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

54°F

12°C

Humidity 94%
Wind Speed Vrbl 7 mph
Barometer 30.13 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 15 Oct 12:55 am CDT
Extended Forecast for

Ossian IA

  • Overnight

    Overnight: Cloudy, with a steady temperature around 53. East wind 5 to 7 mph.

    Low: 53 °F

    Cloudy

  • Thursday

    Thursday: Showers, mainly after 9am. High near 55. East wind 5 to 7 mph becoming calm. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 55 °F

    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly before 10pm. Mostly cloudy, with a low around 43. Northwest wind 11 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Showers
    Likely then
    Mostly Cloudy

  • Friday

    Friday: A 40 percent chance of showers, mainly before 11am. Mostly cloudy, with a high near 50. Breezy, with a north wind 18 to 22 mph, with gusts as high as 33 mph.

    High: 50 °F

    Breezy.
    Chance
    Showers then
    Mostly Cloudy

  • Friday Night

    Friday Night: Widespread frost, mainly after 2am. Otherwise, mostly clear, with a low around 30. North wind 5 to 8 mph becoming calm in the evening.

    Low: 30 °F

    Frost

  • Saturday

    Saturday: Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 56. Light southwest wind increasing to 8 to 13 mph in the morning.

    High: 56 °F

    Frost then
    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 41. South wind 7 to 11 mph, with gusts as high as 21 mph.

    Low: 41 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 63. Breezy, with a south wind 13 to 18 mph.

    High: 63 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 44. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 44 °F

    Partly Cloudy

Detailed Forecast

Overnight
Cloudy, with a steady temperature around 53. East wind 5 to 7 mph.
Thursday
Showers, mainly after 9am. High near 55. East wind 5 to 7 mph becoming calm. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Thursday Night
Showers likely, mainly before 10pm. Mostly cloudy, with a low around 43. Northwest wind 11 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A 40 percent chance of showers, mainly before 11am. Mostly cloudy, with a high near 50. Breezy, with a north wind 18 to 22 mph, with gusts as high as 33 mph.
Friday Night
Widespread frost, mainly after 2am. Otherwise, mostly clear, with a low around 30. North wind 5 to 8 mph becoming calm in the evening.
Saturday
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 56. Light southwest wind increasing to 8 to 13 mph in the morning.
Saturday Night
Clear, with a low around 41. South wind 7 to 11 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 63. Breezy, with a south wind 13 to 18 mph.
Sunday Night
Partly cloudy, with a low around 44. South wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 66. Southwest wind 3 to 5 mph.
Monday Night
Partly cloudy, with a low around 45. Calm wind.
Tuesday
Sunny, with a high near 68. Calm wind becoming south 5 to 8 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 50. South wind around 6 mph.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 70. South wind 6 to 11 mph, with gusts as high as 20 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Ossian IA
 43.13°N 91.77°W
Last Update:
11:31 pm CDT Oct 14, 2026
Forecast Valid:
1am CDT Oct 15, 2026-6pm CDT Oct 21, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation