I.) Overnight rain and storms impacted central Indiana during the overnight. Some of the slow moving storms dumped a quick 2″ of rain in isolated areas, but most ended up accumulating 0.5″-1″. Additional isolated to widely scattered storm activity is possible today, but many more dry hours than stormy can be expected.
II.) A “backdoor” cold front will drop south through the state Thursday and while an isolated storm is possible as the front slips through the area, the bigger deal with be the cooler and breezy finish to the work week (mid-50s for lows Friday morning and highs in the lower-middle 70s).
III.) We continue to monitor data for the potential of Harvey’s remnants to impact the region this weekend. At this time, the greatest risk of heavy rain appears to lie across southern portions of the state, but we’ll include rain in our weekend forecast as far north as central Indiana. There will be a very sharp cutoff between no rain at all and heavy amounts (2″+), and it appears this dividing line will setup shop across the heart of the state. Due to Harvey’s forward motion, long lasting heavy rains aren’t anticipated, locally.
IV.) The coolest air since last spring is poised to plunge into the region by the early and middle portions of next week. A strong cold front will push in Labor Day night and result in scattered showers and thunderstorms before an abrupt wind shift to the north. Things will be feeling more like October rather than September later next week (lows in the 40s and highs not making it out of the 60s).