Williams Coulee Reservoir Weather Forecast

    • 49
    • 71

    Rain Showers Likely

    • 45
    • 65

    Rain Showers Likely

    • 50
    • 77

    Mostly Sunny

    • 47
    • 81

    Partly Sunny

    • 40
    • 65

    Chance Rain Showers

    • 37
    • 59

    Chance Rain Showers

Today 7 Sep Central and Southeast Phillips

Showers with a slight chance of Thunderstorms this Morning, then Showers likely with a chance of Thunderstorms this afternoon. Windy with Highs around 70. Northwest wind 10 to 15 Mph, increasing to west 20 to 30 Mph with Gusts up to 40 Mph this afternoon. Chance of rain 90 percent.

Tonight 7 Sep Central and Southeast Phillips

Mostly cloudy with a 30 percent chance of Showers. Very windy with Lows in the upper 40s. West wind 30 to 35 Mph with Gusts up to 45 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Williams Coulee Reservoir Temperature Statistics

September Temperature

Glasgow, Glasgow International Airport (64 miles)

  • Lowest 1 September, 2026

    48.7 °F

  • Average September

    72.2 °F

  • Highest 4 September, 2026

    93.7 °F

Climate (2021–2026)

Glasgow, Glasgow International Airport (64 miles)

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  • Average Low 2021–2026

    34.3 °F

  • Average 2021–2026

    46 °F

  • Average High 2021–2026

    57.8 °F
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