Daily Forecast Extra - NewsChannel5.com | Nashville News, Weather & Sports

Daily Forecast Extra

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During the summer months, the jet stream (the river of air around 30,000 ft that divides cooler air to the north from warmer air to the south) usually takes a relatively permanent position up toward the Great Lakes helping much of the eastern part of the country see hot and humid conditions day after day during much of July into August.  This is typically our hottest time of the year.  However, another large trough, or dip, in the jet stream will push it's position all the way down into the southeast allowing a very cool air mass for this time of the year to move southward out of Canada.  High temperatures have doped by 10-15 degrees compared to what we had when the high topped out at 95 degrees both Saturday and Sunday this past weekend. The break in the heat will last just a few days though with highs in the upper 80s returning by Monday, so enjoy it while it lasts!

-Charlie

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