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Hazardous Weather Outlook

Hazardous Weather Outlook
National Weather Service Sioux Falls SD
527 AM CDT Tue Jul 25 2017

Lincoln MN-Lyon MN-Murray-Cottonwood-Pipestone-Rock-Beadle-
Brule-Aurora-Davison-Hanson-McCook-Minnehaha-Charles Mix-Douglas-
Hutchinson-Turner-Bon Homme-
527 AM CDT Tue Jul 25 2017

This Hazardous Weather Outlook is for portions of southwest
Minnesota, central South Dakota, east central South Dakota, south
central South Dakota, and southeast South Dakota.

.DAY ONE...Today and Tonight

Warm and humid conditions will set the stage for thunderstorms
to erupt late this afternoon into early evening along a line from
Chamberlain to Huron to Marshall. Initial more isolated storms
will be capable of hail up to 2 inches in diameter and wind gusts
to 75 mph. An isolated tornado will be possible, mainly along the
highway 14 corridor from Huron to Marshall between 6 pm and 10 pm.
Storms will become more widespread through the evening, with the
threat evolving toward damaging wind gusts, with the storm threat
area gradually shifting southeast toward Interstate 90 toward and
after midnight. Storms will also bring a threat of locally heavy
rainfall, with potential for up to 2 to 4 inches of rain and flash
flooding in some locations.

Heat index values from the James River valley westward will reach
a very uncomfortable and dangerous 100 to 105 degrees for a few
hours this afternoon.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

No hazardous weather is expected at this time.


Spotter activation is likely after 5 pm, but closer to 10 pm in
the tri-state area.


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