URGENT - WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
221 PM EDT Sun Jun 22 2025 MDZ003-VAZ027>031-WVZ052-053-230230- /O.UPG.KLWX.XH.A.0001.250623T1500Z-250624T0100Z/ /O.NEW.KLWX.XH.W.0001.250623T1500Z-250624T0100Z/ /O.NEW.KLWX.XH.A.0002.250624T1500Z-250625T0100Z/ /O.CON.KLWX.HT.Y.0001.000000T0000Z-250623T0000Z/ Washington-Shenandoah-Frederick VA-Page-Warren-Clarke-Berkeley- Jefferson- 221 PM EDT Sun Jun 22 2025 ... HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... ... EXTREME HEAT WARNING IN EFFECT FROM 11 AM TO 9 PM EDT MONDAY... ... EXTREME HEAT WATCH IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY EVENING...
* WHAT... For the Heat Advisory, heat index values up to 104. For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 107 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 107 possible.
* WHERE... In Maryland, Washington County. In Virginia, Clarke, Frederick, Page, Shenandoah, and Warren Counties. In West Virginia, Berkeley and Jefferson Counties.
* WHEN... For the Heat Advisory, until 8 PM EDT this evening. For the Extreme Heat Warning, from 11 AM to 9 PM EDT Monday. For the Extreme Heat Watch, from Tuesday morning through Tuesday evening.
* IMPACTS... Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses. 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. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.
URGENT - WEATHER MESSAGE
National Weather Service Baltimore MD/Washington DC
244 PM EDT Sat Jun 21 2025 MDZ003-VAZ027>031-WVZ052-053-220245- /O.NEW.KLWX.HT.Y.0001.250622T1600Z-250623T0000Z/ /O.NEW.KLWX.XH.A.0001.250623T1500Z-250624T0100Z/ Washington-Shenandoah-Frederick VA-Page-Warren-Clarke-Berkeley- Jefferson- 244 PM EDT Sat Jun 21 2025 ... HEAT ADVISORY IN EFFECT FROM NOON TO 8 PM EDT SUNDAY... ... EXTREME HEAT WATCH IN EFFECT FROM MONDAY MORNING THROUGH MONDAY EVENING...
* WHAT... For the Heat Advisory, heat index values up to 103 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 107 possible.
* WHERE... In Maryland, Washington County. In Virginia, Clarke, Frederick, Page, Shenandoah, and Warren Counties. In West Virginia, Berkeley and Jefferson Counties.
* WHEN... For the Heat Advisory, from noon to 8 PM EDT Sunday. For the Extreme Heat Watch, from late Monday morning through Monday evening.
* IMPACTS... Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses. 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.
