Petersen Reservoir Weather Forecast

    • 72
    • 101

    Chance Thunderstorms

    • 63
    • 89

    Chance Rain Showers

    • 59
    • 78

    Rain Showers

    • 60
    • 77

    Rain Showers Likely

    • 63
    • 79

    Partly Sunny

    • 68
    • 91

    Mostly Sunny

    • 70
    • 97

    Mostly Sunny

Today 20 Jul Howard

Sunny with isolated Showers and Thunderstorms. Heat index Readings 105 to 110. Southwest Winds around 10 Mph. Chance of precipitation 20 percent.

Tonight 20 Jul Howard

Mostly clear with scattered Showers and Thunderstorms. Lows in the lower 70s. East Winds around 10 Mph shifting to the northeast after midnight. Chance of precipitation 30 percent. Highest heat index Readings 105 to 107 in the evening.

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Petersen Reservoir Temperature Statistics

July Temperature

Grand Island, Central Nebraska Regional Airport (27.3 miles)

  • Lowest 5 July, 2026

    60.7 °F

  • Average July

    78.4 °F

  • Highest 8 July, 2026

    95.6 °F

Climate (2021–2026)

Grand Island, Central Nebraska Regional Airport (27.3 miles)

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  • Average Low 2021–2026

    41.6 °F

  • Average 2021–2026

    53.5 °F

  • Average High 2021–2026

    66.2 °F
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