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

Hazardous Weather Conditions

Current conditions at

Decorah (KDEH)

Lat: 43.28°NLon: 91.73°WElev: 1158ft.

Mostly Cloudy

77°F

25°C

Humidity 94%
Wind Speed S 8 mph
Barometer 29.79 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 5 Jun 3:15 pm CDT
Extended Forecast for

Ossian IA

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 62. Southwest wind 3 to 8 mph.

    Low: 62 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Sunny, with a high near 85. Light north wind.

    High: 85 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 62. East wind 3 to 5 mph.

    Low: 62 °F

    Partly Cloudy

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 83. Southeast wind 7 to 11 mph, with gusts as high as 20 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Partly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 64. Southeast wind around 11 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Chance
    T-storms then
    Showers

  • Monday

    Monday: Showers and possibly a thunderstorm. High near 80. Southeast wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 80 °F

    Showers

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 65. South wind 3 to 7 mph.

    Low: 65 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Partly sunny, with a high near 88. South wind 3 to 7 mph.

    High: 88 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68. South wind 6 to 8 mph.

    Low: 68 °F

    Mostly Clear
    then Chance
    T-storms

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 62. Southwest wind 3 to 8 mph.
Saturday
Sunny, with a high near 85. Light north wind.
Saturday Night
Partly cloudy, with a low around 62. East wind 3 to 5 mph.
Sunday
A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 83. Southeast wind 7 to 11 mph, with gusts as high as 20 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 64. Southeast wind around 11 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Showers and possibly a thunderstorm. High near 80. Southeast wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 65. South wind 3 to 7 mph.
Tuesday
Partly sunny, with a high near 88. South wind 3 to 7 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68. South wind 6 to 8 mph.
Wednesday
Mostly sunny, with a high near 91. Breezy, with a south wind 10 to 16 mph, with gusts as high as 25 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71. Breezy, with a south wind 14 to 16 mph, with gusts as high as 24 mph.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92. Breezy, with a southwest wind 13 to 17 mph, with gusts as high as 25 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69. Southwest wind 8 to 14 mph, with gusts as high as 22 mph.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87. West wind 8 to 13 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Ossian IA
 43.15°N 91.77°W
Last Update:
3:31 pm CDT Jun 5, 2026
Forecast Valid:
3pm CDT Jun 5, 2026-6pm CDT Jun 12, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation