Decker Weather Forecast

    • 31
    • 68

    Snow

    • 22
    • 43

    Snow

    • 25
    • 46

    Slight Chance Snow

    • 32
    • 55

    Partly Sunny

    • 31
    • 63

    Rain/Snow Likely

    • 23
    • 40

    Snow Likely

    • 22
    • 44

    Partly Sunny

Today 13 Mar Southern Big Horn

Mostly cloudy. Highs in the upper 60s. Southwest Winds 5 to 15 Mph.

Tonight 13 Mar Southern Big Horn

Chance of rain late in the evening. Rain likely Overnight, then rain and snow after 3 am. No snow accumulation. Lows in the lower 30s. Southeast Winds 5 to 15 Mph in the evening shifting to the northwest 10 to 20 Mph overnight. Chance of precipitation 90 percent.

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Decker Temperature Statistics

March Temperature

Sheridan County Airport (18 miles)

  • Lowest 7 March, 2025

    10.9 °F

  • Average March

    38.9 °F

  • Highest 10 March, 2025

    64.9 °F

Climate (2020–Present)

Sheridan County Airport (18 miles)

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  • Average Low 2020–2025

    33 °F

  • Average 2020–2025

    47 °F

  • Average High 2020–2025

    61.4 °F
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