US National Weather Service Baltimore/Washington

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Mission: The National Weather Service (NWS) provides weather, hydrologic, and climate forecasts and warnings for the United States, its territories, adjacent waters and ocean areas, for the protection of life and property and the enhancement of the national economy. NWS data and products form a national information database and infrastructure which can be used by other governmental agencies, the private sector, the public, and the global community.

Active flood warnings continue across portions of eastern West Virginia. Otherwise, a few showers and perhaps a thunders...
06/30/2019

Active flood warnings continue across portions of eastern West Virginia. Otherwise, a few showers and perhaps a thunderstorm across the Potomac Highlands into central Virginia through midday today, then turning out mostly sunny with lower humidity this afternoon.

We are currently unable to post to our page due to technical difficulties (this was posted by an admin with one...
06/26/2019
Baltimore/Washington

We are currently unable to post to our page due to technical difficulties (this was posted by an admin with one time access). Please follow our webpage at weather.gov/lwx and Twitter at https://twitter.com/NWS_BaltWash/.

A large storm system over the West is producing severe thunderstorm complexes that are flourishing over the top of a southern Plains heat ridge. The main threat with these storms are damaging winds today, from the corridor of the east-central Plains and Mid Mississippi Valley into the Tennessee Vall...

Mainly dry weather and below normal temperatures can be expected for the weekend. There is a small chance of showers in ...
06/21/2019

Mainly dry weather and below normal temperatures can be expected for the weekend. There is a small chance of showers in southern and western portions of our forecast area.

A cold front approaching from the west this afternoon and evening will bring the risk of strong thunderstorms. Some may ...
06/20/2019

A cold front approaching from the west this afternoon and evening will bring the risk of strong thunderstorms. Some may be severe with damaging winds and large hail, as well as torrential rain. The attached graphics show the areas of greatest concern in our region, denoted by the yellow shading in both.

Flood Warning until 3:15 AM Thursday for central Montgomery County, MD. Rain amounts to around 3 inches are expected to ...
06/20/2019

Flood Warning until 3:15 AM Thursday for central Montgomery County, MD. Rain amounts to around 3 inches are expected to cause flooding along small streams. Turn around, don't drown when encountering high water!

5:13PM - Pop-up showers and storms will continue through this evening. The greatest coverage may shift from the mountain...
06/19/2019

5:13PM - Pop-up showers and storms will continue through this evening. The greatest coverage may shift from the mountains toward the I-95 corridor over the next several hours. Localized downpours and occasional lightning will be the main hazards.

Scattered showers and thunderstorms will be possible this afternoon with an isolated chance for gusty winds.
06/19/2019

Scattered showers and thunderstorms will be possible this afternoon with an isolated chance for gusty winds.

Warm and humid again today, with showers and thunderstorms redeveloping by this afternoon. One or two could contain dama...
06/19/2019

Warm and humid again today, with showers and thunderstorms redeveloping by this afternoon. One or two could contain damaging winds or produce flooding rains, but overall, the risk of severe weather and flooding is a bit reduced today compared to the last two days. Severe thunderstorms are more likely on Thursday.

9:13PM - With the threat of strong winds and hail diminishing, the Severe Thunderstorm Watch has been cancelled for the ...
06/19/2019

9:13PM - With the threat of strong winds and hail diminishing, the Severe Thunderstorm Watch has been cancelled for the entire area. The Flash Flood Watch has been scaled back to where showers and storms with heavy rain will last a couple more hours.

7:38 PM - Portions of the Severe Thunderstorm Watch have been cancelled. The Watch remains in effect until 10 PM for are...
06/18/2019

7:38 PM - Portions of the Severe Thunderstorm Watch have been cancelled. The Watch remains in effect until 10 PM for areas shaded in pink, where strong to severe storms remain possible.

A Flash Flood Watch (Green) and a Severe Thunderstorm Watch (Pink) are in effect through this evening for areas shaded i...
06/18/2019

A Flash Flood Watch (Green) and a Severe Thunderstorm Watch (Pink) are in effect through this evening for areas shaded in the maps below. Stay informed and be ready to take action if you receive a warning!

Thunderstorms and showers likely this afternoon with some strong to severe storms possible that could produce damaging w...
06/18/2019

Thunderstorms and showers likely this afternoon with some strong to severe storms possible that could produce damaging winds and isolated large hail.

Thunderstorms are expected to develop again today. Lighter atmospheric winds  will likely reduce the severe weather risk...
06/18/2019

Thunderstorms are expected to develop again today. Lighter atmospheric winds will likely reduce the severe weather risk compared to yesterday. However, slower storm motion will likely increase the risk of flooding. A flash flood watch is in effect this afternoon and evening.

NOAA National Centers for Environmental Information - Climate
06/18/2019

NOAA National Centers for Environmental Information - Climate

Maryland has set a new annual extreme precipitation record for the state. The historic amount—84.56 inches in 2018—was reported in Catonsville, southwest of Baltimore. It was assigned its record status from the State Climate Extremes Committee, made up of members from NCEI, the National Weather Service, and state and local officials. Learn about other extreme weather records by state: http://bit.ly/2zU6iep

A chance of showers and perhaps an isolated thunderstorm will persist through the night. However, additional severe weat...
06/18/2019

A chance of showers and perhaps an isolated thunderstorm will persist through the night. However, additional severe weather is not expected.

06/18/2019

See damage/hail from this afternoon/evening's storms? Please comment below with your report. Thank you! #MDWX #WVWX #VAWX

The Flash Flood Watch has been trimmed back and now only includes much of northern/north-central MD. Numerous thundersto...
06/17/2019

The Flash Flood Watch has been trimmed back and now only includes much of northern/north-central MD. Numerous thunderstorms still expected this afternoon, some of which could produce damaging winds. Most likely time period is between 2-8pm.

A stalled front and a passing disturbance, combined with a tropical air mass, will result in a risk of severe storms and...
06/17/2019

A stalled front and a passing disturbance, combined with a tropical air mass, will result in a risk of severe storms and flooding rains today(Monday). A slight risk of severe weather exists across much of the region, and flash flood watches are also in effect.

Low temperatures tonight will range through the 60s. Most locations will remain dry although a few showers are possible ...
06/16/2019

Low temperatures tonight will range through the 60s. Most locations will remain dry although a few showers are possible north and west of the I-95 corridor.

A dry Saturday evening is expected with 7 PM temperatures in the 70s to around 80F.
06/15/2019

A dry Saturday evening is expected with 7 PM temperatures in the 70s to around 80F.

06/15/2019

Clouds continue to linger across the region thanks to moist air hanging around in the mid-levels of the atmosphere. However, these should thin out this afternoon, with highs expected to be in the low to mid 80s.

Warmer and more humid today, but not expecting any showers or thunderstorms just yet, so if you enjoy dry weather, make ...
06/15/2019

Warmer and more humid today, but not expecting any showers or thunderstorms just yet, so if you enjoy dry weather, make the most of today. The risk of showers and thunderstorms will return Sunday and persist through much of next week.

Skies will remain mostly clear with light winds overnight.
06/15/2019

Skies will remain mostly clear with light winds overnight.

Breezy with clear to partly cloudy skies today. Dry tomorrow, with rain chances returning by Sunday afternoon. Warming t...
06/14/2019

Breezy with clear to partly cloudy skies today. Dry tomorrow, with rain chances returning by Sunday afternoon. Warming trend will begin this weekend and continue into the start of the work week.

Cool and breezy today with high temperatures in the mid 70s except 60s at the higher elevations. #DCwx #MDwx #VAwx #WVwx
06/14/2019

Cool and breezy today with high temperatures in the mid 70s except 60s at the higher elevations. #DCwx #MDwx #VAwx #WVwx

06/13/2019

Clouds beginning to clear the area as low pressure pushes off to the north and east. A cold front will push through this afternoon with showers and thunderstorms expected, some of which may produce some gusty winds.

Steady moderate rain is expected to exit the I-95 corridor around 8AM this morning with numerous showers and scattered t...
06/13/2019

Steady moderate rain is expected to exit the I-95 corridor around 8AM this morning with numerous showers and scattered thunderstorms expected to develop during the afternoon. Isolated damaging wind gusts and marginally severe hail will be possible. #DCwx #MDwx #VAwx #WVwx

Rain is starting to overspread the region at present. The rain may be heavy at times late tonight and early Thursday, an...
06/13/2019

Rain is starting to overspread the region at present. The rain may be heavy at times late tonight and early Thursday, and a rumble of thunder might be heard as well. The morning commute will be affected, and isolated instances of minor flooding are possible.

Moderate to locally heavy rain expected overnight. See map for more details.
06/12/2019

Moderate to locally heavy rain expected overnight. See map for more details.

Clouds will be on the increase throughout the day as low pressure approaches from the south with rain moving in after da...
06/12/2019

Clouds will be on the increase throughout the day as low pressure approaches from the south with rain moving in after dark. Temperatures will be very similar to yesterday in the mid to upper 70s.

Skies will remain mostly clear this evening with winds tapering off overnight.
06/11/2019

Skies will remain mostly clear this evening with winds tapering off overnight.

06/11/2019

Current satellite shows clouds clearing the area as the cold front pushes well off the east coast. Dry weather expected today, with high temperatures in the mid to upper 70s.

High pressure building into the region will bring gusty northwest winds and plenty of sunshine today. Temperatures will ...
06/11/2019

High pressure building into the region will bring gusty northwest winds and plenty of sunshine today. Temperatures will be about 5 to 7 degrees below average. Winds will diminish tonight with temperatures about 10 degrees below average.

Showers and an isolated thunderstorm will cross the area over the next few hours as a cold front moves through. Winds gu...
06/11/2019

Showers and an isolated thunderstorm will cross the area over the next few hours as a cold front moves through. Winds gusting up to 35 mph will develop after the front passes, with temperatures and humidity both dropping significantly by early Tuesday.

The weather in much of the region is presently fairly quiet, but showers and thunderstorms to the west will cross the re...
06/10/2019

The weather in much of the region is presently fairly quiet, but showers and thunderstorms to the west will cross the region tonight. Locally heavy rain is expected. An isolated instance of flooding or damaging wind cannot be ruled out, though they should be uncommon.

06/10/2019

Scattered showers will continue through midday becoming more widespread late this afternoon and into tonight.

Low pressure will form along a developing warm front and move northeast across the region. A cold front will also move a...
06/10/2019

Low pressure will form along a developing warm front and move northeast across the region. A cold front will also move across the regiont. The triple threat could bring locally heavy rain that could lead to isolated incidences of flooding this afternoon and evening.

Showers will continue through tonight. Rain may be moderate to heavy on occasion.
06/10/2019

Showers will continue through tonight. Rain may be moderate to heavy on occasion.

06/09/2019

Current radar still shows showers across the region, which should continue into the evening. Low temperatures tonight will again be in the low to mid 60s.

06/09/2019

Scattered showers will continue to build into our region through this evening.

Numerous to widespread showers will be developing today, especially across central VA & the Potomac Highlands. The rain ...
06/09/2019

Numerous to widespread showers will be developing today, especially across central VA & the Potomac Highlands. The rain may be heavy at times, particularly along the eastern slopes of the central foothills. Clouds/expected rainfall will keep temps 10-15° cooler than yesterday.

Low temperatures slightly cooler tonight than last night, but still above average with lows in the mid 60s. Showers poss...
06/08/2019

Low temperatures slightly cooler tonight than last night, but still above average with lows in the mid 60s. Showers possible in central VA again tonight, potentially spreading farther north by the morning.

US National Weather Service Baltimore/Washington's cover photo
06/08/2019

US National Weather Service Baltimore/Washington's cover photo

Weekend planner:  Aside from the central Shenadoah Valley/foothills, today will be dry. Showers likely will be making th...
06/08/2019

Weekend planner: Aside from the central Shenadoah Valley/foothills, today will be dry. Showers likely will be making their return to northern VA/eastern WV/DC/much of MD tonight→Sun. The eastern slopes of the Blue Ridge will receive the heaviest rainfall & possible flooding.

Low temperatures in the low to mid 60s under mostly cloudy skies tonight across the region. Some showers are possible ac...
06/07/2019

Low temperatures in the low to mid 60s under mostly cloudy skies tonight across the region. Some showers are possible across central VA overnight as well.

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