Wednesday, September 4 Forecast Discussion

The cold front that brought some showers and storms to us yesterday is now sitting just south of Highway 84. South of this boundary, warm and humid air has triggered a few showers and storms. North, we are seeing drier air and warm conditions. Dry air continues to filter in from the north as high pressure is center over central Illinois. This high will slowly slide southward the next couple of days, keeping skies clear, humidity low, and temperatures in the lower to mid 90s.

Rain chances look to stay away for at least the next week thanks to high pressure at the surface and a high pressure ridge aloft setting up shop over us. If any rain does develop, it looks to be in far southern areas closer to the front into the weekend or just a pop-up stray storm as we start next week.

Elsewhere, the National Hurricane Center has a reconnaissance aircraft investigating a tropical wave about 100 miles south of Puerto Rico. Satellite imagery is a little more impressive today, but there are yet to be signs of a closed area of low pressure. The NHC gives this wave a 50 to 60 percent chance of becoming a tropical depression or storm within the next 5 days. Most models at this point turn to wave out to sea, but it is something we are keeping an eye on. Don't forget, you can keep up with the tropics with our Hurricane Tracker App for Apple devices or at

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