Hysham Weather Forecast

    • 63
    • 90

    Rain Showers Likely

    • 60
    • 84

    Rain Showers Likely

    • 60
    • 79

    Chance Thunderstorms

    • 63
    • 91

    Slight Chance Thunderstorms

    • 62
    • 94

    Mostly Sunny

    • 63
    • 95

    Mostly Sunny

    • 63
    • 94

    Partly Sunny

Today 21 Jul Treasure

Increasing Clouds. Slight chance of Showers and Thunderstorms early in the Afternoon, then chance of Showers and Thunderstorms late in the afternoon. Some Thunderstorms may be severe late in the afternoon. Highs around 90. Northeast Winds 5 to 15 Mph. Chance of precipitation 30 percent.

Tonight 21 Jul Treasure

Mostly cloudy. Chance of Showers and Thunderstorms in the Evening, then slight chance of Thunderstorms overnight. Slight chance of Showers overnight. Some Thunderstorms may be severe in the evening. Lows in the lower 60s. Northeast Winds 5 to 15 Mph. Chance of precipitation 50 percent.

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Hysham Temperature Statistics

July Temperature

Miles City, Frank Wiley Field Airport (64.6 miles)

  • Lowest 12 July, 2025

    50.6 °F

  • Average July

    75.1 °F

  • Highest 9 July, 2025

    103.6 °F

Climate (2020–Present)

Miles City, Frank Wiley Field Airport (64.6 miles)

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  • Average Low 2020–2025

    35.4 °F

  • Average 2020–2025

    47.4 °F

  • Average High 2020–2025

    59.6 °F
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