Weather warnings
May
01
Aviso Meteorológico
Actividad lluviosa en esta tarde y noche
01 de mayo de 2025
10.00 am
Diagnóstico: La Zona de Convergencia Intertropical se encuentra activa sobre el país. Esto favorece un panorama húmedo e inestable, idóneo para la presencia de nubosidad y la ocurrencia de...
Apr
30
Weather Warning
Rainy activity this afternoon and into the evening
April 30, 2025
10.20 a.m.
Discussion: The Intertropical Convergence Zone is beginning to show increased activity and is likely to remain close to Costa Rica. This favors a humid and unstable outlook, ideal for cloudiness...
Apr
29
Weather Warning
Showers and Thunderstorms This Evening
April 29, 2025
10 am
Forecast: The atmosphere remains humid over Costa Rica this Tuesday, due to the position of the Intertropical Convergence Zone over the country. This, combined with local factors such as warm...
Apr
21
Weather Warning
Trade winds and increased moisture content to the south of the region
April 21, 2025
09:40 a.m.
Diagnosis: The increase in atmospheric pressure in the northern Caribbean Sea, maintains accelerated trade winds in the center of the basin, this coupled with high humidity values in the region,...
Apr
18
Aviso Meteorológico
Condiciones ventosas persisten este viernes
18 de abril de 2025
9:30 am
Diagnóstico: Un fuerte gradiente de presión atmosférica sobre el Mar Caribe mantiene el viento acelerado en la región centroamericana. En Costa Rica se han registrado ráfagas máximas de 96.7 km/h...
Weather warnings history
In this section you will find the weather warnings history.
RSS IMN latest alerts(Local Notification): https://www.imn.ac.cr/en/web/imn/avisos-meteorologicos/-/asset_publisher/lTlyP4wEZlDa/rss 
RSS IMN latest alerts (Amazon Replication): https://cap-sources.s3.amazonaws.com/cr-imn-es/rss.xml 
Impact-based forecasting
Provides information on the potential impacts to occur, in case of severe hydrometeorological events
See more...Services
The National Meteorological Institute, offers a range of services that can be ordered online in the next section of the site.
Go to services
Ephemerides
In this section you will find all the necessary information about sunrises and sunsets of the Sun and Moon, as well as all the information about the corresponding lunar phases.
See more