WWUS73 KBIS 192303

NPWBIS



URGENT - WEATHER MESSAGE

National Weather Service Bismarck ND

603 PM CDT Tue Aug 19 2025



NDZ001-002-009-010-017-018-031-032-200715-

/O.CON.KBIS.HT.Y.0003.250820T1800Z-250821T0000Z/

Divide-Burke-Williams-Mountrail-McKenzie-Dunn-Golden Valley-

Billings-

Including the cities of Watford City, Crosby, Killdeer, Lignite,

Powers Lake, Columbus, New Town, Stanley, Williston, Bowbells,

Portal, Halliday, Beach, Medora, and Parshall

603 PM CDT Tue Aug 19 2025 /503 PM MDT Tue Aug 19 2025/



...HEAT ADVISORY REMAINS IN EFFECT FROM 1 PM CDT /NOON MDT/ TO 7 PM 

CDT /6 PM MDT/ WEDNESDAY...



* WHAT...Heat index values around 100 expected.



* WHERE...Portions of western North Dakota.



* WHEN...From 1 PM CDT /noon MDT/ to 7 PM CDT /6 PM MDT/ Wednesday.



* IMPACTS...High temperatures and high humidity could 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.



&&



$$



Hargrove