Shelley Weather Forecast

    • 51
    • 77

    Rain Showers

    • 45
    • 71

    Rain Showers Likely

    • 44
    • 68

    Slight Chance Thunderstorms

    • 44
    • 72

    Mostly Sunny

    • 46
    • 76

    Mostly Sunny

    • 47
    • 77

    Mostly Sunny

Today 17 Sep Lower Snake River Plain

Rain Showers likely and a slight chance of Thunderstorms in the morning. Then a chance of Showers and Thunderstorms in the afternoon. Highs 75 to 82. East Winds 10 to 15 Mph. Shifting to southeast in the afternoon.

Tonight 17 Sep Lower Snake River Plain

A chance of rain Showers and a slight chance of Thunderstorms in the evening. Then rain Showers likely and a slight chance of Thunderstorms after midnight. Lows 48 to 55. Southeast Winds 10 to 15 Mph. Shifting to northeast after midnight. Chance of precipitation 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Shelley Temperature Statistics

September Temperature

Idaho Falls Regional Airport (9.9 miles)

  • Lowest 8 September, 2026

    34.6 °F

  • Average September

    62.4 °F

  • Highest 6 September, 2026

    86.6 °F

Climate (2021–2026)

Idaho Falls Regional Airport (9.9 miles)

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  • Average Low 2021–2026

    33.8 °F

  • Average 2021–2026

    46.9 °F

  • Average High 2021–2026

    60 °F
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