Lower Brule Recreation Area Weather Forecast

    • 37
    • 65

    Mostly Cloudy

    • 41
    • 68

    Mostly Sunny

    • 54
    • 85

    Partly Sunny

    • 43
    • 76

    Breezy

    • 53
    • 79

    Breezy

    • 52
    • 86

    Breezy

Today 9 May Lyman

Partly sunny. Near steady temperature in the lower 60s. North Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 9 May Lyman

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the upper 30s. North Winds 10 to 15 Mph with Gusts up to 25 Mph, becoming west around 5 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lower Brule Recreation Area Temperature Statistics

May Temperature

Chamberlain, Chamberlain Municipal Airport (23.6 miles)

  • Lowest 6 May, 2026

    27.9 °F

  • Average May

    49.8 °F

  • Highest 2 May, 2026

    75.9 °F

Climate (2021–Present)

Chamberlain, Chamberlain Municipal Airport (23.6 miles)

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  • Average Low 2021–2026

    36.4 °F

  • Average 2021–2026

    47.8 °F

  • Average High 2021–2026

    59.7 °F
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