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 4.6° 6.8°
Average change in low temperature day-to-day 6.3° 7.0°
Precipitation Last Month Last Year
Chance of dry day after a precip day 67% 52%
Chance of precip day after a dry day 7% 19%

Weather forecast accuracy for Great Falls, Montana

Last Month
AccuWeather   78.49%
Foreca   78.09%
The Weather Channel   76.88%
Weather Underground   76.88%
MeteoGroup   75.27%
NWS Digital Forecast   70.02%
World Weather Online   69.54%
Dark Sky (forecast.io)   58.06%
Persistence   57.80%
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

72.2% of Weather Underground's high temperature forecasts for Great Falls were within 3 degrees of actual temperatures last year.