Severe weather conditions are causing major disruptions at airports in Frankfurt, Munich, and Stuttgart, leading to hundreds of flight cancellations and delays. Frankfurt airport is experiencing the brunt of the issues, with 120 out of 1,090 scheduled departures and arrivals canceled. Visibility problems and ongoing de-icing processes are contributing to these disruptions. Passengers at Munich and Stuttgart are advised to arrive earlier due to minor delays. Additionally, travel on rail services in the Frankfurt area is affected, and authorities are urging drivers to exercise caution on icy roads.