National Weather Service United States Department of Commerce

Dangerous Heat Wave Continues; Areas of Severe Thunderstorms Today

Dangerous, record-breaking heat will continue across most of the central and eastern U.S through Friday then focusing on the eastern U.S. through the Independence Day weekend. Peak heat indices of up to 115 degrees are possible. Strong to severe thunderstorms will be possible from the northern Plains into the Midwest and Great Lakes regions, as well as across the southern Appalachians today. Read More >

Extreme Heat Warning remains in effect for parts of southern Wisconsin through 10 PM CDT tonight. Heat and humidity will continue through the remainder of the weekend, but at lower levels. No advisory or warning is expected.
Severe thunderstorms will move across southern Wisconsin this afternoon and evening. The hazards are: damaging winds, large hail, tornadoes, and flash flooding.
Storm chances continue Friday and Saturday. No all day washout is expected. There is still uncertainty on timing and severity of storms. Keep up with the foreast.
Periods of thunderstorms with heavy rain are expected this afternoon, evening and tonight. A flood watch is in effect for Sauk County which received heavy rain overnight, resulting in a higher risk of flooding.