Wiregrass Reservoir Weather Forecast

    • 33
    • 66

    Rain Showers

    • 27
    • 61

    Rain Showers

    • 30
    • 70

    Partly Sunny

    • 36
    • 78

    Mostly Sunny

    • 38
    • 82

    Slight Chance Thunderstorms

    • 39
    • 84

    Partly Sunny

Today 20 May Marsh and Arbon Highlands

Mostly sunny. Highs 58 to 68.

Tonight 20 May Marsh and Arbon Highlands

Mostly cloudy. Isolated rain Showers in the evening. Then scattered rain Showers after midnight. Lows 37 to 47.

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Wiregrass Reservoir Temperature Statistics

May Temperature

Pocatello, Pocatello Regional Airport (35.4 miles)

  • Lowest 1 May, 2026

    25.6 °F

  • Average May

    56.3 °F

  • Highest 12 May, 2026

    89.7 °F

Climate (2021–Present)

Pocatello, Pocatello Regional Airport (35.4 miles)

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  • Average Low 2021–2026

    35.3 °F

  • Average 2021–2026

    48.8 °F

  • Average High 2021–2026

    61.9 °F
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