Eureka Lake Weather Forecast

    • 65
    • 87

    Slight Chance Thunderstorms

    • 61
    • 85

    Rain Showers Likely

    • 53
    • 80

    Breezy

    • 49
    • 75

    Breezy

    • 54
    • 84

    Mostly Sunny

    • 49
    • 78

    Partly Sunny

    • 45
    • 69

    Chance Rain Showers

Today 6 Sep McPherson

Partly sunny with a 20 percent chance of Thunderstorms. Breezy. Near steady temperature in the mid 70s. South Winds 15 to 25 Mph with Gusts up to 35 Mph.

Tonight 6 Sep McPherson

Partly cloudy this Evening, then becoming mostly cloudy. Breezy with Lows in the mid 60s. Southeast Winds 15 to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Eureka Lake Temperature Statistics

September Temperature

Mobridge, Mobridge Municipal Airport (39.8 miles)

  • Lowest 1 September, 2026

    51.7 °F

  • Average September

    72.3 °F

  • Highest 3 September, 2026

    91.7 °F

Climate (2021–2026)

Mobridge, Mobridge Municipal Airport (39.8 miles)

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  • Average Low 2021–2026

    35.8 °F

  • Average 2021–2026

    47.7 °F

  • Average High 2021–2026

    59.8 °F
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