The National Weather Service has reported four tornadoes have been reported in northeast Colorado, but there has been no major damage.
Three twisters were reported Saturday in Adams County and one in Weld County.
The agency says a tornado 5 miles south of the town of Hudson caused minor damage to the roofs of some homes and damaged some outbuildings and a shed.
A brief twister near Interstate 76 caused minor roof damage to some homes in Hudson.
A pilot spotted another southeast of the Denver airport, and a fourth kicked up dust near Bennett.
The Weather Service says scattered thunderstorms are expected on the plains Saturday evening, which will likely continue into next week.