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 5.8° 7.2°
Average change in low temperature day-to-day 7.9° 7.9°
Precipitation Last Month Last Year
Chance of dry day after a precip day 56% 61%
Chance of precip day after a dry day 24% 24%
 
 

Weather forecast accuracy for Sioux City, Iowa

Last Month
Weather Underground   80.56%
The Weather Channel   78.06%
National Weather Service   76.11%
WeatherBug   75.23%
AccuWeather   74.72%
Foreca   73.53%
MeteoGroup   72.50%
Dark Sky (forecast.io)   70.56%
CustomWeather   66.39%
Persistence   43.33%
Last Year
MeteoGroup   70.68%
WeatherBug   68.83%
The Weather Channel   68.67%
National Weather Service   68.37%
Foreca   67.63%
AccuWeather   67.03%
Weather Underground   66.40%
CustomWeather   64.13%
Persistence   43.63%
 

ForecastAdvisor Fact

8.8% of WeatherBug's low temperature forecasts for Sioux City were exactly right last year.