Indiana Weather Outlook 9-5-17

Dry today over the most of the state in the wake of a frontal boundary that brought some rain and thunderstorm action to the state yesterday and last night. Much cooler air comes in behind that boundary today. In fact, the next few days will see temps below normal before we moderate and warm to finish the week, Today will start with some clouds in southern Indiana, where the front lingered a bit, but the farther nroth you go, the better likelihood for sun. We will be dry today through tomorrow midday statewide.

A minor disturbance moves across the great lakes tomorrow afternoon and evening, and some of that moisture will make it down into Indiana. We expect a few scattered showers and across the northern third of the state from tomorrow mid afternoon through sunset. By midnight, everything thing will be gone. We can see a few hundredths to a third of an inch from US 24 northward. Central and southern Indiana see nothing.

Dry statewide the rest of the week, for Thursday, Friday and the weekend. Temps will slowly rebound late in the week and for the weekend. We see the dryness continuing Monday and Tuesday of next week as well with high pressure in play.

Next week at midweek, we may find ourselves dealing with the remains of Hurricane Irma. The European and GFS models both want to bring moisture from Irma up into the eastern corn belt. However, we are not as sold on 1) timing and 2) significance of the moisture. We feel that Irma’s track to Florida or even the east coast is far from set in stone, so to get antsy about rain making it all the way to us here in the Hoosier state, a week and a half out, is a little too soon. But, we may find ourselves with some moisture as an off shoot of the tropical event. If we do, we likely are looking at rains in the range of .25”-75” and 60% coverage…rather than the heavier rains that moved in to the OH valley after Harvey.

In the extended window, we have a front likely arriving for the 17th into the 18th that can bring .25”-1” rain and 80% coverage, but that is the only significant weather system in the 11-16 day window. So…if we do not see the remains of Irma, that likely means we string together a good 10 days or more of dry weather across the Hoosier state.


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