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

59°F

15°C

Humidity 51%
Wind Speed NW 5 mph
Barometer 29.64 in
Dewpoint 41°F (5°C)
Visibility 9.00 mi
Last update 9 Mar 12:15 pm CDT
Extended Forecast for

Calmar IA

  • This Afternoon

    This Afternoon: Sunny, with a high near 64. West wind around 7 mph becoming north.

    High: 64 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 36. North wind around 7 mph.

    Low: 36 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 53. East wind 11 to 14 mph.

    High: 53 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of rain showers before 4am, then a chance of rain and snow showers. Mostly cloudy, with a low around 31. North wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 31 °F

    Chance
    Showers then
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: A chance of rain and snow showers before 10am, then a chance of snow showers between 10am and 1pm. Mostly cloudy, with a high near 41. Breezy, with a north wind 15 to 18 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Breezy.
    Chance
    Rain/Snow
    then Chance
    Snow Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 24. West wind 6 to 10 mph.

    Low: 24 °F

    Mostly Clear

  • Thursday

    Thursday: A slight chance of rain and snow showers after 1pm. Partly sunny, with a high near 46. Breezy, with a west wind 6 to 16 mph becoming south in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 20%.

    High: 46 °F

    Partly Sunny
    then Slight
    Chance
    Rain/Snow and
    Breezy

  • Thursday Night

    Thursday Night: Rain showers likely before 1am, then a chance of rain and snow showers. Mostly cloudy, with a low around 31. Breezy, with a south wind 15 to 18 mph becoming west after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 60%.

    Low: 31 °F

    Breezy.
    Showers
    Likely then
    Rain/Snow
    Likely

  • Friday

    Friday: Partly sunny, with a high near 42. Breezy, with a northwest wind 13 to 20 mph.

    High: 42 °F

    Partly Sunny
    and Breezy

Detailed Forecast

This Afternoon
Sunny, with a high near 64. West wind around 7 mph becoming north.
Tonight
Mostly clear, with a low around 36. North wind around 7 mph.
Tuesday
Mostly sunny, with a high near 53. East wind 11 to 14 mph.
Tuesday Night
A chance of rain showers before 4am, then a chance of rain and snow showers. Mostly cloudy, with a low around 31. North wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Wednesday
A chance of rain and snow showers before 10am, then a chance of snow showers between 10am and 1pm. Mostly cloudy, with a high near 41. Breezy, with a north wind 15 to 18 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Wednesday Night
Mostly clear, with a low around 24. West wind 6 to 10 mph.
Thursday
A slight chance of rain and snow showers after 1pm. Partly sunny, with a high near 46. Breezy, with a west wind 6 to 16 mph becoming south in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 20%.
Thursday Night
Rain showers likely before 1am, then a chance of rain and snow showers. Mostly cloudy, with a low around 31. Breezy, with a south wind 15 to 18 mph becoming west after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 60%.
Friday
Partly sunny, with a high near 42. Breezy, with a northwest wind 13 to 20 mph.
Friday Night
A 30 percent chance of snow showers after 1am. Mostly cloudy, with a low around 27. Northwest wind around 7 mph becoming east after midnight.
Saturday
A slight chance of rain and snow showers. Cloudy, with a high near 42. East wind 9 to 11 mph. Chance of precipitation is 20%.
Saturday Night
Rain and snow showers likely. Cloudy, with a low around 29. East wind 10 to 15 mph. Chance of precipitation is 70%.
Sunday
Snow showers likely. Mostly cloudy, with a high near 39. Breezy, with a north wind 17 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Calmar IA
 43.17°N 91.86°W
Last Update:
12:16 pm CDT Mar 9, 2026
Forecast Valid:
12pm CDT Mar 9, 2026-6pm CDT Mar 15, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation