![]() ![]() There will be little to no relief of the heat overnight, when temperatures won’t get below 70 degrees over the next few nights. Many schools announce early out on first day of school Feels-like temperatures in Fort Madison, for instance, could reach 118 degrees. They may creep even hotter elsewhere in the state. Conditions in Cedar Rapids and Iowa City may feel like 115 degrees. The most extreme conditions are expected to come Wednesday afternoon. The last time Cedar Rapids hit 100 degrees was Aug. Ambient air temperatures for this Wednesday and Thursday are expected to reach 101 degrees. 23 is currently 99 degrees in 1947 and 100 degrees for Aug. It may also break historical records in Cedar Rapids and beyond. The heat wave will likely bring the hottest temperatures of the year to Eastern Iowa. It’s trapping hot summer air underneath, scorching communities. There’s a high-pressure air mass currently centered over southern Iowa that encompasses most of the central U.S. The meteorological reason behind the heat wave is similar to that behind the heat dome that trapped much of the nation in late July. “It is unusual that the entire state is (under a heat warning) all at once at this time.” “It's pretty common in July and August to see at least one or two heat advisories or warnings being issued,” said meteorologist Tim Gross of the Quad Cities bureau. The entire state of Iowa is currently under an excessive heat warning. It is the second such warning issued for Cedar Rapids this summer. The NWS Quad Cities bureau issued an excessive heat warning - the top heat-related warning - for its coverage area on Monday morning and extended it through 8 p.m. Combined with high dew points, that will make afternoon temperatures feel like 100 to 115 degrees. Ambient air temperatures will reach up to 100 degrees. The National Weather Service Quad Cities bureau reported hot and humid conditions are plaguing its coverage area, stretching from Eastern Iowa to western Illinois, through Thursday. ![]()
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