COOKING UP A LITTLE WARMTH...
For many weeks I have alluded to the cool weather that's prevailed around the Midwest going back to late July. I've also indicated on numerous occasions that I felt a warmer pattern would return come mid to late September. That change appears to underway and you will feel what I'm talking about by the end of the week.
Here's September's departures.

And here's those for August to get some perspective on the duration of the cool weather.

Now look where the 500mb jet is expected to be by the end of the week. A much warmer look as the ridge that's been over the west the past 6-7 weeks is replaced by a trough. A complete flip-flop!

The 5 day temperature departures on the EURO show warming spreading east through Friday.

Days 5-10 the greatest anomalies are centered on my local area.

The peak of the coming warm-up is expected Friday and Saturday when highs could approach 90 in some parts of the central MIdwest. Here's what the EURO is showing for highs Friday and Saturday. I suspect these numbers might be 2-4 degrees too warm but it's a long ways from the 60s and 70s we've been seeing.
Friday highs:
