Saturday heat advisory; Sunday storms

Our Saturday will be steamy.

Temperatures will soar well into the 90s over much of southern and central  Minnesota, and it'll be windy and humid.

Heat index values will be around 100 degrees, so a heat advisory is in effect from noon to 8 p.m. for much of Minnesota, including the Twin Cities metro area:

rt0610hadv2
NWS Twin Cities

Here are the heat advisory details:

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URGENT - WEATHER MESSAGE

National Weather Service Twin Cities/Chanhassen MN

341 AM CDT Sat Jun 10 2017

 

MNZ051-059>063-066>070-074>077-082>084-091-092-101800-

/O.CON.KMPX.HT.Y.0001.170610T1700Z-170611T0100Z/

Sherburne-Wright-Hennepin-Anoka-Ramsey-Washington-McLeod-Sibley-

Carver-Scott-Dakota-Brown-Nicollet-Le Sueur-Rice-Watonwan-

Blue Earth-Waseca-Martin-Faribault-

Including the cities of Elk River, Monticello, Minneapolis,

Blaine, St Paul, Stillwater, Hutchinson, Gaylord, Chaska,

Shakopee, Hastings, New Ulm, St Peter, Le Sueur, Faribault,

St James, Mankato, Waseca, Fairmont, and Blue Earth

341 AM CDT Sat Jun 10 2017

 

...HEAT ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 8 PM CDT

THIS EVENING...

 

* TEMPERATURE...Highs will reach the mid to upper 90s with dew

points in the low to mid 60s. The combination of these two

parameters will produce heat index values of 96 to 101 degrees.

 

* IMPACTS...There will be a risk for heat illness for those who

are active outdoors.

 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

 

A Heat Advisory means that a period of hot temperatures is

expected. The combination of hot temperatures and high humidity

will combine to create a situation in which heat illnesses are

possible. Drink plenty of fluids...stay in an air-conditioned

room...stay out of the sun...and check up on relatives and

neighbors.

 

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 light weight and loose fitting clothing when

possible and drink plenty of water.

 

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.

Thunderstorm chances return

A cool front will move into Minnesota from the northwest late Saturday, and it could spawn some scattered showers and thunderstorms over eastern Minnesota late Saturday afternoon and Saturday night.

An isolated severe thunderstorm is possible late Saturday or Saturday night from eastern Minnesota into Wisconsin.

The front stalls out to our south tonight, and then moves a bit north on Sunday.

We have a good chance of see some periods of t-storms in central and southern Minnesota on Sunday.

A severe thunderstorm will be possible, and some areas could receive heavy rains.

The National Oceanic and Atmospheric Administration's North American Mesoscale forecast model shows the potential rain pattern:

rt0610rad
NOAA NAM simulated radar from noon Saturday through Sunday evening, via tropicaltidbits

Programming note

You can hear my live weather updates on Minnesota Public radio at 7:49 a.m. Thursdays and Fridays, and at 7:35 a.m. and 9:35 a.m. each Saturday and Sunday.