Imlay Weather Forecast

    • 38
    • 72

    Increasing Clouds

    • 26
    • 52

    Chance Rain/Snow

    • 23
    • 47

    Breezy

    • 34
    • 57

    Mostly Sunny

    • 32
    • 72

    Partly Sunny

    • 22
    • 47

    Chance Rain/Snow

    • 21
    • 44

    Breezy

Today 13 Mar Pennington Co Plains

Mostly sunny. Highs in the lower 70s. Southwest Winds 15 to 20 Mph with Gusts up to 35 Mph.

Tonight 13 Mar Pennington Co Plains

Partly cloudy this Evening, then becoming mostly cloudy. Lows in the upper 30s. Southwest Winds 10 to 15 Mph. Gusts up to 25 Mph this evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Imlay Temperature Statistics

March Temperature

Rapid City, Rapid City Regional Airport (39.8 miles)

  • Lowest 5 March, 2025

    9.8 °F

  • Average March

    38.9 °F

  • Highest 10 March, 2025

    71.1 °F

Climate (2020–Present)

Rapid City, Rapid City Regional Airport (39.8 miles)

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  • Average Low 2020–2025

    35 °F

  • Average 2020–2025

    48.3 °F

  • Average High 2020–2025

    61.7 °F
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