WWUS73 KBIS 191347

NPWBIS



URGENT - WEATHER MESSAGE

National Weather Service Bismarck ND

847 AM CDT Tue Aug 19 2025



NDZ002-010-192200-

/O.EXP.KBIS.FG.Y.0013.000000T0000Z-250819T1400Z/

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

Burke-Mountrail-

Including the cities of New Town, Portal, Bowbells, Powers Lake,

Lignite, Columbus, Stanley, and Parshall

847 AM CDT Tue Aug 19 2025



...HEAT ADVISORY REMAINS IN EFFECT FROM 1 PM TO 7 PM CDT WEDNESDAY...

...DENSE FOG ADVISORY WILL EXPIRE AT 9 AM CDT THIS MORNING...



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



* WHERE...Burke and Mountrail Counties.



* WHEN...From 1 PM to 7 PM CDT 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.



&&



$$



NDZ019>021-025-037-191500-

/O.EXP.KBIS.FG.Y.0013.000000T0000Z-250819T1400Z/

Mercer-Oliver-McLean-Foster-Stutsman-

Including the cities of Jamestown, Turtle Lake, Wilton,

Carrington, Underwood, Center, Garrison, Washburn, Hazen, and

Beulah

847 AM CDT Tue Aug 19 2025 /747 AM MDT Tue Aug 19 2025/



...DENSE FOG ADVISORY WILL EXPIRE AT 9 AM CDT /8 AM MDT/ THIS 

MORNING...



The threat of widespread dense fog has ended.



$$



NDZ003>005-011>013-022-023-191600-

/O.EXT.KBIS.FG.Y.0013.000000T0000Z-250819T1600Z/

Renville-Bottineau-Rolette-Ward-McHenry-Pierce-Sheridan-Wells-

Including the cities of Towner, Drake, Rugby, Sherwood, Dunseith,

Harvey, Goodrich, Rolette, Mohall, Minot, Mcclusky, Fessenden,

Rolla, Glenburn, Bottineau, St. John, Shell Valley, and Velva

847 AM CDT Tue Aug 19 2025



...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 11 AM CDT THIS MORNING...



* WHAT...Visibility one quarter to one half mile in dense fog.



* WHERE...Portions of north central and south central North Dakota.



* WHEN...Until 11 AM CDT this morning.



* IMPACTS...Low visibility could make driving conditions hazardous.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



If driving, slow down, use your headlights, and leave plenty of 

distance ahead of you.



&&



$$



NDZ001-009-017-018-031-032-192200-

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

Divide-Williams-McKenzie-Dunn-Golden Valley-Billings-

Including the cities of Crosby, Williston, Killdeer, Halliday,

Beach, Watford City, and Medora

847 AM CDT Tue Aug 19 2025 /747 AM 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 northwest and southwest 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