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 5.3° 6.8°
Average change in low temperature day-to-day 5.4° 8.6°
Precipitation Last Month Last Year
Chance of dry day after a precip day 50% 60%
Chance of precip day after a dry day 13% 21%

Weather forecast accuracy for Great Falls, Montana

Last Month
AccuWeather   80.17%
MeteoGroup   79.02%
The Weather Channel   78.74%
Weather Underground   73.85%
CustomWeather   73.51%
National Weather Service   72.99%
Foreca   72.13%
WeatherBug   70.11%
Dark Sky (forecast.io)   68.97%
Persistence   54.67%
Last Year
MeteoGroup   72.16%
The Weather Channel   70.36%
Foreca   69.22%
WeatherBug   65.53%
Weather Underground   65.22%
AccuWeather   65.13%
CustomWeather   63.63%
National Weather Service   59.76%
Persistence   46.37%

ForecastAdvisor Fact

On average, National Weather Service's high temperature forecasts for Great Falls were off by 4.29 degrees last year.