near 72. South wind 5 to 15 mph, with gusts as high as 24 mph.
Saturday Night
Mostly clear, with a low around 58. South wind 9 to 14 mph, with gusts as high as 24 mph.
Sunday
Sunny, with a high near 74. South wind 9 to 11 mph, with gusts as high as 21 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Decorah IA
 43.3°N 91.79°W
Last Update:
6:26 am CDT Oct 5, 2026
Forecast Valid:
7am CDT Oct 5, 2026-6pm CDT Oct 11, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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