5-day weather forecast for Sully, Iowa
Weather changeability for Marshalltown, Iowa
Unfortunately, there was not enough data for this station to provide meaningful weather changeability data.
Weather forecast accuracy for Marshalltown, Iowa
|The Weather Channel||76.39%|
|NWS Digital Forecast||75.00%|
|Dark Sky (forecast.io)||66.67%|
|The Weather Channel||74.91%|
|NWS Digital Forecast||67.36%|
11.4% of NWS Digital Forecast's high temperature forecasts for Marshalltown were exactly right last year.