Extreme Heat Warning

Locations Affected

Oklahoma City, OK ∙ Norman, OK ∙ Edmond, OK ∙ Midwest City, OK ∙ Moore, OK ∙ Fairmont, OK ∙ Peckham, OK ∙ Union City, OK ∙ Nicoma Park, OK ∙ Sparks, OK

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Norman OK 1218 PM CDT Mon Jul 20 2026 ...EXTREME HEAT WARNING IN EFFECT FROM NOON TO 8 PM CDT TUESDAY... ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... * WHAT...For the Heat Advisory, heat index values up to 108 expected. For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 114 expected. * WHERE...Portions of central, east central, northern, northwest, and southeast Oklahoma. * 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. 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. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes.

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