FIRST ALERT: Dangerous heat wave later this week

Published: Jul. 25, 2022 at 3:55 AM EDT|Updated: Jul. 25, 2022 at 1:07 PM EDT
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MYRTLE BEACH, SC (WMBF) - We’re kicking off the week on a warm note! The dog days of summer continue and the dangerous heat is not going anywhere, especially by the middle and end of this week.


Today was the coldest day this week, because temperatures are only going to increase throughout the week. Temperatures this evening will stay in the mid to upper 80s with partly cloudy skies. After sunset, any rain chances we had today will diminish. We’ll be quiet tonight with partly cloudy skies. Temperatures are going to mild with overnight lows in the mid 70s

The increasing heat index will be another big story today. By this afternoon, it will feel like the triple digits today.


Highs will slowly creep through the middle and end of the week. Temperatures will reach the lower 90s on the beaches by mid week with the mid-upper 90s for the inland areas. It’s going to be hot and with a strong southwesterly wind, it’s going to be humid! Heat Advisories will likely be needed starting on Wednesday as our heat index will begin to climb over 105°, a general threshold for the dangerous heat here in the south.

High pressure will bring a big time heat wave.
High pressure will bring a big time heat wave.(WMBF)

Not only will it be hot & humid but rain chances remain low. There’s enough dry air in the atmosphere aloft that we dropped rain chances down to 0% for Wednesday and Thursday, despite the heat index climbing into the 105-110° range.

If there’s a day that seems to be the worst, look no further than the stretch of weather we have coming your way Wednesday-Friday. Thursday will be the hottest temperature wise with highs reaching the low-mid 90s on the beaches. Inland areas will make a run for the upper 90s. The heat index will reach 108° in many locations, with a few spots even higher than that.

Dangerous heat this week
Dangerous heat this week(WMBF)

With dangerous heat in store this week, now is a good time to review the heat safety tips we’ve shared numerous times this year. Stay hydrated and stay cool!

Ready to beat the heat? Here's a few tips to remember ahead of the heat wave.
Ready to beat the heat? Here's a few tips to remember ahead of the heat wave.(WMBF)

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