Heat Wave into Saturday

11:30 AM MDT, Wednesday, July 17, 2019

Hot and dry weather are in store through Friday, and possibly extending into Saturday. The atmosphere is quite dry so we can’t rely on the cooling from afternoon thunderstorms over the next few days. A cold front should slip through the Front Range region late Saturday resulting in a bit cooler weather on Sunday. The air mass behind that front should be a little moister too, so the chance of scattered thunderstorms may return Saturday evening and Sunday.


The record highs for today, Thursday, Friday, and Saturday in Denver are 102, 99, 101, 105, and in Boulder today through Saturday shows records of 98, 100, 100, 100. There is a small chance we could reach one or two of these, and a good chance we will get very close.


The weather pattern for this heat wave is a little odd. The atmosphere (including the upper air) over the Front Range is not unusually hot, but the lower levels are coming from the Desert Southwest and thus the near record readings. Next week the atmosphere is likely to be a bit warmer, but the lower levels won’t be coming from the desert, and some monsoon moisture may increase the chance for afternoon clouds. So although hot weather is likely to return after a brief cool-down on Sunday/Monday, it appears it won’t get quite as hot as the next few days.

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