Eureka Lake Weather Forecast

    • 53
    • 59

    Chance Rain Showers

    • 52
    • 63

    Chance Rain Showers

    • 51
    • 69

    Partly Sunny

    • 54
    • 75

    Mostly Sunny

    • 51
    • 74

    Partly Sunny

    • 51
    • 73

    Mostly Sunny

    • 51
    • 73

    Mostly Sunny

Today 18 Sep McPherson

Showers likely with a chance of Thunderstorms. Patchy fog. Cooler. Near steady temperature in the upper 50s. Northeast Winds 15 to 20 Mph. Chance of rain 70 percent.

Tonight 18 Sep McPherson

Cloudy with a chance of Showers with a slight chance of Thunderstorms. Patchy fog. Near steady temperature in the mid 50s. North Winds 10 to 15 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Eureka Lake Temperature Statistics

September Temperature

Mobridge, Mobridge Municipal Airport (39.8 miles)

  • Lowest 6 September, 2025

    36 °F

  • Average September

    65.7 °F

  • Highest 12 September, 2025

    90 °F

Climate (2020–Present)

Mobridge, Mobridge Municipal Airport (39.8 miles)

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  • Average Low 2020–2025

    36 °F

  • Average 2020–2025

    47.9 °F

  • Average High 2020–2025

    60 °F
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