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 8.6° 7.2°
Average change in low temperature day-to-day 6.0° 8.3°
Precipitation Last Month Last Year
Chance of dry day after a precip day 31% 61%
Chance of precip day after a dry day 18% 18%

Weather forecast accuracy for Great Falls, Montana

Last Month
AccuWeather   73.28%
MeteoGroup   71.55%
Weather Underground   70.69%
The Weather Channel   70.11%
NWS Digital Forecast   69.54%
Foreca   67.24%
Dark Sky (forecast.io)   66.67%
World Weather Online   61.61%
Persistence   42.22%
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

On average, Persistence's high temperature forecasts for Great Falls were off by 9.98 degrees last year.