Heat Advisory: Montague; Cooke; Grayson; Fannin; Lamar; Young; Jack; Wise; Denton; Collin; Hunt; Delta; Hopkins; Stephens; Palo Pinto; Parker; Tarrant; Dallas; Rockwall; Kaufman; Van Zandt; Rains; Eastland; Erath; Hood; Somervell; Johnson; Ellis; Henderson; Navarro; Anderson

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Heat Advisory — Montague; Cooke; Grayson; Fannin; Lamar; Young; Jack; Wise; Denton; Collin; Hunt; Delta; Hopkins; Stephens; Palo Pinto; Parker; Tarrant; Dallas; Rockwall; Kaufman; Van Zandt; Rains; Eastland; Erath; Hood; Somervell; Johnson; Ellis; Henderson; Navarro; Anderson Severity: Moderate. Certainty: Likely. * WHAT...Heat index values up to 107 and temperatures up to 105. * WHERE...Most of North Texas. * WHEN...Until 8 PM CDT Sunday. * IMPACTS...Hot temperatures and high humidity will increase the risk for heat-related illnesses to occur, particularly for those working or participating in outdoor activities.