Johnson Dam Rainfall Forecast

  • 20%
  • 25%
  • No Rain
  • 35%
  • 10%
  • 5%
  • 5%
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  • Rainfall Probability Forecast NOAA

  • Rain Today Real-Time

Johnson Dam Rainfall Statistics

October Rainfall

Hettinger, Hettinger Municipal Airport (20.5 miles)

  • Total Rainfall October

    1in

  • Daily Average October

    0.1in

  • Wettest Day 4 October, 2025

    0.6in

  • Wet Days October

    4/17 (24%)

Climate (2010–Present)

Hettinger, Hettinger Municipal Airport (20.5 miles)

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  • Annual Average 2020–2024

    11.5in

  • Monthly Average 2020–2025

    1.3in

  • Daily Average 2020–2025

    0.04in

  • Wettest Day 15 May, 2025

    3.6in
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