Summery Saturday; heat ramps up for Sunday and Monday
Update on the excessive heat watch for Sunday
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It’ll be a breezy Saturday, but this will be the most comfortable day of the next four days. Highs will be in the 80s across much of Minnesota Saturday afternoon, with mainly 70s in northeastern Minnesota and western Wisconsin. Portions of west-central and southwestern Minnesota could top 90, and cool 60s are expected near Lake Superior.
Twin Cities metro area highs are forecast to reach the low to mid 80s Saturday afternoon. That’s a few degrees warmer than our average Twin Cities high of 80 for this date.
Rain chances?
It’ll be a rain-free weekend for much of southern and central Minnesota. There have been some scattered showers and thunderstorms in northwestern Minnesota and parts of north-central Minnesota Saturday morning. Those areas of rain will expand eastward Saturday afternoon.
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The best chance of periods of showers and thunderstorms Saturday afternoon and evening is expected to be in roughly the northern third of Minnesota—-and eventually parts of northwestern Wisconsin. Central Minnesota and west-central Wisconsin could see an isolated shower or thunderstorm too.
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 and Monday
Sunday highs reach the 90s in many areas:
Northeastern Minnesota and western Wisconsin will see mainly 80s, with 70s and a few 60s near Lake Superior.
Sunday afternoon dew points will be in the sticky 60s in much of Minnesota, with steamy 70s in the southwest:
Monday highs will be in the upper 90s in many spots:
A few triple-digit highs are possible Monday afternoon, even in the Twin Cities metro area.
Monday dew points will reach the upper 60s to around 70:
The combination of heat and humidity will create heat index values over 100 in several locations Sunday and Monday:
Heat advisories, watches and warnings begin on Sunday
A variety of heat advisories, excessive heat watches and excessive heat warnings begin on Sunday in Minnesota:
The excessive heat watch in the Twin Cities metro area and points to the west and southwest starts at 1 p.m. Sunday and continues to 1 a.m. Tuesday:
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 the 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.
The week ahead
After a Twin Cities high temp in the upper 90s to around 100 on Monday, metro area highs are projected to reach the lower 90s Tuesday, followed by mid 80s Wednesday, lower 90s Thursday and mid 90s on Friday.
Weather nugget
Last year, our official Twin Cities high temp reached the 90s in 10 of the first 13 days of June. Our Twin Cities official high has reached the 90s just once so far this June, but we’ll add to that total tomorrow and much of the coming week.
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.