Roberts Slough Weather Forecast

    • 55
    • 88

    Isolated Thunderstorms

    • 53
    • 84

    Slight Chance Thunderstorms

    • 52
    • 85

    Mostly Sunny

    • 53
    • 87

    Mostly Sunny

    • 51
    • 89

    Mostly Sunny

    • 50
    • 90

    Mostly Sunny

    • 51
    • 90

    Mostly Sunny

Today 21 Jul Upper Snake River Plain

Mostly sunny. Isolated Showers and Thunderstorms in the afternoon. Windy. Some Thunderstorms may produce gusty Winds in the afternoon. Highs 83 to 91. Southeast Winds 10 to 15 Mph increasing to southwest 20 to 30 Mph in the afternoon.

Tonight 21 Jul Upper Snake River Plain

Mostly cloudy with isolated Showers and Thunderstorms in the evening. Then partly cloudy with isolated rain Showers after midnight. Breezy. Some Thunderstorms may produce gusty Winds in the evening. Lows 52 to 59. Southwest Winds 15 to 25 Mph. Decreasing to 10 to 15 Mph after midnight.

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Roberts Slough Temperature Statistics

July Temperature

Idaho Falls Regional Airport (13.7 miles)

  • Lowest 17 July, 2025

    44.7 °F

  • Average July

    70.3 °F

  • Highest 1 July, 2025

    97.6 °F

Climate (2020–Present)

Idaho Falls Regional Airport (13.7 miles)

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  • Average Low 2020–2025

    33 °F

  • Average 2020–2025

    46 °F

  • Average High 2020–2025

    58.9 °F
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