BELOIT

NOHRSC BLTW3

EXTREME HEAT WARNING
* WHAT...Dangerously hot conditions with heat index values as high as 117 degrees. * WHERE...Columbia, Dane, Green, Iowa, Lafayette, Rock, and Sauk Counties. * WHEN...Until 9 PM CDT this evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.

Today, A chance of showers and thunderstorms before noon, then a slight chance of showers and thunderstorms after 4pm. Patchy fog before 8am. Otherwise, mostly sunny and hot, with a high near 90. Heat index values as high as 101. South wind 5 to 15 mph. Chance of precipitation is 50%.

Tomorrow, A chance of showers and thunderstorms before noon, then a slight chance of showers and thunderstorms after 4pm. Patchy fog before 8am. Otherwise, mostly sunny and hot, with a high near 90. Heat index values as high as 101. South wind 5 to 15 mph. Chance of precipitation is 50%.