Costa Rica’s National Meteorological Institute (IMN) forecasts high temperatures and potential thunderstorms for Friday. Conditions will be warm and humid throughout the day, with temperatures expected to reach up to 37 degrees Celsius (98 degrees Fahrenheit). Specific regions will experience the most intense heat, though the IMN has not yet specified which ones. The probability of rainfall is expected to increase during the afternoon hours. Residents are advised to stay hydrated and take precautions against the heat. The forecast suggests a continuation of the current warm and humid weather pattern affecting the country. Further updates and specific regional details will be provided by the IMN.