Current conditions at
Decorah (KDEH)
Lat: 43.28°NLon: 91.73°WElev: 1158ft.
Overcast
68°F
20°C
| Humidity | 83% |
| Wind Speed | SE 7 mph |
| Barometer | 30.07 in |
| Dewpoint | 63°F (17°C) |
| Visibility | 10.00 mi |
| Last update | 7 Sep 10:15 pm CDT |
Extended Forecast for
Ossian IA
Tonight
Low: 66 °F
Mostly Cloudy
then Slight
Chance
T-stormsTuesday

High: 82 °F
Chance
ShowersTuesday Night

Low: 65 °F
Showers
Wednesday
High: 79 °F
Slight Chance
T-storms then
Mostly SunnyWednesday Night

Low: 55 °F
Mostly Clear
Thursday

High: 76 °F
Sunny
Thursday Night

Low: 56 °F
Clear
Friday
High: 78 °F
Sunny then
Chance
ShowersFriday Night

Low: 61 °F
Showers
Likely
Detailed Forecast
Tonight
A 10 percent chance of showers and thunderstorms after 5am. Mostly cloudy, with a steady temperature around 66. South wind 11 to 13 mph, with gusts as high as 21 mph.
Tuesday
A chance of showers and thunderstorms before 2pm, then a chance of showers between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 82. South wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers and thunderstorms before 4am, then showers likely and possibly a thunderstorm between 4am and 5am, then a chance of showers and thunderstorms after 5am. Low around 65. South wind around 7 mph becoming southwest after midnight. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
A 10 percent chance of showers and thunderstorms before 7am. Cloudy through mid morning, then gradual clearing, with a high near 79. West wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 55. West wind around 6 mph becoming calm after midnight.
Thursday
Sunny, with a high near 76. Light and variable wind.
Thursday Night
Clear, with a low around 56. Calm wind becoming south around 5 mph after midnight.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 78. South wind 7 to 15 mph.
Friday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 61. South wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Saturday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 76. North wind around 9 mph.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 55. Calm wind becoming north around 5 mph in the evening.
Sunday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 73. Southeast wind 5 to 9 mph.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 55. Southeast wind around 8 mph becoming north after midnight.
Monday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 72. Northeast wind around 10 mph becoming northwest in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 60%.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Ossian IA
43.15°N 91.77°W
43.15°N 91.77°W
7:26 pm CDT Sep 7, 2026
10pm CDT Sep 7, 2026-6pm CDT Sep 14, 2026


