Rosa Lake Weather Forecast

    • 1
    • 12

    Chance Snow

    • -3
    • 18

    Mostly Sunny

    • 11
    • 25

    Chance Snow Showers

    • 9
    • 28

    Slight Chance Snow Showers

    • 9
    • 24

    Slight Chance Snow Showers

    • 9
    • 23

    Mostly Cloudy

Today 30 Jan Montcalm

Mostly sunny. Highs 10 to 15. North Winds 5 to 10 Mph.

Tonight 30 Jan Montcalm

Mostly cloudy with a 30 percent chance of snow in the Evening, then partly cloudy after midnight. Lows zero to 5 above. Northwest Winds 5 to 10 Mph becoming north after midnight. Wind chill Readings as low as minus 12.

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Rosa Lake Temperature Statistics

January Temperature

Ionia County Airport (19.3 miles)

  • Lowest 24 January, 2026

    -18.4 °F

  • Average January

    21.3 °F

  • Highest 9 January, 2026

    59 °F

Climate (2021–Present)

Ionia County Airport (19.3 miles)

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  • Average Low 2021–2026

    40.8 °F

  • Average 2021–2026

    49.9 °F

  • Average High 2021–2026

    58.9 °F
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