Update 8:42 p.m.: Several supercell thunderstorms are moving east across northern Colorado and dropping hail up to 3 inches in diameter, forecasters with the National Weather Service’s Boulder office said in a post on X.
Tornadoes and baseball- and tennis ball-sized hail are possible in Washington and Yuma counties, the agency said in a tornado warning.
Update 7:02 p.m.: Akron and portions of Washington County are under a tornado and severe thunderstorm warning, according to the National Weather Service.
Two-inch hail and winds up to 70 mph are possible, the agency said in an alert at 6:55 p.m.
Update 6:43 p.m.: Dime-sized hail is falling in Denver as severe thunderstorms move over northeast Colorado, according to the National Weather Service.
Most of northeast Colorado is under a tornado watch until 11 p.m. as the storms move east, including Logan, Morgan, Phillips, Sedgwick, Washington, Weld and Yuma counties.
Ping pong-sized hail and 60 mph wind gusts are possible in southeast Morgan County, which could cause damage to structures, vehicles, trees and anyone outside.
Original story: Numerous severe storms with large hail and damaging winds are possible across the plains this afternoon and tonight with isolated tornadoes possible this evening, according to the National Weather Service.
Scattered thunderstorms will develop across the plains this afternoon and continue overnight. Severe storms with large, golf-ball sized hail, damaging winds and heavy rainfall are possible, especially from Fort Morgan to Limon. Isolated, weak tornadoes and land spouts are possible in the northeast plains this evening.
The Denver metro area will be partially sunny and breezy today with a high of 74 degrees and wind gusts up to 30 mph. Rain may return with a 40% chance of showers and thunderstorms, mainly after 3 p.m. this afternoon, and a 50% chance of precipitation tonight.
Temperatures will dip on Tuesday with a high of 61 degrees and a slight chance of showers and thunderstorms before 9 a.m. with an 80% chance of precipitation after noon. Showers and thunderstorms will likely continue Tuesday night, with a low of 39 degrees and a 60% chance of precipitation, according to NWS forecasters.
Wednesday and Thursday may be warmer and drier with temperatures in the 70s. Wednesday is expected to be mostly sunny with a high of 70 degrees and a 20% chance of showers and thunderstorms in the afternoon and evening. Thursday’s high may hit 79 degrees.
Thunderstorms, which may become severe, are possible later this afternoon in portions of the far eastern plains. Hail up to 2 inches in diameter and gusty winds up to 60 mph may be possible. There is a low chance that these storms may form a land spout or weak tornado. Thunderstorms are most likely over Bent, Prowers and Kowa counties with possible storms producing nickel-sized hail in the Palmer Divide area.
Showers and thunderstorms may develop in western Colorado this afternoon and continue into tonight, with gusty winds, small hail and mountain snow expected. Near critical fire weather conditions are expected this afternoon near the Four Corners, with gusts up to 40 mph.
High elevation snow showers are expected today in portions of central, east central, south central and southeast Colorado with a few inches of accumulation through tonight.
Thunderstorm activity may continue across Colorado on Tuesday with high elevation snow possible. Drier, warmer weather is expected Wednesday through Friday, according to the NWS.
