Flat Prairie Weather Forecast

    • 68
    • 95

    Chance Thunderstorms

    • 67
    • 91

    Chance Thunderstorms

    • 70
    • 93

    Partly Sunny

    • 70
    • 92

    Chance Thunderstorms

    • 68
    • 90

    Chance Thunderstorms

    • 64
    • 86

    Chance Rain Showers

Today 18 Sep Fannin

Sunny. A slight chance of Showers and perhaps an isolated thunderstorm this afternoon. Highs in the mid 90s. Temperatures falling into the upper 80s this afternoon. Southwest Winds around 5 Mph. Chance of rain 20 percent.

Tonight 18 Sep Fannin

Partly cloudy with a 40 percent chance of Showers and Thunderstorms. Lows in the upper 60s. East Winds around 5 Mph in the Evening, becoming light and variable.

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Flat Prairie Temperature Statistics

September Temperature

Greenville / Majors (27.3 miles)

  • Lowest 9 September, 2025

    55.4 °F

  • Average September

    76 °F

  • Highest 4 September, 2025

    98.6 °F

Climate (2020–Present)

Greenville / Majors (27.3 miles)

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  • Average Low 2020–2025

    54.4 °F

  • Average 2020–2025

    65.1 °F

  • Average High 2020–2025

    76.4 °F
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