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

    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.

    Low: 66 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday

    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.

    High: 82 °F

    Chance
    Showers

  • Tuesday Night

    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.

    Low: 65 °F

    Showers

  • Wednesday

    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.

    High: 79 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 55. West wind around 6 mph becoming calm  after midnight.

    Low: 55 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 76. Light and variable wind.

    High: 76 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 56. Calm wind becoming south around 5 mph after midnight.

    Low: 56 °F

    Clear

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 78. South wind 7 to 15 mph.

    High: 78 °F

    Sunny then
    Chance
    Showers

  • Friday Night

    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%.

    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%.
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ABOUT THIS FORECAST

 
Point Forecast:
Ossian IA
 43.15°N 91.77°W
7:26 pm CDT Sep 7, 2026
10pm CDT Sep 7, 2026-6pm CDT Sep 14, 2026
 
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