Heat Advisory issued June 21 at 11:17PM EDT until June 23 at 8:00PM EDT by NWS Gaylord MI
* WHAT...High temperatures in the lower and middle 90s Sunday and Monday. Low temperatures will only drop into the 70s tonight and Sunday night. The combination of heat and humidity will result in heat indices of 95 to 104 degrees during the afternoon hours each day. * WHERE...Northern Lower Michigan. * WHEN...Until 8 PM EDT Monday. * IMPACTS...Hot temperatures and high humidity may cause heat related illnesses.
Beach Hazards Statement issued June 21 at 9:57PM EDT until June 22 at 8:00PM EDT by NWS Grand Rapids MI
* WHAT...High wave action, strong currents, and dangerous swimming conditions expected. Piers may be heavily swamped by waves. * WHERE...Mason, Oceana, Muskegon, Ottawa, Allegan and Van Buren counties. * WHEN...Through Sunday evening. * IMPACTS...Strong currents can pull swimmers into deeper water and high waves can sweep people off piers.
Heat Advisory issued June 21 at 3:42PM EDT until June 24 at 8:00PM EDT by NWS Boston/Norton MA
* WHAT...Heat index values up to 103 expected. * WHERE...Western Franklin MA, Western Hampden MA, and Western Hampshire MA Counties. * WHEN...From 11 AM Sunday to 8 PM EDT Tuesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Heat Advisory issued June 21 at 9:55PM EDT until June 22 at 8:00PM EDT by NWS Grand Rapids MI
* WHAT...Heat index values up to 101. * WHERE...Portions of central, south central, southwest, and west central Michigan. * WHEN...Until 8 PM EDT Sunday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Heat index values will rise to near and slightly above the 100 degree mark Sunday. Little relief will occur tonight as lows will only fall into the middle to upper 70s.
Extreme Heat Warning issued June 21 at 2:42PM EDT until June 24 at 8:00PM EDT by NWS Detroit/Pontiac MI
* WHAT...For the Heat Advisory, heat index values up to 101. For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 105 expected. * WHERE...Macomb, Oakland, and Wayne Counties. * WHEN...For the Heat Advisory, until 8 AM EDT Sunday. For the Extreme Heat Warning, from 8 AM Sunday to 8 PM EDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses.
Heat Advisory issued June 21 at 2:42PM EDT until June 24 at 8:00PM EDT by NWS Detroit/Pontiac MI
* WHAT...Heat index values up to 103 expected. * WHERE...Most of southeast Michigan. * WHEN...Until 8 PM EDT Tuesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.
Heat Advisory issued June 21 at 2:42PM EDT until June 22 at 8:00AM EDT by NWS Detroit/Pontiac MI
* WHAT...For the Heat Advisory, heat index values up to 101. For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 105 expected. * WHERE...Macomb, Oakland, and Wayne Counties. * WHEN...For the Heat Advisory, until 8 AM EDT Sunday. For the Extreme Heat Warning, from 8 AM Sunday to 8 PM EDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses.
Air Quality Alert issued June 21 at 12:44PM EDT by NWS Northern Indiana
The Michigan Department of Environment, Great Lakes, and Energy (EGLE) has declared an Air Quality Advisory for Saturday and Sunday, June 21 and 22, for elevated levels of ozone in parts of southwest Michigan. Pollutants within those areas are expected to be in the Unhealthy for Sensitive Groups (USG, Orange AQI) range. The Air Quality Advisory is in effect for the following counties in southwest Michigan... Berrien and Cass We are in the peak of ozone season, and the current forecast shows ozone-conducive conditions for Saturday. Surface temperatures in the 90s, coupled with ample sunlight and southwest winds, create an
Air Quality Alert issued June 21 at 11:05AM EDT by NWS Grand Rapids MI
The Michigan Department of Environment, Great Lakes, and Energy (EGLE) has declared an Air Quality Advisory for June 21 and June 22, 2025, for elevated levels of ozone in western counties of Michigan. Pollutants within those areas are expected to be in the Unhealthy for Sensitive Groups (USG, Orange AQI) range. The Air Quality Advisory for Saturday and Sunday is in effect for the following Michigan counties: Allegan, Kent, Muskegon, Ottawa, and Van Buren We are in the peak of ozone season, and the current forecast shows ozone-conducive conditions for Saturday and Sunday. Surface temperatures in the 90s, coupled with
Beach Hazards Statement issued June 21 at 9:52PM EDT until June 22 at 8:00PM EDT by NWS Caribou ME
* WHAT....The warm temperatures in the upper 70s to lower 80s may cause people to underestimate the dangers of the cold water temperatures which are currently in the upper 40s to lower 50s. * WHERE...Coastal Hancock and Coastal Washington Counties. * WHEN...From 8 AM EDT Sunday through Sunday evening. * IMPACTS...The cold water temperatures can quickly cause hypothermia to anyone in the water. Anyone on boat or paddlecraft should use extreme caution.