| Link | Event | Severity | Area | Details | Expire Time | | |
Text Link | Heat Advisory | Moderate | District of Columbia; Cecil; Southern Baltimore; Prince Georges; Anne Arundel; Charles; St. Marys; Calvert; Southeast Harford; Fairfax; Arlington/Falls Church/Alexandria; Stafford; King George; Central and Southeast Prince William/Manassas/Manassas Park | * WHAT...Heat index values around 105 expected.
* WHERE...Portions of DC, central, northeast, northern, and southern
Maryland, and central and northern Virginia.
* WHEN...Until 8 PM EDT this evening.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
| 2025-07-17T16:45:00-04:00 | | |
Text Link | Heat Advisory | Moderate | Dorchester; Wicomico; Somerset; Inland Worcester; Maryland Beaches; Caroline; Westmoreland; Richmond; Northumberland; Lancaster; Prince George; Charles City; New Kent; Gloucester; Middlesex; Mathews; Sussex; Surry; James City; Southampton; Isle of Wight; Norfolk/Portsmouth; Suffolk; Chesapeake; Virginia Beach; Accomack; Northampton; Western Hanover; Eastern Hanover; Western Chesterfield; Eastern Chesterfield (Including Col. Heights); Western Henrico (Including the City of Richmond); Eastern Henrico; Western King William; Eastern King William; Western King and Queen; Eastern King and Queen; Western Essex; Eastern Essex; York; Newport News; Hampton/Poquoson | * WHAT...Heat index values of 105 to 109 degrees expected.
* WHERE...Portions of southeast Maryland and central, east central,
eastern, north central, south central, and southeast Virginia.
* WHEN...Until 8 PM EDT this evening.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
| 2025-07-17T20:00:00-04:00 | | |
Text Link | Flood Warning | Severe | Prince William, VA; City of Manassas, VA | * WHAT...Small stream flooding is occurring along Broad Run in
Bristow and along Nokesville Road.
* WHERE...A portion of northern Virginia, including the following
county, City of Manassas and Prince William.
* WHEN...Until 500 PM EDT.
* IMPACTS...Flooding of rivers, creeks, streams, and other low-lying
and flood-prone locations is imminent or occurring.
* ADDITIONAL DETAILS...
- At 1058 AM EDT, Gauge and emergency managers reports indicate
flooding is still occurring along the Broad Run in Bristow
and on Nokesville Road.
- Some locations that will experience flooding include...
Linton Hall... Manassas...
- Please visit www.weather.gov/safety/flood for flood safety
and preparedness information
| 2025-07-17T17:00:00-04:00 | | |
Text Link | Flood Warning | Severe | Fairfax, VA; Fauquier, VA; Prince William, VA; Stafford, VA; City of Manassas Park, VA | * WHAT...Flooding caused by excessive rainfall continues.
* WHERE...A portion of northern Virginia, including the following
counties, City of Manassas Park, Fairfax, Fauquier, Prince William
and Stafford.
* WHEN...Until 230 PM EDT Thursday.
* IMPACTS...Flooding of rivers, creeks, streams, and other low-lying
and flood-prone locations is ongoing. Streams continue to rise due
to excess runoff from earlier rainfall.
* ADDITIONAL DETAILS...
- At 807 AM EDT, Cedar Run at Catlett is in Moderate Flood
Stage. Water is approaching a low spot on Flatwood Lane near
Catlett.
- Some locations that will experience flooding include...
Dale City... Lake Ridge...
Montclair... Bealeton...
Manassas... Manassas Park...
Independent Hill... Nokesville...
Opal... Catlett...
Calverton... Midland...
Bristersburg... Aden...
Somerville... Casanova...
Lois...
- Please visit www.weather.gov/safety/flood for flood safety
and preparedness information
| 2025-07-17T14:30:00-04:00 | | |
Text Link | Heat Advisory | Moderate | Frederick; Carroll; Northern Baltimore; Northwest Montgomery; Central and Southeast Montgomery; Northwest Howard; Central and Southeast Howard; Northwest Harford; Northern Fauquier; Southern Fauquier; Western Loudoun; Eastern Loudoun; Northwest Prince William | * WHAT...Heat index values around 105 expected.
* WHERE...Portions of central, north central, and northern Maryland
and northern Virginia.
* WHEN...Until 8 PM EDT this evening.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
| 2025-07-17T16:45:00-04:00 | | |
Text Link | Heat Advisory | Moderate | Dorchester; Wicomico; Somerset; Inland Worcester; Maryland Beaches; Caroline; Westmoreland; Richmond; Northumberland; Lancaster; Prince George; Charles City; New Kent; Gloucester; Middlesex; Mathews; Sussex; Surry; James City; Southampton; Isle of Wight; Norfolk/Portsmouth; Suffolk; Chesapeake; Virginia Beach; Accomack; Northampton; Western Hanover; Eastern Hanover; Western Chesterfield; Eastern Chesterfield (Including Col. Heights); Western Henrico (Including the City of Richmond); Eastern Henrico; Western King William; Eastern King William; Western King and Queen; Eastern King and Queen; Western Essex; Eastern Essex; York; Newport News; Hampton/Poquoson | * WHAT...Heat index values of 105 to 109 degrees expected.
* WHERE...Portions of southeast Maryland and central, east central,
eastern, north central, south central, and southeast Virginia.
* WHEN...Until 8 PM EDT this evening.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
| 2025-07-17T20:00:00-04:00 | | |