Basalt Weather Forecast

    • 30
    • 50

    Decreasing Clouds

    • 35
    • 52

    Chance Rain

    • 35
    • 51

    Chance Rain

    • 32
    • 53

    Chance Rain

    • 33
    • 55

    Mostly Sunny

    • 34
    • 54

    Chance Rain/Snow

Today 27 Feb Lower Snake River Plain

Sunny, breezy. Highs 49 to 56. Southwest Winds 10 to 15 Mph. Increasing to 15 to 25 Mph in the afternoon.

Tonight 27 Feb Lower Snake River Plain

Mostly clear. Lows 25 to 34. Southwest Winds 10 to 15 Mph.

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Basalt Temperature Statistics

February Temperature

Idaho Falls Regional Airport (14.9 miles)

  • Lowest 20 February, 2026

    -0.3 °F

  • Average February

    33.9 °F

  • Highest 8 February, 2026

    58.6 °F

Climate (2021–Present)

Idaho Falls Regional Airport (14.9 miles)

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  • Average Low 2021–2026

    33.7 °F

  • Average 2021–2026

    46.7 °F

  • Average High 2021–2026

    59.6 °F
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