Weather warnings
May
18
Weather Warning
Scattered showers and thunderstorms this Sunday in recurring sectors
May 18, 2025
09:40 a.m.
Diagnosis: Local factors such as humid Pacific breezes and warm temperatures will favor scattered showers with thunderstorms this Sunday afternoon in areas where significant rainfall has occurred...
May
17
Weather Warning
Scattered heavy downpours with thunderstorms this Saturday
May 17, 2025
10:20 a.m.
Forecast: The passage of Tropical Wave 2, along with local factors such as humid breezes from both sides and warm temperatures, will favor scattered showers and thunderstorms this Saturday...
May
16
Aviso Meteorológico (Actualización)
Lluvias durante el final de la tarde del viernes
16 de mayo de 2025
4.30 p.m.
Diagnóstico: Persiste la inestabilidad atmosférica sobre el país debido a la cercanía de sistemas de baja presión asociados a la Zona de Convergencia Intertropical y factores locales típicos de...
May
16
Aviso Meteorológico
Actividad lluviosa variable esta tarde de viernes
16 de mayo de 2025
11:00 am
Diagnóstico: Persiste la inestabilidad atmosférica sobre el país debido a la cercanía de sistemas de baja presión asociados a la Zona de Convergencia Intertropical. A esto se suman factores...
May
15
Aviso Meteorológico (Actualización)
Aviso Meteorológico-IMN-150525-Condiciones lluviosas en esta tarde y noche (actualización)
15 de mayo de 2025
6:00 pm
Diagnóstico: La Zona de Convergencia Intertropical se encuentra próxima a Costa Rica y, junto con condiciones de inestabilidad en niveles altos de la atmósfera y factores locales, ha generado un...
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
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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.
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