Record heat; excessive heat warning and air pollution advisory

The temperature at Minneapolis-St. Paul International Airport hit triple digits this afternoon:

The previous Twin Cities record for earliest 100 degree reading was May 31, 1934, when it hit 106.

The 100 degree reading at MSP airport is a new record high for this date in the Twin Cities and a new Memorial Day record high. The previous Memorial Day record high in the Twin Cities was 98 degrees on May 30, 1934.

We might still warm a little bit before the temp drops off a bit.

Excessive heat warning 

The Twin Cities metro area is an excessive heat warning from until 7 p.m., and much of the southern half of Minnesota is in a heat advisory until 7 p.m.:

NWS Twin Cities

Details of the excessive heat warning for the Twin Cities:

URGENT – WEATHER MESSAGE
National Weather Service Twin Cities/Chanhassen MN
112 PM CDT Mon May 28 2018

MNZ060>063-068>070-290000-
/O.EXP.KMPX.HT.Y.0001.000000T0000Z-180528T1800Z/
/O.CON.KMPX.EH.W.0001.000000T0000Z-180529T0000Z/
Hennepin-Anoka-Ramsey-Washington-Carver-Scott-Dakota-
Including the cities of Minneapolis, Blaine, St Paul, Stillwater,
Chaska, Shakopee, and Hastings
112 PM CDT Mon May 28 2018

…EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS
EVENING…

* TEMPERATURE…Highs this afternoon will likely reach the upper
90s. Humidity levels are expected to be higher, resulting in
peak heat indices of 100 to 105 in the inner core of the Twin
Cities metro area this afternoon.

* IMPACTS…Heat illnesses are possible for those active
outdoors or those susceptible to heat illnesses, such as
children and the elderly.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

An Excessive Heat Warning means that a prolonged period of
dangerously hot temperatures will occur. The combination of hot
temperatures and high humidity will combine to create a dangerous
situation in which heat illnesses are likely. 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.

Here are some heat safety tips, from the National Oceanic and Atmospheric Administration:

NOAA

These are the symptoms of heat stroke and heat exhaustion:

NOAA

This is our fifth consecutive day with a high temp of 90 degrees or higher in the Twin Cities metro area.
Until today, the Twin Cities record was four consecutive days of 90 or higher during May.

Updated weather information can be heard on the Minnesota Public Radio Network, and updates are also posted on the MPR News live weather blog.

Air quality alert this afternoon and evening

The Minnesota Pollution Control Agency (MPCA) has issued an air quality alert for the Twin Cities metro area and much of southern Minnesota for this afternoon and early this evening:

MPCA/NWS

Rain opportunities

Scattered showers and thunderstorms are possible in the Twin Cities metro area and much of central and southern Minnesota, plus western Wisconsin, during the remainder of this afternoon and this evening.

Scattered showers and thunderstorms are possible statewide overnight and periods of showers and thunderstorms are expected on Tuesday and Wednesday.

Temperature trends

Highs in the lower 90s are expected in southern Minnesota on Tuesday, with mostly 80s north:

Some 70s and upper 60s are possible along the north shore of Lake Superior.

Twin Cities metro area highs should be in the lower 90s Tuesday, followed by mid 80s Wednesday through Friday.

Those cooler temps will feel great, but they’ll still be warmer than our average high temp of 74 degrees at this time of year!