5-day weather forecast for Sioux City, Iowa

Weather changeability for Sioux City, Iowa

Temperature Last Month Last Year
Average change in high temperature day-to-day 8.5° 7.8°
Average change in low temperature day-to-day 9.6° 8.9°
Precipitation Last Month Last Year
Chance of dry day after a precip day 56% 62%
Chance of precip day after a dry day 24% 25%

Weather forecast accuracy for Sioux City, Iowa

Last Month
The Weather Channel   74.44%
Weather Underground   73.72%
AccuWeather   71.67%
MeteoGroup   70.56%
NWS Digital Forecast   68.06%
Foreca   66.39%
Dark Sky (forecast.io)   60.83%
Persistence   38.61%
Last Year
Weather Underground   72.71%
The Weather Channel   71.52%
MeteoGroup   69.59%
AccuWeather   68.08%
WeatherBug   67.57%
Foreca   66.78%
CustomWeather   65.33%
NWS Digital Forecast   64.63%
Persistence   42.58%

ForecastAdvisor Fact

ForecastWatch.com is the largest provider of weather forecast accuracy statistics.