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.

Partly Cloudy

52°F

11°C

Humidity 41%
Wind Speed NW 16 G 31 mph
Barometer 29.66 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 4 May 10:15 pm CDT
Extended Forecast for

Calmar IA

  • Tonight

    Tonight: Mostly cloudy, with a low around 39. North wind 6 to 14 mph, with gusts as high as 26 mph.

    Low: 39 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 55. Northwest wind 6 to 14 mph.

    High: 55 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 33. North wind 6 to 10 mph.

    Low: 33 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 52. Northwest wind 6 to 11 mph.

    High: 52 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Widespread frost, mainly between 3am and 5am. Otherwise, partly cloudy, with a low around 34. Northwest wind 5 to 9 mph becoming calm in the evening.

    Low: 34 °F

    Partly Cloudy
    then Frost

  • Thursday

    Thursday: A 10 percent chance of showers after 4pm. Mostly sunny, with a high near 60. West wind 5 to 11 mph.

    High: 60 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: A 10 percent chance of showers before 7pm. Mostly cloudy, with a low around 39. Southwest wind around 6 mph.

    Low: 39 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 63. Northwest wind 6 to 10 mph.

    High: 63 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 40. Northwest wind 6 to 8 mph.

    Low: 40 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 39. North wind 6 to 14 mph, with gusts as high as 26 mph.
Tuesday
Mostly sunny, with a high near 55. Northwest wind 6 to 14 mph.
Tuesday Night
Partly cloudy, with a low around 33. North wind 6 to 10 mph.
Wednesday
Mostly sunny, with a high near 52. Northwest wind 6 to 11 mph.
Wednesday Night
Widespread frost, mainly between 3am and 5am. Otherwise, partly cloudy, with a low around 34. Northwest wind 5 to 9 mph becoming calm in the evening.
Thursday
A 10 percent chance of showers after 4pm. Mostly sunny, with a high near 60. West wind 5 to 11 mph.
Thursday Night
A 10 percent chance of showers before 7pm. Mostly cloudy, with a low around 39. Southwest wind around 6 mph.
Friday
Mostly sunny, with a high near 63. Northwest wind 6 to 10 mph.
Friday Night
Partly cloudy, with a low around 40. Northwest wind 6 to 8 mph.
Saturday
Sunny, with a high near 68. West wind 6 to 10 mph.
Saturday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 44. Northwest wind 6 to 8 mph.
Sunday
A 20 percent chance of showers. Partly sunny, with a high near 64. North wind 7 to 10 mph.
Sunday Night
Partly cloudy, with a low around 42. North wind 6 to 9 mph.
Monday
Mostly sunny, with a high near 65. Northwest wind 6 to 9 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Calmar IA
 43.17°N 91.86°W
Last Update:
9:27 pm CDT May 4, 2026
Forecast Valid:
10pm CDT May 4, 2026-6pm CDT May 11, 2026
 
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Additional Resources

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Chance of Precipitation