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

63°F

17°C

Humidity 34%
Wind Speed SE 8 G 17 mph
Barometer 29.91 in
Dewpoint 34°F (1°C)
Visibility 9.00 mi
Last update 4 Nov 2:55 pm CST
Extended Forecast for

Calmar IA

  • Tonight

    Tonight: Mostly clear, with a low around 42. Breezy, with a southeast wind 6 to 16 mph becoming northwest after midnight. Winds could gust as high as 28 mph.

    Low: 42 °F

    Mostly Clear
    then Mostly
    Clear and
    Breezy

  • Wednesday

    Wednesday: Sunny, with a high near 53. Breezy, with a northwest wind 15 to 20 mph decreasing to 8 to 13 mph in the afternoon. Winds could gust as high as 33 mph.

    High: 53 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 32. West wind around 6 mph becoming calm in the evening.

    Low: 32 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 52. Breezy, with a south wind 5 to 10 mph increasing to 13 to 18 mph in the afternoon.

    High: 52 °F

    Partly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Thursday Night

    Thursday Night: A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 43. South wind 10 to 14 mph becoming west after midnight. Winds could gust as high as 22 mph.

    Low: 43 °F

    Chance Rain
    then Mostly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 56. Northwest wind 10 to 15 mph.

    High: 56 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 31. Northwest wind 5 to 9 mph becoming light and variable.

    Low: 31 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of rain before noon, then rain likely, possibly mixed with snow. Mostly cloudy, with a high near 42. East wind 5 to 8 mph. Chance of precipitation is 60%.

    High: 42 °F

    Chance Rain
    then
    Rain/Snow
    Likely

  • Saturday Night

    Saturday Night: A chance of rain and snow before midnight. Mostly cloudy, with a low around 22. North wind 8 to 13 mph. Chance of precipitation is 40%.

    Low: 22 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 42. Breezy, with a southeast wind 6 to 16 mph becoming northwest after midnight. Winds could gust as high as 28 mph.
Wednesday
Sunny, with a high near 53. Breezy, with a northwest wind 15 to 20 mph decreasing to 8 to 13 mph in the afternoon. Winds could gust as high as 33 mph.
Wednesday Night
Partly cloudy, with a low around 32. West wind around 6 mph becoming calm in the evening.
Thursday
Mostly cloudy, with a high near 52. Breezy, with a south wind 5 to 10 mph increasing to 13 to 18 mph in the afternoon.
Thursday Night
A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 43. South wind 10 to 14 mph becoming west after midnight. Winds could gust as high as 22 mph.
Friday
Mostly sunny, with a high near 56. Northwest wind 10 to 15 mph.
Friday Night
Mostly cloudy, with a low around 31. Northwest wind 5 to 9 mph becoming light and variable.
Saturday
A chance of rain before noon, then rain likely, possibly mixed with snow. Mostly cloudy, with a high near 42. East wind 5 to 8 mph. Chance of precipitation is 60%.
Saturday Night
A chance of rain and snow before midnight. Mostly cloudy, with a low around 22. North wind 8 to 13 mph. Chance of precipitation is 40%.
Sunday
Mostly sunny, with a high near 33. Northwest wind 11 to 15 mph.
Sunday Night
Mostly clear, with a low around 19. Northwest wind 8 to 10 mph.
Monday
Sunny, with a high near 34. Northwest wind 7 to 10 mph.
Monday Night
Mostly cloudy, with a low around 21. Southwest wind 7 to 10 mph.
Veterans Day
Partly sunny, with a high near 43. Southwest wind 10 to 13 mph, with gusts as high as 21 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Calmar IA
 43.17°N 91.86°W
Last Update:
1:51 pm CST Nov 4, 2025
Forecast Valid:
3pm CST Nov 4, 2025-6pm CST Nov 11, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation