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 3.8° 7.6°
Average change in low temperature day-to-day 6.9° 8.5°
Precipitation Last Month Last Year
Chance of dry day after a precip day 100% 58%
Chance of precip day after a dry day 23% 24%

Weather forecast accuracy for Sioux City, Iowa

Last Month
MeteoGroup   71.39%
Foreca   71.11%
The Weather Channel   69.17%
AccuWeather   68.89%
Weather Underground   68.68%
Dark Sky (forecast.io)   65.28%
World Weather Online   60.56%
NWS Digital Forecast   54.44%
Persistence   47.99%
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

17.8% of AccuWeather's high temperature forecasts for Sioux City were exactly right last month.