Alert archive / New Hampshire / 2026

Weather alerts in New Hampshire, March 2026

14 weather alerts in March 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.

Weather alerts by county

Each county as a circle sized by its count in March 2026. Tap one for its archive.

Alerts
14
Warnings
4
Watches
1
Advisories
7
Busiest day
March 15, 20263 alerts

Over time

By day

Days in UTC, the clock the archive keeps.

The alerts

Every alert, in the order issued. Times are local, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeCountiesLasted
Mar 3, 4:20 AM ESTWinter Weather AdvisoryGYXBelknap, Carroll, Cheshire, Grafton, Hillsborough, Merrimack and 3 more24 hr
Mar 3, 6:52 PM ESTMesoscale DiscussionSPCBelknap, Cheshire, Hillsborough, Merrimack, Rockingham, Strafford6 hr
Mar 4, 1:27 PM ESTWinter Weather AdvisoryGYXCheshire, Hillsborough, Rockingham42 hr
Mar 5, 9:32 PM ESTMesoscale DiscussionSPCCheshire6 hr
Mar 6, 1:23 PM ESTWinter Weather AdvisoryGYXBelknap, Carroll, Coos, Grafton, Hillsborough, Merrimack and 2 more21 hr
Mar 13, 2:44 AM EDTWinter Weather AdvisoryGYXCarroll, Coos, Grafton31 hr
Mar 15, 1:49 AM EDTWinter Weather AdvisoryGYXCarroll, Coos, Grafton, Sullivan32 hr
Mar 15, 1:02 PM EDTFlood WatchGYXBelknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more55 hr
Mar 15, 1:05 PM EDTWind AdvisoryGYXBelknap, Carroll, Cheshire, Coos, Grafton, Hillsborough and 4 more44 hr
Mar 17, 3:01 AM EDTRiver Flood WarningGYXGrafton13 hr
Mar 17, 6:03 AM EDTRiver Flood WarningGYXCarroll11 hr
Mar 17, 6:59 AM EDTRiver Flood WarningGYXBelknap, Merrimack14 hr
Mar 21, 2:18 PM EDTWinter Storm WarningGYXCarroll30 hr
Mar 21, 2:18 PM EDTWinter Weather AdvisoryGYXBelknap, Carroll, Coos, Grafton, Merrimack, Strafford and 1 more39 hr

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

By county

Every county with at least one alert. A county page lists each alert that covered it.

Nearby

Alerts in force nowTornadoes on recordThe radar archive2025

Sources

National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.