Cool Start to August with Rain in Southern and Western Illinois

The statewide average temperature for August so far is 72 degrees, 2 degrees below average. This follows on the heels of the cool July. The NWS forecast show that the mild temperatures will continue this upcoming week with highs in the upper 70s and low 80s in northern Illinois to the low to mid 80s in central and southern Illinois. The 6-10 and 8-14 day forecasts that extend out to August 21 point towards a continuation of cooler-than-average conditions.

All in all, it should be great weather for the Illinois State Fair. I can remember many years of the State Fair being hot and humid with your choice of either dust or mud. It’s a wonder the butter cow did not melt.

The map of observed precipitation below from the NWS shows that rainfall has been widespread and fairly heavy in western and southern Illinois with amounts ranging from 1 inch (green) to 5 inches (red). It is lighter and more variable in northern and eastern Illinois, ranging from 0.1 inches (light blue) to 2 inches (dark green). Much of that heavy rain to the east of St. Louis fell in a part of Illinois that was dry in July.

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