Olson Airport Rainfall Forecast

  • No Rain
  • 85%
  • 50%
  • 10%
  • 15%
  • 20%
  • 10%
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  • Rainfall Probability Forecast NOAA

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Olson Airport Rainfall Statistics

January Rainfall

Chicago / West Chicago, Dupage Airport (13 miles)

  • Total Rainfall January

    1.2in

  • Daily Average January

    0.1in

  • Wettest Day 8 January, 2026

    0.9in

  • Wet Days January

    4/20 (20%)

Climate (2010–Present)

Chicago / West Chicago, Dupage Airport (13 miles)

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  • Annual Average 2021–2025

    29.1in

  • Monthly Average 2021–2025

    2.4in

  • Daily Average 2021–2026

    0.1in

  • Wettest Day 28 July, 2023

    3.2in
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