* WHAT...For the Heat Advisory, heat index values up to 101 expected this afternoon and early evening. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 110 possible.
* WHERE...Portions of northwest and west central Minnesota and northeast and southeast North Dakota.
* WHEN...For the Heat Advisory, from 11 AM this morning to 9 PM CDT this evening. For the Extreme Heat Watch, from Sunday morning through late Monday night.
* IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses.