Alerts
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| Flood Watch issued July 6 at 11:22PM EDT until July 7 at 2:00AM EDT by NWS Baltimore MD/Washington DC | ||
| NWS Baltimore MD/Washington DC | ||
| Category | Certainty | Severity |
| Met | Possible | Severe |
| Status | Urgency | Category |
| Actual | Future | Met |
| Effective | Ends | Expires |
| 07/06/2026 11:22 PM | 07/07/2026 02:00 AM | 07/07/2026 02:00 AM |
...The combination of a slow moving frontal zone with a tropical air
mass in place will increase the risk of flash flooding through this
evening...
* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.
* WHERE...Washington DC, including the following areas in Maryland,
including Anne Arundel, Calvert, Carroll, Cecil, Central and
Southeast Howard, Central and Southeast Montgomery, Charles,
Frederick, Northern Baltimore, Northwest Harford, Northwest
Howard, Northwest Montgomery, Prince Georges, Southeast Harford,
Southern Baltimore, St. Marys and Washington, and Virginia,
including the following areas, Albemarle, Arlington/Falls
Church/Alexandria, Central and Southeast Prince
William/Manassas/Manassas Park, Culpeper, Eastern Loudoun,
Fairfax, Greene, King George, Madison, Northern Fauquier,
Northwest Prince William, Orange, Rappahannock, Southern Fauquier,
Spotsylvania, Stafford and Western Loudoun.
* WHEN...Until 2 AM EDT Tuesday.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas.
* ADDITIONAL DETAILS...
- Multiple rounds of heavy rainfall are possible through this
evening into the early overnight hours, some of which may
occur over areas which recently experienced flooding rains.
Slow storm motions and repeat thunderstorm activity will
occur within a tropical air mass. Hourly rainfall rates could
push into the 2 to 3 inch range in the strongest storms, with
an inch in 20 minutes possible.
- Please visit www.weather.gov/safety/flood for flood safety
and preparedness information.
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Hourly Forecast
Tue, 01:00 AM
Patchy FogWinds: 5 mph NE
Tue, 02:00 AM
Scattered Showers And ThunderstormsWinds: 5 mph NE
Tue, 03:00 AM
Scattered Showers And ThunderstormsWinds: 5 mph NE
Tue, 04:00 AM
Scattered Rain ShowersWinds: 5 mph NE
Tue, 05:00 AM
Isolated Rain ShowersWinds: 6 mph NE
Tue, 06:00 AM
Chance Rain ShowersWinds: 6 mph NE
Tue, 07:00 AM
Chance Rain ShowersWinds: 6 mph NE
Tue, 08:00 AM
Patchy FogWinds: 6 mph NE
Tue, 09:00 AM
Patchy FogWinds: 6 mph NE
Tue, 10:00 AM
Slight Chance Rain ShowersWinds: 6 mph NE
Tue, 11:00 AM
Slight Chance Rain ShowersWinds: 6 mph NE
Tue, 12:00 PM
Slight Chance Rain ShowersWinds: 6 mph NE
Tue, 01:00 PM
Slight Chance Rain ShowersWinds: 6 mph NE
Tue, 02:00 PM
Chance Showers And ThunderstormsWinds: 6 mph NE
Tue, 03:00 PM
Chance Showers And ThunderstormsWinds: 6 mph NE
Tue, 04:00 PM
Chance Showers And ThunderstormsWinds: 7 mph NE
Tue, 05:00 PM
Chance Showers And ThunderstormsWinds: 7 mph NE
Tue, 06:00 PM
Chance Showers And ThunderstormsWinds: 7 mph NE
Tue, 07:00 PM
Chance Showers And ThunderstormsWinds: 7 mph NE
Tue, 08:00 PM
Chance Showers And ThunderstormsWinds: 7 mph NE
Tue, 09:00 PM
Showers And Thunderstorms LikelyWinds: 8 mph NE
Tue, 10:00 PM
Showers And Thunderstorms LikelyWinds: 8 mph E
Tue, 11:00 PM
Showers And Thunderstorms LikelyWinds: 9 mph E
Wed, 12:00 AM
Chance Showers And ThunderstormsWinds: 9 mph NE
Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY.
Tidal Potomac River and Maryland portion of Chesapeake Bay. Forecasts of wave heights do not include effects of wind direction relative to tidal currents. Expect higher waves when winds are blowing against the tidal flow. Waves flat where waters are iced over. A stationary front will meander nearby through Tuesday morning before moving south toward the Carolinas by mid-week. Special Marine Warnings will be needed at times, particularly through Tuesday. This boundary eventually dissipates later in the week. Winds shift to southerly on Thursday. Another frontal system approaches from the west by Friday.