US National Weather Service Baltimore/Washington

US National Weather Service Baltimore/Washington Facebook posts do not always reflect the most current information. For current official info, visit: http://www.weather.gov/lwx.

NWS will be using Facebook as a supplemental channel to disseminate environmental information and promote weather awareness activities including outreach and educational efforts.

Skies remain mostly cloudy through the evening with temps in the 30s.Clearing overnight; lows in the 20s (away from the ...
12/25/2018

Skies remain mostly cloudy through the evening with temps in the 30s.
Clearing overnight; lows in the 20s (away from the urban downtowns & western shore of the Bay).

More clouds than sun can be expected today, and there may even be some scattered snow flurries across the mountain/valle...
12/25/2018

More clouds than sun can be expected today, and there may even be some scattered snow flurries across the mountain/valley region. High temperatures will be within a few degrees of normal.

For this evening, temperatures will fall through the 30s with dry conditions and a lingering breeze. Map shown is foreca...
12/24/2018

For this evening, temperatures will fall through the 30s with dry conditions and a lingering breeze. Map shown is forecast temperatures at 7 PM.

Blustery and seasonably chilly today.
12/24/2018

Blustery and seasonably chilly today.

12/24/2018

Showers are overspreading the area from west to east. These showers will persist through much of the night, before moving out of the area prior to daybreak. Precipitation type will be predominantly rain, but higher elevations will receive some snow as well.

12/23/2018
Current Satellite Loop 12/23/18

High clouds beginning to spread across the region this afternoon ahead of a weak low pressure system that will move across the area tonight.

Seasonably chilly today with increasing clouds.
12/23/2018

Seasonably chilly today with increasing clouds.

12/22/2018

Gusty northwest winds are helping deliver mountain wave clouds across the region today. Winds gusting 25-30 mph are expected to diminish by this evening as high pressure builds to our south. Temperatures this afternoon will generally range in the 40s to lower 50s. Get our latest forecast by visiting us at weather.gov/lwx.

12/22/2018

The NWS will operate 24x7 through the government shutdown to provide reliable forecast and warning information. We will continue to update our website and social media, but posts and replies will be limited to subjects directly related to forecasts and warnings. Thank you for your understanding.

Blustery and seasonably chilly today. See map for details regarding the maximum wind gusts today.
12/22/2018

Blustery and seasonably chilly today. See map for details regarding the maximum wind gusts today.

Showers will gradually move out of the area tonight. Cooling off and becoming quite windy by tomorrow morning.
12/22/2018

Showers will gradually move out of the area tonight. Cooling off and becoming quite windy by tomorrow morning.

12/21/2018

If you see any trees, branches or wires down, or hail, let us know (when it's safe to do so!)

12/21/2018

Much of the area is dry right now, but we expect showers and thunderstorms to form this afternoon across portions of central VA and progress northward.

The Flood Watch continues through this afternoon. Unseasonably warm today with showers and perhaps an isolated afternoon...
12/21/2018

The Flood Watch continues through this afternoon. Unseasonably warm today with showers and perhaps an isolated afternoon/evening thunderstorm. For latest information on flood Watches and warnings, click here http://ht.ly/5gu730n4kdj

12/21/2018
Current Radar 12/20/2018

Light to moderate rain continues to overspread the region this evening. Rainfall rates will pick up overnight. 1"-2" of rain expected, with locally higher amounts of 3"-4" possible.

With heavy rain expected tonight, there will be a potential for flooding. Nighttime flooding is a dangerous hazard and i...
12/20/2018

With heavy rain expected tonight, there will be a potential for flooding. Nighttime flooding is a dangerous hazard and is usually very hard to see. Slow down, never drive through flooded roadways, and as always, turn around down drown! #TADD weather.gov/safety/flood

12/20/2018

A wet afternoon and evening commute is in store as rain overspreads the area. The rain is expected to be heavy at times tonight, resulting in the potential for flooding. Get the latest forecast and information on current watches/warnings at weather.gov/lwx.

We have expanded the Flood Watch to include Allegany County in MD, Grant-Mineral-Pendleton counties in WV, and Highland ...
12/20/2018

We have expanded the Flood Watch to include Allegany County in MD, Grant-Mineral-Pendleton counties in WV, and Highland County in VA, in effect this evening through Friday afternoon. 1-2 inches of rainfall is most likely, with locally higher amounts around 3-4 inches possible. Complete details: https://bit.ly/2EuUe6n

12/20/2018

Rain will overspread the area this afternoon and evening as low pressure over the southeast U.S. tracks northward. Rain will be heavy at times tonight bringing the potential for flooding given the ground remains very saturated with the recent rainfall. A Flood Watch is in effect this evening through Friday afternoon. Latest: https://bit.ly/2EuUe6n.

Rain will overspread the region by this afternoon and become heavy at times this evening and tonight. Widespread amounts...
12/20/2018

Rain will overspread the region by this afternoon and become heavy at times this evening and tonight. Widespread amounts of 1-2" of rain are forecast and a Flood Watch is in effect for much of the region from this evening through Friday.

High clouds linger tonight, with low temperatures in the low 30s across the area. More clouds move in tomorrow morning a...
12/20/2018

High clouds linger tonight, with low temperatures in the low 30s across the area. More clouds move in tomorrow morning ahead of the next storm system, which will bring rain by tomorrow afternoon.

High clouds are starting move over the region. Temperatures this afternoon will hover in the mid to upper 40 and lower 5...
12/19/2018

High clouds are starting move over the region. Temperatures this afternoon will hover in the mid to upper 40 and lower 50s.

Mostly sunny and dry weather is expected today with highs from the upper 40s to low 50s. Widespread rain is then expecte...
12/19/2018

Mostly sunny and dry weather is expected today with highs from the upper 40s to low 50s. Widespread rain is then expected from Thursday afternoon and into Friday, with 1-2" of rain likely, and a Flood Watch has been issued for Thursday night and Friday.

Tonight will be mostly clear, calm, and cold.
12/19/2018

Tonight will be mostly clear, calm, and cold.

We always enjoy recognizing our dedicated, volunteer Cooperative Observers who report their past day's weather to us eve...
12/18/2018
National Weather Service salutes Hagerstown weather observer

We always enjoy recognizing our dedicated, volunteer Cooperative Observers who report their past day's weather to us every day. These observations not only help out with forecasting and verifying conditions across our area, but also help track long term climate. Today we recognized 45 years of daily weather records in Hagerstown MD from Mr. Keefer. http://ht.ly/diHX30n2hMQ

Watching the weather once worried Hagerstown's Greg Keefer.

Skies will clear today with much cooler temperatures in the low to mid 40s.
12/18/2018

Skies will clear today with much cooler temperatures in the low to mid 40s.

Colder weather returns tonight as a northwest breeze persists in many locations.
12/18/2018

Colder weather returns tonight as a northwest breeze persists in many locations.

Here's an updated map of preliminary storm total rainfall amounts from this weekend (Friday afternoon through Sunday eve...
12/17/2018

Here's an updated map of preliminary storm total rainfall amounts from this weekend (Friday afternoon through Sunday evening). Some spots in the DC suburbs and higher terrain got nearly 4.5 inches! Full list: http://ht.ly/egsR30n143H & Flooding reports: http://ht.ly/xFnm30n145K

Rain has fully moved out of the region and drier conditions are expected through Wednesday. Flood warnings are still eff...
12/17/2018

Rain has fully moved out of the region and drier conditions are expected through Wednesday. Flood warnings are still effect for multiple locations. Remember Turn Around Don't Drown!

Gradually clearing skies tonight with low temperatures in the 30s.
12/17/2018

Gradually clearing skies tonight with low temperatures in the 30s.

A Coastal Flood Warning has been issued for shoreline in Washington DC from 11 PM tonight to 1 PM Tuesday. See www.weath...
12/16/2018

A Coastal Flood Warning has been issued for shoreline in Washington DC from 11 PM tonight to 1 PM Tuesday. See www.weather.gov/lwx for the latest.

Here's a preliminary map of storm total rainfall across our area since Friday afternoon. Highest totals appear to have b...
12/16/2018

Here's a preliminary map of storm total rainfall across our area since Friday afternoon. Highest totals appear to have been around Big Meadows on the Blue Ridge and near the Tysons/Vienna section of Fairfax, where 4.25"+ of #rain was observed. Full list: http://ht.ly/j7BR30n0ovo

Latest active Flood Watches/Warnings across the area. Use caution if travelling this morning as numerous roads and area ...
12/16/2018

Latest active Flood Watches/Warnings across the area. Use caution if travelling this morning as numerous roads and area streams/rivers are experiencing flooding. Additional rain is expected later this morning and into this afternoon, however amounts will be lighter at around a half inch or less. Get the latest forecast information at weather.gov/lwx.

12/16/2018

1130pm Radar Update: Light to moderate rain continues moving northward across the area. Up to an additional inch of rainfall is likely overnight, mainly north of US-50. Latest: weather.gov/lwx.

Numerous Flood Warnings have been issued across the area this evening. An additional 1-2 inches of rainfall likely overn...
12/16/2018

Numerous Flood Warnings have been issued across the area this evening. An additional 1-2 inches of rainfall likely overnight, mainly near and north of US-50. Be on alert for standing water, heed all road closures, and never drive through flooded roadways! Stay up on the latest warnings by visiting weather.gov/lwx.

12/15/2018

Rain is filling back in, and another round of steady rain is expected through the evening.

Here are the rainfall reports over 1" received this AM. Around 1" addtl rain can be expected thru midngt; locally near 1...
12/15/2018

Here are the rainfall reports over 1" received this AM. Around 1" addtl rain can be expected thru midngt; locally near 1.5" possible. More rain forecast Sun, although it should be lighter.

A Flood Watch in effect. Warnings may be required. Do not drive through flooded roads!

12/15/2018

River Flood Watches have been issued for the following sites:
Opequon Creek at Martinsburg
Shenandoah River at Millville
Potomac River at Shepherdstown
Potomac River at Point of Rocks
Potomac River at Edwards Ferry

Visit weather.gov/lwx, click Rivers&Lakes for more info.

Record wettest calendar year set at Ronald Reagan Washington National Airport
12/15/2018

Record wettest calendar year set at Ronald Reagan Washington National Airport

12/15/2018

Lots of moisture on radar this morning and that will continue to be the case today with periods of rain expected. A Flood Watch is in effect today through late tonight, with the most likely rainfall amounts of 1.5 to 2.5 inches. Locally higher amounts will be possible. Latest: https://bit.ly/2EuUe6n.

12/15/2018

Periods of light to moderate rain continue to move across the area this evening, with much of the same expected overnight. With 0.28 inches of rainfall in Washington D.C. today, 2018 now ranks as the 2nd wettest year on record with 61.06 inches. Just another 0.28 inches is needed to break the record wettest year of 61.33 inches set in 1889.

Light to moderate rain has overspread the area and will persist through the night.
12/15/2018

Light to moderate rain has overspread the area and will persist through the night.

While #rain will move in this afternoon, the potential for flooding will likely not come until Saturday into Sunday morn...
12/14/2018

While #rain will move in this afternoon, the potential for flooding will likely not come until Saturday into Sunday morning. Stay alert & updated Sat & Sun for possible warnings & flooding impacts that may occur.

[1040am] A patch of light rain over the Potomac Highlands late this AM, but a more substantial area of rain will arrive ...
12/14/2018

[1040am] A patch of light rain over the Potomac Highlands late this AM, but a more substantial area of rain will arrive noon-3pm in VA/WV & spread north of the Potomac River between 3-6 pm. Locally heavy rain possible tonight. Flood Watch remains in effect.

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43858 Weather Service Rd
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