This morning, I forecast: “Thursday through Saturday are most likely excessively hot and humid with highs Thursday 98-102, Friday 99-104, and Saturday 99-103.” I noted the record highs for those three days are 104 (from 1926), 103 (1926), 101 (1991). This morning’s Global Forecast System model projects highs of 100 Thursday, 103 Friday, and 96 Saturday. The all-time record hottest temperature in D.C. is 106 (July 20, 1930).

So how hot do you think it will get this week at Reagan National Airport? Vote in the poll below....

Keep reading to predict the highest heat index...

Factoring in the humidity, NOAA predicts maximum heat indices on those days of 109, 111, and 111.

What do you think our maximum heat index will be?