Heat Advisory: Montague; Cooke; Grayson; Fannin; Lamar; Wise; Denton; Collin; Hunt; Delta; Hopkins; Parker; Tarrant; Dallas; Rockwall; Kaufman; Van Zandt; Rains; Hood; Somervell; Johnson; Ellis; Henderson; Bosque; Hill; Navarro; Freestone; Anderson; Coryell; Bell; McLennan; Falls; Limestone; Leon; Milam; Robertson

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Heat Advisory — Montague; Cooke; Grayson; Fannin; Lamar; Wise; Denton; Collin; Hunt; Delta; Hopkins; Parker; Tarrant; Dallas; Rockwall; Kaufman; Van Zandt; Rains; Hood; Somervell; Johnson; Ellis; Henderson; Bosque; Hill; Navarro; Freestone; Anderson; Coryell; Bell; McLennan; Falls; Limestone; Leon; Milam; Robertson Severity: Moderate. Certainty: Likely. * WHAT...Heat index values up to 107 expected. * WHERE...Most of North, Central, and East Texas. * WHEN...From noon to 8 PM CDT Saturday. * 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.