Bismark Lake Rainfall Forecast

  • 5%
  • 25%
  • 15%
  • No Rain
  • 5%
  • No Rain
  • No Rain
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  • Rainfall Probability Forecast NOAA

  • Rain Today Real-Time

Bismark Lake Rainfall Statistics

January Rainfall

Custer, Custer County Airport (5.6 miles)

  • Total Rainfall January

    0.04in

  • Daily Average January

    0in

  • Wettest Day 8 January, 2026

    0.02in

  • Wet Days January

    2/14 (14%)

Climate (2010–Present)

Custer, Custer County Airport (5.6 miles)

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  • Annual Average 2021–2025

    18.1in

  • Monthly Average 2021–2025

    1.5in

  • Daily Average 2021–2026

    0.1in

  • Wettest Day 12 October, 2023

    2in
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