One product issued by NWS for: Washington DC
Extreme Heat Watch
URGENT - WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 244 PM EDT Sat Jun 21 2025 DCZ001-MDZ004>006-008-011-013-014-016-503>508-VAZ053>055-502-505-506- 526-527-220245- /O.NEW.KLWX.XH.A.0001.250623T1500Z-250624T0100Z/ District of Columbia-Frederick MD-Carroll-Northern Baltimore- Cecil-Southern Baltimore-Prince Georges-Anne Arundel-Charles- Northwest Montgomery-Central and Southeast Montgomery-Northwest Howard-Central and Southeast Howard-Northwest Harford-Southeast Harford-Fairfax-Arlington/Falls Church/Alexandria-Stafford- Southern Fauquier-Western Loudoun-Eastern Loudoun-Northwest Prince William-Central and Southeast Prince William/Manassas/Manassas Park- 244 PM EDT Sat Jun 21 2025 ...EXTREME HEAT WATCH IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING... * WHAT...Dangerously hot conditions with heat index values up to 110 possible. * WHERE...Washington DC, and portions of central and northern Maryland, and northern Virginia. * WHEN...From late Monday morning through Monday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. && $$ ADS