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 5.9° 6.4°
Average change in low temperature day-to-day 8.7° 8.0°
Precipitation Last Month Last Year
Chance of dry day after a precip day 75% 72%
Chance of precip day after a dry day 27% 24%

Weather forecast accuracy for Sioux City, Iowa

Last Month
Foreca   75.83%
AccuWeather   74.17%
The Weather Channel   73.92%
Weather Underground   73.39%
MeteoGroup   72.58%
NWS Digital Forecast   63.37%
World Weather Online   63.17%
Dark Sky (forecast.io)   60.75%
Persistence   37.26%
Last Year
The Weather Channel   73.03%
Weather Underground   72.69%
Foreca   71.96%
MeteoGroup   71.27%
AccuWeather   70.35%
Dark Sky (forecast.io)   66.76%
NWS Digital Forecast   64.73%
World Weather Online   60.92%
Persistence   44.68%

ForecastAdvisor Fact

2.2% of Weather Underground's high temperature forecasts for Sioux City were off by more than 10 degrees last year.