Interactive NWS Alert
Radar valid at 800 pm EDT, Jun 12th 2026

MDZ004>006-503>507-VAZ036>040-050-051-053-055-056-501-502-505-506-
526-527-121230-
/O.EXA.KLWX.HT.Y.0002.260612T1500Z-260613T0000Z/
Frederick-Carroll-Northern Baltimore-Northwest Montgomery-Central
and Southeast Montgomery-Northwest Howard-Central and Southeast
Howard-Northwest Harford-Nelson-Albemarle-Greene-Madison-
Rappahannock-Orange-Culpeper-Fairfax-Stafford-Spotsylvania-
Northern Fauquier-Southern Fauquier-Western Loudoun-Eastern
Loudoun-Northwest Prince William-Central and Southeast Prince
William/Manassas/Manassas Park-
1226 AM EDT Fri Jun 12 2026
...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT THIS
EVENING...
* WHAT...Heat index values around 105F expected.
* WHERE...Portions of central, north central, and northern Maryland
and central, northern, and northwest Virginia.
* WHEN...From 11 AM this morning to 8 PM EDT this evening.
* IMPACTS...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.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
&&
iNWS is an experimental service intended for NWS core partners,
including emergency managers, community leaders and other government
agencies only.