Rock Bass Reservoir Weather Forecast

    • 58
    • 69

    Decreasing Clouds

    • 54
    • 82

    Mostly Cloudy

    • 54
    • 77

    Mostly Cloudy

    • 57
    • 79

    Partly Sunny

    • 55
    • 85

    Mostly Sunny

    • 57
    • 80

    Partly Sunny

Today 22 Sep Dawes

Mostly cloudy in the Morning, then becoming partly sunny. Patchy fog in the morning. Highs in the mid 60s. Southeast Winds 15 to 20 Mph with Gusts up to 35 Mph.

Tonight 22 Sep Dawes

Partly cloudy in the Evening, then becoming mostly cloudy. Breezy with Lows in the mid 50s. South Winds 15 to 25 Mph with Gusts up to 45 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rock Bass Reservoir Temperature Statistics

September Temperature

Chadron, Chadron Municipal Airport (15.5 miles)

  • Lowest 17 September, 2026

    53.1 °F

  • Average September

    66.2 °F

  • Highest 16 September, 2026

    86 °F

Climate (2021–2026)

Chadron, Chadron Municipal Airport (15.5 miles)

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  • Average Low 2021–2026

    35.9 °F

  • Average 2021–2026

    50 °F

  • Average High 2021–2026

    64.2 °F
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