Sun Prairie Weather Forecast

    • 30
    • 61

    Increasing Clouds

    • 27
    • 64

    Mostly Cloudy

    • 37
    • 61

    Slight Chance Rain

    • 26
    • 63

    Chance Rain/Snow

    • 24
    • 43

    Chance Snow

    • 30
    • 52

    Chance Rain/Snow

Today 27 Mar Cascade County below 5000ft

Not as cool. Sunny. Highs in the lower 60s. South Winds 5 to 10 Mph increasing to southwest 15 to 20 Mph in the afternoon. Gusts up to 35 Mph.

Tonight 27 Mar Cascade County below 5000ft

Not as cold. Partly cloudy in the evening then becoming mostly cloudy. Lows 31 to 39. Southwest Winds 5 to 15 Mph. Gusts up to 30 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sun Prairie Temperature Statistics

March Temperature

Great Falls, Great Falls International Airport (6.2 miles)

  • Lowest 15 March, 2026

    -5.4 °F

  • Average March

    41.5 °F

  • Highest 20 March, 2026

    76.6 °F

Climate (2021–Present)

Great Falls, Great Falls International Airport (6.2 miles)

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  • Average Low 2021–2026

    34.4 °F

  • Average 2021–2026

    47 °F

  • Average High 2021–2026

    59 °F
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