Extreme Heat Warning issued July 4 at 5:02PM EDT until July 4 at 9:00PM EDT by NWS Baltimore MD/Washington DC

District of Columbia; Frederick; Carroll; Northern Baltimore; Cecil; Southern Baltimore; Prince Georges; Anne Arundel; Charles; St. Marys; Calvert; Northwest Montgomery; Central and Southeast Montgomery; Northwest Howard; Central and Southeast Howard; Northwest Harford; Southeast Harford; Nelson; Albemarle; Greene; Madison; Rappahannock; Orange; Culpeper; Fairfax; Arlington/Falls Church/Alexandria; Stafford; Spotsylvania; King George; Northern Fauquier; Southern Fauquier; Western Loudoun; Eastern Loudoun; Northwest Prince William; Central and Southeast Prince William/Manassas/Manassas Park

Severe Thunderstorm Watch issued July 4 at 2:16PM EDT until July 4 at 10:00PM EDT by NWS Baltimore MD/Washington DC

District of Columbia, DC; Allegany, MD; Anne Arundel, MD; Baltimore, MD; Calvert, MD; Carroll, MD; Cecil, MD; Charles, MD; Frederick, MD; Garrett, MD; Harford, MD; Howard, MD; Montgomery, MD; Prince Georges, MD; St. Marys, MD; Washington, MD; Baltimore City, MD; Albemarle, VA; Arlington, VA; Augusta, VA; Clarke, VA; Culpeper, VA; Fairfax, VA; Fauquier, VA; Frederick, VA; Greene, VA; Highland, VA; King George, VA; Loudoun, VA; Madison, VA; Nelson, VA; Orange, VA; Page, VA; Prince William, VA; Rappahannock, VA; Rockingham, VA; Shenandoah, VA; Spotsylvania, VA; Stafford, VA; Warren, VA; City of Alexandria, VA; City of Charlottesville, VA; City of Fairfax, VA; City of Falls Church, VA; City of Fredericksburg, VA; City of Harrisonburg, VA; City of Manassas, VA; City of Manassas Park, VA; City of Staunton, VA; City of Waynesboro, VA; City of Winchester, VA; Berkeley, WV; Grant, WV; Hampshire, WV; Hardy, WV; Jefferson, WV; Mineral, WV; Morgan, WV; Pendleton, WV