McLean Rainfall Forecast

  • 40%
  • 20%
  • 65%
  • 65%
  • 25%
  • 5%
  • No Rain
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  • Rainfall Probability Forecast NOAA

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McLean Rainfall Statistics

September Rainfall

Logan County Airport (13.7 miles)

  • Total Rainfall September

    2.9in

  • Daily Average September

    0.2in

  • Wettest Day 16 September, 2026

    2.9in

  • Wet Days September

    1/18 (6%)

Climate (2021–2025)

Logan County Airport (13.7 miles)

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  • Annual Average 2021–2025

    37.4in

  • Monthly Average 2021–2026

    3.6in

  • Daily Average 2021–2026

    0.1in

  • Wettest Day 22 February, 2023

    6.4in
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