Cook County Forest Preserve Rainfall Forecast

  • 100%
  • 85%
  • 10%
  • 45%
  • 10%
  • 20%
  • 30%
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  • Rainfall Probability Forecast NOAA

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Cook County Forest Preserve Rainfall Statistics

January Rainfall

Chicago, Chicago-O'Hare International Airport (2.5 miles)

  • Total Rainfall January

    0.3in

  • Daily Average January

    0.02in

  • Wettest Day 10 January, 2026

    0.2in

  • Wet Days January

    3/18 (17%)

Climate (2010–Present)

Chicago, Chicago-O'Hare International Airport (2.5 miles)

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  • Annual Average 2021–2025

    31.9in

  • Monthly Average 2021–2025

    2.7in

  • Daily Average 2021–2026

    0.1in

  • Wettest Day 2 July, 2023

    3.4in
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