St Marys Rainfall Forecast

  • No Rain
  • 30%
  • 75%
  • 45%
  • 75%
  • 60%
  • 45%
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  • Rainfall Probability Forecast NOAA

  • Rain Today Real-Time

St Marys Rainfall Statistics

September Rainfall

Des Moines International Airport (16.2 miles)

  • Total Rainfall September

    4.9in
  • Daily Average September

    0.6in
  • Wettest Day 8 September, 2026

    3.4in
  • Wet Days September

    3/11 (27%)

Climate (2021–2025)

Des Moines International Airport (16.2 miles)

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  • Annual Average 2021–2025

    31.2in
  • Monthly Average 2021–2026

    2.8in
  • Daily Average 2021–2026

    0.1in
  • Wettest Day 19 May, 2025

    3.8in
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