Castalia Rainfall Forecast

  • 40%
  • 70%
  • 70%
  • 45%
  • 35%
  • 35%
  • 20%
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  • Rainfall Probability Forecast NOAA

  • Rain Today Real-Time

Castalia Rainfall Statistics

September Rainfall

Decorah (11.8 miles)

  • Total Rainfall September

    0.8in

  • Daily Average September

    0.05in

  • Wettest Day 10 September, 2025

    0.4in

  • Wet Days September

    6/18 (33%)

Climate (2010–Present)

Decorah (11.8 miles)

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  • Annual Average 2020–2024

    23.7in

  • Monthly Average 2020–2025

    2in

  • Daily Average 2020–2025

    0.1in

  • Wettest Day 21 May, 2024

    3.7in
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