Extreme Heat Watch: Northern New London; Southern Middlesex; Southern New London; Northwest Suffolk; Northeast Suffolk; Southwest Suffolk; Southeast Suffolk; Northern Nassau; Southern Nassau

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Extreme Heat Watch — Northern New London; Southern Middlesex; Southern New London; Northwest Suffolk; Northeast Suffolk; Southwest Suffolk; Southeast Suffolk; Northern Nassau; Southern Nassau Severity: Severe. Certainty: Likely. * WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values between 105 to 110 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 105 possible. * WHERE...In Connecticut, Northern New London, Southern Middlesex, and Southern New London Counties. In New York, Northeast Suffolk, Northern Nassau, Northwest Suffolk, Southeast Suffolk, Southern Nassau, and Southwest Suffolk Counties. * WHEN...For the Extreme Heat Warning, from noon today to 9 PM EDT Friday. For the Extreme Heat Watch, from Friday evening through Saturday evening. * IMPACTS...Extreme heat and humidity will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities. * ADDITIONAL DETAILS...This has potential to be a multi-day extreme heat event with near record high temperatures and little overnight relief. This level of heat can be deadly for those without adequate cooling and hydration. Impacts to transportation infrastructure and electrical and water systems are also possible.