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 8.9° 7.6°
Average change in low temperature day-to-day 7.5° 8.5°
Precipitation Last Month Last Year
Chance of dry day after a precip day 55% 58%
Chance of precip day after a dry day 32% 24%

Weather forecast accuracy for Sioux City, Iowa

Last Month
AccuWeather   72.41%
Weather Underground   70.98%
The Weather Channel   70.11%
Foreca   70.11%
MeteoGroup   68.68%
Dark Sky (forecast.io)   63.51%
NWS Digital Forecast   61.78%
World Weather Online   59.48%
Persistence   44.72%
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

57.5% of The Weather Channel's low temperature forecasts for Sioux City were within 3 degrees of actual temperatures last month.