Saturday heat advisory; Sunday storms
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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:
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:
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.