Treaty Line Prairie Conservation Area Weather Forecast

    • 61
    • 79

    Mostly Cloudy

    • 55
    • 79

    Partly Sunny

    • 54
    • 79

    Mostly Sunny

    • 57
    • 80

    Partly Sunny

    • 61
    • 79

    Mostly Cloudy

    • 62
    • 80

    Chance Rain Showers

Today 21 Sep Barton

Mostly cloudy. A slight chance of Showers and Thunderstorms after midnight. Patchy fog after midnight. Not as warm. Humid with Highs in the upper 70s. North Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 21 Sep Barton

Mostly cloudy. Humid with Lows in the lower 60s. North Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Treaty Line Prairie Conservation Area Temperature Statistics

September Temperature

Joplin, Joplin Regional Airport (26.1 miles)

  • Lowest 11 September, 2026

    65.6 °F

  • Average September

    86.6 °F

  • Highest 6 September, 2026

    104.6 °F

Climate (2021–2026)

Joplin, Joplin Regional Airport (26.1 miles)

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  • Average Low 2021–2026

    50.3 °F

  • Average 2021–2026

    61 °F

  • Average High 2021–2026

    71.8 °F
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