Mastodon State Park Weather Forecast

    • 33
    • 47

    Rain/Sleet

    • 39
    • 47

    Rain Likely

    • 55
    • 68

    Rain

    • 52
    • 72

    Rain

    • 57
    • 74

    Rain Likely

    • 47
    • 79

    Rain Likely

    • 41
    • 64

    Chance Rain

Today 1 Mar Jefferson

Mostly cloudy. Much cooler with Highs in the upper 40s. Northeast Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 1 Mar Jefferson

Rain. A slight chance of snow this Evening, then a slight chance of sleet after midnight. Little or no snow and sleet accumulation. Lows in the lower 30s. Northeast Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of precipitation near 100 percent.

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Mastodon State Park Temperature Statistics

March Temperature

St. Louis Downtown Airport (18.6 miles)

  • Lowest

  • Average March

  • Highest

Climate (2021–Present)

St. Louis Downtown Airport (18.6 miles)

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  • Average Low 2021–2026

    47.5 °F
  • Average 2021–2026

    58.2 °F
  • Average High 2021–2026

    68.9 °F
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