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 S 9 G 16 mph
Barometer 29.71 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 7 Jan 3:35 pm CST
Extended Forecast for

Decorah IA

  • Tonight

    Tonight: Patchy fog after midnight. Otherwise, partly cloudy, with a low around 32. South wind 3 to 6 mph.

    Low: 32 °F

    Partly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Rain, mainly after 3pm. Patchy fog before 7am. High near 42. Light and variable wind becoming northeast 5 to 7 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 42 °F

    Patchy Fog
    then Rain

  • Thursday Night

    Thursday Night: Rain before midnight, then rain and snow likely. Low around 32. Northwest wind 6 to 9 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 32 °F

    Rain then
    Rain/Snow
    Likely

  • Friday

    Friday: A slight chance of rain and snow before 9am, then a slight chance of snow between 9am and noon. Partly sunny, with a high near 37. North wind 5 to 9 mph. Chance of precipitation is 20%.

    High: 37 °F

    Slight Chance
    Rain/Snow
    then Partly
    Sunny

  • Friday Night

    Friday Night: A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 26. Calm wind becoming northwest around 5 mph after midnight.

    Low: 26 °F

    Mostly Cloudy
    then Chance
    Snow

  • Saturday

    Saturday: A 50 percent chance of snow. Mostly cloudy, with a high near 30. Northwest wind 5 to 14 mph, with gusts as high as 23 mph. New snow accumulation of less than one inch possible.

    High: 30 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 14. Northwest wind 10 to 13 mph, with gusts as high as 23 mph.

    Low: 14 °F

    Chance Snow
    then Mostly
    Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 25. Northwest wind 7 to 10 mph.

    High: 25 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 18. Southwest wind around 7 mph.

    Low: 18 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after midnight. Otherwise, partly cloudy, with a low around 32. South wind 3 to 6 mph.
Thursday
Rain, mainly after 3pm. Patchy fog before 7am. High near 42. Light and variable wind becoming northeast 5 to 7 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain before midnight, then rain and snow likely. Low around 32. Northwest wind 6 to 9 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Friday
A slight chance of rain and snow before 9am, then a slight chance of snow between 9am and noon. Partly sunny, with a high near 37. North wind 5 to 9 mph. Chance of precipitation is 20%.
Friday Night
A 30 percent chance of snow after midnight. Mostly cloudy, with a low around 26. Calm wind becoming northwest around 5 mph after midnight.
Saturday
A 50 percent chance of snow. Mostly cloudy, with a high near 30. Northwest wind 5 to 14 mph, with gusts as high as 23 mph. New snow accumulation of less than one inch possible.
Saturday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 14. Northwest wind 10 to 13 mph, with gusts as high as 23 mph.
Sunday
Mostly sunny, with a high near 25. Northwest wind 7 to 10 mph.
Sunday Night
Partly cloudy, with a low around 18. Southwest wind around 7 mph.
Monday
Mostly sunny, with a high near 38. West wind 7 to 9 mph.
Monday Night
Mostly cloudy, with a low around 29. West wind around 6 mph.
Tuesday
Mostly cloudy, with a high near 38. West wind 5 to 8 mph.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 27. Northwest wind around 7 mph. Chance of precipitation is 30%.
Wednesday
Mostly cloudy, with a high near 32. Northwest wind 7 to 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Decorah IA
 43.3°N 91.79°W
Last Update:
3:16 pm CST Jan 7, 2026
Forecast Valid:
3pm CST Jan 7, 2026-6pm CST Jan 14, 2026
 
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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