National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Decorah (KDEH)

Lat: 43.28°NLon: 91.73°WElev: 1158ft.

Light Rain

55°F

13°C

Humidity 100%
Wind Speed S 9 G 15 mph
Barometer 29.52 in
Dewpoint 55°F (13°C)
Visibility 6.00 mi
Wind Chill53°F (12°C)
Last update 17 Jun 5:55 am CDT
Extended Forecast for

Calmar IA

  • Today

    Today: Showers and thunderstorms, mainly before 3pm, then showers likely and possibly a thunderstorm after 4pm. High near 71. Breezy, with a southeast wind 10 to 17 mph becoming west in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 71 °F

    Showers and
    Breezy then
    Showers
    Likely

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, with a low around 54. Breezy, with a west wind 10 to 18 mph, with gusts as high as 31 mph.

    Low: 54 °F

    Chance
    T-storms and
    Breezy then
    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of showers between 3pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly cloudy through mid morning, then gradual clearing, with a high near 71. Northwest wind 11 to 14 mph. Chance of precipitation is 20%.

    High: 71 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 51. Northwest wind 5 to 10 mph becoming light after midnight.

    Low: 51 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 75. West wind 5 to 9 mph.

    High: 75 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 55. West wind 3 to 6 mph.

    Low: 55 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 77. West wind 3 to 5 mph.

    High: 77 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 59. Light and variable wind becoming east 5 to 8 mph after midnight.

    Low: 59 °F

    Partly Cloudy
    then Chance
    T-storms

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 72. East wind 10 to 14 mph. Chance of precipitation is 60%.

    High: 72 °F

    Showers
    Likely

Detailed Forecast

Today
Showers and thunderstorms, mainly before 3pm, then showers likely and possibly a thunderstorm after 4pm. High near 71. Breezy, with a southeast wind 10 to 17 mph becoming west in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, with a low around 54. Breezy, with a west wind 10 to 18 mph, with gusts as high as 31 mph.
Thursday
A slight chance of showers between 3pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly cloudy through mid morning, then gradual clearing, with a high near 71. Northwest wind 11 to 14 mph. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 51. Northwest wind 5 to 10 mph becoming light after midnight.
Juneteenth
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 75. West wind 5 to 9 mph.
Friday Night
Mostly clear, with a low around 55. West wind 3 to 6 mph.
Saturday
Mostly sunny, with a high near 77. West wind 3 to 5 mph.
Saturday Night
A 50 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 59. Light and variable wind becoming east 5 to 8 mph after midnight.
Sunday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 72. East wind 10 to 14 mph. Chance of precipitation is 60%.
Sunday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 55. Northeast wind 8 to 14 mph. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 74. Northeast wind around 9 mph.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 55. East wind around 6 mph becoming calm in the evening.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 76. Calm wind becoming west around 6 mph in the afternoon.
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 91.89°W
Last Update:
5:11 am CDT Jun 17, 2026
Forecast Valid:
6am CDT Jun 17, 2026-6pm CDT Jun 23, 2026
 
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