Ossian, IA 7-Day Night Weather Forecast
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Ossian, IA Weather Forecast


Ossian, IA Weather Forecast Date: 122 PM CST Sun Nov 01 2026
The area/counties/county of: Winneshiek, including the city of Decorah.or toggle through each period.
This Afternoon... Mostly sunny. Warmer with highs in the upper 60s. Southeast winds 5 to 10 mph.
Tonight... Mostly cloudy. A slight chance of showers after midnight. Lows in the mid 50s. Southeast winds 5 to 10 mph. Chance of rain 20%.
Monday... Showers. Highs in the lower 60s. Southeast winds 10 to 20 mph with gusts up to 30 mph. Chance of rain 100%.
Monday Night... Showers. Near steady temperature in the lower 60s. South winds 10 to 20 mph. Gusts up to 30 mph in the evening. Chance of rain 100%.
Tuesday... Showers. Highs in the upper 60s. Temperature falling into the in the lower 60s in the afternoon. South winds 10 to 15 mph. Chance of rain 100%.
Tuesday Night... Cooler. Mostly cloudy with a 50% chance of showers. Lows in the upper 40s.
Wednesday... Cooler. Showers likely. Highs in the mid 50s. Chance of rain 70%.
Wednesday Night... Mostly cloudy with a 30% chance of showers. Lows in the mid 40s. Highs in the mid 50s.
Thursday... Mostly cloudy with a 30% chance of showers. Lows in the mid 40s. Highs in the mid 50s.
Thursday Night... Mostly cloudy. Lows around 40. Highs in the mid 50s.
Friday... Mostly cloudy. Lows around 40. Highs in the mid 50s.
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