Rigby-Jefferson County Airport Weather Forecast

    • 41
    • 74

    Decreasing Clouds

    • 44
    • 76

    Partly Sunny

    • 41
    • 73

    Mostly Sunny

    • 46
    • 80

    Mostly Sunny

    • 46
    • 85

    Breezy

    • 47
    • 84

    Mostly Sunny

Today 7 May Upper Snake River Plain

Mostly sunny. Warmer. Highs 68 to 78. Southwest Winds 10 to 15 Mph.

Tonight 7 May Upper Snake River Plain

Partly cloudy. Lows 37 to 44. North Winds 10 to 15 Mph.

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Rigby-Jefferson County Airport Temperature Statistics

May Temperature

Idaho Falls Regional Airport (10.6 miles)

  • Lowest 1 May, 2026

    28.7 °F

  • Average May

    52.3 °F

  • Highest 3 May, 2026

    75.7 °F

Climate (2021–Present)

Idaho Falls Regional Airport (10.6 miles)

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  • Average Low 2021–2026

    33.9 °F

  • Average 2021–2026

    46.9 °F

  • Average High 2021–2026

    59.9 °F
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