Grand River National Grassland Rainfall Forecast

  • 60%
  • 30%
  • 40%
  • 45%
  • 35%
  • 10%
  • 5%
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  • Rainfall Probability Forecast NOAA

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Grand River National Grassland Rainfall Statistics

September Rainfall

Hettinger, Hettinger Municipal Airport (22.4 miles)

  • Total Rainfall September

    0.4in

  • Daily Average September

    0.03in

  • Wettest Day 12 September, 2025

    0.1in

  • Wet Days September

    4/15 (27%)

Climate (2010–Present)

Hettinger, Hettinger Municipal Airport (22.4 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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