Rigby-Jefferson County Airport Weather Forecast

    • 48
    • 77

    Rain Showers Likely

    • 51
    • 83

    Slight Chance Thunderstorms

    • 52
    • 84

    Chance Rain Showers

    • 50
    • 81

    Partly Sunny

    • 51
    • 83

    Mostly Sunny

    • 54
    • 86

    Mostly Sunny

    • 55
    • 89

    Mostly Sunny

Today 15 Aug Upper Snake River Plain

Partly sunny. A slight chance of Showers and Thunderstorms in the morning. Then a chance of Showers and Thunderstorms in the afternoon. Highs 73 to 80. East Winds up to 10 Mph. Shifting to south around 10 Mph in the afternoon.

Tonight 15 Aug Upper Snake River Plain

Partly cloudy. A slight chance of Showers and Thunderstorms in the evening. Lows 44 to 54. Northeast Winds around 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rigby-Jefferson County Airport Temperature Statistics

August Temperature

Idaho Falls Regional Airport (10.6 miles)

  • Lowest 4 August, 2026

    39.7 °F

  • Average August

    71.3 °F

  • Highest 1 August, 2026

    101.6 °F

Climate (2021–2026)

Idaho Falls Regional Airport (10.6 miles)

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  • Average Low 2021–2026

    33.8 °F

  • Average 2021–2026

    46.8 °F

  • Average High 2021–2026

    59.9 °F
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