Longs Reservoir Weather Forecast

    • 54
    • 77

    Rain Showers

    • 49
    • 71

    Chance Rain Showers

    • 49
    • 69

    Rain Showers Likely

    • 52
    • 72

    Chance Rain Showers

    • 54
    • 79

    Chance Rain Showers

    • 58
    • 84

    Slight Chance Thunderstorms

    • 59
    • 88

    Chance Thunderstorms

Today 27 Jun Dawson

Partly sunny with a 40 percent chance of Thunderstorms. Some Thunderstorms may be severe. Near steady temperature in the lower 80s. Northwest wind around 10 Mph.

Tonight 27 Jun Dawson

Showers with a chance of Thunderstorms in the Evening, then a chance of Showers with a slight chance of Thunderstorms after midnight. Some Thunderstorms may be severe. Lows in the mid 50s. West wind 5 to 10 Mph, becoming southwest after midnight. Chance of rain 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Longs Reservoir Temperature Statistics

June Temperature

Glendive, Dawson Community Airport (36 miles)

  • Lowest 1 June, 2026

    45 °F

  • Average June

    62.8 °F

  • Highest 6 June, 2026

    93 °F

Climate (2021–2026)

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

    56.5 °F
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