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

37°F

3°C

Humidity 93%
Wind Speed S 6 mph
Barometer 29.69 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 8 Jan 3:15 am CST
Extended Forecast for

Decorah IA

  • Overnight

    Overnight: Patchy fog. Otherwise, mostly cloudy, with a low around 33. Light south wind.

    Low: 33 °F

    Patchy Fog

  • Thursday

    Thursday: Rain, mainly after 1pm. High near 43. Calm wind becoming north around 6 mph in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 43 °F

    Mostly Cloudy
    then Rain

  • Thursday Night

    Thursday Night: Rain, possibly mixed with snow before 5am, then a chance of snow. Low around 31. North wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Rain then
    Rain/Snow

  • Friday

    Friday: Mostly sunny, with a high near 37. North wind 5 to 10 mph becoming light in the afternoon. Winds could gust as high as 20 mph.

    High: 37 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 26. Light northwest wind.

    Low: 26 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday

    Saturday: A 50 percent chance of snow. Mostly cloudy, with a high near 29. Northwest wind 5 to 14 mph, with gusts as high as 22 mph. New snow accumulation of around an inch possible.

    High: 29 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 15. Northwest wind around 11 mph, with gusts as high as 22 mph.

    Low: 15 °F

    Chance Snow
    then Mostly
    Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 26. Northwest wind 7 to 10 mph.

    High: 26 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 19. Southwest wind around 7 mph.

    Low: 19 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 33. Light south wind.
Thursday
Rain, mainly after 1pm. High near 43. Calm wind becoming north around 6 mph in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain, possibly mixed with snow before 5am, then a chance of snow. Low around 31. North wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Friday
Mostly sunny, with a high near 37. North wind 5 to 10 mph becoming light in the afternoon. Winds could gust as high as 20 mph.
Friday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 26. Light northwest wind.
Saturday
A 50 percent chance of snow. Mostly cloudy, with a high near 29. Northwest wind 5 to 14 mph, with gusts as high as 22 mph. New snow accumulation of around an inch possible.
Saturday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 15. Northwest wind around 11 mph, with gusts as high as 22 mph.
Sunday
Mostly sunny, with a high near 26. Northwest wind 7 to 10 mph.
Sunday Night
Partly cloudy, with a low around 19. Southwest wind around 7 mph.
Monday
Mostly sunny, with a high near 39. West wind 7 to 9 mph.
Monday Night
Mostly cloudy, with a low around 30. West wind around 6 mph.
Tuesday
A 20 percent chance of rain. Partly sunny, with a high near 39. West wind 6 to 8 mph.
Tuesday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 26. Northwest wind around 7 mph. Chance of precipitation is 20%.
Wednesday
A 20 percent chance of snow. Mostly cloudy, with a high near 30. North wind 7 to 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Decorah IA
 43.3°N 91.79°W
Last Update:
3:11 am CST Jan 8, 2026
Forecast Valid:
3am CST Jan 8, 2026-6pm CST Jan 14, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation