A summery Saturday; hot on Sunday

Saturday will be the most comfortable temperatures of the next four days. There will be a lot of 80s in Minnesota, with mainly 70s in northeastern Minnesota and western Wisconsin:

A few spots in west-central and southwestern Minnesota will top 90, and there will be some 60s near Lake Superior.

Saturday dew points will be mainly in the 50s and 40s, with sticky 60s in southwestern Minnesota:

Rain chances

Northwestern Minnesota and parts of north-central Minnesota are seeing some scattered showers and a few embedded thunderstorms this morning. The best chance of scattered Saturday rain today will be in the northern third of Minnesota and parts of northwestern Wisconsin. Portions of west-central Wisconsin could see an evening shower or thunderstorm. An isolated shower of thunderstorm is possible this afternoon/early evening in central Minnesota as well.

You can hear updated weather information for Minnesota and western Wisconsin on the Minnesota Public Radio News network, and you can see updated weather info on the MPR News live weather blog.

Hot Sunday

Many areas will have Sunday highs in the 90s:

Dew points will be in the sticky 60s in many areas, with heat index values topping 100 degrees.

A variety of excessive heat warnings, heat advisories, and excessive heat watches begin on Sunday in Minnesota:

The excessive heat watch in the Twin Cities metro area and points to the west starts at 1 p.m. Sunday and continues to 1 a.m. Monday:

URGENT - WEATHER MESSAGE National Weather Service Twin Cities/Chanhassen MN 345 AM CDT Sat Jun 18 2022 MNZ041-047>049-054>070-073>076-082-083-091-182100- /O.EXT.KMPX.EH.A.0001.220619T1800Z-220621T0600Z/ Douglas-Stevens-Pope-Stearns-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-Watonwan-Blue Earth-Martin- Including the cities of Alexandria, Morris, Glenwood, St Cloud, Madison, Benson, Montevideo, Willmar, Litchfield, Monticello, Minneapolis, Blaine, St Paul, Stillwater, Granite Falls, Olivia, Hutchinson, Gaylord, Chanhassen, Chaska, Victoria, Shakopee, Hastings, Redwood Falls, New Ulm, St Peter, Le Sueur, St James, Mankato, and Fairmont 345 AM CDT Sat Jun 18 2022 ...EXCESSIVE HEAT WATCH NOW IN EFFECT FROM SUNDAY AFTERNOON THROUGH LATE MONDAY NIGHT... * WHAT...Dangerously hot conditions with heat index values of 100 to 105. * WHERE...Portions of central, south central, southwest and west central Minnesota. * WHEN...From Sunday afternoon through late Monday night. * IMPACTS...Extreme heat and humidity will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts and warnings for updates on this situation. Be prepared to drink plenty of fluids, stay in an air- conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. This is especially true during warm or hot weather when car interiors can reach lethal temperatures in a matter of minutes.

The heat advisory in southwestern Minnesota runs from 10 a.m. Sunday to 10 p.m. Monday.

An excessive heat warning covers several northwestern Minnesota counties from 10 a.m. Sunday to 9 p.m. Sunday, with a heat advisory for that same period in orange shaded counties:

Here are details of the excessive heat warning that begins on Sunday and the wind advisory Saturday afternoon/evening in that same area:

URGENT - WEATHER MESSAGE National Weather Service Grand Forks ND 451 AM CDT Sat Jun 18 2022 MNZ001>004-007-029-NDZ008-016-027-030-039-049-052-053-201200- /O.UPG.KFGF.EH.A.0001.220619T1500Z-220620T1200Z/ /O.NEW.KFGF.EH.W.0001.220619T1500Z-220620T0200Z/ /O.NEW.KFGF.WI.Y.0017.220618T1700Z-220619T0100Z/ West Polk-Norman-Clay-Kittson-West Marshall-Wilkin-Pembina- Eastern Walsh-Grand Forks-Traill-Cass-Ransom-Sargent-Richland- Including the cities of Crookston, East Grand Forks, Ada, Twin Valley, Halstad, Moorhead, Hallock, Karlstad, Lancaster, Warren, Stephen, Argyle, Breckenridge, Cavalier, Walhalla, Drayton, Pembina, Neche, St. Thomas, Grafton, Park River, Grand Forks, Mayville, Hillsboro, Hatton, Portland, Fargo, Lisbon, Enderlin, Gwinner, Milnor, Forman, Rutland, and Wahpeton 451 AM CDT Sat Jun 18 2022 ...WIND ADVISORY IN EFFECT FROM NOON TODAY TO 8 PM CDT THIS EVENING... ...EXCESSIVE HEAT WARNING IN EFFECT FROM 10 AM TO 9 PM CDT SUNDAY... * WHAT...For the Excessive Heat Warning, dangerously hot conditions with heat index values up to 107 expected. For the Wind Advisory, southeast winds 25 to 35 mph with gusts up to 45 mph expected. * WHERE...Portions of northwest and west central Minnesota and northeast and southeast North Dakota. * WHEN...For the Excessive Heat Warning, from 10 AM to 9 PM CDT Sunday. For the Wind Advisory, from noon today to 8 PM CDT this evening. * IMPACTS...Gusty winds could blow around unsecured objects. Extreme heat and humidity will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1.

Check forecast updates.

Programming note

You can hear my live weather updates on MPR News at 7:35 a.m., 9:35 a.m. and 4:39 p.m. each Saturday and Sunday.