Summerlike heat bakes southern US with record-high temperatures in jeopardy from Arizona to Mississippi

In the Southwest and Southern Plains, temperatures will soar into the 90s and 100s this afternoon, hot enough to set daily record highs.

The southern U.S. is continuing its week of summerlike weather with unseasonably warm weather dominating many areas west of the Mississippi River.

After one of the worst summers on record, the Southern tier of the U.S. just can't catch a break as record-setting heat is expected to blast the Southwest and Southern Plains again Saturday. 

Temperatures will soar into the 90s and 100s Saturday afternoon, hot enough to set daily record highs from Arizona to Mississippi, according to the FOX Forecast Center. These numbers are about 10-15 degrees above average for October. 

HOW TO WATCH FOX WEATHER

Record-high temperatures in jeopardy on Saturday, Oct. 21, 2023.
(FOX Weather)


 

One of the many communities feeling the heat is Phoenix, where nearly a week of triple digit heat continues into Saturday.

That means another toasty night for Game 5 of the National League Championship Series where the Philadelphia Phillies face the home team Arizona Diamondbacks.

NLCS Game 5 in Phoenix on Oct. 21, 2023.Phoenix.
(FOX Weather)


 

The roof at downtown Phoenix’s Chase Field is expected to be open for Game 5 at 5:07 p.m. local time. Anyone who traveled to Arizona for the NLCS should take precautions to prevent heat-related illnesses. So far the home heat has been good to the Diamondbacks who have won both games at home to even the series at 2-2.

Heat holds into Sunday

Sunday won't feature much heat relief, the FOX Forecast Center noted. 

Highs are forecast to reach the 80s and 90s again, though not quite high enough to set records. Much cooler weather is then likely to sweep into these areas next week.

WATCH: MONTANA HOMES BURIED UNDER TUMBLEWEED BLOWN IN BY 60-PLUS MPH WIND GUSTS

On Friday, records from California to Louisiana and north to Montana fell. Some of the records are more than 100 years old.

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