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 10.5° 6.4°
Average change in low temperature day-to-day 8.1° 8.0°
Precipitation Last Month Last Year
Chance of dry day after a precip day 67% 72%
Chance of precip day after a dry day 23% 24%

Weather forecast accuracy for Sioux City, Iowa

Last Month
MeteoGroup   71.77%
The Weather Channel   71.24%
Weather Underground   71.24%
Foreca   69.09%
AccuWeather   68.01%
NWS Digital Forecast   66.94%
Dark Sky (forecast.io)   62.37%
World Weather Online   54.03%
Persistence   42.47%
Last Year
The Weather Channel   73.03%
Weather Underground   72.69%
Foreca   71.96%
MeteoGroup   71.27%
AccuWeather   70.35%
Dark Sky (forecast.io)   66.76%
NWS Digital Forecast   64.73%
World Weather Online   60.92%
Persistence   44.68%

ForecastAdvisor Fact

9.6% of Foreca's low temperature forecasts for Sioux City were exactly right last year.