5-day weather forecast for Great Falls, Montana

Weather changeability for Great Falls, Montana

Temperature Last Month Last Year
Average change in high temperature day-to-day 7.1° 6.8°
Average change in low temperature day-to-day 12.8° 7.0°
Precipitation Last Month Last Year
Chance of dry day after a precip day 46% 52%
Chance of precip day after a dry day 38% 19%

Weather forecast accuracy for Great Falls, Montana

Last Month
Weather Underground   68.10%
Dark Sky (forecast.io)   68.10%
Foreca   67.82%
The Weather Channel   67.24%
AccuWeather   67.24%
NWS Digital Forecast   64.08%
MeteoGroup   63.51%
World Weather Online   56.90%
Persistence   36.78%
Last Year
The Weather Channel   74.02%
Weather Underground   73.65%
MeteoGroup   73.56%
Foreca   72.89%
AccuWeather   72.32%
Dark Sky (forecast.io)   67.56%
NWS Digital Forecast   64.43%
World Weather Online   61.15%
Persistence   46.83%

ForecastAdvisor Fact

59.5% of Dark Sky (forecast.io)'s high temperature forecasts for Great Falls were within 3 degrees of actual temperatures last year.