Weather warnings
Jun
01
Weather Warning (Update)
Tropical Wave #4
Jun 01, 2025
5:50 p.m.
Forecast: Tropical Wave 4 is over Costa Rica this Sunday. In addition to the transit of this disturbance, we remain within the Intertropical Convergence Zone over our latitude, providing high...
Jun
01
Weather Warning (Update)
Tropical Wave #4
Jun 01, 2025
11.10 am
Diagnosis: is located over Costa Rica this Sunday. In addition to the transit of this disturbance, we remain within the Intertropical Convergence Zone over our latitude,...
May
31
Aviso Meteorológico (Actualización)
Lluvias variables en el país este sábado y onda tropical #4 mañana domingo
31 de mayo de 2025
5 pm
Diagnóstico: Este fin de semana la Zona de Convergencia Intertropical se muestra activa nuevamente frente al Pacífico costarricense; lo cual ha ocasionado aguaceros en el Pacífico Sur y eventos...
May
31
Weather Warning
Variable rains in the country this Saturday and tropical wave #4 tomorrow Sunday
May 24, 2025
11.40 am
Forecast: This weekend, the Intertropical Convergence Zone (ITC) is active again off the Costa Rican Pacific, causing downpours in the South Pacific and intermittent rain events in the Central...
May
30
Weather Warning
Variable morning rains this Friday in the Caribbean regions
May 30, 2025
7:30 a.m.
Diagnosis: High humidity levels in southern Central America, combined with instability in the upper troposphere in the region, have favored variable rainfall in the Caribbean and parts of the...
Weather warnings history
In this section you will find the weather warnings history.
Aviso Meteorológico-IMN-240620-1112am
Jun
24
Weather Warning
Heavy rains this morning in the Caribbean and during the afternoon in the Pacific
June 24, 2020
10.40 a.m.
Discussion: The proximity of the Intertropical Convergence Zone generates the proximity of cloud nuclei to the coastal parts of our country, particularly to the province of Limón where isolated but strong downpours occur accompanied by an electrical storm.
Forecast: In the rest of the morning, downpours and thunderstorms will continue in the Northern Zone and the Caribbean, amounts between 25-50 mm are estimated, the rains tend to decrease in the afternoon in these regions.
In the evening period and the first hours of the night, the strongest rainy and electrical activity will be concentrated in the Central and South Pacific and even the Nicoya Peninsula, accumulated between 30-60 mm.
For its part, scattered rains are possible in the Central Valley, especially in mountainous sectors, amounts between 10-20 mm.
Warning: Special attention in the Central Pacific and South Pacific regions as they show saturation levels due to the rains of the last days.
Due to the above, the IMN recommends:
- Caution in areas vulnerable to flooding due to sewerage saturation.
- Take refuge in a safe place in case of listening to a thunderstorm or perceiving strong gusts of wind near storm clouds, as well as caution for possible falling tree branches, power lines, among others.
- Attention on the main national highways, such as route 27 and route 32.
- Stay informed through social networks, Twitter: @IMNCR, Facebook: Instituto Meteorológico Nacional CR and the WEBSITE: www.imn.ac.cr
Rebeca Morera R
Meteorologist
DMSA-IMN
