Weather Underground Forecast for Monday, July 06, 2009. No tropical development is expected in the tropical Atlantic Ocean on Monday, but areas of scattered showers and thunderstorms will persist.

The heaviest of these showers and thunderstorms will develop along the coast of Central America from Honduras through Panama. While most of the thunderstorm will remain over the water, some of them will push inland through these countries.

An additional area of showers and thunderstorms will develop in the eastern Caribbean Sea from Hispaniola through the Lesser Antilles. This area will move westward towards Cuba as the day progresses.

The Gulf of Mexico will experience some precipitation in the north as a low pressure system moves into the water from the southeastern United States.

For South America, a developing low pressure system will move off the coast of Argentina and Uruguay and into the Atlantic Ocean. This feature, along with its associated cold front will produce moderate precipitation through this region and inland into Paraguay.

Southern Chile will experience some rain and high elevation snow, but this activity will be limited to the southern third of the country.

Typical tropical moisture will continue to produce showers and thunderstorms in the northern third of the continent.

Rio De Janeiro will rise into the lower 70s(F)/lower 20s(C), while Buenos Aires will see temperatures in the mid-60s(F)/upper 10s(C). Santiago, Chile will rise into the lower 60s(F)/mid-10s(C).