Regional weather: Friday, June 3 - Extreme southern Mexico: Persistent tropical convection is predicted to cover the Yucatan and Southern Mexico regions through the weekend.

Trajectory weather:Mixed cloud cover with rain and thunderstorms possible later in the afternoon. High of 35Cand a low of 24C.

Trajectory confidence: High

OUTLOOK: *** Moderate Threat ***

Friday, Saturday, and Sunday: The constant threat of clouds, rain, and thunderstorms creates a persistent and favorable environment for disease development. However, the strength of the source is suspect and there is a change for the sun to peak through the clouds for brief periods. Strongly Moderate risk near the source area. Low Risk otherwise.