Treaty Line Prairie Conservation Area Weather Forecast

    • 65
    • 91

    Thunderstorms

    • 63
    • 90

    Chance Rain Showers

    • 62
    • 85

    Chance Thunderstorms

    • 62
    • 80

    Chance Rain Showers

    • 64
    • 83

    Chance Thunderstorms

    • 64
    • 85

    Chance Thunderstorms

Today 16 Sep Barton

Sunny. Scattered Showers and Thunderstorms this afternoon. Hot with Highs in the lower 90s. Light and variable Winds, becoming northeast around 5 Mph this afternoon. Chance of rain 30 percent.

Tonight 16 Sep Barton

Partly cloudy with scattered Showers and Thunderstorms in the Evening, then mostly clear after midnight. Humid with Lows in the mid 60s. Southeast Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 30 percent.

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  • Temperature Real-Time

Treaty Line Prairie Conservation Area Temperature Statistics

September Temperature

Joplin, Joplin Regional Airport (26.1 miles)

  • Lowest 7 September, 2025

    52 °F

  • Average September

    71.4 °F

  • Highest 12 September, 2025

    91.9 °F

Climate (2020–Present)

Joplin, Joplin Regional Airport (26.1 miles)

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  • Average Low 2020–2025

    49.5 °F

  • Average 2020–2025

    60 °F

  • Average High 2020–2025

    70.6 °F
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