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Sumter will feel like 100 this weekend

BY BRUCE MILLS bruce@theitem.com
Posted 7/9/20

With Charleston making national headlines with forecast temperatures expected to feel like 106 degrees with the heat index this weekend, just what's it going to feel like here in Sumter?

To find out, The Sumter Item called up the National Weather …

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Sumter will feel like 100 this weekend

Posted

With Charleston making national headlines with forecast temperatures expected to feel like 106 degrees with the heat index this weekend, just what's it going to feel like here in Sumter?

To find out, The Sumter Item called up the National Weather Service in Columbia on Wednesday, and meteorologists Chris Rohrbach and Dan Miller deciphered the official forecast models.

Sumterites can expect it to feel like 100 or 101 degrees on Saturday afternoon, Rohrbach said.

Daily high temperatures will actually be between 93 and 95 this weekend, but with the heat index - which factors in the sticky humidity levels with the air temperature - it will feel like triple digits.

Miller later said - given possible forecast revisions - it could feel up to about 105 degrees both days with the heat index.

Charleston's daily high temperatures will be similar, if not the same, as Sumter and Columbia this weekend, according to the meteorologists. However, the vibrant Holy City generally has higher humidity levels because it's along the coast, they said.

Today's high temperature in Sumter is forecasted to be 90. Friday's high will reach about 92. With the heat index, both days it will feel like it's in the upper 90s, they said.

The warmer temps this weekend will be due to less cloud cover than in recent days. Saturday and Sunday are forecasted to be mostly clear days, Rohrbach said, but there will be at least a chance of showers and thunderstorms.

After the weekend, it will cool down - ever so slightly.

Next week, Sumter and the Midlands should expect actual highs in the low 90s, but heat index values will be in the upper 90s. The slightly lower forecasted temperatures are due to an upper-level trough.

Low 90s are typically the norm for daily highs this time of year in Sumter and the Midlands region, the meteorologists said.

THE LONGER-TERM OUTLOOK

We should not expect a cool down through the summer, according to National Climate Prediction Center forecasts.

According to Rohrbach, that forecast in mid-June for the remainder of the summer called for Midlands' temperatures to be on par with last summer. In July 2019, the average daily high at Columbia Metropolitan Airport was 93.2 degrees. In August of last year, the average daily high was 92.5 degrees.