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Denver weather: Thunderstorms, rain in the city and egg-sized hail possible on northeastern plains

Flash flooding possible in northeast Colorado

Kirk Mitchell of The Denver Post.

There’s a good chance that rain showers late Tuesday afternoon will take some of the sizzle out of a heat wave that already triggered a temperature record in Denver this week.

Still, the high temperature forecast for Tuesday is expected to climb to 97 degrees, which is only 2 degrees below the Denver record for Aug. 20 of 99 degrees set in 2013, according to the National Weather Service in Boulder. On Monday, Denver broke a 33-year heat record by reaching 99 degrees, the NWS said.

Severe storms on the Eastern Plains could generate damaging winds and egg-sized hail, forecasters said.

Beginning around 3 p.m. Tuesday, there’s a 10 percent chance for rain and thunderstorms in Denver. By the evening, the chance for rain increases to 40 percent, forecasters said.

It should be much cooler in the Mile High City Wednesday, when there is a 50 percent chance for afternoon rain showers. The high temperature is expected to be about 84 degrees, the NWS said.

Isolated afternoon rain showers and thunderstorms are possible again on Thursday, when the high temperature is expected to reach 87 degrees.

Temperatures are expected to climb back up into the 90s on Friday and through the weekend with highs of 90 on Friday, 93 on Saturday and 95 on Sunday, the NWS said.