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Heat Advisory — McPherson, SD, Brown, SD, Marshall, SD, Roberts, SD, Edmunds, SD, Day, SD, Faulk, SD, Spink, SD, Grant, SD, Corson, SD, Campbell, SD, Walworth, SD, Dewey, SD, Potter, SD, Stanley, SD, Sully, SD, Hughes, SD, Hyde, SD, Hand, SD, Jones, SD, Lyman, SD, Buffalo, SD
Issued
Expires
10:00 PM CDT · Thu, Jul 16 2026
Issuing Office
NWS KABR

Affected Areas

McPherson, SD Brown, SD Marshall, SD Roberts, SD Edmunds, SD Day, SD Faulk, SD Spink, SD Grant, SD Corson, SD Campbell, SD Walworth, SD Dewey, SD Potter, SD Stanley, SD Sully, SD Hughes, SD Hyde, SD Hand, SD Jones, SD Lyman, SD Buffalo, SD

Official Bulletin

940
WWUS73 KABR 150716
NPWABR

URGENT - WEATHER MESSAGE
National Weather Service Aberdeen SD
216 AM CDT Wed Jul 15 2026

MNZ039-046-SDZ005>008-010-011-017-018-021-151730-
/O.CON.KABR.HT.Y.0002.000000T0000Z-260717T0300Z/
Traverse-Big Stone-McPherson-Brown-Marshall-Roberts-Edmunds-Day-
Faulk-Spink-Grant-
Including the cities of Ipswich, Milbank, Britton, Aberdeen,
Sisseton, Webster, Redfield, Eureka, Faulkton, Ortonville, and
Wheaton
216 AM CDT Wed Jul 15 2026

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT THURSDAY...

* WHAT...Heat index values up to 100.

* WHERE...Portions of west central Minnesota and north central and
  northeast South Dakota.

* WHEN...Until 10 PM CDT Thursday.

* 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.

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.

&&

$$

SDZ003-004-009-015-016-151730-
/O.CON.KABR.HT.Y.0002.000000T0000Z-260717T0300Z/
Corson-Campbell-Walworth-Dewey-Potter-
Including the cities of Gettysburg, Isabel, Mobridge, Herreid, and
McIntosh
216 AM CDT Wed Jul 15 2026 /116 AM MDT Wed Jul 15 2026/

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT /9 PM MDT/
THURSDAY...

* WHAT...Heat index values up to 100.

* WHERE...Campbell, Corson, Dewey, Potter, and Walworth Counties.

* WHEN...Until 10 PM CDT /9 PM MDT/ Thursday.

* 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.

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.

&&

$$

SDZ033>037-045-048-051-151730-
/O.CON.KABR.HT.Y.0002.000000T0000Z-260717T0300Z/
Stanley-Sully-Hughes-Hyde-Hand-Jones-Lyman-Buffalo-
Including the cities of Highmore, Fort Pierre, Onida, Fort Thompson,
Kennebec, Miller, Murdo, and Pierre
216 AM CDT Wed Jul 15 2026 /116 AM MDT Wed Jul 15 2026/

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 10 PM CDT /9 PM MDT/
THURSDAY...

* WHAT...Heat index values up to 100.

* WHERE...Buffalo, Hand, Hughes, Hyde, Jones, Lyman, Stanley, and
  Sully Counties.

* WHEN...Until 10 PM CDT /9 PM MDT/ Thursday.

* 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.

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.

&&

$$

Vipond