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 5.3° 8.3°
Precipitation Last Month Last Year
Chance of dry day after a precip day 60% 61%
Chance of precip day after a dry day 30% 18%

Weather forecast accuracy for Great Falls, Montana

Last Month
Weather Underground   73.85%
The Weather Channel   73.06%
AccuWeather   72.78%
MeteoGroup   72.50%
Foreca   71.11%
NWS Digital Forecast   67.24%
Dark Sky (forecast.io)   66.67%
World Weather Online   59.17%
Persistence   44.17%
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.