Harrison Weather Forecast

    • 56
    • 90

    Becoming Sunny

    • 46
    • 75

    Breezy

    • 47
    • 75

    Mostly Sunny

    • 52
    • 82

    Partly Sunny

    • 50
    • 82

    Rain Showers Likely

    • 47
    • 74

    Chance Thunderstorms

Today 16 Jun North Sioux

Mostly sunny. Warmer with Highs in the lower 90s. West Winds 10 to 15 Mph, becoming northwest 15 to 20 Mph this afternoon. Gusts up to 35 Mph.

Tonight 16 Jun North Sioux

Mostly clear. A slight chance of dry Thunderstorms after midnight. Lows in the upper 50s. Northwest Winds 15 to 20 Mph with Gusts up to 35 Mph.

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Harrison Temperature Statistics

June Temperature

Chadron, Chadron Municipal Airport (41 miles)

  • Lowest 14 June, 2026

    39 °F

  • Average June

    69.1 °F

  • Highest 6 June, 2026

    99 °F

Climate (2021–Present)

Chadron, Chadron Municipal Airport (41 miles)

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  • Average Low 2021–2026

    35.9 °F

  • Average 2021–2026

    50.1 °F

  • Average High 2021–2026

    64.4 °F
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