The "second" summer has officially passed for the year as daily highs have cooled to the 70s throughout the area. Now, winter is coming to Oklahoma and temperatures are set to plummet into the weekend.

The first drop of the season will bring lows below freezing for the first time this year on Sunday night.

The Arctic front will dive deep into the United States this weekend, sending temperatures plummeting across all 48 contiguous states, even Florida.

The widespread cold blast will deliver the season’s most significant chill so far, with many areas expecting their first hard freeze and morning lows dipping well below average, according to the Climate Prediction Center.

Forecast maps from the National Weather Service show freezing temperatures stretching from the northern Rockies t

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