Mostly sunny this weekend Details >
May 20, 2013; 1:48 PM ET Five-day Weather Forecast for San Diego, CA
A tornado ripped through Oklahoma City suburbs, flattening entire neighborhoods. At least 51 people have been killed.
An ongoing cool weather pattern from the Rockies to the East Coast has been helping to keep a lid on the number of tornadoes for 2013.
Temperature and precipitation trends in AccuWeather's 30-Day Forecast can help with Memorial Day planning.