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 8.1° 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 14% 24%

Weather forecast accuracy for Sioux City, Iowa

Last Month
The Weather Channel   74.04%
Weather Underground   73.26%
AccuWeather   72.12%
MeteoGroup   71.79%
Foreca   70.51%
Dark Sky (forecast.io)   68.27%
NWS Digital Forecast   63.67%
World Weather Online   58.33%
Persistence   47.44%
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

60.6% of Dark Sky (forecast.io)'s high temperature forecasts for Sioux City were within 3 degrees of actual temperatures last year.