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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Aviso Meteorológico-IMN-100620-1110am

Jun

11

Weather Warning

Heavy rainfall this afternoon in Costa Rica

June 11, 2020
10.30 a.m.

Diagnosis: This Thursday the Intertropical Convergence Zone is approaching Costa Rica, generating greater atmospheric instability and providing humidity from the maritime sectors, which, added to local factors such as high temperatures, are conditions that favor moderate to heavy rainfall. with electrical storm in the national territory.

Forecast: For this afternoon, isolated showers with an electrical storm are expected mainly in the Central Valley (mainly central and eastern sectors of the region), the North Zone and the Caribbean; decreasing in intensity in the early hours of the night. Precipitations of moderate intensity are estimated with estimated amounts between 20-40mm and maximums of 75mm in a timely manner.

In the Pacific Slope the most important rains will be concentrated in the surroundings both in the Gulf of Nicoya and in the Golfo Dulce and mountains of the Central Pacific. In these places amounts between 20-30mm and maximums of 60mm are estimated in this period.

Warning: Special attention in places near the mountains of the North Zone and the Caribbean, in addition to the center and east of the Central Valley.

Due to the above, the IMN recommends:

• Caution in areas with vulnerability to floods, even more so in sectors with recent rainy activity.
• Take refuge in a safe place in case of hearing an electrical storm or perceiving strong gusts of wind near the storm clouds, as well as precaution for possible fall of tree branches, power lines, among others.
• Stay informed through social networks, Twitter: @IMNCR, Facebook: Instituto Meteorológico Nacional CR and the WEB Page: www.imn.ac.cr

Juan Diego Naranjo Diaz
Meteorologist
DMSA-IMN