UPDATED 10:35 p.m. Thursday
The severe thunderstorm warning for Champaign and Vermilion counties has expired.
The National Weather Service continues to have a severe thunderstorm watch until 1 a.m. Friday.
Areas affected include Champaign, Coles, Douglas, Edgar and Vermilion counties.
A severe thunderstorm watch means weather conditions are favorable for the development of severe thunderstorms.