Longs Reservoir Weather Forecast

    • 46
    • 80

    Breezy

    • 46
    • 75

    Mostly Sunny

    • 61
    • 87

    Partly Sunny

    • 54
    • 81

    Slight Chance Thunderstorms

    • 52
    • 72

    Chance Rain Showers

    • 46
    • 69

    Chance Rain Showers

Today 11 May Dawson

Mostly sunny and windy. Highs in the lower 80s. Southwest wind 10 to 15 Mph, increasing to northwest 20 to 30 Mph with Gusts up to 40 Mph in the afternoon.

Tonight 11 May Dawson

Mostly cloudy. Lows around 50. South wind around 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Longs Reservoir Temperature Statistics

May Temperature

Glendive, Dawson Community Airport (36 miles)

  • Lowest 6 May, 2026

    21.9 °F

  • Average May

    52 °F

  • Highest 8 May, 2026

    75 °F

Climate (2021–Present)

Glendive, Dawson Community Airport (36 miles)

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  • Average Low 2021–2026

    33.7 °F

  • Average 2021–2026

    45.1 °F

  • Average High 2021–2026

    56.6 °F
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