Receive alerts from your local agencies
...or text your ZIP CODE to 888777 for mobile alerts

Full Notification

Merrimack Police Department
Thursday June 18th, 2026 :: 04:42 p.m. EDT

Advisory

Severe Thunderstorm Warning until 05:30PM

SVRGYX The National Weather Service in Gray Maine has issued a

* Severe Thunderstorm Warning for... South central York County in southwestern Maine... Rockingham County in southern New Hampshire... Southeastern Strafford County in central New Hampshire... Southeastern Hillsborough County in southern New Hampshire...

* Until 530 PM EDT.

* At 442 PM EDT, severe thunderstorms were located along a line extending from 6 miles south of Epsom to near Brookline, moving east at 55 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include... Nashua, Derry, Portsmouth, Hampton, Durham, Exeter, Kittery, Salem, Dover, Barrington, Litchfield, Epping, Brentwood, Greenland, Raymond, Newington, Seabrook, Rye, Hudson, and Pelham. This includes the following highways... Interstate 93 between mile markers 0 and 15. Interstate 95 between mile markers 1 and 8. Interstate 95 in New Hampshire between mile markers 0 and 16. This also includes... Hampton Beach and York Beach.

* AFFECTED AREAS: YORK, ME ... HILLSBOROUGH, NH ... ROCKINGHAM, NH ... STRAFFORD, NH

Instructions:

Remain alert for a possible tornado! Tornadoes can develop quickly from severe thunderstorms. If you spot a tornado go at once into the basement or small central room in a sturdy structure. For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with these storms, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. A Tornado Watch remains in effect until 700 PM EDT for southwestern Maine...and southern and central New Hampshire.

Address/Location
Merrimack Police Department
31 Baboosic Lake Rd
Merrimack, NH 03054

Contact
Emergency: 9-1-1
Non-emergencies: 603-424-3774

TEXT-A-TIP -  Text TIP MERRIMACKPD followed by your message, to 888777

Submit an anonymous web tip

Alert Details

Severity:
Severe - Significant threat to life or property
Urgency:
Immediate - Responsive action SHOULD be taken immediately
Certainty:
Observed - Determined to have occurred or to be ongoing
Category:
Meteorological (inc. flood)
Event:
Severe Thunderstorm Warning

Navigate & Discover