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° 6.4°
Average change in low temperature day-to-day 9.1° 8.0°
Precipitation Last Month Last Year
Chance of dry day after a precip day 86% 72%
Chance of precip day after a dry day 24% 24%

Weather forecast accuracy for Sioux City, Iowa

Last Month
Weather Underground   79.17%
The Weather Channel   78.87%
MeteoGroup   75.00%
Foreca   73.51%
AccuWeather   73.21%
NWS Digital Forecast   67.56%
Dark Sky (forecast.io)   67.26%
World Weather Online   54.46%
Persistence   43.45%
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

On average, Foreca's low temperature forecasts for Sioux City were off by 3.38 degrees last year.