Walnut Grove Weather Forecast

    • 62
    • 81

    Chance Thunderstorms

    • 62
    • 84

    Chance Thunderstorms

    • 68
    • 87

    Chance Thunderstorms

    • 67
    • 88

    Thunderstorms Likely

    • 56
    • 83

    Rain Showers Likely

    • 52
    • 74

    Chance Rain Showers

Today 15 May McDonough

Cloudy with Showers with a chance of Thunderstorms Early, then mostly sunny. Highs in the lower 80s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 90 percent.

Tonight 15 May McDonough

Partly cloudy in the Evening, then mostly cloudy with a chance of Showers and Thunderstorms after midnight. Lows in the lower 60s. Southeast Winds 10 to 15 Mph, becoming southwest 5 to 10 Mph after midnight. Chance of rain 50 percent.

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Walnut Grove Temperature Statistics

May Temperature

Macomb Municipal Airport (8.1 miles)

  • Lowest 1 May, 2026

    35.2 °F

  • Average May

    56.6 °F

  • Highest 12 May, 2026

    84.7 °F

Climate (2021–Present)

Macomb Municipal Airport (8.1 miles)

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  • Average Low 2021–2026

    42.9 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    64.3 °F
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