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 5.5° 7.6°
Average change in low temperature day-to-day 5.6° 8.5°
Precipitation Last Month Last Year
Chance of dry day after a precip day 45% 58%
Chance of precip day after a dry day 25% 24%

Weather forecast accuracy for Sioux City, Iowa

Last Month
The Weather Channel   77.50%
Weather Underground   77.30%
MeteoGroup   76.67%
Foreca   74.17%
NWS Digital Forecast   68.89%
Dark Sky (forecast.io)   68.89%
AccuWeather   68.33%
World Weather Online   63.79%
Persistence   48.12%
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

31.2% of Persistence's high temperature forecasts for Sioux City were off by more than 10 degrees last month.