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.

IssuedProductOfficeCountiesLasted
Jun 1, 6:59 PM EDTBeach Hazards StatementAKQWorcester25 hr
Jun 2, 2:59 PM EDTCoastal Flood AdvisoryLWXAnne Arundel17 hr
Jun 6, 11:07 AM EDTMesoscale DiscussionSPCGarrett2 hr
Jun 6, 1:03 PM EDTMesoscale DiscussionSPCAllegany, Carroll, Washington87 min
Jun 6, 1:42 PM EDTSevere Thunderstorm WatchSPCAllegany, Anne Arundel, Baltimore, Calvert, Carroll, Cecil and 8 more6 hr
Jun 6, 3:18 PM EDTSevere Thunderstorm WarningLWXAllegany, Garrett57 min
Jun 6, 3:57 PM EDTMesoscale DiscussionSPCAllegany, Frederick, Garrett, Washington2 hr
Jun 6, 3:58 PM EDTSpecial Weather StatementLWXGarrett32 min
Jun 6, 4:05 PM EDTSevere Thunderstorm WarningLWXAllegany, Garrett, Washington55 min
Jun 6, 4:17 PM EDTMesoscale DiscussionSPCBaltimore, Cecil, Harford, Kent, Queen Anne's118 min
Jun 6, 4:29 PM EDTSevere Thunderstorm WarningLWXFrederick, Washington46 min
Jun 6, 4:45 PM EDTSevere Thunderstorm WatchSPCKent, Queen Anne's5 hr
Jun 6, 5:11 PM EDTSevere Thunderstorm Warning Considerable damage threatLWXCarroll, Frederick, Washington64 min
Jun 6, 5:17 PM EDTSevere Thunderstorm WarningLWXFrederick, Montgomery, Washington58 min
Jun 6, 5:51 PM EDTSevere Thunderstorm Warning Considerable damage threatLWXBaltimore, Carroll, Cecil, Frederick, Harford54 min
Jun 6, 5:57 PM EDTSevere Thunderstorm WarningLWXBaltimore, Carroll, Frederick, Howard, Montgomery, City of Baltimore48 min
Jun 6, 6:36 PM EDTMesoscale DiscussionSPCAnne Arundel, Baltimore, Calvert, Caroline, Cecil, Harford and 7 more114 min
Jun 6, 6:42 PM EDTSevere Thunderstorm WarningLWXAnne Arundel, Baltimore, Howard, Montgomery, Prince George's, City of Baltimore33 min
Jun 7, 12:32 AM EDTSpecial Weather StatementCTPAllegany13 min
Jun 9, 2:20 PM EDTCoastal Flood AdvisoryLWXAnne Arundel13 hr
Jun 11, 2:24 AM EDTHeat AdvisoryLWXAnne Arundel, Baltimore, Calvert, Cecil, Charles, Harford and 3 more18 hr
Jun 11, 12:27 PM EDTMesoscale DiscussionSPCAllegany, Garrett2 hr
Jun 11, 2:58 PM EDTHeat AdvisoryLWXAnne Arundel, Baltimore, Calvert, Carroll, Cecil, Charles and 8 more26 hr
Jun 11, 3:02 PM EDTMesoscale DiscussionSPCAnne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 16 more118 min
Jun 11, 3:48 PM EDTMesoscale DiscussionSPCGarrett117 min
Jun 11, 4:05 PM EDTSpecial Weather StatementLWXGarrett55 min
Jun 11, 4:12 PM EDTSevere Thunderstorm WatchSPCAllegany, Anne Arundel, Baltimore, Carroll, Frederick, Garrett and 6 more6 hr
Jun 11, 4:27 PM EDTSevere Thunderstorm WarningLWXGarrett63 min
Jun 11, 5:26 PM EDTSevere Thunderstorm WarningLWXAllegany, Garrett49 min
Jun 11, 6:09 PM EDTMesoscale DiscussionSPCCaroline, Cecil, Harford, Kent, Queen Anne's, Talbot and 1 more3 hr
Jun 11, 6:15 PM EDTSevere Thunderstorm WarningLWXAllegany, Washington30 min
Jun 11, 6:45 PM EDTSevere Thunderstorm WarningLWXFrederick, Washington45 min
Jun 11, 7:14 PM EDTSevere Thunderstorm WatchSPCCalvert, Caroline, Cecil, Charles, Dorchester, Kent and 6 more5 hr
Jun 11, 7:18 PM EDTSevere Thunderstorm WarningLWXCarroll, Frederick, Howard, Montgomery, Washington42 min
Jun 11, 7:54 PM EDTSevere Thunderstorm WarningLWXAnne Arundel, Baltimore, Carroll, Charles, Frederick, Howard and 2 more36 min
Jun 11, 8:29 PM EDTSevere Thunderstorm WarningLWXAnne Arundel, Baltimore, Calvert, Carroll, Cecil, Charles and 6 more61 min
Jun 11, 8:50 PM EDTSevere Thunderstorm WarningPHICaroline, Kent, Queen Anne's, Talbot55 min
Jun 11, 9:03 PM EDTSevere Thunderstorm WarningAKQDorchester, Wicomico57 min
Jun 11, 9:22 PM EDTSevere Thunderstorm WarningLWXBaltimore, Cecil, Harford38 min
Jun 12, 2:36 PM EDTMesoscale DiscussionSPCCalvert, Charles, Prince George's, Saint Mary's24 min
Jun 12, 2:45 PM EDTSevere Thunderstorm WatchSPCAnne Arundel, Baltimore, Calvert, Charles, Harford, Howard and 4 more8 hr
Jun 12, 4:20 PM EDTSevere Thunderstorm WarningLWXMontgomery25 min
Jun 12, 4:48 PM EDTMesoscale DiscussionSPCCalvert, Charles, Prince George's, Saint Mary's117 min
Jun 12, 5:13 PM EDTSevere Thunderstorm WarningLWXCalvert, Prince George's32 min
Jun 12, 5:17 PM EDTSevere Thunderstorm WarningLWXCharles20 min
Jun 12, 7:09 PM EDTSevere Thunderstorm WarningLWXPrince George's36 min
Jun 12, 7:19 PM EDTMesoscale DiscussionSPCCharles, Prince George's86 min
Jun 12, 7:44 PM EDTSevere Thunderstorm WarningLWXCharles, Prince George's31 min
Jun 12, 8:20 PM EDTSevere Thunderstorm WarningLWXAnne Arundel, Prince George's40 min
Jun 12, 8:35 PM EDTSevere Thunderstorm WarningPHIKent, Queen Anne's, Talbot40 min
Jun 12, 8:40 PM EDTSevere Thunderstorm WarningAKQSomerset, Worcester50 min
Jun 12, 8:41 PM EDTSevere Thunderstorm WarningLWXCalvert, Saint Mary's19 min
Jun 12, 9:13 PM EDTSevere Thunderstorm WarningAKQSomerset, Wicomico, Worcester62 min
Jun 12, 9:28 PM EDTSevere Thunderstorm WarningAKQWorcester47 min
Jun 12, 9:41 PM EDTSevere Thunderstorm WarningAKQSomerset, Wicomico, Worcester49 min
Jun 14, 1:59 PM EDTSpecial Weather StatementLWXGarrett31 min
Jun 14, 2:32 PM EDTCoastal Flood StatementAKQDorchester, Somerset, Wicomico17 hr
Jun 14, 3:17 PM EDTMesoscale DiscussionSPCBaltimore, Carroll, Charles, Frederick, Howard, Montgomery and 3 more118 min
Jun 14, 4:18 PM EDTSevere Thunderstorm WatchSPCAllegany, Anne Arundel, Baltimore, Calvert, Carroll, Cecil and 14 more6 hr
Jun 14, 5:34 PM EDTSpecial Weather StatementLWXGarrett41 min
Jun 14, 6:00 PM EDTSevere Thunderstorm WarningLWXWashington20 min
Jun 14, 6:22 PM EDTMesoscale DiscussionSPCAnne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 15 more113 min
Jun 14, 6:56 PM EDTSevere Thunderstorm WarningLWXCharles, Prince George's, Saint Mary's34 min
Jun 14, 7:06 PM EDTSevere Thunderstorm WatchSPCCaroline, Kent, Queen Anne's, Talbot6 hr
Jun 14, 7:20 PM EDTSevere Thunderstorm WarningLWXCharles, Saint Mary's40 min
Jun 14, 7:23 PM EDTSevere Thunderstorm WarningLWXAnne Arundel, Calvert, Charles, Prince George's22 min
Jun 14, 7:27 PM EDTSpecial Weather StatementLWXGarrett48 min
Jun 14, 7:33 PM EDTSevere Thunderstorm WarningLWXCalvert, Charles, Prince George's27 min
Jun 14, 7:48 PM EDTSevere Thunderstorm WarningLWXAllegany, Garrett57 min
Jun 14, 7:51 PM EDTSevere Thunderstorm WarningAKQDorchester33 min
Jun 14, 7:55 PM EDTSevere Thunderstorm WarningLWXSaint Mary's35 min
Jun 14, 7:57 PM EDTSevere Thunderstorm WarningPHICaroline, Queen Anne's, Talbot31 min
Jun 14, 8:21 PM EDTSevere Thunderstorm WarningLWXBaltimore, Carroll, Frederick39 min
Jun 14, 8:43 PM EDTSevere Thunderstorm WarningAKQDorchester, Somerset, Wicomico, Worcester47 min
Jun 14, 8:56 PM EDTSevere Thunderstorm WarningLWXBaltimore, Carroll, Harford, City of Baltimore49 min
Jun 14, 9:04 PM EDTSevere Thunderstorm WarningPHICaroline37 min
Jun 14, 9:25 PM EDTMesoscale DiscussionSPCAnne Arundel, Baltimore, Caroline, Carroll, Cecil, Frederick and 7 more2 hr
Jun 14, 9:36 PM EDTSevere Thunderstorm WarningLWXBaltimore, Cecil, Harford24 min
Jun 15, 3:44 AM EDTCoastal Flood AdvisoryLWXAnne Arundel5 hr
Jun 17, 5:08 AM EDTCoastal Flood AdvisoryLWXAnne Arundel4 hr
Jun 17, 5:18 AM EDTSevere Thunderstorm WarningLWXSaint Mary's27 min
Jun 17, 6:00 AM EDTSpecial Weather StatementAKQSomerset60 min
Jun 17, 1:44 PM EDTCoastal Flood StatementAKQDorchester, Somerset, Wicomico18 hr
Jun 17, 1:50 PM EDTWind AdvisoryLWXAllegany, Garrett28 hr
Jun 17, 3:10 PM EDTCoastal Flood AdvisoryLWXAnne Arundel, Harford24 hr
Jun 18, 5:57 AM EDTSpecial Weather StatementLWXGarrett33 min
Jun 18, 6:17 AM EDTSpecial Weather StatementLWXGarrett28 min
Jun 18, 7:23 AM EDTSpecial Weather StatementLWXGarrett37 min
Jun 18, 7:37 AM EDTSevere Thunderstorm WarningLWXGarrett23 min
Jun 18, 7:55 AM EDTSevere Thunderstorm WarningLWXGarrett35 min
Jun 18, 8:06 AM EDTSevere Thunderstorm WarningLWXAllegany24 min
Jun 21, 3:52 PM EDTBeach Hazards StatementAKQWorcester19 hr
Jun 22, 1:25 PM EDTMesoscale DiscussionSPCAllegany, Anne Arundel, Baltimore, Calvert, Caroline, Carroll and 18 more2 hr
Jun 22, 2:08 PM EDTSevere Thunderstorm WatchSPCAllegany, Anne Arundel, Baltimore, Calvert, Caroline, Carroll and 17 more8 hr
Jun 22, 4:34 PM EDTMesoscale DiscussionSPCCharles, Prince George's86 min
Jun 22, 4:45 PM EDTMesoscale DiscussionSPCCecil90 min
Jun 22, 4:48 PM EDTSevere Thunderstorm WarningLWXAnne Arundel, Howard, Prince George's27 min
Jun 22, 5:05 PM EDTSevere Thunderstorm WarningLWXMontgomery, Prince George's40 min
Jun 22, 5:11 PM EDTSevere Thunderstorm WarningLWXAnne Arundel, Baltimore, City of Baltimore20 min
Jun 22, 5:45 PM EDTSevere Thunderstorm WarningLWXPrince George's30 min
Jun 22, 6:09 PM EDTSevere Thunderstorm WarningLWXCharles, Prince George's, Saint Mary's51 min
Jun 22, 6:13 PM EDTSevere Thunderstorm Warning Considerable damage threatLWXCharles, Prince George's17 min
Jun 22, 6:17 PM EDTTornado WarningLWXCharles13 min
Jun 22, 6:31 PM EDTTornado WarningLWXCharles14 min
Jun 22, 6:39 PM EDTSpecial Weather StatementLWXGarrett36 min
Jun 22, 6:40 PM EDTSevere Thunderstorm WarningPHIQueen Anne's, Talbot50 min
Jun 22, 6:54 PM EDTSevere Thunderstorm WarningLWXAnne Arundel, Calvert, Charles, Prince George's, Saint Mary's51 min
Jun 22, 7:01 PM EDTSevere Thunderstorm WarningLWXCalvert, Saint Mary's29 min
Jun 22, 7:01 PM EDTSevere Thunderstorm WarningPHIQueen Anne's, Talbot44 min
Jun 22, 7:13 PM EDTSevere Thunderstorm WarningAKQDorchester, Somerset, Wicomico62 min
Jun 22, 7:18 PM EDTSevere Thunderstorm WarningPHICaroline, Queen Anne's, Talbot42 min
Jun 22, 7:22 PM EDTSevere Thunderstorm WarningPHICaroline, Queen Anne's, Talbot68 min
Jun 22, 7:29 PM EDTTornado WarningAKQDorchester31 min
Jun 22, 7:29 PM EDTSevere Thunderstorm WarningLWXSaint Mary's16 min
Jun 22, 7:32 PM EDTSpecial Weather StatementLWXGarrett43 min
Jun 22, 7:43 PM EDTTornado WarningPHICaroline, Talbot17 min
Jun 22, 7:45 PM EDTTornado WarningAKQDorchester, Wicomico30 min
Jun 22, 7:49 PM EDTSevere Thunderstorm WarningPHICaroline41 min
Jun 22, 7:53 PM EDTMesoscale DiscussionSPCCaroline, Dorchester, Somerset, Talbot, Wicomico, Worcester67 min
Jun 22, 8:06 PM EDTSevere Thunderstorm WarningPHICaroline, Talbot39 min
Jun 22, 8:11 PM EDTSevere Thunderstorm WarningAKQDorchester, Somerset, Wicomico, Worcester64 min
Jun 22, 8:46 PM EDTSpecial Weather StatementAKQSomerset59 min
Jun 23, 2:05 AM EDTFlood WatchAKQSomerset, Wicomico, Worcester16 hr
Jun 23, 11:10 AM EDTMesoscale DiscussionSPCSomerset, Worcester95 min
Jun 23, 11:45 AM EDTSevere Thunderstorm WatchSPCCalvert, Caroline, Dorchester, Saint Mary's, Somerset, Talbot and 2 more8 hr
Jun 23, 4:00 PM EDTFlash Flood WarningAKQWorcester2 hr
Jun 26, 8:04 AM EDTCoastal Flood AdvisoryLWXHarford2 hr
Jun 26, 3:37 PM EDTMesoscale DiscussionSPCAnne Arundel, Calvert, Caroline, Charles, Dorchester, Howard and 9 more113 min
Jun 26, 5:09 PM EDTSevere Thunderstorm WarningLWXCharles36 min
Jun 26, 5:39 PM EDTSevere Thunderstorm WarningLWXCharles36 min
Jun 26, 6:06 PM EDTSevere Thunderstorm WarningLWXCharles, Saint Mary's39 min
Jun 27, 4:14 PM EDTFlood WatchLWXAnne Arundel, Montgomery, Prince George's4 hr
Jun 28, 3:57 AM EDTExtreme Heat WatchPHICaroline, Kent, Queen Anne's, Talbot71 hr
Jun 29, 12:43 PM EDTHeat AdvisoryLWXAllegany, Garrett55 hr
Jun 30, 2:44 AM EDTExtreme Heat WarningPHICaroline, Kent, Queen Anne's, Talbot5 days
Jun 30, 3:03 AM EDTHeat AdvisoryLWXAnne Arundel, Baltimore, Calvert, Carroll, Cecil, Charles and 8 more41 hr
Jun 30, 3:03 AM EDTExtreme Heat WatchLWXAllegany, Anne Arundel, Baltimore, Calvert, Carroll, Cecil and 9 more34 hr
Jun 30, 4:01 AM EDTExtreme Heat WatchAKQDorchester, Somerset, Wicomico, Worcester57 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.