Ottawa Rainfall Forecast

  • 50%
  • 45%
  • 10%
  • 30%
  • 40%
  • 40%
  • 5%
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  • Rainfall Probability Forecast NOAA

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Ottawa Rainfall Statistics

January Rainfall

Illinois Valley Regional Airport (15.5 miles)

  • Total Rainfall January

    0.9in

  • Daily Average January

    0.03in

  • Wettest Day 8 January, 2026

    0.5in

  • Wet Days January

    2/30 (7%)

Climate (2010–Present)

Illinois Valley Regional Airport (15.5 miles)

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  • Annual Average 2021–2025

    34.5in

  • Monthly Average 2021–2025

    2.9in

  • Daily Average 2021–2026

    0.1in

  • Wettest Day 14 December, 2022

    3.4in
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