Tommy's Travel Forecast: Huge temperature swings

AUSTIN (KXAN) -- Weather during May is full of surprises. In this week's travel forecast, we break down a big weather pattern change, discussing excessive heat, heavy rain, severe weather, and springtime snow.This forecast covers the period from May 11 to May 18.In the Southern Plains, a strong ridge of high pressure will deliver warmer-than-normal temperatures for millions across the country, with record-high temperatures expected.Widespread 90s and 100s will likely lead to heat alerts, with lo