In the Dakotas, a few tornadoes are possible Friday, Karins said. Heat indexes for both days will be at or above 105° during the afternoon hours.
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The heat advisory went into effect Friday at noon and will remain in place until 7 p.m. Saturday evening.
National Weather Service map shows the path of the high-pressure system.
Most of the state except for extreme south Alabama will have a marginal risk, with strong wind gusts, heavy rain and frequent lightning being the main hazards.
Mugginess will abound Friday night through early Saturday morning, as thermometers only dip into the 70s overnight.
“A ridge of high pressure will build westward late this week”.
The National Weather Service has issued an Excessive Heat Warning for east Arkansas and counties in Tennessee and MS that border the river.
There are indications that Sunday will be slightly less humid, and therefore slightly less oppressive and uncomfortable. “The end of the heat wave appears to be with a cold front on Tuesday”. Temperatures will push their way into the mid to upper 90s across much of the state. Possible heat exhaustion or heat stroke could occur. Even as you’re working on your tan on the beach or in the backyard this weekend, you’ll need to stay hydrated and take breaks from the heat, humidity, and relentless sun.
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People indoors should check on the elderly, sick and those without air conditioning.
