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Weather Today

FRIDAY: Mostly sunny. High: 95. Heat Indices near 100. Winds: Light Southwest.

FRIDAY NIGHT: Mostly clear. Low: 71. Winds: Light South.

SATURDAY: Partly sunny. High: 95. Heat Indices near 100. Winds: Light South.

Joe Crain
Storm Team Meteorologist

Almanac

FRIDAY, SEPTEMBER 4, 2015

NORMAL HIGH:
83
NORMAL LOW: 60

RECORD HIGH: 100 (1954)
RECORD LOW: 42 (1974)

SUNRISE:
6:29 a.m.
SUNSET:
7:26 p.m.

Unrelenting heat continues to surge into Illinois with some of the hottest temperatures of the year expected this weekend.

The same air mass and weather pattern are still in place for Illinois. The upper air ridge over the central plains and the Midwest will be stationary for a few more days. The biggest forecast challenge will be the eventual break down of the heat wave, but all indications point to some relief after the holiday weekend wraps up.

Friday, Saturday, and Sunday are nearly identical to Thursday with temperatures in the low to mid 90s and heat indices in the mid to upper 90s. Thursday's high hit 95° to become the second  hottest day of 2015. The hottest day happened on July 28 with a high of 96°.  By Labor Day and the rest of the upcoming week, temperatures will trend downward from the upper 80s to the upper 70s by late week.

Meanwhile, rain chances are closely linked to the heat wave. While there's a slight chance for a stray shower or thunderstorm both Friday and Saturday afternoon for locations along and north of I-74 into east central Illinois, the rest of central Illinois stays rain free this weekend. But as the ridge of high pressure breaks down, the pathway will open up for upper air disturbances and their associated frontal boundaries to track into central Illinois with solid rain chances by mid-week. Monday's forecast includes scattered chances into the evening. Tuesday boasts the best chance for widespread rainfall with a few lingering showers and storms possible into Wednesday, too. 

THE 7-DAY TEMPERATURE OUTLOOK:  High temperatures will top out in the mid 90s Friday through Sunday; upper 80s Labor Day; mid 80s Tuesday; low 80s Wednesday; and, upper 70s Thursday. Overnight lows will drop to the low 70s Friday through Monday night; upper 60s Tuesday night; and, upper 50s Wednesday night.

Joe Crain
Storm Team Meteorologist

 
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