Great Falls Rainfall Forecast

  • 5%
  • 100%
  • 75%
  • No Rain
  • No Rain
  • 40%
  • 55%
Graph Plots Open in Graphs

  • Rainfall Probability Forecast NOAA

  • Rain Today Real-Time

Great Falls Rainfall Statistics

January Rainfall

Lancaster County-mc Whirter Field (10.6 miles)

  • Total Rainfall January

    0.7in

  • Daily Average January

    0.02in

  • Wettest Day 18 January, 2026

    0.4in

  • Wet Days January

    8/30 (27%)

Climate (2010–Present)

Lancaster County-mc Whirter Field (10.6 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Annual Average 2021–2025

    42.1in

  • Monthly Average 2021–2025

    3.5in

  • Daily Average 2021–2026

    0.1in

  • Wettest Day 8 March, 2021

    11.6in
Get WillyWeather+ to remove ads