# HEADLINE
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HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING
HEAT ADVISORY REMAINS IN EFFECT FROM 1 PM TO 8 PM CDT THURSDAY
# DETAILS
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WHAT
For the first Heat Advisory, heat index values up to around 110. For the second Heat Advisory, heat index values up to 109 expected.
WHERE
In Oklahoma, Jefferson and Cotton Counties. In Texas, Archer, Baylor, Clay, Foard, Knox, Wichita, and Wilbarger Counties.
WHEN
For the first Heat Advisory, until 8 PM CDT this evening. For the second Heat Advisory, from 1 PM to 8 PM CDT Thursday.
IMPACTS
Hot temperatures and high humidity may cause heat illnesses.
ISSUED AT
Wednesday, June 17, 2026 at 3:29 PM CDT
ISSUED BY
National Weather Service Norman OK
HEADER
URGENT - WEATHER MESSAGE
# PRECAUTIONARY/PREPAREDNESS ACTIONS
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Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
# AREAS AFFECTED
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Archer, Baylor, Clay, Cotton, Foard, Jefferson, Knox, Wichita, Wilbarger
Including the cities of Henrietta, Archer City, Temple, Walters, Waurika, Vernon, Wichita Falls, Seymour, Holliday, Lakeside City, Scotland, Munday, Ryan, Crowell, Ringling, Sheppard AFB, and Knox City