Thornton Weather Forecast

    • 29
    • 51

    Becoming Sunny

    • 36
    • 52

    Rain Likely

    • 24
    • 46

    Rain/Snow Likely

    • 25
    • 42

    Mostly Cloudy

    • 22
    • 41

    Slight Chance Snow

    • 21
    • 41

    Partly Sunny

Today 7 Feb Upper Snake River Plain

Partly sunny in the morning then clearing. Highs 45 to 52. Light and variable Winds. Becoming southwest up to 10 Mph in the afternoon.

Tonight 7 Feb Upper Snake River Plain

Partly cloudy. Lows 24 to 33. Southeast Winds up to 10 Mph.

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Thornton Temperature Statistics

February Temperature

Rexburg, Rexburg-Madison County Airport (5 miles)

  • Lowest 2 February, 2026

    21 °F

  • Average February

    34.1 °F

  • Highest 4 February, 2026

    48 °F

Climate (2021–Present)

Rexburg, Rexburg-Madison County Airport (5 miles)

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  • Average Low 2021–2026

    34 °F

  • Average 2021–2026

    46 °F

  • Average High 2021–2026

    58 °F
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