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 7.3° 6.4°
Average change in low temperature day-to-day 10.4° 7.9°
Precipitation Last Month Last Year
Chance of dry day after a precip day 50% 68%
Chance of precip day after a dry day 30% 23%

Weather forecast accuracy for Sioux City, Iowa

Last Month
NWS Digital Forecast   76.39%
AccuWeather   65.83%
Foreca   65.83%
The Weather Channel   65.28%
MeteoGroup   64.44%
Weather Underground   64.37%
Dark Sky (forecast.io)   63.06%
World Weather Online   59.17%
Persistence   40.00%
Last Year
The Weather Channel   76.09%
Weather Underground   76.03%
Foreca   74.47%
AccuWeather   74.36%
MeteoGroup   73.12%
NWS Digital Forecast   68.22%
Dark Sky (forecast.io)   67.72%
World Weather Online   57.86%
Persistence   45.66%

ForecastAdvisor Fact

It rained or snowed 65% of the time in Sioux City last year when AccuWeather's text forecasts called for precipitation, and 11% of the time when they did not.