5:41 p.m.: A special weather statement from the National Weather Service warns that Greeley, Evans and Longmont and nearby areas might get winds of up to 50 mh and nickel-sized hail until 6:30 p.m. tonight.

5:32 p.m.: The National Weather Service issued a flash flood warning for Lyons that remains in effect until 8:15 p.m. The weather service stated in a 5:22 p.m. tweet that torrential rain was falling just west of that town, with 1.5 inches recorded in 15 minutes and 2 inches recorded in the past half-hour. Motorists should not attempt to drive through standing water on roadways.

5:07 p.m.: A special weather statement from the National Weather Service states Jamestown, Lyons, Niwot and surrounding areas can expect winds of up to 40 mph and penny-sized hail until 5:30 p.m.

4:32 p.m.: Stormy weather in the mountains and foothills is spreading into the urban corridor, National Weather Service says. Thunderstorms are expected to unleash hail, heavy rains and winds up to 60 mph in some areas.

3:50 p.m.: At Denver International Airport, inbound flights are being delayed at their origin airport on an average of 1 hour and 22 minutes by threats of severe weather, according to FlightAware.com. On Tuesday, 480 delays, and 57 cancellations were recorded at the airport.

3:43 p.m.: A severe thunderstorm warning is posted for the Buffalo Creek and South Platte areas until 4 p.m., according to the National Weather Service. Winds up to 50 mph and half-dollar size hail is possible.

3:43 p.m.: A flash flood warning is posted for the foothills along the Jefferson and Douglas County border to include the Pine Creek, Buffalo Creek and South Platte areas, according to the National Weather Service.