Weather warnings

Jul

01

Weather Warning

Rainy conditions in the Caribbean and Northern Zone this Tuesday and Tropical Wave #12

Jul 01th, 2025
10 am

Diagnosis The strengthening of the trade winds over the central and northern regions of the country has produced wind gusts of up to 50 km/h in areas such as Alajuela this morning. This...

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Jun

28

Weather Warning

Tropical Wave #10 over Costa Rica

June 28th, 2025
10:30 a.m.

Diagnosis: Tropical wave #10 is over the country this Saturday, causing instability in maritime areas of the Caribbean and northern parts of the Northern Zone. There has been increasing...

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Jun

27

Weather Warning -Update-

Rainy Afternoon in Costa Rica

June 27th, 2025
05.40 p.m.

Forecast: After the passage of Tropical Wave 9 yesterday, Thursday, the atmosphere remains unstable over the country. Along with warm morning temperatures and high humidity from recent rains,...

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Jun

27

Weather Warning

Tarde lluviosa en Costa Rica

June 27th, 2025
10:00 am

Diagnosis: After the passage of tropical wave #9 on Thursday, the atmosphere continues to be unstable over the country, which, together with the warm temperatures of this morning and the high...

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Jun

26

Weather Warning | Update

Rainfall activity of varying intensity this afternoon in the Pacific and Northern Zone

June 26, 2025
5:00 p.m.

Diagnostic: The passage of Tropical Wave #9, in combination with the Intertropical Convergence Zone, maintains atmospheric instability over the country. This has generated rain showers and...

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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