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Elev 207 ft, 42.85 °N, 71.43 °W

Londonderry, NH Severe Weather Alertstar_ratehome

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Personal Weather Station
Location: Londonderry, NH
Elevation: 207ft
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Active Weather Alerts

Heat Advisory
Issued: 5:05 PM Jul. 27, 2025 – National Weather Service
...HEAT ADVISORY IN EFFECT FROM 11 AM TO 8 PM EDT TUESDAY...

* WHAT...Heat index values into the middle to upper 90s expected.

* WHERE...Western and Central Hillsborough, Merrimack, Strafford,
Coastal Rockingham, Eastern Hillsborough, and Interior Rockingham
Counties.

* WHEN...From 11 AM to 8 PM EDT Tuesday.

* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.

* ADDITIONAL DETAILS...Warm overnight low temperatures will offer
little relief.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

&&

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