Thief Lake Weather Forecast

    • 61
    • 76

    Slight Chance Thunderstorms

    • 64
    • 82

    Chance Thunderstorms

    • 61
    • 80

    Rain Showers Likely

    • 58
    • 73

    Partly Sunny

    • 56
    • 71

    Partly Sunny

    • 58
    • 74

    Slight Chance Rain Showers

Today 6 Aug East Marshall

Mostly cloudy in the morning then clearing. A slight chance of Showers. A slight chance of Thunderstorms this afternoon. Highs 80 to 85. South Winds 10 to 20 Mph. Chance of rain 20 percent.

Tonight 6 Aug East Marshall

Mostly clear. Lows 60 to 65. Southwest Winds 5 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Thief Lake Temperature Statistics

August Temperature

Roseau, Roseau Municipal Airport/Rudy Billberg Field (26.1 miles)

  • Lowest 1 August, 2025

    48.2 °F

  • Average August

    65.5 °F

  • Highest 3 August, 2025

    78.8 °F

Climate (2020–Present)

Roseau, Roseau Municipal Airport/Rudy Billberg Field (26.1 miles)

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  • Average Low 2020–2025

    32.1 °F

  • Average 2020–2025

    42 °F

  • Average High 2020–2025

    51.3 °F
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