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 5.6° 7.6°
Average change in low temperature day-to-day 8.1° 8.5°
Precipitation Last Month Last Year
Chance of dry day after a precip day 30% 58%
Chance of precip day after a dry day 25% 24%

Weather forecast accuracy for Sioux City, Iowa

Last Month
The Weather Channel   77.78%
Weather Underground   77.16%
AccuWeather   72.84%
Foreca   71.91%
NWS Digital Forecast   71.52%
MeteoGroup   70.06%
Dark Sky (forecast.io)   68.83%
World Weather Online   57.69%
Persistence   46.79%
Last Year
Weather Underground   72.69%
The Weather Channel   72.51%
MeteoGroup   72.00%
AccuWeather   71.21%
Foreca   70.74%
NWS Digital Forecast   68.64%
Dark Sky (forecast.io)   65.96%
World Weather Online   59.81%
Persistence   43.81%

ForecastAdvisor Fact

61.9% of Weather Underground's low temperature forecasts for Sioux City were within 3 degrees of actual temperatures last year.