National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Decorah (KDEH)

Lat: 43.28°NLon: 91.73°WElev: 1158ft.

Overcast

41°F

5°C

Humidity 81%
Wind Speed Calm
Barometer 30.14 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 1 Nov 7:35 pm CDT
Extended Forecast for

Ossian IA

  • Tonight

    Tonight: Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 30. North wind around 5 mph becoming calm in the evening.

    Low: 30 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 50. Breezy, with a southwest wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 26 mph.

    High: 50 °F

    Patchy Fog
    then Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 38. Southwest wind 9 to 14 mph, with gusts as high as 22 mph.

    Low: 38 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 57. Northwest wind 8 to 10 mph.

    High: 57 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 35. Light and variable wind.

    Low: 35 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 58. South wind 5 to 10 mph.

    High: 58 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 40. East wind around 6 mph becoming north after midnight.

    Low: 40 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 55. North wind 7 to 9 mph.

    High: 55 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 32. Northwest wind around 5 mph becoming light and variable.

    Low: 32 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 30. North wind around 5 mph becoming calm in the evening.
Sunday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 50. Breezy, with a southwest wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 26 mph.
Sunday Night
Mostly cloudy, with a low around 38. Southwest wind 9 to 14 mph, with gusts as high as 22 mph.
Monday
Sunny, with a high near 57. Northwest wind 8 to 10 mph.
Monday Night
Partly cloudy, with a low around 35. Light and variable wind.
Tuesday
Mostly sunny, with a high near 58. South wind 5 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 40. East wind around 6 mph becoming north after midnight.
Wednesday
Mostly sunny, with a high near 55. North wind 7 to 9 mph.
Wednesday Night
Partly cloudy, with a low around 32. Northwest wind around 5 mph becoming light and variable.
Thursday
Partly sunny, with a high near 55. South wind 6 to 13 mph, with gusts as high as 21 mph.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 43. South wind around 10 mph becoming west after midnight. Winds could gust as high as 18 mph.
Friday
Mostly sunny, with a high near 57. West wind 9 to 11 mph.
Friday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 39. West wind around 7 mph becoming south after midnight.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 52. South wind 8 to 13 mph becoming west in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Ossian IA
 43.15°N 91.74°W
Last Update:
6:21 pm CDT Nov 1, 2025
Forecast Valid:
7pm CDT Nov 1, 2025-6pm CST Nov 8, 2025
 
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