This map shows high temperatures for Sunday 6 17 18. The readings at the lakeshore are airport high temperatures. At the lake, the high temperature at the Muskegon beach was 76.8°. The high temperature at the South Haven beach rose to 83.7° when the wind went south. The South Haven buoy had a high temp. of 76.3° at 8:30 pm and the Port Sheldon buoy had a high of 73.2° at 7:50 pm. The south mid-Lake Michigan buoy had a high temp. of 68.0° at 4:50 pm…and…get this…the north mid-Lake Michigan buoy had a high temp. of just 58.8° and that was at 11:50 pm, just before midnight. Traverse City had a high of 95° and the buoy reached only 58.8°. Quite a difference.
Actual air high temperatures Sunday: 96° Alpena (daily record) and Detroit, 95° Traverse City, Pontiac, Saginaw, 94° Ionia, Jackson, Kalamazoo, 93° Marshall, Battle Creek, Lansing, Coldwater, Benton Harbor and Charlotte, 92° Grand Rapids, Holland, S. Haven and Sturgis, 91° Big Rapids, Alma, Cadillac, Three Rivers, Houghton Lake and Hillsdale, 90° Fremont, 89° Muskegon Airport, 87° Manistee Airport, 86° Ludington Airport, 77° Mackinac Island.
Highest heat index Sunday: 100° Grand Rapids, 99° Kalamazoo and Battle Creek, 98° Fremont, Holland and Lansing, 97° Ionia and Big Rapids.
Here’s high temperatures from Sunday. The 92° in G.R. was warmer than Atlanta, New Orleans, Houston, El Paso and Monterrey, Mexico. The high temperature of 96° in Alpena and Detroit was only 5 degrees lower than the U.S. highest temperature of 101° at Death Valley, California. The lowest temp. in the 48 contiguous U.S. states was 27° – also in California at Tuolumne Valley.
