Hazardous Weather Conditions
Current conditions at
Decorah (KDEH)
Lat: 43.28°NLon: 91.73°WElev: 1158ft.
Overcast
46°F
8°C
| Humidity | 93% |
| Wind Speed | N 14 G 26 mph |
| Barometer | 30.21 in |
| Dewpoint | 45°F (7°C) |
| Visibility | 10.00 mi |
| Wind Chill | 40°F (4°C) |
| Last update | 16 Oct 10:35 am CDT |
Extended Forecast for
Ossian IA
Freeze Warning October 17, 01:00am until October 17, 09:00am
Today
High: 48 °F
Breezy.
Showers
Likely then
Slight Chance
ShowersTonight

Low: 30 °F
Frost
Saturday

High: 54 °F
Frost then
SunnySaturday Night

Low: 40 °F
Clear
Sunday

High: 61 °F
Sunny and
BreezySunday Night

Low: 42 °F
Mostly Clear
Monday

High: 63 °F
Mostly Sunny
Monday Night

Low: 43 °F
Partly Cloudy
Tuesday

High: 66 °F
Mostly Sunny
Detailed Forecast
Today
Showers likely, mainly before noon. Mostly cloudy, with a high near 48. Breezy, with a north wind 17 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Widespread frost, mainly after 1am. Otherwise, mostly clear, with a low around 30. North wind 5 to 7 mph becoming calm in the evening.
Saturday
Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 54. Light southwest wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 21 mph.
Saturday Night
Clear, with a low around 40. South wind 9 to 13 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 61. Breezy, with a south wind 14 to 17 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 42. South wind 5 to 8 mph.
Monday
Mostly sunny, with a high near 63. South wind 3 to 5 mph.
Monday Night
Partly cloudy, with a low around 43. Calm wind.
Tuesday
Mostly sunny, with a high near 66. Calm wind becoming southeast around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 47. Light southeast wind.
Wednesday
Mostly sunny, with a high near 68. South wind 3 to 7 mph.
Wednesday Night
Partly cloudy, with a low around 51. South wind 3 to 5 mph.
Thursday
Mostly sunny, with a high near 70. South wind 3 to 5 mph.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Ossian IA
43.15°N 91.77°W
43.15°N 91.77°W
10:40 am CDT Oct 16, 2026
10am CDT Oct 16, 2026-6pm CDT Oct 22, 2026



