Extreme Heat Watch issued June 20 at 3:07PM EDT until June 24 at 8:00PM EDT by NWS Northern Indiana
* WHAT...Dangerously hot conditions with heat index values up to 102 possible. * WHERE...Portions of northern Indiana, southwest Michigan, and northwest Ohio. * WHEN...From Saturday morning through Tuesday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
Extreme Heat Watch issued June 20 at 2:56PM EDT until June 24 at 8:00PM EDT by NWS Wilmington OH
* WHAT...Dangerously hot conditions with heat index values up to 105 possible. * WHERE...Portions of east central and southeast Indiana, northeast and northern Kentucky, and central, south central, southwest, and west central Ohio. * WHEN...From Sunday afternoon through Tuesday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events, particularly for those working or participating in outdoor activities. * ADDITIONAL DETAILS...Consecutive days of excessive heat and humidity can be especially hazardous as warm overnight temperatures will provide little relief. The heat may continue into Wednesday.
Extreme Heat Warning issued June 20 at 9:25PM CDT until June 24 at 12:00AM CDT by NWS Chicago IL
* WHAT...Dangerously hot and humid conditions with high temperatures each day well into the 90s and peak afternoon heat index values around 105 degrees expected. * WHERE...Central Cook, Northern Cook, and Southern Cook Counties. * WHEN...From 10 AM Saturday to midnight CDT Monday Night. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. The magnitude of anticipated heat, combined with oppressive warmth at night will lead to hazardous conditions, particularly for the elderly and those with pre-existing health conditions. Residents of the city of Chicago can call 3 1 1 to request well being checks for
Extreme Heat Warning issued June 20 at 2:07PM CDT until June 24 at 9:00PM CDT by NWS St Louis MO
* WHAT...Dangerously hot conditions with heat index values up to 108 expected. * WHERE...In Illinois, Jersey IL, Madison IL, Monroe IL, and Saint Clair IL Counties. In Missouri, Jefferson MO, Saint Charles MO, Saint Louis City MO, and Saint Louis MO Counties. * WHEN...From noon Saturday to 9 PM CDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
Extreme Heat Warning issued June 20 at 9:40PM CDT until June 22 at 9:00PM CDT by NWS Des Moines IA
* WHAT...Dangerously hot conditions with heat index values of 105 to 110 expected. * WHERE...Much of western into west central Iowa. * WHEN...Until 9 PM CDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
Extreme Heat Watch issued June 20 at 2:05PM EDT until June 25 at 8:00PM EDT by NWS Mount Holly NJ
* WHAT...Dangerously hot conditions with heat index values up to 107 degrees possible. * WHERE...In Delaware, New Castle County. In New Jersey, Camden, Gloucester, and Northwestern Burlington Counties. * WHEN...From Sunday morning through Wednesday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...The highest temperatures and heat indices will be Monday and Tuesday. Low temperatures near 75 to 80 degrees will not offer much relief at night.
Extreme Heat Watch issued June 20 at 2:11PM EDT until June 24 at 8:00PM EDT by NWS Albany NY
* WHAT...Dangerously hot conditions with heat index values potentially exceeding 105 degrees. * WHERE...Litchfield County in northwestern Connecticut and the mid Hudson River Valley, southern and central Taconics, the Capital Region, and the Upper Hudson Valley and Glens Falls area. * WHEN...From Monday morning through Tuesday evening. * IMPACTS...The risk for heat related illnesses increases significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...An extended period of extreme heat and humidity will occur Monday and Tuesday. The worst of the heat and humidity potentially occurs on these days when heat indices may reach 105 to 110 degrees.
Extreme Heat Watch issued June 20 at 2:10PM EDT until June 24 at 8:00PM EDT by NWS Upton NY
* WHAT...Dangerously hot conditions with heat index values up to 105 possible. * WHERE...In Connecticut, Southern Middlesex and Southern New London Counties. In New York, Northern Nassau, Northwest Suffolk, Southern Nassau, and Southwest Suffolk Counties. * WHEN...From Sunday afternoon through Tuesday evening. * IMPACTS...Extreme heat and humidity will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities. * ADDITIONAL DETAILS...Highest temperatures and heat indices Monday and Tuesday.
Extreme Heat Watch issued June 20 at 1:19PM EDT until June 24 at 8:00PM EDT by NWS Boston/Norton MA
* WHAT...Dangerously hot conditions with heat index values potentially exceeding 105 degrees. * WHERE...All of southern New England except the east slopes of the Berkshires and the Cape and Islands. * WHEN...From Sunday afternoon through Tuesday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...An extended period of extreme heat and humidity is on tap for the Sunday through Tuesday time frame. The worst of the heat and humidity will be Monday and Tuesday when some locations may see Heat Index Values approach 110 degrees.
Extreme Heat Warning issued June 20 at 9:41AM CDT until June 23 at 7:00PM CDT by NWS Milwaukee/Sullivan WI
* WHAT...Dangerously hot conditions with heat index values up to 105 expected. Heat indices will also stay at 75 degrees or above Sunday and Monday morning. * WHERE...Kenosha, Milwaukee, and Racine Counties. * WHEN...From noon Saturday to 7 PM CDT Monday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.