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.

A Few Clouds

57°F

14°C

Humidity 72%
Wind Speed SW 3 mph
Barometer 30.10 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 3 Oct 11:35 pm CDT
Extended Forecast for

Calmar IA

  • Tonight

    Tonight: Mostly clear, with a low around 50. Southwest wind 5 to 7 mph becoming west after midnight.

    Low: 50 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 64. Northwest wind 8 to 11 mph, with gusts as high as 20 mph.

    High: 64 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 43. Calm wind.

    Low: 43 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 64. Calm wind becoming south around 5 mph in the afternoon.

    High: 64 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 49. Calm wind becoming south 5 to 8 mph in the evening.

    Low: 49 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 68. Breezy, with a south wind 10 to 17 mph.

    High: 68 °F

    Sunny then
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 54. Southwest wind 5 to 8 mph becoming west after midnight.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 69. Northwest wind 3 to 8 mph.

    High: 69 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 48. Light northwest wind.

    Low: 48 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 50. Southwest wind 5 to 7 mph becoming west after midnight.
Sunday
Sunny, with a high near 64. Northwest wind 8 to 11 mph, with gusts as high as 20 mph.
Sunday Night
Clear, with a low around 43. Calm wind.
Monday
Sunny, with a high near 64. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
Clear, with a low around 49. Calm wind becoming south 5 to 8 mph in the evening.
Tuesday
Sunny, with a high near 68. Breezy, with a south wind 10 to 17 mph.
Tuesday Night
Mostly clear, with a low around 54. Southwest wind 5 to 8 mph becoming west after midnight.
Wednesday
Sunny, with a high near 69. Northwest wind 3 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 48. Light northwest wind.
Thursday
Mostly sunny, with a high near 67. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 50. Light southwest wind.
Friday
Mostly sunny, with a high near 67. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 54. Light southeast wind becoming south 5 to 9 mph in the evening. Winds could gust as high as 18 mph.
Saturday
Sunny, with a high near 72. Breezy, with a south wind 11 to 20 mph, with gusts as high as 28 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Calmar IA
 43.17°N 91.86°W
Last Update:
10:51 pm CDT Oct 3, 2026
Forecast Valid:
11pm CDT Oct 3, 2026-6pm CDT Oct 10, 2026
 
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Additional Resources

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Chance of Precipitation