Portneuf River Slough Weather Forecast

    • 15
    • 30

    Snow Likely

    • 13
    • 29

    Chance Snow

    • 12
    • 28

    Chance Snow

    • 17
    • 33

    Partly Sunny

    • 26
    • 40

    Partly Sunny

    • 30
    • 43

    Rain/Snow Likely

Today 18 Feb Marsh and Arbon Highlands

Snow likely in the morning. Then a chance of snow in the afternoon. Breezy. Snow accumulation of 2 to 6 Inches. Highs 26 to 36.

Tonight 18 Feb Marsh and Arbon Highlands

Mostly cloudy with a chance of snow. Breezy, Colder. Snow accumulation up to 2 Inches. Lows 9 to 18.

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Portneuf River Slough Temperature Statistics

February Temperature

Pocatello, Pocatello Regional Airport (16.2 miles)

  • Lowest 10 February, 2026

    21 °F

  • Average February

    39.2 °F

  • Highest 8 February, 2026

    61.6 °F

Climate (2021–Present)

Pocatello, Pocatello Regional Airport (16.2 miles)

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  • Average Low 2021–2026

    35.2 °F

  • Average 2021–2026

    48.6 °F

  • Average High 2021–2026

    61.6 °F
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