Grand River National Grassland Rainfall Forecast

  • No Rain
  • 15%
  • 30%
  • 60%
  • No Rain
  • 25%
  • 10%
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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

    0.1in

  • Daily Average September

    0.01in

  • Wettest Day 8 September, 2026

    0.03in

  • Wet Days September

    2/11 (18%)

Climate (2021–2025)

Hettinger, Hettinger Municipal Airport (22.4 miles)

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  • Annual Average 2021–2025

    15.6in

  • Monthly Average 2021–2026

    1.4in

  • Daily Average 2021–2026

    0.05in

  • Wettest Day 15 May, 2025

    3.6in
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