Monarch Weather Forecast

    • 52
    • 79

    Becoming Sunny

    • 54
    • 84

    Mostly Sunny

    • 57
    • 84

    Partly Sunny

    • 55
    • 83

    Chance Rain Showers

    • 50
    • 78

    Slight Chance Thunderstorms

    • 53
    • 78

    Partly Sunny

Today 19 Aug Little Belt and Highwood Mountains

Sunny. Highs 72 to 80. West Winds 5 to 15 Mph with Gusts to around 30 Mph.

Tonight 19 Aug Little Belt and Highwood Mountains

Mostly clear. Lows 50 to 58. Northwest Winds up to 10 Mph with Gusts to around 25 Mph shifting to the south after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Monarch Temperature Statistics

August Temperature

Malmstrom Air Force Base (31.7 miles)

  • Lowest 4 August, 2026

    39.2 °F

  • Average August

    68.5 °F

  • Highest 1 August, 2026

    103.6 °F

Climate (2021–2026)

Malmstrom Air Force Base (31.7 miles)

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  • Average Low 2021–2026

    35.9 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    58.9 °F
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