Seasonal and quiet midweek; watching the weekend for rain | July 29, 2026Marcus’ 4 a.m. Wednesday forecastINDIANAPOLIS (WISH) — Central Indiana is settling into a very pleasant late-July pattern that will carry us through Friday before rain chances return for the weekend. Weekend Rain Chance:The quiet weather pattern begins to break down as we head into the weekend. When that happens, the steering winds that normally move weather systems along disappear, and the low-pressure area becomes sluggish and meandering. If you have outdoor plans this weekend:Heavy Rain PotentialOne concern with slow-moving weather systems like this is the potential for heavy rainfall. The main jet stream—the fast-moving river of air high in the atmosphere that acts as a dividing line between hot and cold air masses—is expected to retreat well to our north.