Ossian Weather Forecast

    • 57
    • 73

    Severe Tstms

    • 53
    • 74

    Rain Showers Likely

    • 54
    • 68

    Rain Showers Likely

    • 53
    • 71

    Chance Rain Showers

    • 40
    • 77

    Rain Showers

    • 28
    • 50

    Chance Rain Showers

    • 33
    • 49

    Mostly Sunny

Today 13 Apr Winneshiek

Mostly cloudy with a chance of Showers and Thunderstorms. Highs in the mid 70s. South Winds 10 to 15 Mph. Chance of rain 40 percent.

Tonight 13 Apr Winneshiek

Mostly cloudy with Showers likely with a chance of Thunderstorms this Evening, then partly cloudy with a chance of Showers and Thunderstorms after midnight. Patchy fog after midnight. Some Thunderstorms may be severe with damaging Winds, large Hail, and Tornadoes this evening. Lows in the upper 50s. Southwest Winds 10 to 15 Mph. Chance of rain 70 percent.

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  • Temperature Real-Time

Ossian Temperature Statistics

April Temperature

Decorah (9.3 miles)

  • Lowest 7 April, 2026

    23 °F

  • Average April

    40.7 °F

  • Highest 8 April, 2026

    69.8 °F

Climate (2021–Present)

Decorah (9.3 miles)

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  • Average Low 2021–2026

    39.4 °F

  • Average 2021–2026

    48.1 °F

  • Average High 2021–2026

    56.7 °F
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