Temperatures far from typical for summer will cover a lot of the country next week.
The jet stream in the upper levels of the atmosphere will take a dip far south, ushering cold air to the Midwest and Northeast
The Upper Midwest could see lows as cold as the 40s Tuesday morning.
Highs will be 10° to 20° below what is average for July.
The pattern has an interesting connection with Typhoon Neoguri that impacted Japan this past week.
Indra Petersons explains the "why" behind the deep chill.
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