Forecasters issued a tornado watch through 8 p.m. Monday for a wide swath of northeastern Colorado, including the cities of Fort Collins and Greeley,
The watch covers Larimer, Logan, Morgan, Washington and Weld counties. It also extends into parts of Wyoming and Nebraska, the National Weather Service said.
Under a tornado watch, residents are urged to make preparations and be ready to act quickly in the event of a tornado. A watch means that tornadoes are possible in the affected areas. A tornado warning means that a tornado has been spotted or indicated by weather radar.
In the Denver area, wind gusts could reach 40 mph on a hot Monday afternoon when rain or thunderstorms are also possible, forecasters say.
There is a 10 percent chance of rain and thunderstorms, mainly between 3 p.m. and 4 p.m., according to the National Weather Service in Boulder.
Otherwise, it will be mostly sunny with a high near 90 degrees.