WWUS73 KBIS 192000

NPWBIS



URGENT - WEATHER MESSAGE

National Weather Service Bismarck ND

300 PM CDT Tue Aug 19 2025



NDZ001-002-009-010-017-018-031-032-200400-

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

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

Billings-

Including the cities of New Town, Portal, Bowbells, Crosby,

Powers Lake, Williston, Killdeer, Halliday, Beach, Lignite,

Columbus, Watford City, Stanley, Parshall, and Medora

300 PM CDT Tue Aug 19 2025 /200 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...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.



&&



$$



CJS