Heat Advisory
URGENT - WEATHER MESSAGE
National Weather Service Bismarck ND
439 AM CDT Tue Aug 19 2025
NDZ001-009-017-018-031-032-191745-
/O.CON.KBIS.HT.Y.0003.250820T1800Z-250821T0000Z/
Divide-Williams-McKenzie-Dunn-Golden Valley-Billings-
Including the cities of Killdeer, Beach, Halliday, Watford City,
Crosby, Williston, and Medora
439 AM CDT Tue Aug 19 2025 /339 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.
&&
$$
Smith
URGENT - WEATHER MESSAGE
National Weather Service Bismarck ND
439 AM CDT Tue Aug 19 2025
NDZ002-010-191745-
/O.NEW.KBIS.FG.Y.0013.250819T0939Z-250819T1400Z/
/O.CON.KBIS.HT.Y.0003.250820T1800Z-250821T0000Z/
Burke-Mountrail-
Including the cities of Bowbells, New Town, Stanley, Lignite,
Parshall, Columbus, Powers Lake, and Portal
439 AM CDT Tue Aug 19 2025
...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CDT THIS MORNING...
...HEAT ADVISORY REMAINS IN EFFECT FROM 1 PM TO 7 PM CDT WEDNESDAY...
* WHAT...For the Dense Fog Advisory, visibility 1/4 mile or less.
For the Heat Advisory, heat index values around 100 expected.
* WHERE...Burke and Mountrail Counties.
* WHEN...For the Dense Fog Advisory, until 9 AM CDT this morning.
For the Heat Advisory, from 1 PM to 7 PM CDT Wednesday.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses. Low visibility will make driving conditions hazardous.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Glasgow MT
314 AM MDT Tue Aug 19 2025
MTZ016>027-059>062-200000-
/O.CON.KGGW.HT.Y.0004.250819T1600Z-250821T0200Z/
Central and Southeast Phillips-Central and Southern Valley-
Daniels-Sheridan-Western Roosevelt-Petroleum-Garfield-McCone-
Richland-Dawson-Prairie-Wibaux-Northern Phillips-Southwest
Phillips-Northern Valley-Eastern Roosevelt-
Including Fairview, Hinsdale, Circle, Opheim, Frazer, Winnett,
Sidney, Glasgow, Scobey, Saco, Medicine Lake, Whitewater, Terry,
Malta, Glendive, Zortman, Fort Peck, Culbertson, Poplar, Wibaux,
Jordan, Richey, Wolf Point, and Plentywood
314 AM MDT Tue Aug 19 2025
...HEAT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 8 PM
MDT WEDNESDAY...
* WHAT...Highs between 95 and 105 expected.
* WHERE...All of northeast Montana.
* WHEN...From 10 AM this morning to 8 PM MDT Wednesday.
* IMPACTS...Hot temperatures may cause heat illnesses to occur.
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.
Young children and pets should never be left unattended in vehicles
under any circumstances. Car interiors can reach lethal temperatures
in a matter of minutes.
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.
To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.
&&
$$
Forrester
URGENT - WEATHER MESSAGE
National Weather Service Billings MT
123 AM MDT Tue Aug 19 2025
MTZ029>033-036-037-057-058-138-139-169-170-173-235-WYZ199-200730-
/O.CON.KBYZ.HT.Y.0003.250819T1500Z-250821T0300Z/
Musselshell-Treasure-Northern Rosebud-Custer-Fallon-Powder River-
Carter-Northern Big Horn-Southern Rosebud-Southern Big Horn-
Southeastern Carbon-Bighorn Canyon-Northern Carbon-Northeastern
Yellowstone-Southwestern Yellowstone-Sheridan Foothills-
Including the locations of Custer, Miles City, Joliet, Bridger,
Fromberg, Hardin, Forsyth, Lodge Grass, Pompeys Pillar, Billings,
Pryor, Ekalaka, Baker, Lame Deer, Roundup, Broadus, Fort Smith,
Sheridan, Crow Agency, Colstrip, and Hysham
123 AM MDT Tue Aug 19 2025
...HEAT ADVISORY REMAINS IN EFFECT FROM 9 AM THIS MORNING TO 9 PM
MDT WEDNESDAY...
* WHAT...Temperatures from 95 to 105 expected each afternoon.
* WHERE...Portions of central, south central, and southeast Montana
and north central Wyoming.
* WHEN...From 9 AM this morning to 9 PM MDT Wednesday.
* IMPACTS...Hot temperatures may cause heat illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.
&&
$$
Additional graphics for this hazard can be found at
http://www.weather.gov/billings
Archer
