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...

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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,...

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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...

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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...

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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...

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Weather warnings history

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Aviso Informativo-IMN-260620-1050am.

Jun

26

Weather Warning

Sahara Dust Layer in Costa Rica

June 23, 2020
10.50 a.m.

Discussion: The country continues immersed in this Friday in a mass of dust from the Sahara, it is observed in the form of a white haze in the environment, reducing visibility mainly towards the horizon; in addition to generating a hot environment and occasional gusts of wind.

Forecast: According to the latest analyzes, the presence of dust will be perceived the rest of the week; however, the concentration of its particulate tends to decrease gradually towards the weekend.

The IMN will continue to duly monitor this phenomenon and update this information daily.

Warning: We recommend caution to the population with respiratory problems and / or allergies.

Due to the above, the IMN recommends:

  • 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


By Rebeca Morera 6/26/20 6/26/20 6/26/20