Right now, 160,739 people in Maryland are under a National Weather Service warning. That's 2.6% of the state's 6,177,224 people, the 2nd most of any state.
Updated Wed, 3:33 PM EDT · counted every 10 minutes · 1 warning in force
In September 2026 the National Weather Service issued 37 warnings for Maryland, the most for September since 2023.
The most at once this month: 160,739 people, on October 21 (counted since October 21).
| County | People | Share |
|---|---|---|
| Wicomico | 103,588 | 100% |
| Dorchester | 32,531 | 100% |
| Somerset | 24,620 | 100% |
National Weather Service warnings, each counted once in the month it was issued. From the Iowa Environmental Mesonet's archive.
Free to quote and republish with a link. A line you can use:
160,739 people in Maryland were under a National Weather Service warning at Wed, 3:33 PM EDT, according to InstaMaps, which counts them every 10 minutes from 2020 Census data (get-instamaps.com/data/warnings/maryland).
How it's counted: method. Questions or a cut we don't have: gbade@get-instamaps.com (InstaMaps data team).
It shows Maryland's warnings and reloads itself every 10 minutes, so a story left open stays current.
The monthly report, the first Thursday of each month at 6 a.m. Eastern. And, when a big storm hits Maryland, a short note with the count. Nothing else, and one click stops it.
The monthly report: release dates. Population: 2020 Census. Warnings: the National Weather Service, refreshed every 10 minutes.