Headline:
Heat Advisory issued July 20 at 8:00AM CDT until July 20 at 8:00PM CDT by NWS Sioux Falls SD
Event:
Heat Advisory
Urgency:
Expected
Effective:
July 20, 2026 - 6:00am
Expires:
July 20, 2026 - 4:00pm
Description:
* WHAT...Heat index values up to 104 expected.
* WHERE...Portions of northwest Iowa and south central and southeast
South Dakota.
* WHEN...From 11 AM this morning to 8 PM CDT this evening.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
Instruction:
Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
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.
Area Description:
Lyon; Osceola; Dickinson; Sioux; O'Brien; Clay; Gregory; Charles Mix; Douglas; Hutchinson; Turner; Lincoln; Bon Homme; Yankton
Forcast Office:
NWS Sioux Falls SD
Sender: