Rigby Weather Forecast

    • 51
    • 86

    Slight Chance Thunderstorms

    • 49
    • 82

    Mostly Sunny

    • 54
    • 84

    Chance Rain Showers

    • 50
    • 79

    Chance Rain Showers

    • 49
    • 78

    Chance Rain Showers

    • 47
    • 72

    Slight Chance Thunderstorms

Today 4 Sep Upper Snake River Plain

Sunny. Areas of smoke through the day. Isolated Showers and Thunderstorms in the afternoon. Some Thunderstorms may produce gusty Winds in the afternoon. Highs 82 to 89. Northeast Winds up to 10 Mph. Shifting to west around 10 Mph in the afternoon.

Tonight 4 Sep Upper Snake River Plain

Partly cloudy. Isolated Showers and Thunderstorms in the evening. Areas of smoke through the night. Some Thunderstorms may produce gusty Winds in the evening. Lows 47 to 56. Northeast Winds 10 to 20 Mph. Chance of precipitation 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rigby Temperature Statistics

September Temperature

Rexburg, Rexburg-Madison County Airport (11.8 miles)

  • Lowest 1 September, 2025

    50 °F

  • Average September

    67.7 °F

  • Highest 2 September, 2025

    90 °F

Climate (2020–Present)

Rexburg, Rexburg-Madison County Airport (11.8 miles)

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  • Average Low 2020–2025

    33.4 °F

  • Average 2020–2025

    45.5 °F

  • Average High 2020–2025

    57.6 °F
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