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 6.6° 7.8°
Average change in low temperature day-to-day 7.4° 8.9°
Precipitation Last Month Last Year
Chance of dry day after a precip day 25% 62%
Chance of precip day after a dry day 8% 25%

Weather forecast accuracy for Sioux City, Iowa

Last Month
Weather Underground   77.78%
MeteoGroup   76.39%
NWS Digital Forecast   75.88%
The Weather Channel   74.72%
AccuWeather   74.17%
Foreca   72.78%
Dark Sky (forecast.io)   70.00%
Persistence   51.90%
Last Year
Weather Underground   72.71%
The Weather Channel   71.52%
MeteoGroup   69.59%
AccuWeather   68.08%
WeatherBug   67.57%
Foreca   66.78%
CustomWeather   65.33%
NWS Digital Forecast   64.63%
Persistence   42.58%

ForecastAdvisor Fact

9.0% of The Weather Channel's low temperature forecasts for Sioux City were exactly right last year.