Big Timber Weather Forecast

    • 67
    • 81

    Thunderstorms Likely

    • 50
    • 80

    Rain Showers

    • 44
    • 64

    Partly Sunny

    • 48
    • 66

    Mostly Cloudy

    • 53
    • 71

    Chance Rain Showers

    • 55
    • 77

    Slight Chance Thunderstorms

Today 18 May Northern Will

Mostly cloudy. Showers likely in the morning. A chance of Thunderstorms. A chance of Showers in the afternoon. Breezy. Highs around 80. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of precipitation 70 percent.

Tonight 18 May Northern Will

Mostly cloudy. A slight chance of Showers and Thunderstorms early in the evening. A slight chance of Showers and Thunderstorms after Midnight, then a chance of Showers and Thunderstorms late. Breezy with Lows in the upper 60s. South Winds 10 to 15 Mph, increasing to 15 to 20 Mph after midnight. Gusts up to 30 Mph. Chance of precipitation 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Timber Temperature Statistics

May Temperature

Joliet Regional Airport (1.2 miles)

  • Lowest 2 May, 2026

    29.8 °F

  • Average May

    55.8 °F

  • Highest 4 May, 2026

    81.7 °F

Climate (2021–Present)

Joliet Regional Airport (1.2 miles)

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  • Average Low 2021–2026

    43.7 °F

  • Average 2021–2026

    53.8 °F

  • Average High 2021–2026

    63.4 °F
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