Alerts
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| Heat Advisory issued July 14 at 12:55PM EDT until July 15 at 8:00PM EDT by NWS Baltimore MD/Washington DC | ||
| NWS Baltimore MD/Washington DC | ||
| Category | Certainty | Severity |
| Met | Likely | Moderate |
| Status | Urgency | Category |
| Actual | Expected | Met |
| Effective | Ends | Expires |
| 07/14/2026 12:55 PM | 07/15/2026 08:00 PM | 07/14/2026 09:00 PM |
* WHAT...Heat index values up to 105 expected.
* WHERE...Portions of DC, central, north central, northeast,
northern, and southern Maryland, and central, northern, and
northwest Virginia.
* WHEN...From 11 AM to 8 PM EDT Wednesday.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
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Hourly Forecast
Tue, 02:00 PM
SunnyWinds: 8 mph S
Tue, 03:00 PM
SunnyWinds: 9 mph S
Tue, 04:00 PM
SunnyWinds: 9 mph S
Tue, 05:00 PM
SunnyWinds: 10 mph S
Tue, 06:00 PM
ClearWinds: 9 mph S
Tue, 07:00 PM
ClearWinds: 9 mph SW
Tue, 08:00 PM
ClearWinds: 8 mph S
Tue, 09:00 PM
ClearWinds: 8 mph SW
Tue, 10:00 PM
ClearWinds: 8 mph SW
Tue, 11:00 PM
ClearWinds: 8 mph SW
Wed, 12:00 AM
Mostly ClearWinds: 8 mph SW
Wed, 01:00 AM
Mostly ClearWinds: 7 mph SW
Wed, 02:00 AM
Mostly ClearWinds: 7 mph SW
Wed, 03:00 AM
Mostly ClearWinds: 7 mph SW
Wed, 04:00 AM
Mostly ClearWinds: 7 mph W
Wed, 05:00 AM
Partly CloudyWinds: 6 mph W
Wed, 06:00 AM
SunnyWinds: 6 mph W
Wed, 07:00 AM
SunnyWinds: 6 mph W
Wed, 08:00 AM
SunnyWinds: 6 mph W
Wed, 09:00 AM
SunnyWinds: 6 mph W
Wed, 10:00 AM
SunnyWinds: 7 mph W
Wed, 11:00 AM
SunnyWinds: 8 mph W
Wed, 12:00 PM
SunnyWinds: 8 mph W
Wed, 01:00 PM
Mostly SunnyWinds: 8 mph W
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. High pressure will remain overhead today. A period of southerly channeling may result in brief Small Craft Advisory conditions Tuesday afternoon and evening, but given the short duration it may be best handled with a Marine Weather Statement. High pressure will shift to the south the second half of the week. A weak cold front will drop southward Thursday into Friday, then a stronger cold front will approach from the north Saturday.