Localized drenching thunderstorms will develop across New Mexico and western Texas through the end of the week.
The 44th Annual Albuquerque International Balloon Fiesta began on Saturday morning, but stormy conditions could cause trouble through Tuesday.
But rain is still expected on Friday.
A storm system producing localized flash flooding and gusty thunderstorms will progress eastward across the Southwest states through the middle of the week.
Tropical cyclones presented trouble around the world this week, while heavy snow fell in parts of Alaska.