Foss Reservoir Weather Forecast

    • 57
    • 69

    Rain Showers

    • 58
    • 74

    Thunderstorms Likely

    • 59
    • 74

    Chance Thunderstorms

    • 59
    • 75

    Slight Chance Thunderstorms

    • 60
    • 79

    Partly Sunny

    • 62
    • 79

    Chance Rain Showers

Today 21 May Custer

A chance of Thunderstorms. Showers likely. Highs in the upper 60s. East Winds 5 to 10 Mph. Chance of rain 70 percent.

Tonight 21 May Custer

A slight chance of Thunderstorms in the evening. Mostly cloudy with a slight chance of Showers. Lows in the mid 50s. Southeast Winds 5 to 10 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Foss Reservoir Temperature Statistics

May Temperature

Elk City Regional Business Airport (13 miles)

  • Lowest 7 May, 2026

    41.9 °F

  • Average May

    68.7 °F

  • Highest 15 May, 2026

    100.6 °F

Climate (2021–Present)

Elk City Regional Business Airport (13 miles)

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  • Average Low 2021–2026

    49.6 °F

  • Average 2021–2026

    61.4 °F

  • Average High 2021–2026

    74.4 °F
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