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 6.2° 7.2°
Average change in low temperature day-to-day 10.0° 8.3°
Precipitation Last Month Last Year
Chance of dry day after a precip day 71% 61%
Chance of precip day after a dry day 27% 18%

Weather forecast accuracy for Great Falls, Montana

Last Month
Foreca   76.72%
Weather Underground   71.55%
The Weather Channel   71.26%
MeteoGroup   68.15%
AccuWeather   68.10%
NWS Digital Forecast   64.83%
Dark Sky (forecast.io)   61.49%
World Weather Online   59.82%
Persistence   41.38%
Last Year
The Weather Channel   72.40%
Weather Underground   72.25%
MeteoGroup   71.44%
Foreca   70.99%
AccuWeather   69.58%
NWS Digital Forecast   63.88%
Dark Sky (forecast.io)   63.23%
World Weather Online   61.57%
Persistence   45.36%

ForecastAdvisor Fact

5.2% of NWS Digital Forecast's high temperature forecasts for Great Falls were off by more than 10 degrees last year.