Hazardous Weather Outlook National Weather Service Twin Cities/Chanhassen MN 330 AM CDT Mon Aug 21 2023 Douglas-Todd-Morrison-Mille Lacs-Kanabec-Stevens-Pope-Stearns- Benton-Sherburne-Isanti-Chisago-Lac Qui Parle-Swift-Chippewa- Kandiyohi-Meeker-Wright-Hennepin-Anoka-Ramsey-Washington- Yellow Medicine-Renville-McLeod-Sibley-Carver-Scott-Dakota- Redwood-Brown-Nicollet-Le Sueur-Rice-Goodhue-Watonwan-Blue Earth- Waseca-Steele-Martin-Faribault-Freeborn-Polk-Barron-Rusk- St. Croix-Pierce-Dunn-Pepin-Eau Claire- 330 AM CDT Mon Aug 21 2023 This Hazardous Weather Outlook is for portions of central and southern Minnesota, and west central Wisconsin. .DAY ONE...Today and Tonight. An intense heat wave will begin to impact southwest Minnesota today. Afternoon heat indices in excess of 100 degrees are likely. Please refer to the Excessive Heat Warnings and Heat Advisories for additional information. Scattered thunderstorms are possible late this evening through overnight tonight north of Interstate 94. A few storms may contain heavy rain and large hail. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. The intense heat wave will spread across much of central and southern Minnesota into western Wisconsin Tuesday through Thursday. Highest heat index values will come Tuesday and Wednesday, potentially ranging as high as 105 to 115 degrees. Please refer to the Excessive Heat Warnings and Heat Advisories for additional information.