Twin Falls Weather Forecast

    • 35
    • 56

    Slight Chance Thunderstorms

    • 38
    • 63

    Mostly Sunny

    • 42
    • 68

    Mostly Sunny

    • 43
    • 72

    Partly Sunny

    • 47
    • 76

    Partly Sunny

    • 47
    • 78

    Mostly Sunny

Today 17 May Western Magic Valley

Cloudy with a slight chance of snow Showers this Morning, then partly cloudy with a slight chance of rain Showers and Thunderstorms this afternoon. Chance of precipitation 20 percent. Highs 55 to 60. Breezy. West Winds 10 to 20 Mph with Gusts to 35 Mph.

Tonight 17 May Western Magic Valley

Mostly cloudy with a slight chance of rain Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Chance of rain 20 percent. Lows 30 to 35. Breezy. Northwest Winds 10 to 20 Mph. Gusts to 35 Mph in the evening.

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Twin Falls Temperature Statistics

May Temperature

Joslin Field - Magic Valley Regional Airport (5.6 miles)

  • Lowest 1 May, 2026

    32.6 °F

  • Average May

    61.8 °F

  • Highest 12 May, 2026

    90.6 °F

Climate (2021–Present)

Joslin Field - Magic Valley Regional Airport (5.6 miles)

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  • Average Low 2021–2026

    40 °F

  • Average 2021–2026

    51.6 °F

  • Average High 2021–2026

    63.3 °F
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