
Into early next week, a large, digging trough of low pressure will crash into the western US. A much cooler, stormier pattern will develop just in time for Halloween.
Energy slicing through the rocky mountains will bring a round of rain and snow. At the same time, a cold front will work its way into the eastern US, keeping things soggy from the Ohio Valley to the Gulf Coast.
Not exactly ideal Trick or Treat conditions. Most of the country will see below average temperatures Wednesday. Some may record their high temperatures in the morning, watching temps drop into the evening.
