On Thursday morning, SMHI issued a Class 1 warning for parts of Sweden, including Kronoberg County.
Jönköping County can take the warning, but will also get to know the rainy weather.
"It's probably the southern part, or the southwest, that is getting huge amounts of rain, it can be about 10-20 millimeters, possibly more," says Alexandra Ohlsson, meteorologist at SMHI.
According to the forecast, the rain will last between Thursday afternoon and Friday morning.
"It's going into the afternoon and is spreading to Vättern in the evening", says Alexandra Ohlsson and continues:
"There is a danger of thunderstorms, and if we get into a thunderous sheet, it can be a bit more than 20 millimeters.