A cold front will slowly push south over the coming days, and while the severe threats will be the same as previous rounds of wild weather, most people will notice a change in temperatures once the front sweeps through.
On Monday evening, severe storms fired across the Northern Plains. In South Dakota, a tornado was spotted near Yankton, spinning next to a farm.
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On Tuesday, showers and storms across the country led to altered 4th of July plans for millions.
Wednesday's severe weather risk
By midweek, the severe weather threat will extend farther south and east and put millions of Americans at risk of potentially dangerous thunderstorms from the central Plains to the Ohio Valley.
The SPC highlighted an area covering over 32 million from eastern Colorado, northeastern New Mexico and the Texas Panhandle through Illinois and western Indiana for a level 2 out of 5 on the severe weather risk scale.
Temperatures to cool down in wake of front
While the cold front dives to the south, cooler air will filter in behind it.
The FOX Forecast Center expects temperatures will drop to between 10 and 20 degrees below average for this time of year from the northern tier to the southern Plains from Wednesday into the start of the weekend.
On Wednesday, some high temperatures may only be in the 60s in the Northern Plains, rebounding a bit to the 70s behind the front Thursday through Saturday.