Smith Reservoir Weather Forecast

    • 55
    • 74

    Slight Chance Thunderstorms

    • 51
    • 70

    Slight Chance Thunderstorms

    • 55
    • 83

    Mostly Sunny

    • 58
    • 85

    Partly Sunny

    • 58
    • 88

    Mostly Sunny

    • 53
    • 85

    Mostly Sunny

    • 53
    • 83

    Sunny

Today 17 Sep Red Willow

Partly cloudy. Highs in the mid 70s. Northwest Winds around 10 Mph.

Tonight 17 Sep Red Willow

Mostly clear this Evening, then partly cloudy with slight chance of Thunderstorms after midnight. Lows in the mid 50s. West Winds 5 to 10 Mph. Chance of precipitation 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Smith Reservoir Temperature Statistics

September Temperature

McCook, McCook Municipal Airport (15.5 miles)

  • Lowest 6 September, 2025

    45 °F

  • Average September

    68.7 °F

  • Highest 12 September, 2025

    100 °F

Climate (2020–Present)

McCook, McCook Municipal Airport (15.5 miles)

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  • Average Low 2020–2025

    39.7 °F

  • Average 2020–2025

    53.3 °F

  • Average High 2020–2025

    67.7 °F
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