Skip to main content

Thunderstorms possible tonight, then 'dangerous' heat, humidity moves in

  • Author:
  • Updated:

Things will start to heat up Tuesday.

The high will be near 90 degrees, with the chance of some thunderstorms before the heat and humidity arrives Wednesday, the National Weather Service says.

Thunderstorms Tuesday night into Wednesday morning could produce "heavy rainfall" across east-central and southeastern Minnesota, which could lead to some flash flooding in urban areas.

This has prompted the National Weather Service to issue a flash flood watch for the area, including the Twin Cities.

'Dangerous' heat wave

After some wet weather, the heat moves in.

The National Weather Service says "dangerously hot and humid" conditions are expected Wednesday through Friday, with Thursday shaping up to be the hottest day of the week.

High temperatures are expected to climb into the 90s Wednesday, and may reach 100 degrees in some areas on Thursday. With temperatures that high, and dew points in the 70s and lower 80s, the heat index will range from 100 to 110 degrees.

And there will be little relief at night. Low temperatures are expected to be in the mid-70s to lower 80s.

Excessive heat warning

The National Weather Service has issued an excessive heat warning for the Twin Cities and much of central and western Minnesota from 1 p.m. Wednesday through 7 p.m. Friday, while an excessive heat watch in effect for southeastern Minnesota, and central Minnesota north of the warning area. (See map below.)

Weather officials are urging people to drink plenty of water and avoid a lot of time outside to limit the risk of heat-related illnesses. For more heat safety tips, click here.

When will we get some relief?

Things are expected to be less humid this weekend, but the timing of when things will start to cool off is still a little uncertain, the weather service says.

A cold front is expected to push into the area on Friday or early Saturday, the agency notes.

For more on the forecast, check out this forecast video briefing from the National Weather Service:

Next Up


Boy found dead in trunk of car in Mound was kindergartner

"It is horrifying and difficult to process a tragedy of this magnitude, especially in our close-knit community," the superintendent wrote.

Minneapolis police

Man found yelling for help after being shot in Minneapolis

The shooting occurred on the 800 block of Elwood Avenue North at around 9:15 p.m.

Screen Shot 2022-05-21 at 9.56.21 AM

Minneapolis North principal says she was fired, district says otherwise

“MPS requires schools to follow protocols in times like that and I did not,” Friestleben said.

Kris Richard Severin

Inmate who escaped Minnesota prison is captured

The inmate escaped Wednesday morning.

Brave New Comedy Workshop in downtown Minneapolis.

Brave New Workshop cancels shows due to COVID-19 cases

The shows were scheduled for Friday and Saturday at the Brave New Workshop Comedy Theatre.

Austin Retterath

Body of missing U of M student found in Mississippi River

Austin Retterath was last seen alive in the morning hours of May 8.

"Love" mural seen in St. Paul.

Summer mural events to bring together community, shine light on MN artists

The 2022 Chroma Zone Mural & Art Festival will take place this weekend in St. Paul's Creative Enterprise Zone, with ensuing events happening this summer.


Gallery: Remodeled lakeside home in Prior Lake on market for $2.8M

It offers privacy at the end of a dead-end road fronting onto Lower Prior Lake.

golden valley police department

Carjacking outside ice arena in Golden Valley under investigation

Golden Valley PD confirmed it received a report of a carjacking Monday evening.


Signs that MN Legislature could move to loosen liquor laws

A provision was approved by a legislature committee on Thursday but still awaits a final decision from the House and Senate.

US Bank Stadium

U.S. Bank Stadium looking to hire 400 part-time workers

A hiring fair will be held for the positions.


'Dangerous' flash flooding possible with tonight's storms

Things could get dangerous tonight, weather officials warn.

Dangerous heat bakes Minnesota, 100º possible

A heat advisory is in effect until 9 p.m. Monday for most of Minnesota. The National Weather Service says Monday afternoon high temperatures are expected to exceed triple digits.