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 11.7° 7.2°
Average change in low temperature day-to-day 9.3° 7.9°
Precipitation Last Month Last Year
Chance of dry day after a precip day 80% 61%
Chance of precip day after a dry day 13% 24%
 
 

Weather forecast accuracy for Sioux City, Iowa

Last Month
MeteoGroup   75.56%
Weather Underground   74.72%
The Weather Channel   71.39%
Foreca   69.17%
AccuWeather   67.22%
WeatherBug   65.28%
CustomWeather   61.94%
National Weather Service   61.94%
Dark Sky (forecast.io)   61.94%
Persistence   47.99%
Last Year
MeteoGroup   70.68%
WeatherBug   68.83%
The Weather Channel   68.67%
National Weather Service   68.37%
Foreca   67.63%
AccuWeather   67.03%
Weather Underground   66.40%
CustomWeather   64.13%
Persistence   43.63%
 

ForecastAdvisor Fact

38.9% of CustomWeather's low temperature forecasts for Sioux City were within 3 degrees of actual temperatures last month.