Thunder Basin National Grassland Weather Forecast

    • 28
    • 42

    Partly Sunny

    • 29
    • 50

    Partly Sunny

    • 36
    • 54

    Partly Sunny

    • 33
    • 52

    Mostly Cloudy

    • 33
    • 53

    Mostly Sunny

    • 20
    • 47

    Partly Sunny

Today 10 Jan Southern Campbell

Partly cloudy. Highs around 40. Northwest Winds 10 to 20 Mph with Gusts up to 35 Mph.

Tonight 10 Jan Southern Campbell

Mostly clear in the Evening, then becoming partly cloudy. Lows in the mid 20s. West Winds 10 to 15 Mph with Gusts up to 25 Mph.

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Thunder Basin National Grassland Temperature Statistics

January Temperature

Douglas, Converse County Airport (51 miles)

  • Lowest 7 January, 2026

    27 °F

  • Average January

    43.3 °F

  • Highest 3 January, 2026

    59 °F

Climate (2021–Present)

Douglas, Converse County Airport (51 miles)

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  • Average Low 2021–2026

    32.9 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    62.2 °F
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