5-day weather forecast for Union, 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||67.28%|
|NWS Digital Forecast||66.36%|
|National Weather Service||64.81%|
|World Weather Online||55.45%|
|The Weather Channel||73.07%|
|National Weather Service||69.97%|
|NWS Digital Forecast||66.45%|
16.4% of Persistence's low temperature forecasts for Marshalltown were within 3 degrees of actual temperatures last month.