Neff Reservoir Weather Forecast

    • 64
    • 95

    Isolated Thunderstorms

    • 63
    • 93

    Isolated Thunderstorms

    • 62
    • 95

    Chance Rain Showers

    • 62
    • 94

    Mostly Sunny

    • 63
    • 96

    Mostly Sunny

    • 65
    • 98

    Hot

    • 64
    • 101

    Hot

Today 27 Jul Natrona County Lower Elevations

Mostly cloudy and breezy. Highs in the lower 90s. North Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 27 Jul Natrona County Lower Elevations

Mostly cloudy with scattered Showers with isolated Thunderstorms in the Evening, then partly cloudy after midnight. Some Thunderstorms may produce gusty Winds in the evening. Breezy with Lows in the lower 60s. North Winds 15 to 20 Mph, becoming south around 10 Mph after midnight. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Neff Reservoir Temperature Statistics

July Temperature

Casper, Natrona County International Airport (37.3 miles)

  • Lowest 2 July, 2026

    46.7 °F

  • Average July

    76.2 °F

  • Highest 12 July, 2026

    103.6 °F

Climate (2021–2026)

Casper, Natrona County International Airport (37.3 miles)

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  • Average Low 2021–2026

    33.3 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    61.5 °F
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