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 3.2° 7.6°
Average change in low temperature day-to-day 6.8° 8.5°
Precipitation Last Month Last Year
Chance of dry day after a precip day 71% 58%
Chance of precip day after a dry day 23% 24%

Weather forecast accuracy for Sioux City, Iowa

Last Month
The Weather Channel   81.67%
Weather Underground   81.67%
AccuWeather   79.17%
MeteoGroup   78.89%
Foreca   75.00%
Dark Sky (forecast.io)   72.22%
NWS Digital Forecast   70.83%
World Weather Online   70.00%
Persistence   46.55%
Last Year
Weather Underground   72.69%
The Weather Channel   72.51%
MeteoGroup   72.00%
AccuWeather   71.21%
Foreca   70.74%
NWS Digital Forecast   68.64%
Dark Sky (forecast.io)   65.96%
World Weather Online   59.81%
Persistence   43.81%

ForecastAdvisor Fact

63.3% of Foreca's high temperature forecasts for Sioux City were within 3 degrees of actual temperatures last month.