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 3.9° 6.4°
Average change in low temperature day-to-day 5.9° 8.0°
Precipitation Last Month Last Year
Chance of dry day after a precip day 64% 72%
Chance of precip day after a dry day 35% 24%

Weather forecast accuracy for Sioux City, Iowa

Last Month
Foreca   82.80%
The Weather Channel   81.72%
Weather Underground   81.72%
AccuWeather   81.18%
MeteoGroup   80.91%
Dark Sky (forecast.io)   74.46%
NWS Digital Forecast   73.02%
World Weather Online   55.28%
Persistence   48.92%
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

11.1% of NWS Digital Forecast's low temperature forecasts for Sioux City were exactly right last month.