The storm caused two accidents in the Elbe-Elster district of Brandenburg, in which a man was seriously injured.
In Schlieben, a tree fell on a car on Thursday afternoon, the police said.
The 41-year-old driver was taken to hospital with serious injuries.
About fifty kilometers further on, a gust of wind pushed a car on the federal highway 169 between Plessa and Kaupen to the side of the road, over the guardrail and against a tree.
Schlieben / Plessa - According to the information on Friday, the 21-year-old driver was only slightly injured and was also treated in the hospital.
The federal road was completely closed for two hours.
dpa