Green Castle Recreation Area Rainfall Forecast

  • No Rain
  • 15%
  • 70%
  • 75%
  • 85%
  • 55%
  • 55%
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  • Rainfall Probability Forecast NOAA

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Green Castle Recreation Area Rainfall Statistics

September Rainfall

Marshalltown, Marshalltown Municipal Airport (12.4 miles)

  • Total Rainfall September

    0.9in

  • Daily Average September

    0.1in

  • Wettest Day 8 September, 2026

    0.6in

  • Wet Days September

    4/11 (36%)

Climate (2021–2025)

Marshalltown, Marshalltown Municipal Airport (12.4 miles)

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  • Annual Average 2021–2025

    26.6in

  • Monthly Average 2021–2026

    2.5in

  • Daily Average 2021–2026

    0.1in

  • Wettest Day 17 June, 2026

    3.4in
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