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 4.5° 7.6°
Average change in low temperature day-to-day 5.3° 8.5°
Precipitation Last Month Last Year
Chance of dry day after a precip day 75% 58%
Chance of precip day after a dry day 27% 24%

Weather forecast accuracy for Sioux City, Iowa

Last Month
Weather Underground   73.85%
The Weather Channel   73.06%
Foreca   71.67%
MeteoGroup   66.94%
AccuWeather   65.56%
Dark Sky (forecast.io)   65.56%
World Weather Online   63.61%
NWS Digital Forecast   61.39%
Persistence   46.67%
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

13.8% of Weather Underground's high temperature forecasts for Sioux City were exactly right last month.