Wednesday, July 31, 2024

Active, hot and humid pattern to carry on into the start of August

The Stateline missed out on yet another opportunity for strong to severe storms as the main storm track remained to our south and west. 

No complaints here, especially after all the major flooding that occurred around the Rockford area during the middle of the month. In fact, one of Tuesday's complexes was long-lived, leaving behind a 750+ mile path of wind damage reports stretching from central Iowa to northern Georgia.

Skies this morning are quiet, though another potent M.C.S is underway in southeast Iowa. This one should take a similar track to the one previously mentioned from Tuesday, leaving us mainly dry. However, we'll have to monitor any outflow or storms that form on the complex's northern side as that could possibly spell a thunderstorm chance by the time we reach the mid-morning hours. 

For this, the Storm Prediction Center does have most of the region under a level 1 Marginal Risk, mainly for the threat for damaging winds. Portions of Jo-Daviess, Carroll, Whiteside, Ogle, and Lee County are under a level 2 Slight Risk. This is also for strong winds but also a tornado or two. 

Otherwise, expect a dry, but hot and humid afternoon with temperatures peaking near the 90° mark. Heat indices will likely be near the triple digits again. Storm chances spike again after midnight tonight as a line enters the Stateline from the west. These will likely be in a weakening phase, though still could pose the risk for damaging winds, heavy rainfall, and frequent lightning into hours leading up to the morning commute. Overnight lows will stay warm, landing in the low 70s. 

An upper-level low approaching from the northwest will provide us with another window for scattered storms Thursday afternoon. 

The strength of this round will be dependent on how quick conditions are to dry out. If we're able to tap into daytime heating a little bit more, expect storms to have more of a fuel source once they form. As of this morning, the severe threat appears to be highest to the south and east of the Stateline, closer to I-80 and Indianapolis. Of course, this is subject to change based on how things trend between today and Thursday morning.

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