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 9.1° 7.6°
Average change in low temperature day-to-day 10.2° 8.5°
Precipitation Last Month Last Year
Chance of dry day after a precip day 78% 58%
Chance of precip day after a dry day 40% 24%

Weather forecast accuracy for Sioux City, Iowa

Last Month
MeteoGroup   65.83%
The Weather Channel   64.44%
Weather Underground   63.61%
Foreca   63.61%
AccuWeather   60.83%
Dark Sky (forecast.io)   60.83%
NWS Digital Forecast   57.22%
World Weather Online   52.22%
Persistence   35.63%
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

On average, AccuWeather's low temperature forecasts for Sioux City were off by 3.24 degrees last year.