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Chilly Wednesday morning across the Chicago area
Isaias batters the East Coast with damaging gusts, tornadoes, and flooding rains. Driest air mass in 2+ months here leads to comfortable stretch of weather, but heat and humidity poised to return this weekend and extend into next week
What is the concentration of carbon dioxide in the atmosphere?
Large waves to batter Lake Michigan shoreline another day, making beaches, piers, trails danger. . . cooler than normal temps persist few more days before heat/humidity stage a comeback beginning this weekend, continuing much of next week
What is the coolest August in Chicago history?
More Weather Blog Headlines
Comfortable summer temps much of week, then heat returns
What is the average number of days in August at or above 90 degrees?
Books close on fourth warmest July of past 149 years in Chicago; warmth also dominated much of Lower 48. Buckling jet stream to delivers coolest weather in 6+ weeks Monday—Florida braces for Hurricane Isaias
Did July have a lot of sun almost every day?
Full fetch “NNE winds” to deliver first sub-normal day of the month after 4th warmest July 1-29 of past 150 years; upper steering winds from Canada behind cooler pattern as August gets underway. Intense heat broils the desert southwest as Isaias set to strengthen as it approaches Florida coast
Why do humidity levels rise in the overnight hours, and then begin to drop after dawn?
NE winds deliver cooler, far more comfortable air into the region following Wednesday’s 91 degree high, the 21st 90+ temp of 2020—heat is to go on a long hiatus as cool pattern locks in; potential Tropical Storm Isaias targets Florida this weekend
Where is the best place to retire in the United States, weather-wise?
One more warm day before cooler, less humid air takes hold here as intense heat is pushed far south/southwest; potential Tropical Storm targets the sunshine state late this weekend
Which is heavier: moist air or dry air?