Eureka Lake Weather Forecast

    • 51
    • 76

    Rain Showers Likely

    • 50
    • 75

    Mostly Sunny

    • 54
    • 82

    Rain Showers Likely

    • 53
    • 81

    Rain Showers Likely

    • 51
    • 79

    Chance Rain Showers

    • 52
    • 79

    Slight Chance Thunderstorms

Today 31 May McPherson

Partly sunny with a slight chance of Thunderstorms late this Morning, then mostly cloudy with a chance of Thunderstorms this afternoon. Breezy with Highs in the mid 70s. Southeast Winds 15 to 25 Mph. Chance of rain 50 percent.

Tonight 31 May McPherson

Showers likely in the evening. Mostly cloudy with a chance of Thunderstorms. Lows in the lower 50s. East Winds 15 to 20 Mph, becoming west 10 to 15 Mph after midnight. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Eureka Lake Temperature Statistics

May Temperature

Mobridge, Mobridge Municipal Airport (39.8 miles)

  • Lowest 6 May, 2026

    20.6 °F

  • Average May

    55.8 °F

  • Highest 25 May, 2026

    91.7 °F

Climate (2021–Present)

Mobridge, Mobridge Municipal Airport (39.8 miles)

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  • Average Low 2021–2026

    36 °F

  • Average 2021–2026

    47.8 °F

  • Average High 2021–2026

    59.9 °F
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