


Hazardous Weather Conditions
Current conditions at
Decorah (KDEH)
Lat: 43.28°NLon: 91.73°WElev: 1158ft.
Mostly Cloudy
72°F
22°C
Humidity | 83% |
Wind Speed | SE 5 mph |
Barometer | 30.00 in |
Dewpoint | 66°F (19°C) |
Visibility | 10.00 mi |
Last update | 17 Aug 4:55 am CDT |
Extended Forecast for
Calmar IA
Overnight
Low: 70 °F
Chance
T-stormsSunday
High: 84 °F
Chance
T-storms then
Slight Chance
T-stormsSunday Night
Low: 69 °F
Slight Chance
T-storms then
Showers
LikelyMonday
High: 85 °F
Showers
LikelyMonday Night
Low: 67 °F
Chance
T-stormsTuesday
High: 78 °F
Mostly Sunny
Tuesday Night
Low: 60 °F
Partly Cloudy
Wednesday
High: 77 °F
Mostly Sunny
Wednesday Night
Low: 58 °F
Mostly Clear
Detailed Forecast
Overnight
A 50 percent chance of showers and thunderstorms. Cloudy, with a low around 70. East wind around 6 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers and thunderstorms before 9am, then a slight chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 84. Southeast wind 7 to 10 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 69. Southeast wind 9 to 13 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Monday
A chance of showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85. South wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 67. West wind around 6 mph.
Tuesday
Mostly sunny, with a high near 78. North wind 6 to 9 mph.
Tuesday Night
Partly cloudy, with a low around 60. North wind around 7 mph.
Wednesday
Mostly sunny, with a high near 77. Northeast wind around 6 mph.
Wednesday Night
Mostly clear, with a low around 58. Northeast wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 78. Light and variable wind.
Thursday Night
Mostly clear, with a low around 59. Light southeast wind.
Friday
Mostly sunny, with a high near 79. West wind 3 to 6 mph.
Friday Night
Partly cloudy, with a low around 59. Northwest wind around 5 mph.
Saturday
Sunny, with a high near 74. Northwest wind 6 to 8 mph.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Calmar IA
43.17°N 91.86°W
43.17°N 91.86°W
4:29 am CDT Aug 17, 2025
5am CDT Aug 17, 2025-6pm CDT Aug 23, 2025