Kellys Slough Reservoir Weather Forecast

    • 55
    • 65

    Rain Showers

    • 55
    • 62

    Rain Showers

    • 53
    • 66

    Chance Rain Showers

    • 52
    • 75

    Partly Sunny

    • 53
    • 77

    Partly Sunny

    • 52
    • 75

    Partly Sunny

    • 49
    • 74

    Partly Sunny

Today 18 Sep Grand Forks

Showers likely and a slight chance of Thunderstorms. Highs in the mid 60s. Northeast Winds around 15 Mph. Chance of rain 70 percent.

Tonight 18 Sep Grand Forks

A chance of Thunderstorms. Showers. Lows in the mid 50s. Northeast Winds 5 to 15 Mph. Chance of rain 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Kellys Slough Reservoir Temperature Statistics

September Temperature

Grand Forks, Grand Forks International Airport (3.7 miles)

  • Lowest 7 September, 2025

    33.1 °F

  • Average September

    61.6 °F

  • Highest 14 September, 2025

    87.1 °F

Climate (2020–Present)

Grand Forks, Grand Forks International Airport (3.7 miles)

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  • Average Low 2020–2025

    31.8 °F

  • Average 2020–2025

    42.8 °F

  • Average High 2020–2025

    53.4 °F
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