Heat Advisory
2026-07-20T20:00:00-05:00
2026-07-20T20:00:00-05:00
* WHAT...For the Heat Advisory, heat index values up to 109 expected. For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 112 expected. * WHERE...Delaware, Northeast Osage, and Southeast Osage Counties. * WHEN...For the Heat Advisory, until 8 PM CDT this evening. For the Extreme Heat Warning, from noon to 8 PM CDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Heat related illnesses are possible especially impacting those not acclimated to the conditions or those performing strenuous activities.
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