I have that and it does not show full time
&calendar=&pressure=true&type=map&location=coordinates&detail=&detailLat=41.886&detailLon=-89.429&metricWind=mph&metricTemp=default&radarRange=-1" frameborder="0"></iframe>
May be a windy glitch. There is a place in the user options to add isobars. Which is fine until the page reloads