# Maryland Weather Warnings Map, October 2026 | InstaMaps

> How many people in Maryland are under a National Weather Service warning right now, by county, updated every 10 minutes. Warnings issued by month since 2008, a map to embed, CSVs. Free to cite.

Source: https://get-instamaps.com/data/warnings/maryland

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# Maryland weather warnings map

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, 4:33 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).

## Warnings in force

* [Coastal Flood Warning](https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.f748759c1a4abb7b85f3baa8c76243a734232df7.002.2)  
Dorchester; Wicomico; Somerset  
160,739 people · until Thu, 2:00 PM EDT

## By county

| County     | People  | Share |
| ---------- | ------- | ----- |
| Wicomico   | 103,588 | 100%  |
| Dorchester | 32,531  | 100%  |
| Somerset   | 24,620  | 100%  |

### By warning

* Coastal Flood Warning: 160,739 people

## Warnings issued for Maryland, by month

National Weather Service warnings, each counted once in the month it was issued. From the Iowa Environmental Mesonet's archive.

2024-102026-09

## Cite this

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, 4:33 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](/data/warnings/method). Questions or a cut we don't have: [gbade@get-instamaps.com](mailto:gbade@get-instamaps.com) (InstaMaps data team).

[Counties now (CSV)](/downloads/warnings/maryland.csv)[Every state by month (CSV)](/downloads/warnings/history.csv)

## Put this map in your story

It shows Maryland's warnings and reloads itself every 10 minutes, so a story left open stays current.

## Get Maryland's numbers by email

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.

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 Monthly report Big-storm notes

The monthly report: [release dates](/data/warnings/calendar). Population: 2020 Census. Warnings: the National Weather Service, refreshed every 10 minutes.