Hazardous Weather Conditions
Current conditions at
Decorah (KDEH)
Lat: 43.28°NLon: 91.73°WElev: 1158ft.
Mostly Cloudy
61°F
16°C
| Humidity | 100% |
| Wind Speed | Calm |
| Barometer | 29.71 in |
| Dewpoint | 61°F (16°C) |
| Visibility | 10.00 mi |
| Last update | 16 May 2:15 am CDT |
Extended Forecast for
Ossian IA
Overnight

Low: 58 °F
Slight Chance
ShowersSaturday

High: 81 °F
Sunny
Saturday Night

Low: 58 °F
Showers
LikelySunday
High: 81 °F
Showers
Likely and
Breezy then
Chance
T-stormsSunday Night
Low: 63 °F
Breezy.
Slight Chance
T-storms then
Showers
LikelyMonday

High: 82 °F
Showers and
BreezyMonday Night

Low: 58 °F
Showers and
BreezyTuesday

High: 69 °F
Slight Chance
Showers and
BreezyTuesday Night
Low: 43 °F
Mostly Cloudy
and Breezy
then Mostly
Cloudy
Detailed Forecast
Overnight
A 20 percent chance of showers before 3am. Mostly cloudy early, then becoming mostly clear, with a low around 58. Southwest wind 3 to 7 mph.
Saturday
Sunny, with a high near 81. Light and variable wind becoming north 5 to 7 mph in the morning.
Saturday Night
A chance of showers and thunderstorms before 2am, then showers likely between 2am and 4am, then showers likely and possibly a thunderstorm after 4am. Increasing clouds, with a low around 58. Northeast wind 7 to 14 mph becoming southeast after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers and thunderstorms likely, mainly before 2pm. Cloudy, with a high near 81. Breezy, with an east wind 11 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A slight chance of showers and thunderstorms between 7pm and 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 63. Breezy, with a south wind 17 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. High near 82. Breezy, with a south wind around 17 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers and possibly a thunderstorm. Low around 58. Breezy, with a south wind 16 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 90%.
Tuesday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 69. Breezy, with a west wind 18 to 21 mph, with gusts as high as 29 mph.
Tuesday Night
Mostly cloudy, with a low around 43. Breezy, with a northwest wind 10 to 17 mph, with gusts as high as 25 mph.
Wednesday
Mostly sunny, with a high near 60. Northwest wind 8 to 13 mph.
Wednesday Night
Partly cloudy, with a low around 41. North wind 5 to 7 mph becoming light and variable in the evening.
Thursday
Sunny, with a high near 66. East wind 6 to 8 mph becoming south in the afternoon.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 46. Southeast wind around 7 mph.
Friday
Mostly sunny, with a high near 71. South wind 7 to 9 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
1:26 am CDT May 16, 2026
2am CDT May 16, 2026-6pm CDT May 22, 2026



