Weather Alerts For Mammoth Cave, KY

# HEADLINE -------------------- HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM EDT /7 PM CDT/ SATURDAY # DETAILS -------------------- WHAT Heat index values between 100 and 107. Limited nighttime relief as low temperatures are only expected to fall into the low-to-mid 70s. WHERE Portions of southern Indiana and central Kentucky. WHEN Until 8 PM EDT /7 PM CDT/ Saturday. IMPACTS Prolonged hot temperatures and high humidity may cause heat illnesses. ISSUED AT Friday, September 4, 2026 at 3:32 PM EDT ISSUED BY National Weather Service Louisville KY HEADER URGENT - WEATHER MESSAGE # 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. 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. # AREAS AFFECTED -------------------- Adair, Bourbon, Casey, Franklin, Grayson, Harrison IN, Larue, Allen, Anderson, Barren, Boyle, Breckinridge, Bullitt, Butler, Clark IN, Clark KY, Clinton, Crawford, Cumberland, Dubois, Edmonson, Fayette, Floyd, Garrard, Green, Hancock, Hardin, Harrison KY, Hart, Henry, Jefferson, Jefferson IN, Jessamine, Lincoln, Logan, Madison, Marion, Meade, Mercer, Metcalfe, Monroe, Nelson, Nicholas, Ohio, Oldham, Orange, Perry, Russell, Scott IN, Scott KY, Shelby, Simpson, Spencer, Taylor, Trimble, Warren, Washington IN, Washington KY, Woodford Including the cities of Bedford, Russellville, Hartford, Hardinsburg, Shelbyville, New Castle, Morgantown, Columbia, Greensburg, La Grange, Lewisport, Elizabethtown, Harrodsburg, Lancaster, Franklin, Lawrenceburg, Nicholasville, Carlisle, Springfield, Burkesville, Brandenburg, Taylorsville, Winchester, Liberty, Bowling Green, Scottsville, Glasgow, Hodgenville, English, Tompkinsville, Leitchfield, Frankfort, Versailles, Salem, New Albany, Bardstown, Richmond, Edmonton, Shepherdsville, Georgetown, Jasper, Jamestown, Hawesville, Scottsburg, Madison, Lexington, Tell City, Horse Cave, Albany, Jeffersonville, Paoli, Milton, Lebanon, Campbellsville, Corydon, Stanford, Louisville, Providence, Danville, Brownsville, Paris, and Cynthiana

Pollen Index: 11.2 Pollen Level: high Predominant Pollen: Ragweed, Grass and Chenopods. Based on past pollen counts and expected weather conditions, pollen levels for Saturday will remain stable in the extremely high range. Pollen producing plants are at a relatively steady level of pollination at this time.