As the West bakes, folks in the eastern United States will have to wait a while for a sustained warm-up, forecasters said.

Tuesday's big boost in temperatures will mark the start of a multi-day run at records for Southern Colorado that peaks late this week.

Meteorologists say the United States is getting hit by almost every kind of extreme weather at once, as spring air masses collide and the jet stream twists.

AccuWeather, National Weather Service, Farmers' Almanac have spring forecasts. Here's which one you should trust.