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Latest Forecast

Blaise Keller, KDLT Morning Meteorologist

The Sioux Empire is in for a potentially active day once again as we kick off the weekend; very similar to what we saw on Wednesday, we're going to be dealing with not only the severe weather threat but we'll also be dealing with the heat as well... potentially. A lot of the severe weather threat as well as the heat is going to be dependant on how much sunshine we can get into the afternoon. Remember, the more sunshine we get not only will we be hotter but we'll also see the better chance for severe weather to fire going into the late afternoon through the evening hours.

A low pressure system is going to be lifting northwards throughout the day with its warm front impacting the Sioux Empire first then its cold front as we go into the overnight hours; the warm front will be lifting northwards throughout the morning through the early afternoon hours bringing soaking rain to parts of the Sioux Empire. Behind that, if we are able to get clearing, we'll see the moisture as well as the instability climb again in time for the cold front to use as it swings southeast going into the evening and overnight hours. When the cold front ignites the second round of storms, wind and hail are going to be the main threats however, an isolated tornado or two is possible especially with more of the discrete cells. Timing for these storms to develop looks to be between 4-7pm.

In addition to the severe threat, a majority of central and southern South Dakota will be underneath a heat advisory starting at noon Friday afternoon and last through the evening hours. In addition to hot surface temperatures, coupled with dew points climbing into the 60s and 70s, our heat index values couple climb between 100-110 degrees. Make sure you are dressing with light weight and light colored clothing as well as drinking plenty of water and allowing your body to cool down especially if you are going to be working outside.

Temperatures today are going to climb into the 80s, 90s and low 100s across central portions of the forecast area. However, the severe weather threat as well as the heat that we see into the afternoon is going to be very dependant on how much sunshine we receive into the afternoon and how quickly we can get sunshine over the forecast area. Winds are going to remain out of the south the farther east you live but eventually turn out of the north once the cold front passes.

Once the front passes, we are going to see clearing skies as well as more comfortable temperatures going into the last half of the weekend and into the start of next week. We'll also see another round of thunderstorms and rain develop and last from Monday night through Thursday.

 

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