{"place":{"name":"Jefferson County","type":"county","country":"US","state":"OK","state_name":"Oklahoma","county":"Jefferson County","county_fips":"40067","url":"https://forecastbar.com/weather-alerts/ok/jefferson-county/"},"generated_at":"2026-09-07T04:59:59Z","active_alerts":[{"alert_type":"Heat Advisory","severity":"Moderate","urgency":"Expected","certainty":"Likely","headline":"Heat Advisory","area":"Alfalfa; Grant; Kay; Major; Garfield; Noble; Blaine; Kingfisher; Logan; Payne; Caddo; Canadian; Oklahoma; Lincoln; Grady; McClain; Cleveland; Pottawatomie; Seminole; Hughes; Kiowa; Jackson; Tillman; Comanche; Stephens; Garvin; Murray; Pontotoc; Coal; Cotton; Jefferson; Carter; Johnston; Atoka; Love; Marshall; Bryan; Wilbarger; Wichita; Baylor; Archer; Clay","sender":"NWS Norman OK","description":"* WHAT...Heat index values up to 109. * WHERE...Portions of central, east central, northern, northwest, southeast, southern, and southwest Oklahoma and northern Texas. * WHEN...Until 7 PM CDT Monday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.","onset_at":"2026-09-07T02:51:00Z","expires_at":"2026-09-08T00:00:00Z","published_at":"2026-09-07T02:51:00Z","url":"https://forecastbar.com/alert/urn:oid:2.49.0.1.840.0.3d441fd572fc3d16842fbf0d43c97a80302e0eaf.001.1"}],"recent_alerts":[{"alert_type":"Heat Advisory","severity":"Moderate","headline":"Heat Advisory issued September 6 at 12:22PM CDT until September 7 at 7:00PM CDT by NWS Norman OK","sender":"NWS Norman OK","published_at":"2026-09-06T17:22:00Z","expires_at":"2026-09-08T00:00:00Z","cancelled_at":null,"url":"https://forecastbar.com/alert/urn:oid:2.49.0.1.840.0.bec9cfa855d87a190d1f9c1e4baf63426680fca0.002.1"},{"alert_type":"Heat Advisory","severity":"Moderate","headline":"Heat Advisory issued September 6 at 12:57AM CDT until September 7 at 7:00PM CDT by NWS Norman OK","sender":"NWS Norman 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