5-day weather forecast for Vermillion, South Dakota

Weather changeability for Sioux City, Iowa

Temperature Last Month Last Year
Average change in high temperature day-to-day 8.3° 6.4°
Average change in low temperature day-to-day 11.3° 7.9°
Precipitation Last Month Last Year
Chance of dry day after a precip day 44% 68%
Chance of precip day after a dry day 29% 23%

Weather forecast accuracy for Sioux City, Iowa

Last Month
Foreca   68.21%
The Weather Channel   67.90%
Weather Underground   67.90%
AccuWeather   65.74%
Dark Sky (forecast.io)   64.81%
NWS Digital Forecast   58.64%
MeteoGroup   55.86%
World Weather Online   55.56%
Persistence   41.62%
Last Year
The Weather Channel   76.09%
Weather Underground   76.03%
Foreca   74.47%
AccuWeather   74.36%
MeteoGroup   73.12%
NWS Digital Forecast   68.22%
Dark Sky (forecast.io)   67.72%
World Weather Online   57.86%
Persistence   45.66%

ForecastAdvisor Fact

65.9% of AccuWeather's high temperature forecasts for Sioux City were within 3 degrees of actual temperatures last year.