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

63°F

17°C

Humidity 39%
Wind Speed SW 13 G 21 mph
Barometer 29.93 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 9 Nov 2:55 pm CST
Extended Forecast for

Calmar IA

  • Tonight

    Tonight: Mostly clear, with a low around 37. West wind around 6 mph becoming northwest after midnight.

    Low: 37 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 58. Light and variable wind.

    High: 58 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Mostly Cloudy

  • Veterans Day

    Veterans Day: A 20 percent chance of showers before noon. Partly sunny, with a high near 50. Light and variable wind becoming north 5 to 10 mph in the morning.

    High: 50 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 32. North wind around 9 mph.

    Low: 32 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 40. North wind 8 to 13 mph.

    High: 40 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 26. North wind 5 to 8 mph.

    Low: 26 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 41. North wind around 6 mph becoming calm in the afternoon.

    High: 41 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 25. Calm wind.

    Low: 25 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 37. West wind around 6 mph becoming northwest after midnight.
Tuesday
Increasing clouds, with a high near 58. Light and variable wind.
Tuesday Night
Mostly cloudy, with a low around 40. Calm wind.
Veterans Day
A 20 percent chance of showers before noon. Partly sunny, with a high near 50. Light and variable wind becoming north 5 to 10 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 32. North wind around 9 mph.
Thursday
Partly sunny, with a high near 40. North wind 8 to 13 mph.
Thursday Night
Partly cloudy, with a low around 26. North wind 5 to 8 mph.
Friday
Mostly sunny, with a high near 41. North wind around 6 mph becoming calm in the afternoon.
Friday Night
Mostly clear, with a low around 25. Calm wind.
Saturday
Sunny, with a high near 44. Light and variable wind.
Saturday Night
Mostly clear, with a low around 31. Calm wind becoming south around 5 mph after midnight.
Sunday
Mostly sunny, with a high near 49. Southeast wind 5 to 8 mph.
Sunday Night
Partly cloudy, with a low around 38. South wind around 5 mph.
Monday
Mostly sunny, with a high near 54. Southeast wind 5 to 8 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Calmar IA
 43.19°N 91.88°W
Last Update:
12:26 pm CST Nov 9, 2026
Forecast Valid:
3pm CST Nov 9, 2026-6pm CST Nov 16, 2026
 
Forecast Discussion
 
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Additional Resources

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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