Tatum Lake Weather Forecast

    • 12
    • 24

    Snow/Sleet

    • 7
    • 20

    Chance Wintry Mix

    • 8
    • 24

    Mostly Sunny

    • 15
    • 35

    Partly Sunny

    • 18
    • 36

    Partly Sunny

    • 24
    • 39

    Mostly Cloudy

Today 24 Jan Collin

Sleet with freezing rain likely. Sleet accumulation Dusting or very light. Additional ice accumulation of up to trace Amounts of an inch. Much Colder with Highs in the lower 20s. North Winds 10 to 15 Mph. Chance of precipitation 90 percent. Wind chill Values as low as 3 above.

Tonight 24 Jan Collin

Sleet with a chance of freezing rain in the Evening, then sleet with possible snow Showers and freezing rain after midnight. Precipitation may be heavy at Times after midnight. Around an inch of snow and sleet accumulation. Ice accumulation of up to less than one tenth of an inch. Colder with Lows around 12. North Winds 10 to 15 Mph. Chance of precipitation near 100 percent. Wind chill Values as low as 5 below.

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Tatum Lake Temperature Statistics

January Temperature

McKinney - McKinney National Airport (13.7 miles)

  • Lowest 18 January, 2026

    17.1 °F

  • Average January

    50.3 °F

  • Highest 8 January, 2026

    79.6 °F

Climate (2021–Present)

McKinney - McKinney National Airport (13.7 miles)

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  • Average Low 2021–2026

    56.1 °F

  • Average 2021–2026

    66.7 °F

  • Average High 2021–2026

    77.7 °F
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