Fuente de datos: National Weather Service (NWS)

Calor extremo

Heat Advisory (AVISO) - expira August 31, 2026 at 12:00 PM EDT

Áreas afectadas: Iowa; Johnson; Cedar; Muscatine; Scott; Keokuk; Washington; Louisa; Jefferson; Henry; Des Moines; Van Buren; Lee; Rock Island; Henry; Mercer; Henderson; Warren; Hancock; McDonough; Scotland; Clark

Heat Advisory issued August 31 at 2:51AM CDT until September 2 at 7:00PM CDT by NWS Quad Cities IA IL

- WHAT...Heat index values up to 103 expected.

• WHERE...Portions of northwest and west central Illinois, east central and southeast Iowa, and northeast Missouri.

• WHEN...From 1 PM this afternoon to 7 PM CDT Wednesday.

• IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

• ADDITIONAL DETAILS...Thunderstorms and storm outflow may interrupt the heat at times.

Qué hacer: Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.

Fuente: NWS Quad Cities IA IL

Heat Advisory (AVISO) - expira August 31, 2026 at 5:00 PM EDT

Áreas afectadas: Knox; Fulton; Schuyler; Mason; Cass; Menard; Scott; Morgan; Sangamon; Christian

Heat Advisory issued August 31 at 1:44AM CDT until September 3 at 7:00PM CDT by NWS Lincoln IL

- WHAT...Heat index values up to 105 expected.

• WHERE...Christian, Mason, Menard, Sangamon, Cass, Fulton, Knox, Morgan, Schuyler, and Scott Counties.

• WHEN...From 1 PM this afternoon to 7 PM CDT Thursday.

• IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Qué hacer: Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

Fuente: NWS Lincoln IL

Heat Advisory (AVISO) - expira August 31, 2026 at 5:00 PM EDT

Áreas afectadas: Stark; Peoria; Tazewell; Logan; De Witt; Piatt; Macon; Moultrie; Douglas; Coles; Shelby; Cumberland; Clark; Effingham; Jasper; Crawford; Clay; Richland; Lawrence

Heat Advisory issued August 31 at 1:44AM CDT until September 3 at 7:00PM CDT by NWS Lincoln IL

- WHAT...Heat index values from 100 to 105 expected.

• WHERE...Portions of central, east central, and southeast Illinois.

• WHEN...From 1 PM this afternoon to 7 PM CDT Thursday.

• IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Qué hacer: Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

Fuente: NWS Lincoln IL

Heat Advisory (AVISO) - expira August 31, 2026 at 3:15 PM EDT

Áreas afectadas: Clinton; Washington; Randolph

Heat Advisory issued August 30 at 11:03PM CDT until September 4 at 8:00PM CDT by NWS St Louis MO

- WHAT...Heat index values up to 105 expected.

• WHERE...Clinton IL, Washington IL, and Randolph IL Counties.

• WHEN...From noon Monday to 8 PM CDT Friday.

• IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Qué hacer: Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.

Fuente: NWS St Louis MO

Heat Advisory (AVISO) - expira August 31, 2026 at 3:15 PM EDT

Áreas afectadas: Madison; St. Clair; Monroe; St. Charles; St. Louis; St. Louis City

Heat Advisory issued August 30 at 11:03PM CDT until September 4 at 8:00PM CDT by NWS St Louis MO

- WHAT...Heat index values up to 105 expected.

• WHERE...In Illinois, Madison IL, Monroe IL, and Saint Clair IL Counties. In Missouri, Saint Charles MO, Saint Louis City MO, and Saint Louis MO Counties.

• WHEN...From noon Monday to 8 PM CDT Friday.

• IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Qué hacer: Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location.

Fuente: NWS St Louis MO

Heat Advisory (AVISO) - expira August 31, 2026 at 3:15 PM EDT

Áreas afectadas: Greene; Macoupin; Montgomery; Bond; Fayette; Marion; Adams; Brown; Pike; Calhoun; Jersey; Knox; Lewis; Shelby; Marion; Monroe; Ralls; Pike; Boone; Audrain; Moniteau; Cole; Osage; Callaway; Montgomery; Lincoln; Gasconade; Warren; Franklin; Crawford; Washington; St. Francois; Ste. Genevieve; Iron; Madison; Reynolds

Heat Advisory issued August 30 at 11:03PM CDT until September 4 at 8:00PM CDT by NWS St Louis MO

- WHAT...Heat index values up to 105 expected.

• WHERE...Portions of south central, southwest, and west central Illinois and central, east central, northeast, and southeast Missouri.

• WHEN...From noon Monday to 8 PM CDT Friday.

• IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Qué hacer: Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.

Fuente: NWS St Louis MO

Heat Advisory (AVISO) - expira August 31, 2026 at 5:15 PM EDT

Áreas afectadas: Jefferson; Wayne; Edwards; Wabash; Perry; Franklin; Hamilton; White; Jackson; Williamson; Saline; Gallatin; Union; Johnson; Pope; Hardin; Alexander; Pulaski; Massac; Gibson; Pike; Posey; Vanderburgh; Warrick; Spencer; Fulton; Hickman; Carlisle; Ballard; McCracken; Graves; Livingston; Marshall; Calloway; Crittenden; Lyon; Trigg; Caldwell; Union; Webster; Hopkins; Christian; Henderson; Daviess; McLean; Muhlenberg; Todd; Perry; Bollinger; Cape Girardeau; Wayne; Carter; Ripley; Butler; Stoddard; Scott; Mississippi; New Madrid

Heat Advisory issued August 30 at 10:48PM CDT until September 4 at 8:00PM CDT by NWS Paducah KY

- WHAT...Daily heat index values up to 100-106 expected.

• WHERE...Portions of southern Illinois, southwest Indiana, western Kentucky, and southeast Missouri.

• WHEN...From 10 AM CDT /11 AM EDT/ Monday to 8 PM CDT /9 PM EDT/ Friday.

• IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

• ADDITIONAL DETAILS...Heat index values will be closer to 100 on Monday. Low rain chances on Friday may provide limited relief.

Qué hacer: Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.

Fuente: NWS Paducah KY

Fuente

Datos de alertas proporcionados por el National Weather Service (NWS). Esta página muestra únicamente alertas activas y se actualiza diariamente. Para información en tiempo real, visite weather.gov.