New Underwood Weather Forecast

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    Rain/Snow Likely

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    • 49

    Rain/Snow Likely

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    • 48

    Rain Showers

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    • 46

    Rain Showers

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    Chance Rain Showers

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    Chance Rain Showers

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    Chance Rain Showers

Today 23 Apr Pennington Co Plains

Breezy. Mostly cloudy with a 20 percent chance of Showers. Highs in the upper 50s. Northwest Winds 20 to 30 Mph with Gusts up to 45 Mph.

Tonight 23 Apr Pennington Co Plains

Partly cloudy with a chance of rain Showers this Evening, then mostly cloudy with rain Showers and snow Showers likely after midnight. Little or no snow accumulation. Lows in the lower 30s. Northwest Winds 10 to 20 Mph with Gusts up to 30 Mph. Chance of precipitation 70 percent.

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  • Temperature Real-Time

New Underwood Temperature Statistics

April Temperature

Rapid City, Rapid City Regional Airport (11.2 miles)

  • Lowest 18 April, 2026

    19.7 °F

  • Average April

    44.9 °F

  • Highest 11 April, 2026

    86.6 °F

Climate (2021–Present)

Rapid City, Rapid City Regional Airport (11.2 miles)

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  • Average Low 2021–2026

    35.7 °F

  • Average 2021–2026

    49.4 °F

  • Average High 2021–2026

    63.2 °F
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