Rigby-Jefferson County Airport Weather Forecast

    • 31
    • 37

    Rain/Snow Likely

    • 37
    • 42

    Chance Rain Showers

    • 39
    • 48

    Rain Likely

    • 35
    • 51

    Rain Likely

    • 31
    • 46

    Chance Rain/Snow

    • 30
    • 46

    Mostly Cloudy

Today 7 Dec Upper Snake River Plain

Cloudy. Patchy fog in the morning. A slight chance of snow Showers in the morning. Then a chance of snow Showers in the afternoon. Snow accumulation up to 2 Inches. Highs 31 to 40. Southwest Winds 10 to 15 Mph.

Tonight 7 Dec Upper Snake River Plain

Mostly cloudy. A chance of snow Showers and rain Showers in the evening. Patchy fog after midnight. Snow accumulation up to 1 inch. Lows 21 to 31. Southwest Winds 10 to 15 Mph. Chance of precipitation 50 percent.

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Rigby-Jefferson County Airport Temperature Statistics

December Temperature

Idaho Falls Regional Airport (10.6 miles)

  • Lowest 3 December, 2025

    9 °F

  • Average December

    27.4 °F

  • Highest 5 December, 2025

    39.9 °F

Climate (2020–Present)

Idaho Falls Regional Airport (10.6 miles)

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  • Average Low 2020–2025

    33.3 °F

  • Average 2020–2025

    46.2 °F

  • Average High 2020–2025

    59 °F
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