Rapid City Rainfall Forecast

  • 15%
  • 40%
  • 75%
  • 50%
  • 20%
  • 10%
  • 5%
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  • Rainfall Probability Forecast NOAA

  • Rain Today Real-Time

Rapid City Rainfall Statistics

September Rainfall

Ellsworth Air Force Base (8.1 miles)

  • Total Rainfall September

    0.01in

  • Daily Average September

    0in

  • Wettest Day 13 September, 2025

    0.01in

  • Wet Days September

    1/15 (7%)

Climate (2010–Present)

Ellsworth Air Force Base (8.1 miles)

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  • Annual Average 2020–2024

    27.5in

  • Monthly Average 2020–2025

    2.3in

  • Daily Average 2020–2025

    0.1in

  • Wettest Day 5 October, 2020

    5.7in
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