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

72°F

22°C

Humidity 41%
Wind Speed S 12 G 24 mph
Barometer 29.89 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 6 Oct 11:55 am CDT
Extended Forecast for

Calmar IA

  • This Afternoon

    This Afternoon: Sunny, with a high near 75. Breezy, with a southwest wind 11 to 17 mph, with gusts as high as 26 mph.

    High: 75 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 54. Southwest wind 5 to 7 mph becoming north after midnight.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 71. West wind 3 to 8 mph.

    High: 71 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 50. West wind around 6 mph.

    Low: 50 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 66. Northwest wind 3 to 5 mph.

    High: 66 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 50. Calm wind.

    Low: 50 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm. Mostly sunny, with a high near 69. Light south wind increasing to 6 to 11 mph in the morning. Chance of precipitation is 20%.

    High: 69 °F

    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 54. South wind 5 to 11 mph, with gusts as high as 21 mph.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 75. Breezy, with a south wind 14 to 23 mph.

    High: 75 °F

    Sunny and
    Breezy

Detailed Forecast

This Afternoon
Sunny, with a high near 75. Breezy, with a southwest wind 11 to 17 mph, with gusts as high as 26 mph.
Tonight
Mostly clear, with a low around 54. Southwest wind 5 to 7 mph becoming north after midnight.
Wednesday
Sunny, with a high near 71. West wind 3 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 50. West wind around 6 mph.
Thursday
Mostly sunny, with a high near 66. Northwest wind 3 to 5 mph.
Thursday Night
Partly cloudy, with a low around 50. Calm wind.
Friday
A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm. Mostly sunny, with a high near 69. Light south wind increasing to 6 to 11 mph in the morning. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 54. South wind 5 to 11 mph, with gusts as high as 21 mph.
Saturday
Sunny, with a high near 75. Breezy, with a south wind 14 to 23 mph.
Saturday Night
Mostly clear, with a low around 60. Breezy, with a south wind 13 to 21 mph, with gusts as high as 29 mph.
Sunday
Sunny, with a high near 75. South wind 11 to 15 mph.
Sunday Night
A 20 percent chance of showers. Partly cloudy, with a low around 56. South wind around 10 mph, with gusts as high as 18 mph.
Columbus Day
A 30 percent chance of showers. Partly sunny, with a high near 65. East wind around 11 mph becoming southeast in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Calmar IA
 43.17°N 91.86°W
Last Update:
11:17 am CDT Oct 6, 2026
Forecast Valid:
12pm CDT Oct 6, 2026-6pm CDT Oct 12, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation