Weather Warnings for Connecticut
| Alerts Updated: August 7, 2026, 4:57 pm UTC |
Air Quality Alert issued August 7 at 10:11AM EDT by NWS Upton NYSummary: The Connecticut Department of Energy and Environmental Protection has issued an Air Quality Action Day for the following counties: S Fairfield, S New Haven, Middlesex, New London until 11 PM EDT this evening. An Air Quality Action Day means that Ground Level Ozone within the region may approach or exceed unhealthy standards. For additional information, please visit the Connecticut Department of Energy and Environmental Protection Web site at http://www.ct.gov/deep/aqiSeverity: Unknown Effective: August 7, 2026, 10:11 am Expires: August 7, 2026, 11:00 pm Area: Northern Middlesex; Northern New London; Southern Fairfield; Southern New Haven; Southern Middlesex; Southern New London |
Heat Advisory issued August 7 at 2:47AM EDT until August 7 at 8:00PM EDT by NWS Upton NYSummary: * WHAT...Heat index values up to around 100 expected. * WHERE...Fairfield, New Haven, Middlesex, and Southern New London Counties in southern Connecticut. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Heat and high humidity may cause heat related illnesses. * ADDITIONAL DETAILS...The advisory may need to be extended into Saturday.Severity: Moderate Effective: August 7, 2026, 2:47 am Expires: August 7, 2026, 4:00 pm Area: Northern Fairfield; Northern New Haven; Northern Middlesex; Northern New London; Southern Fairfield; Southern New Haven; Southern Middlesex; Southern New London |
Heat Advisory issued August 7 at 2:05AM EDT until August 7 at 8:00PM EDT by NWS Boston/Norton MASummary: * WHAT...Heat index values up to 100. * WHERE...Portions of northern Connecticut, central, eastern, northeastern, southeastern and western Massachusetts and northern and southern Rhode Island. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses to occur.Severity: Moderate Effective: August 7, 2026, 2:05 am Expires: August 7, 2026, 3:15 pm Area: Hartford; Tolland; Windham; Eastern Franklin; Northern Worcester; Central Middlesex County; Western Essex; Eastern Essex; Eastern Hampshire; Eastern Hampden; Southern Worcester; Western Norfolk; Southeast Middlesex; Suffolk; Eastern Norfolk; Northern Bristol; Western Plymouth; Eastern Plymouth; Southern Bristol; Southern Plymouth; Northwest Middlesex County; Northwest Providence; Southeast Providence; Western Kent; Eastern Kent; Bristol; Washington; Newport |
Heat Advisory issued August 7 at 1:17AM EDT until August 7 at 8:00PM EDT by NWS Albany NYSummary: * WHAT...Heat index values up to 98. * WHERE...In Connecticut, Southern Litchfield County. In New York, Eastern Ulster and Western Dutchess Counties. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.Severity: Moderate Effective: August 7, 2026, 1:17 am Expires: August 7, 2026, 8:00 pm Area: Southern Litchfield; Eastern Ulster; Western Dutchess |
Air Quality Alert issued August 6 at 3:33PM EDT by NWS Upton NYSummary: The Connecticut Department of Energy and Environmental Protection has issued an Air Quality Action Day for the following counties: Southern Fairfield, Southern New Haven. until 11 PM EDT this evening. An Air Quality Action Day means that Ground Level Ozone within the region may approach or exceed unhealthy standards. For additional information, please visit the Connecticut Department of Energy and Environmental Protection Web site at http://www.ct.gov/deep/aqiSeverity: Unknown Effective: August 6, 2026, 3:33 pm Expires: August 7, 2026, 11:00 pm Area: Southern Fairfield; Southern New Haven |
Air Quality Alert issued August 6 at 3:33PM EDT by NWS Upton NYSummary: The Connecticut Department of Energy and Environmental Protection has issued an Air Quality Action Day for the following counties: Middlesex, New London. from 11 AM to 11 PM EDT Friday. An Air Quality Action Day means that Ground Level Ozone within the region may approach or exceed unhealthy standards. For additional information, please visit the Connecticut Department of Energy and Environmental Protection Web site at http://www.ct.gov/deep/aqiSeverity: Unknown Effective: August 6, 2026, 3:33 pm Expires: August 7, 2026, 11:00 pm Area: Northern Middlesex; Northern New London; Southern Middlesex; Southern New London |
Air Quality Alert issued August 5 at 3:26PM EDT by NWS Upton NYSummary: The Connecticut Department of Energy and Environmental Protection has issued an Air Quality Action Day for the following counties: southern Fairfield and southern New Haven. from 11 AM to 11 PM EDT Thursday. An Air Quality Action Day means that Ground Level Ozone within the region may approach or exceed unhealthy standards. For additional information, please visit the Connecticut Department of Energy and Environmental Protection Web site at http://www.ct.gov/deep/aqiSeverity: Unknown Effective: August 5, 2026, 3:26 pm Expires: August 7, 2026, 11:00 pm Area: Southern Fairfield; Southern New Haven |