Portneuf River Slough Weather Forecast

    • 41
    • 55

    Rain

    • 35
    • 54

    Rain/Snow

    • 29
    • 40

    Snow

    • 30
    • 46

    Partly Sunny

    • 35
    • 56

    Sunny

    • 38
    • 63

    Mostly Sunny

    • 42
    • 66

    Partly Sunny

Today 31 Mar Marsh and Arbon Highlands

A chance of rain in the morning. Then rain Showers likely and a slight chance of Thunderstorms in the afternoon. Highs 50 to 60.

Tonight 31 Mar Marsh and Arbon Highlands

Rain. Lows 36 to 43.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Portneuf River Slough Temperature Statistics

March Temperature

Pocatello, Pocatello Regional Airport (16.2 miles)

  • Lowest 15 March, 2026

    17.7 °F

  • Average March

    46.8 °F

  • Highest 18 March, 2026

    77.6 °F

Climate (2021–Present)

Pocatello, Pocatello Regional Airport (16.2 miles)

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  • Average Low 2021–2026

    35.4 °F

  • Average 2021–2026

    48.8 °F

  • Average High 2021–2026

    61.8 °F
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