Hazardous Weather Conditions
Current conditions at
Decorah (KDEH)
Lat: 43.28°NLon: 91.73°WElev: 1158ft.
Overcast
16°F
-9°C
| Humidity | 73% |
| Wind Speed | NW 14 G 24 mph |
| Barometer | 29.97 in |
| Dewpoint | 9°F (-13°C) |
| Visibility | 10.00 mi |
| Wind Chill | 2°F (-17°C) |
| Last update | 16 Mar 7:15 pm CDT |
Extended Forecast for
Calmar IA
Tonight
Low: 0 °F
Mostly Cloudy
and Blustery
then Partly
CloudyTuesday
High: 21 °F
Sunny then
Slight Chance
SnowTuesday Night
Low: 17 °F⇑
Snow then
Wintry MixWednesday
High: 40 °F
Mostly Sunny
Wednesday Night
Low: 31 °F
Mostly Cloudy
Thursday
High: 48 °F
Mostly Sunny
Thursday Night
Low: 37 °F
Mostly Cloudy
Friday
High: 54 °F
Partly Sunny
Friday Night
Low: 36 °F
Mostly Cloudy
Detailed Forecast
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 0. Wind chill values as low as -12. Blustery, with a northwest wind 9 to 17 mph, with gusts as high as 29 mph.
Tuesday
A 10 percent chance of snow after 5pm. Increasing clouds, with a high near 21. Wind chill values as low as -12. Northwest wind 5 to 11 mph becoming south in the afternoon.
Tuesday Night
Snow and freezing rain before 3am, then a slight chance of snow between 3am and 4am. Temperature falling to near 17 by 10pm, then rising to around 23 during the remainder of the night. South wind 11 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. Little or no ice accumulation expected. New snow accumulation of 1 to 3 inches possible.
Wednesday
Mostly sunny, with a high near 40. South wind 6 to 9 mph becoming west in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 31. South wind around 6 mph.
Thursday
Mostly sunny, with a high near 48. West wind 5 to 7 mph becoming north in the morning.
Thursday Night
Mostly cloudy, with a low around 37. West wind 5 to 8 mph becoming south in the evening.
Friday
Partly sunny, with a high near 54. West wind 9 to 11 mph.
Friday Night
Mostly cloudy, with a low around 36. North wind around 9 mph becoming south in the evening.
Saturday
Mostly sunny, with a high near 58. Southwest wind 9 to 13 mph.
Saturday Night
Partly cloudy, with a low around 36. West wind 11 to 14 mph becoming north after midnight.
Sunday
Partly sunny, with a high near 50. North wind around 15 mph.
Sunday Night
Mostly cloudy, with a low around 26. North wind 10 to 13 mph.
Monday
Partly sunny, with a high near 42. Northeast wind 10 to 13 mph becoming southeast in the afternoon.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Calmar IA
43.17°N 91.86°W
43.17°N 91.86°W
6:06 pm CDT Mar 16, 2026
7pm CDT Mar 16, 2026-6pm CDT Mar 23, 2026
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