Mandan Lake Weather Forecast

    • 65
    • 99

    Chance Thunderstorms

    • 72
    • 103

    Slight Chance Thunderstorms

    • 66
    • 102

    Hot

    • 66
    • 95

    Partly Sunny

    • 66
    • 94

    Slight Chance Thunderstorms

    • 66
    • 96

    Slight Chance Thunderstorms

Today 24 Jul Oliver

Mostly sunny. A chance of Showers and Thunderstorms in the afternoon. Patchy smoke in the afternoon. Highs in the upper 90s. Southwest Winds 10 to 15 Mph, becoming west in the afternoon. Gusts up to 30 Mph. Chance of rain 30 percent.

Tonight 24 Jul Oliver

Partly cloudy. Patchy smoke. Lows in the mid 60s. Northwest Winds around 5 Mph with Gusts up to 25 Mph, becoming southwest after midnight.

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Mandan Lake Temperature Statistics

July Temperature

HAZEN (18.6 miles)

  • Lowest 18 July, 2026

    50 °F

  • Average July

    74.5 °F

  • Highest 12 July, 2026

    104 °F

Climate (2021–2026)

HAZEN (18.6 miles)

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  • Average Low 2021–2026

    30.4 °F

  • Average 2021–2026

    43.1 °F

  • Average High 2021–2026

    54.9 °F
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