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Heat Advisory — McPherson, SD, Brown, SD, Marshall, SD, Roberts, SD, Edmunds, SD, Day, SD, Clark, SD, Grant, SD, Deuel, SD, Corson, SD, Campbell, SD, Walworth, SD, Dewey, SD, Potter, SD, Faulk, SD, Spink, SD, Stanley, SD, Sully, SD, Hughes, SD, Hyde, SD, Hand, SD, Jones, SD, Lyman, SD, Buffalo, SD
Issued
Expires
9:00 PM CDT · Wed, Jul 29 2026
Issuing Office
NWS KABR

Affected Areas

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

Official Bulletin

786
WWUS73 KABR 291742
NPWABR

URGENT - WEATHER MESSAGE
National Weather Service Aberdeen SD
1242 PM CDT Wed Jul 29 2026

MNZ039-046-SDZ005>008-010-011-019-021-023-300200-
/O.EXB.KABR.HT.Y.0006.000000T0000Z-260730T0200Z/
Traverse-Big Stone-McPherson-Brown-Marshall-Roberts-Edmunds-Day-
Clark-Grant-Deuel-
Including the cities of Clear Lake, Ortonville, Britton, Sisseton,
Aberdeen, Webster, Milbank, Eureka, Wheaton, Ipswich, and Clark
1242 PM CDT Wed Jul 29 2026

...HEAT ADVISORY IN EFFECT UNTIL 9 PM CDT THIS EVENING...

* WHAT...Heat index values up to 103.

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

* WHEN...Until 9 PM CDT 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 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>018-033>037-045-048-051-300200-
/O.EXT.KABR.HT.Y.0006.000000T0000Z-260730T0200Z/
Corson-Campbell-Walworth-Dewey-Potter-Faulk-Spink-Stanley-Sully-
Hughes-Hyde-Hand-Jones-Lyman-Buffalo-
Including the cities of McIntosh, Gettysburg, Miller, Murdo, Fort
Pierre, Redfield, Fort Thompson, Mobridge, Onida, Isabel, Pierre,
Kennebec, Herreid, Highmore, and Faulkton
1242 PM CDT Wed Jul 29 2026 /1142 AM MDT Wed Jul 29 2026/

...HEAT ADVISORY NOW IN EFFECT UNTIL 9 PM CDT /8 PM MDT/ THIS
EVENING...

* WHAT...Heat index values up to 103.

* WHERE...Portions of central, north central, and northeast South
  Dakota.

* WHEN...Until 9 PM CDT /8 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 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.

&&

$$

MMM