Helena Rainfall Forecast

  • No Rain
  • 5%
  • 80%
  • 25%
  • 25%
  • No Rain
  • No Rain
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  • Rainfall Probability Forecast NOAA

  • Rain Today Real-Time

Helena Rainfall Statistics

September Rainfall

Mount Carmel, Mount Carmel Municipal Airport (7.5 miles)

  • Total Rainfall September

    2.1in

  • Daily Average September

    0.1in

  • Wettest Day 12 September, 2026

    0.9in

  • Wet Days September

    4/30 (13%)

Climate (2021–2025)

Mount Carmel, Mount Carmel Municipal Airport (7.5 miles)

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  • Annual Average 2021–2025

    22.3in

  • Monthly Average 2021–2026

    1.7in

  • Daily Average 2021–2026

    0.1in

  • Wettest Day 5 June, 2025

    6in
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