South Dennis, MA Warnings, Watches and Advisories

Do not drive vehicles through flooded areas. The water depth or fast flowing water/mud/debris from a flash flood will make road conditions unsafe. Do not rely soley on data presented here or other third-party websites - always check your official national and local weather service agency website, socials, radio and/or TV stations for making critical decisions related to weather events.

Please carefully read each posted Warning and Alert as it relates to the area(s) being affected. We may provide a wider range of issued severe weather warnings for surrounding cities and counties, so some alerts may not directly impact this location. This is done to help with preparing for severe weather that may overlap or be heading towards South Dennis.

Use the Radar Maps link provided to understand the trajectory of a storm.

Special Weather Statement issued February 17 at 5:18AM EST by NWS Albany NY

HAZARDS...A lake effect snow band which can rapidly reduce visibility to less than a quarter of a mile. This lake effect snow band is producing heavy snowfall rates of around 1 inch per hour. LOCATION AND MOVEMENT...At 517 AM EST, a lake effect snow band was along a line extending from near New Ashford to Ames and moving southeast at 20 MPH. LOCATIONS IMPACTED INCLUDE... Albany, Schenectady, Troy, Rotterdam, Cohoes, Watervliet, Rensselaer, Colonie, Latham, Delmar, Guilderland, Duanesburg, Menands, Voorheesville, Green Island, Berlin, Altamont, Sharon Springs, Delanson, and New Ashford. This includes the following highways... Interstate 88 between exits 23 and 25. Interstate 90 between exits 9 and 25a. Interstate 890 between exits 7 and 9. Interstate 87 between exits 23 and 7. Interstate 787 between exits 1 and 9. SAFETY INFO... Conditions can deteriorate rapidly in winter weather situations. Be prepared for snow or ice covered roads. Slow down and allow extra time to reach your destination.

High Wind Warning issued February 17 at 3:41AM EST until February 17 at 7:00PM EST by NWS Albany NY

* WHAT...West winds 25 to 35 mph with gusts up to 65 mph. * WHERE...Portions of western Massachusetts, east central and eastern New York, and southern Vermont. * WHEN...Until 7 PM EST this evening. * IMPACTS...Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles. * ADDITIONAL DETAILS...Strong winds along with the weight of snow and ice on trees will lead to an increased risk of downed trees and power lines, resulting in power outages.

Wind Advisory issued February 17 at 2:58AM EST until February 17 at 7:00PM EST by NWS Boston/Norton MA

* WHAT...West winds 15 to 25 mph with gusts up to 55 mph. * WHERE...Portions of northern Connecticut, southeastern Massachusetts, and northern and southern Rhode Island. * WHEN...Until 7 PM EST this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and some power outages may result.

High Wind Warning issued February 17 at 2:58AM EST until February 17 at 7:00PM EST by NWS Boston/Norton MA

* WHAT...West winds 15 to 25 mph with gusts up to 65 mph. * WHERE...Central and Western Massachusetts east of the Berkshires. * WHEN...Until 7 PM EST this evening. * IMPACTS...Damaging winds will blow down trees and power lines. Power outages are possible. Travel will be difficult, especially for high profile vehicles.

High Wind Warning issued February 17 at 2:58AM EST until February 18 at 1:00AM EST by NWS Boston/Norton MA

* WHAT...West winds 15 to 25 mph with gusts up to 65 mph. * WHERE...Central and Southeast Middlesex County, Essex County, Norfolk County, and Suffolk MA. * WHEN...Until 1 AM EST Tuesday. * IMPACTS...Damaging winds will blow down trees and power lines. Power outages are possible. Travel will be difficult, especially for high profile vehicles.