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

36°F

2°C

Humidity 70%
Wind Speed N 10 G 17 mph
Barometer 30.12 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 12 Nov 5:35 pm CST
Extended Forecast for

Calmar IA

  • Tonight

    Tonight: Mostly cloudy, with a low around 25. North wind 7 to 9 mph, with gusts as high as 18 mph.

    Low: 25 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 39. North wind 5 to 11 mph.

    High: 39 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 22. Light north wind.

    Low: 22 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 43. Calm wind.

    High: 43 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 24. Calm wind.

    Low: 24 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 45. Calm wind.

    High: 45 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 27. Light and variable wind.

    Low: 27 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 48. South wind 3 to 8 mph.

    High: 48 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 29. South wind around 7 mph.

    Low: 29 °F

    Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 25. North wind 7 to 9 mph, with gusts as high as 18 mph.
Friday
Mostly sunny, with a high near 39. North wind 5 to 11 mph.
Friday Night
Mostly clear, with a low around 22. Light north wind.
Saturday
Sunny, with a high near 43. Calm wind.
Saturday Night
Clear, with a low around 24. Calm wind.
Sunday
Sunny, with a high near 45. Calm wind.
Sunday Night
Clear, with a low around 27. Light and variable wind.
Monday
Sunny, with a high near 48. South wind 3 to 8 mph.
Monday Night
Clear, with a low around 29. South wind around 7 mph.
Tuesday
Sunny, with a high near 52. South wind 6 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 36. South wind around 9 mph, with gusts as high as 18 mph.
Wednesday
Mostly sunny, with a high near 53. South wind 9 to 13 mph, with gusts as high as 21 mph.
Wednesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 43. South wind around 10 mph, with gusts as high as 20 mph.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 56. Southwest wind 8 to 11 mph, with gusts as high as 20 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Calmar IA
 43.17°N 91.86°W
Last Update:
3:56 pm CST Nov 12, 2026
Forecast Valid:
5pm CST Nov 12, 2026-6pm CST Nov 19, 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