Ossian Weather Forecast

    • 19
    • 45

    Increasing Clouds

    • 8
    • 23

    Snow Likely

    • 14
    • 24

    Chance Snow

    • 28
    • 37

    Chance Snow

    • 26
    • 37

    Slight Chance Rain/Snow

    • 32
    • 42

    Chance Rain

    • 33
    • 45

    Chance Rain

Today 27 Feb Winneshiek

Mostly sunny. Warmer with Highs in the upper 40s. West Winds 10 to 15 Mph.

Tonight 27 Feb Winneshiek

Partly cloudy this Evening, then becoming mostly cloudy. Lows around 19. Northwest Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Ossian Temperature Statistics

February Temperature

Decorah (9.3 miles)

  • Lowest 4 February, 2026

    3.2 °F

  • Average February

    28.4 °F

  • Highest 16 February, 2026

    60.8 °F

Climate (2021–Present)

Decorah (9.3 miles)

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  • Average Low 2021–2026

    39.5 °F

  • Average 2021–2026

    48.2 °F

  • Average High 2021–2026

    56.8 °F
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