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

66°F

19°C

Humidity 52%
Wind Speed S 7 mph
Barometer 30.20 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 21 Oct 11:35 am CDT
Extended Forecast for

Calmar IA

  • Today

    Today: Sunny, with a high near 71. Southwest wind 3 to 5 mph.

    High: 71 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 48. Light and variable wind.

    Low: 48 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 73. Light south wind.

    High: 73 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 50. Calm wind becoming southeast around 5 mph in the evening.

    Low: 50 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 72. South wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 72 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 55. South wind 9 to 11 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 72. South wind 11 to 14 mph, with gusts as high as 22 mph.

    High: 72 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 53. South wind 5 to 8 mph becoming west after midnight.

    Low: 53 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 63. North wind 3 to 5 mph.

    High: 63 °F

    Mostly Cloudy

Detailed Forecast

Today
Sunny, with a high near 71. Southwest wind 3 to 5 mph.
Tonight
Mostly clear, with a low around 48. Light and variable wind.
Thursday
Sunny, with a high near 73. Light south wind.
Thursday Night
Mostly clear, with a low around 50. Calm wind becoming southeast around 5 mph in the evening.
Friday
Mostly sunny, with a high near 72. South wind 6 to 11 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 55. South wind 9 to 11 mph, with gusts as high as 20 mph.
Saturday
Partly sunny, with a high near 72. South wind 11 to 14 mph, with gusts as high as 22 mph.
Saturday Night
Mostly cloudy, with a low around 53. South wind 5 to 8 mph becoming west after midnight.
Sunday
Mostly cloudy, with a high near 63. North wind 3 to 5 mph.
Sunday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 46. Calm wind becoming north around 5 mph after midnight.
Monday
A 50 percent chance of showers. Mostly cloudy, with a high near 56. Northeast wind around 6 mph.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 41. Northeast wind 3 to 6 mph.
Tuesday
Partly sunny, with a high near 52. Northeast wind around 6 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:
11:17 am CDT Oct 21, 2026
Forecast Valid:
11am CDT Oct 21, 2026-6pm CDT Oct 27, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation