Extreme Heat Warning Issued for Twin Cities and Much of Minnesota as Heat Index Could Reach 110 Degrees Monday
Published: June 19, 2026
TWIN CITIES, MINNESOTA: The National Weather Service (NWS) has issued an Extreme Heat Warning for much of central, southern, and eastern Minnesota—including Dakota County and the entire Twin Cities metro—as dangerously hot and humid conditions are expected to develop Monday.
The warning is in effect from 9:00 a.m. Monday until 12:00 a.m. Tuesday, with forecasters warning that heat index values between 105 and 110 degrees are likely across the region.
The warning replaces the previously issued Extreme Heat Watch as confidence has increased that dangerous heat will impact the area.
Heat and Humidity Combining to Create Dangerous Conditions
While actual afternoon temperatures are expected to climb into the mid-to-upper 90s, oppressive humidity will make it feel substantially hotter. The combination of high temperatures and dew points in the 70s will create heat index values that can cause heat-related illnesses in a short time, particularly for those spending extended periods outdoors.
According to the National Weather Service, these conditions significantly increase the risk of:
Heat exhaustion
Heat stroke
Dehydration
Other heat-related illnesses
Those most vulnerable include older adults, young children, individuals with chronic medical conditions, outdoor workers, athletes, and anyone without access to air conditioning.
Areas Included in the Warning
The warning covers a large portion of Minnesota, including:
Steele County
Blue Earth County
Nicollet County
Brown County
McLeod County
Sibley County
Kandiyohi County
Meeker County
Le Sueur County
Waseca County
Martin County
Faribault County
Freeborn County
Redwood County
Watonwan County
Dakota County
Hennepin County
Ramsey County
Washington County
Scott County
Carver County
Anoka County
Wright County
Sherburne County
Benton County
Stearns County
Chisago County
Isanti County
Mille Lacs County
Rice County
Goodhue County
The warning also extends into portions of western Wisconsin, including Barron, Chippewa, Dunn, Eau Claire, Pepin, Pierce, Polk, St. Croix, and surrounding counties.
Safety Officials Urge Residents to Take Precautions
The National Weather Service urges residents to take the extreme heat seriously and limit outdoor activity whenever possible.
Officials recommend:
Drink plenty of water throughout the day, even if you do not feel thirsty.
Stay in an air-conditioned building whenever possible.
Avoid prolonged exposure to direct sunlight.
Wear lightweight, light-colored clothing.
Limit strenuous outdoor activities to the early morning or late evening.
Never leave children or pets inside parked vehicles, even for a short period of time.
Check on elderly relatives, neighbors, and others who may be especially vulnerable to the heat.
If someone begins showing signs of heat stroke—including confusion, loss of consciousness, hot, dry skin, or seizures - call 911 immediately. Heat stroke is a life-threatening medical emergency.
Stay Weather Aware
Monday is expected to be one of the hottest days experienced so far this year across much of Minnesota. Residents planning outdoor work, recreation, youth sports, or travel should prepare for dangerous heat and monitor the latest forecasts throughout the day.
Limitless Media will continue monitoring forecast updates and provide additional information should the National Weather Service expand or extend the warning.
