Alert archive / Maryland / 2026
Weather alerts in Maryland, June 2026
138 weather alerts in June 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 June 2026. Tap one for its archive.
- Alerts
- 138
- Warnings
- 75
- Watches
- 14
- Advisories
- 11
- Busiest day
- June 22, 202627 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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 1, 6:59 PM EDT | Beach Hazards Statement | AKQ | Worcester | 25 hr |
| Jun 2, 2:59 PM EDT | Coastal Flood Advisory | LWX | Anne Arundel | 17 hr |
| Jun 6, 11:07 AM EDT | Mesoscale Discussion | SPC | Garrett | 2 hr |
| Jun 6, 1:03 PM EDT | Mesoscale Discussion | SPC | Allegany, Carroll, Washington | 87 min |
| Jun 6, 1:42 PM EDT | Severe Thunderstorm Watch | SPC | Allegany, Anne Arundel, Baltimore, Calvert, Carroll, Cecil and 8 more | 6 hr |
| Jun 6, 3:18 PM EDT | Severe Thunderstorm Warning | LWX | Allegany, Garrett | 57 min |
| Jun 6, 3:57 PM EDT | Mesoscale Discussion | SPC | Allegany, Frederick, Garrett, Washington | 2 hr |
| Jun 6, 3:58 PM EDT | Special Weather Statement | LWX | Garrett | 32 min |
| Jun 6, 4:05 PM EDT | Severe Thunderstorm Warning | LWX | Allegany, Garrett, Washington | 55 min |
| Jun 6, 4:17 PM EDT | Mesoscale Discussion | SPC | Baltimore, Cecil, Harford, Kent, Queen Anne's | 118 min |
| Jun 6, 4:29 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Washington | 46 min |
| Jun 6, 4:45 PM EDT | Severe Thunderstorm Watch | SPC | Kent, Queen Anne's | 5 hr |
| Jun 6, 5:11 PM EDT | Severe Thunderstorm Warning | LWX | Carroll, Frederick, Washington | 64 min |
| Jun 6, 5:17 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Montgomery, Washington | 58 min |
| Jun 6, 5:51 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Carroll, Cecil, Frederick, Harford | 54 min |
| Jun 6, 5:57 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Carroll, Frederick, Howard, Montgomery, City of Baltimore | 48 min |
| Jun 6, 6:36 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Cecil, Harford and 7 more | 114 min |
| Jun 6, 6:42 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore, Howard, Montgomery, Prince George's, City of Baltimore | 33 min |
| Jun 7, 12:32 AM EDT | Special Weather Statement | CTP | Allegany | 13 min |
| Jun 9, 2:20 PM EDT | Coastal Flood Advisory | LWX | Anne Arundel | 13 hr |
| Jun 11, 2:24 AM EDT | Heat Advisory | LWX | Anne Arundel, Baltimore, Calvert, Cecil, Charles, Harford and 3 more | 18 hr |
| Jun 11, 12:27 PM EDT | Mesoscale Discussion | SPC | Allegany, Garrett | 2 hr |
| Jun 11, 2:58 PM EDT | Heat Advisory | LWX | Anne Arundel, Baltimore, Calvert, Carroll, Cecil, Charles and 8 more | 26 hr |
| Jun 11, 3:02 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 16 more | 118 min |
| Jun 11, 3:48 PM EDT | Mesoscale Discussion | SPC | Garrett | 117 min |
| Jun 11, 4:05 PM EDT | Special Weather Statement | LWX | Garrett | 55 min |
| Jun 11, 4:12 PM EDT | Severe Thunderstorm Watch | SPC | Allegany, Anne Arundel, Baltimore, Carroll, Frederick, Garrett and 6 more | 6 hr |
| Jun 11, 4:27 PM EDT | Severe Thunderstorm Warning | LWX | Garrett | 63 min |
| Jun 11, 5:26 PM EDT | Severe Thunderstorm Warning | LWX | Allegany, Garrett | 49 min |
| Jun 11, 6:09 PM EDT | Mesoscale Discussion | SPC | Caroline, Cecil, Harford, Kent, Queen Anne's, Talbot and 1 more | 3 hr |
| Jun 11, 6:15 PM EDT | Severe Thunderstorm Warning | LWX | Allegany, Washington | 30 min |
| Jun 11, 6:45 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, Washington | 45 min |
| Jun 11, 7:14 PM EDT | Severe Thunderstorm Watch | SPC | Calvert, Caroline, Cecil, Charles, Dorchester, Kent and 6 more | 5 hr |
| Jun 11, 7:18 PM EDT | Severe Thunderstorm Warning | LWX | Carroll, Frederick, Howard, Montgomery, Washington | 42 min |
| Jun 11, 7:54 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore, Carroll, Charles, Frederick, Howard and 2 more | 36 min |
| Jun 11, 8:29 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore, Calvert, Carroll, Cecil, Charles and 6 more | 61 min |
| Jun 11, 8:50 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Kent, Queen Anne's, Talbot | 55 min |
| Jun 11, 9:03 PM EDT | Severe Thunderstorm Warning | AKQ | Dorchester, Wicomico | 57 min |
| Jun 11, 9:22 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Cecil, Harford | 38 min |
| Jun 12, 2:36 PM EDT | Mesoscale Discussion | SPC | Calvert, Charles, Prince George's, Saint Mary's | 24 min |
| Jun 12, 2:45 PM EDT | Severe Thunderstorm Watch | SPC | Anne Arundel, Baltimore, Calvert, Charles, Harford, Howard and 4 more | 8 hr |
| Jun 12, 4:20 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery | 25 min |
| Jun 12, 4:48 PM EDT | Mesoscale Discussion | SPC | Calvert, Charles, Prince George's, Saint Mary's | 117 min |
| Jun 12, 5:13 PM EDT | Severe Thunderstorm Warning | LWX | Calvert, Prince George's | 32 min |
| Jun 12, 5:17 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 20 min |
| Jun 12, 7:09 PM EDT | Severe Thunderstorm Warning | LWX | Prince George's | 36 min |
| Jun 12, 7:19 PM EDT | Mesoscale Discussion | SPC | Charles, Prince George's | 86 min |
| Jun 12, 7:44 PM EDT | Severe Thunderstorm Warning | LWX | Charles, Prince George's | 31 min |
| Jun 12, 8:20 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Prince George's | 40 min |
| Jun 12, 8:35 PM EDT | Severe Thunderstorm Warning | PHI | Kent, Queen Anne's, Talbot | 40 min |
| Jun 12, 8:40 PM EDT | Severe Thunderstorm Warning | AKQ | Somerset, Worcester | 50 min |
| Jun 12, 8:41 PM EDT | Severe Thunderstorm Warning | LWX | Calvert, Saint Mary's | 19 min |
| Jun 12, 9:13 PM EDT | Severe Thunderstorm Warning | AKQ | Somerset, Wicomico, Worcester | 62 min |
| Jun 12, 9:28 PM EDT | Severe Thunderstorm Warning | AKQ | Worcester | 47 min |
| Jun 12, 9:41 PM EDT | Severe Thunderstorm Warning | AKQ | Somerset, Wicomico, Worcester | 49 min |
| Jun 14, 1:59 PM EDT | Special Weather Statement | LWX | Garrett | 31 min |
| Jun 14, 2:32 PM EDT | Coastal Flood Statement | AKQ | Dorchester, Somerset, Wicomico | 17 hr |
| Jun 14, 3:17 PM EDT | Mesoscale Discussion | SPC | Baltimore, Carroll, Charles, Frederick, Howard, Montgomery and 3 more | 118 min |
| Jun 14, 4:18 PM EDT | Severe Thunderstorm Watch | SPC | Allegany, Anne Arundel, Baltimore, Calvert, Carroll, Cecil and 14 more | 6 hr |
| Jun 14, 5:34 PM EDT | Special Weather Statement | LWX | Garrett | 41 min |
| Jun 14, 6:00 PM EDT | Severe Thunderstorm Warning | LWX | Washington | 20 min |
| Jun 14, 6:22 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 15 more | 113 min |
| Jun 14, 6:56 PM EDT | Severe Thunderstorm Warning | LWX | Charles, Prince George's, Saint Mary's | 34 min |
| Jun 14, 7:06 PM EDT | Severe Thunderstorm Watch | SPC | Caroline, Kent, Queen Anne's, Talbot | 6 hr |
| Jun 14, 7:20 PM EDT | Severe Thunderstorm Warning | LWX | Charles, Saint Mary's | 40 min |
| Jun 14, 7:23 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Calvert, Charles, Prince George's | 22 min |
| Jun 14, 7:27 PM EDT | Special Weather Statement | LWX | Garrett | 48 min |
| Jun 14, 7:33 PM EDT | Severe Thunderstorm Warning | LWX | Calvert, Charles, Prince George's | 27 min |
| Jun 14, 7:48 PM EDT | Severe Thunderstorm Warning | LWX | Allegany, Garrett | 57 min |
| Jun 14, 7:51 PM EDT | Severe Thunderstorm Warning | AKQ | Dorchester | 33 min |
| Jun 14, 7:55 PM EDT | Severe Thunderstorm Warning | LWX | Saint Mary's | 35 min |
| Jun 14, 7:57 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Queen Anne's, Talbot | 31 min |
| Jun 14, 8:21 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Carroll, Frederick | 39 min |
| Jun 14, 8:43 PM EDT | Severe Thunderstorm Warning | AKQ | Dorchester, Somerset, Wicomico, Worcester | 47 min |
| Jun 14, 8:56 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Carroll, Harford, City of Baltimore | 49 min |
| Jun 14, 9:04 PM EDT | Severe Thunderstorm Warning | PHI | Caroline | 37 min |
| Jun 14, 9:25 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Baltimore, Caroline, Carroll, Cecil, Frederick and 7 more | 2 hr |
| Jun 14, 9:36 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Cecil, Harford | 24 min |
| Jun 15, 3:44 AM EDT | Coastal Flood Advisory | LWX | Anne Arundel | 5 hr |
| Jun 17, 5:08 AM EDT | Coastal Flood Advisory | LWX | Anne Arundel | 4 hr |
| Jun 17, 5:18 AM EDT | Severe Thunderstorm Warning | LWX | Saint Mary's | 27 min |
| Jun 17, 6:00 AM EDT | Special Weather Statement | AKQ | Somerset | 60 min |
| Jun 17, 1:44 PM EDT | Coastal Flood Statement | AKQ | Dorchester, Somerset, Wicomico | 18 hr |
| Jun 17, 1:50 PM EDT | Wind Advisory | LWX | Allegany, Garrett | 28 hr |
| Jun 17, 3:10 PM EDT | Coastal Flood Advisory | LWX | Anne Arundel, Harford | 24 hr |
| Jun 18, 5:57 AM EDT | Special Weather Statement | LWX | Garrett | 33 min |
| Jun 18, 6:17 AM EDT | Special Weather Statement | LWX | Garrett | 28 min |
| Jun 18, 7:23 AM EDT | Special Weather Statement | LWX | Garrett | 37 min |
| Jun 18, 7:37 AM EDT | Severe Thunderstorm Warning | LWX | Garrett | 23 min |
| Jun 18, 7:55 AM EDT | Severe Thunderstorm Warning | LWX | Garrett | 35 min |
| Jun 18, 8:06 AM EDT | Severe Thunderstorm Warning | LWX | Allegany | 24 min |
| Jun 21, 3:52 PM EDT | Beach Hazards Statement | AKQ | Worcester | 19 hr |
| Jun 22, 1:25 PM EDT | Mesoscale Discussion | SPC | Allegany, Anne Arundel, Baltimore, Calvert, Caroline, Carroll and 18 more | 2 hr |
| Jun 22, 2:08 PM EDT | Severe Thunderstorm Watch | SPC | Allegany, Anne Arundel, Baltimore, Calvert, Caroline, Carroll and 17 more | 8 hr |
| Jun 22, 4:34 PM EDT | Mesoscale Discussion | SPC | Charles, Prince George's | 86 min |
| Jun 22, 4:45 PM EDT | Mesoscale Discussion | SPC | Cecil | 90 min |
| Jun 22, 4:48 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Howard, Prince George's | 27 min |
| Jun 22, 5:05 PM EDT | Severe Thunderstorm Warning | LWX | Montgomery, Prince George's | 40 min |
| Jun 22, 5:11 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Baltimore, City of Baltimore | 20 min |
| Jun 22, 5:45 PM EDT | Severe Thunderstorm Warning | LWX | Prince George's | 30 min |
| Jun 22, 6:09 PM EDT | Severe Thunderstorm Warning | LWX | Charles, Prince George's, Saint Mary's | 51 min |
| Jun 22, 6:13 PM EDT | Severe Thunderstorm Warning | LWX | Charles, Prince George's | 17 min |
| Jun 22, 6:17 PM EDT | Tornado Warning | LWX | Charles | 13 min |
| Jun 22, 6:31 PM EDT | Tornado Warning | LWX | Charles | 14 min |
| Jun 22, 6:39 PM EDT | Special Weather Statement | LWX | Garrett | 36 min |
| Jun 22, 6:40 PM EDT | Severe Thunderstorm Warning | PHI | Queen Anne's, Talbot | 50 min |
| Jun 22, 6:54 PM EDT | Severe Thunderstorm Warning | LWX | Anne Arundel, Calvert, Charles, Prince George's, Saint Mary's | 51 min |
| Jun 22, 7:01 PM EDT | Severe Thunderstorm Warning | LWX | Calvert, Saint Mary's | 29 min |
| Jun 22, 7:01 PM EDT | Severe Thunderstorm Warning | PHI | Queen Anne's, Talbot | 44 min |
| Jun 22, 7:13 PM EDT | Severe Thunderstorm Warning | AKQ | Dorchester, Somerset, Wicomico | 62 min |
| Jun 22, 7:18 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Queen Anne's, Talbot | 42 min |
| Jun 22, 7:22 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Queen Anne's, Talbot | 68 min |
| Jun 22, 7:29 PM EDT | Tornado Warning | AKQ | Dorchester | 31 min |
| Jun 22, 7:29 PM EDT | Severe Thunderstorm Warning | LWX | Saint Mary's | 16 min |
| Jun 22, 7:32 PM EDT | Special Weather Statement | LWX | Garrett | 43 min |
| Jun 22, 7:43 PM EDT | Tornado Warning | PHI | Caroline, Talbot | 17 min |
| Jun 22, 7:45 PM EDT | Tornado Warning | AKQ | Dorchester, Wicomico | 30 min |
| Jun 22, 7:49 PM EDT | Severe Thunderstorm Warning | PHI | Caroline | 41 min |
| Jun 22, 7:53 PM EDT | Mesoscale Discussion | SPC | Caroline, Dorchester, Somerset, Talbot, Wicomico, Worcester | 67 min |
| Jun 22, 8:06 PM EDT | Severe Thunderstorm Warning | PHI | Caroline, Talbot | 39 min |
| Jun 22, 8:11 PM EDT | Severe Thunderstorm Warning | AKQ | Dorchester, Somerset, Wicomico, Worcester | 64 min |
| Jun 22, 8:46 PM EDT | Special Weather Statement | AKQ | Somerset | 59 min |
| Jun 23, 2:05 AM EDT | Flood Watch | AKQ | Somerset, Wicomico, Worcester | 16 hr |
| Jun 23, 11:10 AM EDT | Mesoscale Discussion | SPC | Somerset, Worcester | 95 min |
| Jun 23, 11:45 AM EDT | Severe Thunderstorm Watch | SPC | Calvert, Caroline, Dorchester, Saint Mary's, Somerset, Talbot and 2 more | 8 hr |
| Jun 23, 4:00 PM EDT | Flash Flood Warning | AKQ | Worcester | 2 hr |
| Jun 26, 8:04 AM EDT | Coastal Flood Advisory | LWX | Harford | 2 hr |
| Jun 26, 3:37 PM EDT | Mesoscale Discussion | SPC | Anne Arundel, Calvert, Caroline, Charles, Dorchester, Howard and 9 more | 113 min |
| Jun 26, 5:09 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 36 min |
| Jun 26, 5:39 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 36 min |
| Jun 26, 6:06 PM EDT | Severe Thunderstorm Warning | LWX | Charles, Saint Mary's | 39 min |
| Jun 27, 4:14 PM EDT | Flood Watch | LWX | Anne Arundel, Montgomery, Prince George's | 4 hr |
| Jun 28, 3:57 AM EDT | Extreme Heat Watch | PHI | Caroline, Kent, Queen Anne's, Talbot | 71 hr |
| Jun 29, 12:43 PM EDT | Heat Advisory | LWX | Allegany, Garrett | 55 hr |
| Jun 30, 2:44 AM EDT | Extreme Heat Warning | PHI | Caroline, Kent, Queen Anne's, Talbot | 5 days |
| Jun 30, 3:03 AM EDT | Heat Advisory | LWX | Anne Arundel, Baltimore, Calvert, Carroll, Cecil, Charles and 8 more | 41 hr |
| Jun 30, 3:03 AM EDT | Extreme Heat Watch | LWX | Allegany, Anne Arundel, Baltimore, Calvert, Carroll, Cecil and 9 more | 34 hr |
| Jun 30, 4:01 AM EDT | Extreme Heat Watch | AKQ | Dorchester, Somerset, Wicomico, Worcester | 57 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 68 |
| Tornado Warning | 5 |
| Severe Thunderstorm Watch | 9 |
| Mesoscale Discussion | 21 |
| Special Weather Statement | 13 |
| Flooding | |
| Flash Flood Warning | 1 |
| Flood Watch | 2 |
| Heat | |
| Extreme Heat Warning | 1 |
| Extreme Heat Watch | 3 |
| Heat Advisory | 4 |
| Wind and dust | |
| Wind Advisory | 1 |
| Coast and beach | |
| Coastal Flood Advisory | 6 |
| Beach Hazards Statement | 2 |
| Coastal Flood Statement | 2 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Prince George's County36
- Charles County33
- Anne Arundel County29
- Garrett County27
- Baltimore County26
- Saint Mary's County26
- Calvert County24
- Harford County23
- Montgomery County23
- Talbot County23
- Frederick County22
- Caroline County22
- Somerset County22
- Wicomico County22
- Carroll County21
- Howard County21
- City of Baltimore21
- Queen Anne's County21
- Worcester County20
- Washington County20
- Cecil County20
- Dorchester County19
- Allegany County18
- Kent County16
Nearby
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.