Heat

Wildfires caused evacuations in California, 7 million people in the Midwest face flood watches and 32 million in the Northeast were under heat advisories.

Storms in the middle of the country, snow in the Rockies and heat in the Northeast are all happening this week.

Last month was the hottest March ever recorded in the U.S. Now, record-breaking temperatures are expected again from the Plains to the Northeast.

The heat dome set more than 1,500 temperature records across 11 states. Temperatures were 20 to 30 degrees above average in some places.

The approach involves making artificial snow when conditions are ideal, then piling it high under an insulated mat.

Nearly every snow basin in the Mountain West had one of its warmest winters on record and is well behind normal for water supplies.

Temperatures that are 20 to 40 degrees above average for this time of year will be common from the Southwest into the Great Plains.

The community of Martinez Lake in Arizona hit a jaw-dropping 110 degrees Fahrenheit on Thursday — the highest March temperature in U.S. recorded history.

Arizona and Nevada are likely to see temperatures in the triple digits, while cities such as San Francisco, L.A. and Denver could experience record highs.

More than half a million energy customers were without power early Monday as a wide-ranging pattern of severe weather continues.