Weather warnings
Dec
31
Weather Warning
Rains of variable intensity during this afternoon and early evening
December 31, 2024
11.30 a.m.
Discussion: The Intertropical Convergence Zone remains close to the country, along with instability in the upper atmosphere, these are factors that increase the high probability of rain and...
Dec
30
Weather Warning (Update)
Isolated showers in some areas of the country in the late afternoon.
December 30, 2024
4 p.m.
Diagnosis: The position of the Intertropical Convergence Zone over the country together with atmospheric instability have generated variable rainfall in the country since the morning. Up to this...
Dec
30
Aviso Meteorológico
Aguaceros fuertes aislados este lunes para algunas zonas del país
30 de diciembre de 2024
9:00 am
Diagnóstico: La posición de la Zona de Convergencia Intertropical sobre el país aunado a inestabilidad en la atmósfera alta generan condiciones favorables para la presencia de lluvias variables...
Dec
29
Weather Warning
Heavy showers this afternoon and early evening
December 29, 2024
11:20 a.m.
Diagnosis: The increase in humidity over southern Central America, favored by very weak trade winds and an anomalous position of the Intertropical Convergence Zone over the country, has generated...
Dec
27
Weather Warning
Precipitation this afternoon and early evening
December 27, 2024
11.00 am
Diagnosis: The increase in humidity over southern Central America, favored by very weak trade winds, instability in the upper atmosphere and the abnormal proximity of the Intertropical...
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