U.S. Medium-range Forecast: Long duration North-central U.S. excessive heat episode.
Highlight: Long duration North-central U.S. excessive heat episode. Chart of the day: Example of the torrid heat ahead in the North-central U.S. Discussion: In Bismarck, ND the maximum temperature forecasts by the GFS model are routinely in the 108-112F range for later next week and beyond. Given the precedent of other heat waves this summer…