The temperature in Moline is expected to rise above 90 degrees today for the first time this year, according to the National Weather Service,
Bill Nichols, a meteorologist at the NWS, said this is the latest date ever that the Quad-Cities has recorded a plus-90 degree day since record-keeping began in 1880.
The previous record was July 21, 1960, he said.
The late appearance of a plus-90 day comes in a year when temperatures have been below normal, Mr. Nichols said, and precipitation levels have been above normal.
"For the month of July, we're running 6 degrees below normal. That's quite exceptional," Mr. Nichols said. "That's well below normal for July."
Since June 1, 12.3 inches of rain have fallen in Moline, which Mr. Nichols said is significantly above normal. The average rainfall for that period is 7.2 inches.
Highs today are forecast between 90 and 92 degrees, Mr. Nichols said, and a cold front moving in tonight will again bring temperatures below normal, along with about a 30 percent chance of thunderstorms.
The thunderstorms are expected to last through the night, followed by clear skies and highs in the upper 70s for about a week.
"For most people, they're going to be pleased with the weather," Mr. Nichols said.
For the next two months, Mr. Nichols said the temperatures should stay slightly below average and precipitation levels will be near average.
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