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 3.6° 6.4°
Average change in low temperature day-to-day 5.6° 8.0°
Precipitation Last Month Last Year
Chance of dry day after a precip day 100% 72%
Chance of precip day after a dry day 21% 24%

Weather forecast accuracy for Sioux City, Iowa

Last Month
The Weather Channel   82.50%
Weather Underground   82.50%
Foreca   79.94%
MeteoGroup   78.61%
AccuWeather   76.11%
Dark Sky (forecast.io)   70.56%
NWS Digital Forecast   69.89%
World Weather Online   64.72%
Persistence   54.31%
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

2.2% of The Weather Channel's high temperature forecasts for Sioux City were off by more than 10 degrees last year.