Weather warnings
Jun
28
Weather Warning
Tropical Wave #10 over Costa Rica
June 28th, 2025
10:30 a.m.
Diagnosis: Tropical wave #10 is over the country this Saturday, causing instability in maritime areas of the Caribbean and northern parts of the Northern Zone. There has been increasing...
Jun
27
Weather Warning -Update-
Rainy Afternoon in Costa Rica
June 27th, 2025
05.40 p.m.
Forecast: After the passage of Tropical Wave 9 yesterday, Thursday, the atmosphere remains unstable over the country. Along with warm morning temperatures and high humidity from recent rains,...
Jun
27
Weather Warning
Tarde lluviosa en Costa Rica
June 27th, 2025
10:00 am
Diagnosis: After the passage of tropical wave #9 on Thursday, the atmosphere continues to be unstable over the country, which, together with the warm temperatures of this morning and the high...
Jun
26
Weather Warning | Update
Rainfall activity of varying intensity this afternoon in the Pacific and Northern Zone
June 26, 2025
5:00 p.m.
Diagnostic: The passage of Tropical Wave #9, in combination with the Intertropical Convergence Zone, maintains atmospheric instability over the country. This has generated rain showers and...
Jun
26
Weather Advisory
Variable intensity rainfall expected this afternoon, in the Pacific and North Zone
June 26th, 2025
9:50 a.m.
Diagnostic: Tropical Wave 9, located in the Pacific near the country, is still unstable in its surroundings. Along with the Intertropical Convergence Zone over southern Central America, it will...
Weather warnings history
In this section you will find the weather warnings history.
Informe Meteorológico N°2-Tormenta tropical Iota
Nov
14
Meteorological Report N ° 2
Tropical storm Iota
November 14, 2020
8:00 a.m.
Diagnosis: Tropical storm Iota is located 920 km east of Cabo Gracias a Dios between Honduras and Nicaragua, it continues to move very slowly 6 km / h towards the south-southwest in the Caribbean Sea. It has sustained winds of 65 km / h. Due to its position, it still does not have influence in the national territory, as observed in the low amounts of precipitation in the last 12 hours.
Forecast: Iota will continue to strengthen steadily in its passage through the Caribbean Sea, it is expected to reach the hurricane category this weekend. During the afternoon and evening of Saturday, the system will continue its movement towards Central America slowly, beginning to have an indirect influence in the country, reinforcing the rainy activity in the Central and South Pacific, where there will be amounts between 20-80 mm throughout the period . In the Central Valley and the North Pacific there will be rains with amounts between 5-60 mm, as well as in the mountainous sectors of the Caribbean and in much of the North Zone. With the current analyzes, it is expected that, during the early hours of Sunday, there will be rains and downpours of variable intensity in the South Pacific, as well as rains in the North Caribbean.
Warning: Special attention in regions of the Pacific and North Zone, as well as in the west and south of the Central Valley, given the high levels of saturation.Due to the above, the IMN recommends:
• Caution in areas vulnerable to flooding due to sewerage saturation and increased flow in rivers and streams.• Take shelter in a safe place in case you hear an electrical storm or perceive strong gusts of wind near the storm clouds, as well as caution against possible falling tree branches, power lines, among others.
• Stay informed through social networks, Twitter: @IMNCR, Facebook: Instituto Meteorológico Nacional CR and the WEB Page: www.imn.ac.crNext report: Saturday, 7 p.m.
Gabriela Chinchilla / Meteorologist / DMSA