948 
WWUS73 KBIS 202150
NPWBIS

URGENT - WEATHER MESSAGE
National Weather Service Bismarck ND
450 PM CDT Wed Aug 20 2025

NDZ001>003-009>011-017>021-031>034-040>045-210000-
/O.CON.KBIS.HT.Y.0003.000000T0000Z-250821T0000Z/
Divide-Burke-Renville-Williams-Mountrail-Ward-McKenzie-Dunn-
Mercer-Oliver-McLean-Golden Valley-Billings-Stark-Morton-Slope-
Hettinger-Grant-Bowman-Adams-Sioux-
Including the cities of Solen, Portal, Carson, Medora, Sherwood,
Dickinson, Stanley, Halliday, Bowbells, Hettinger, New Town,
Garrison, New England, Williston, Lignite, Marmarth, New Leipzig,
Beulah, Fort Yates, Powers Lake, Minot, Killdeer, Beach, Hazen,
Underwood, Selfridge, Columbus, Elgin, Mott, Glenburn, Mohall,
Washburn, Mandan, Wilton, Parshall, Crosby, Center, Bowman,
Watford City, and Turtle Lake
450 PM CDT Wed Aug 20 2025 /350 PM MDT Wed Aug 20 2025/

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT /6 PM MDT/ THIS 
EVENING...

* WHAT...Heat index values around 103 expected.

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

* WHEN...Until 7 PM CDT /6 PM MDT/ 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 the evening. 
Take action when you see symptoms of heat exhaustion and heat stroke.

&&

$$

Telken