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 10.1° 6.8°
Average change in low temperature day-to-day 8.5° 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 32% 19%

Weather forecast accuracy for Great Falls, Montana

Last Month
Foreca   76.72%
MeteoGroup   76.08%
AccuWeather   76.08%
The Weather Channel   75.54%
Weather Underground   75.54%
NWS Digital Forecast   73.92%
Dark Sky (forecast.io)   66.13%
World Weather Online   56.99%
Persistence   34.68%
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

7.1% of Weather Underground's low temperature forecasts for Great Falls were exactly right last year.