WGN-TV Chief Meteorologist Tom Skilling and the WGN Weather Center staff provide daily coverage of weather in the Chicago area.

Heat set to make a brief midweek return

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Much of Chicago’s first full week of meteorological summer will feature temperatures close to seasonal normals in the middle/upper 70s, but a midweek burst of heat could bring Chicago its third 90º of the season. In recent days Canadian high pressure has suppressed the hot weather to the south and southwest.
Record highs were set at both Denver (94º) and Colorado Springs (91º) Saturday while early season triple digit heat prompted excessive heat warnings in desert areas of both Nevada and Arizona.
The tropical Atlantic remains quiet on the opening days of the 2006 hurricane season, but not so in the eastern Pacific where a tropical depression has formed off the southwest Mexican coast about 70 miles southwest of Zihuatanejo. The depression could bring up to 20 inches of rain and flash flooding as it moves inland Sunday and could intensify to Tropical Storm Bud before crossing the coastline.
-Steve Kahn, WGNTV Meteorologist