National Weather Service United States Department of Commerce

Record Heat Remains in Place This Week; Severe Thunderstorms Possible Thursday

Record warmth will persist across portions of California, the Southwest U.S., the central Great Basin and return back to areas of the central/southern Plains and mid-lower Mississippi Valley this week. Over 200 new record high temperatures are forecast. Severe thunderstorms are being outlooked on Thursday over the Midwest. Read More >

Meteorological summer is officially over and most locations observed a slightly warmer and drier June through August than normal, but generally closer to normal than last summer was. The hottest temperature observed was 98°F at Houghton on June 20th and the coldest temperature was 30°F at Stambaugh on June 4th. The largest single-day rainfall was 2.65 inches in Ironwood on July 4th. See the images below for more information.