Heat Advisory issued June 23 at 4:51PM CDT until June 27 at 9:00PM CDT by NWS Memphis TN
* WHAT...Heat index values up to 107. * WHERE...Portions of East Arkansas, North Mississippi, Southeast Missouri, and West Tennessee. * WHEN...Until 9 PM CDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
SPC Jun 24, 2025 0600 UTC Day 1 Convective Outlook
SPC 1200Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1233 AM CDT Tue Jun 24 2025 Valid 241200Z - 251200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF THE CENTRAL AND NORTHERN HIGH PLAINS... ...SUMMARY... Storms associated with very large hail and severe wind gusts will be likely this afternoon and evening in parts of the central and northern High Plains. Marginally severe storms will be possible this afternoon from part of the central and northern Plains eastward into the Northeast. ...Central and Northern High Plains... A mid-level anticyclone will remain
SPC – No MDs are in effect as of Tue Jun 24 05:39:01 UTC 2025
No Mesoscale Discussions are in effect as of Tue Jun 24 05:39:01 UTC 2025.
SPC – No watches are valid as of Tue Jun 24 05:39:01 UTC 2025
No watches are valid as of Tue Jun 24 05:39:01 UTC 2025.
SPC Jun 24, 2025 0100 UTC Day 1 Convective Outlook
SPC 0100Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0739 PM CDT Mon Jun 23 2025 Valid 240100Z - 241200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF THE LOWER TO MID MISSOURI VALLEY NORTHEASTWARD INTO THE GREAT LAKES... ...SUMMARY... Isolated severe wind gusts will be possible this evening from the southern and central Plains northeastward into the Great Lakes. A few severe gusts will also be possible in parts of northern Maine. ...Great Lakes/Mid to Upper Mississippi Valley/Lower to Mid Missouri Valley/ Southern and Central Plains... A large mid-level anticyclone
Heat Advisory issued June 23 at 7:58PM EDT until June 24 at 8:00PM EDT by NWS Grand Rapids MI
* WHAT...Heat index values up to around 100. * WHERE...Calhoun, Eaton, Ingham, Jackson, Allegan, Barry, Kalamazoo, and Van Buren Counties. * WHEN...Until 8 PM EDT Tuesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Extreme Heat Warning issued June 23 at 3:35PM EDT until June 24 at 8:00PM EDT by NWS Detroit/Pontiac MI
* WHAT...Dangerously hot conditions with heat index values of 100 to 105 degrees. * WHERE...Genesee, Macomb, Oakland, and Wayne Counties. * WHEN...Until 8 PM EDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.
Heat Advisory issued June 23 at 3:35PM EDT until June 24 at 8:00PM EDT by NWS Detroit/Pontiac MI
* WHAT...Heat index values up to 102 degrees. * WHERE...A portion of southeast Michigan. * WHEN...Until 8 PM EDT Tuesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Air Quality Alert issued June 23 at 3:20PM EDT by NWS Boston/Norton MA
The Massachusetts Department of Environmental Protection has issued an Air Quality Alert for Ground Level Ozone, from 11 AM to 11 PM EDT Tuesday. An Air Quality Alert means that Ground Level Ozone concentrations within the region may approach or exceed levels that are Unhealthy for Sensitive Groups. Air is unhealthy for sensitive children and adults, such as those with asthma, lung or heart disease, and older adults. Sensitive children and adults should limit prolonged outdoor activity. For additional information, please visit the Massachusetts Department of Environmental Protection website at: https://mass.gov/orgs/massachusetts-department-of-environmental- protection
Heat Advisory issued June 23 at 2:12PM EDT until June 24 at 8:00PM EDT by NWS Boston/Norton MA
* WHAT...Heat index values up to 105. * WHERE...Western Franklin MA, Western Hampden MA, and Western Hampshire MA Counties. * WHEN...Until 8 PM EDT Tuesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.