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 6.8° 6.4°
Average change in low temperature day-to-day 6.9° 8.0°
Precipitation Last Month Last Year
Chance of dry day after a precip day 78% 72%
Chance of precip day after a dry day 29% 24%

Weather forecast accuracy for Sioux City, Iowa

Last Month
AccuWeather   84.23%
The Weather Channel   82.44%
Weather Underground   82.44%
Foreca   79.76%
MeteoGroup   76.19%
NWS Digital Forecast   72.02%
Dark Sky (forecast.io)   70.54%
World Weather Online   63.10%
Persistence   42.78%
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.