100
FXUS64 KJAN 292351 AAA
AFDJAN
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE JACKSON MS
651 PM CDT SAT AUG 29 2026
..NEW AVIATION
KEY MESSAGES
- DANGEROUS HEAT STRESS MAY RETURN ACROSS THE FORECAST AREA
EARLY TO LATE NEXT WEEK.
- RAIN CHANCES ARE EXPECTED ALONG/SOUTH OF I-20 AS MULTIPLE
DISTURBANCES AFFECT THE AREA THROUGH THE PERIOD.
DISCUSSION
ISSUED AT 1229 PM CDT SAT AUG 29 2026
SATURDAY NIGHT AND SUNDAY...AN UPPER-LVL HIGH OVER THE SOUTHWEST
& TEXAS CONTINUES TO EXPAND TOWARDS THE SOUTHEAST. AS THE HIGH
PROGRESSES, HEAT INDICES ARE EXPECTED START INCREASING TO 100
DEGREES BY SUNDAY. A CUT-OFF LOW PRESSURE NEAR GULF STATES WILL
TRACK WESTWARDS, SHIFTING RAIN CHANCES THROUGH THE INTERSTATE 59
CORRIDOR AND HWY 84 SUNDAY.
MONDAY THROUGH FRIDAY NIGHT...THE AFOREMENTIONED HIGH WILL
SETTLE OVER THE SOUTHEAST CONUS AROUND TUESDAY, LINGERING THROUGH
THE REST OF THE WEEK. DANGEROUS HEAT CONCERNS ARE EXPECTED TO
RETURN AS HIGHS RANGE IN THE MID/UPPER 90S AND HEAT INDICES REACH
105-110F. HWO GRAPHICS MAY BE NEEDED OVER THE NEXT DAY OR TWO. AS
THE HIGH SETTLES, ADDITIONAL CUT-OFF LOW DISTURBANCES WILL
TRAVERSE AROUND THE RIDGE, BRING DEEP MOISTURE AND STORM CHANCES
(25-50%) STARTING ALONG THE HWY 84 CORRIDOR. MID-WEEK, RAIN
CHANCES WILL EXPAND TO THE I-20 CORRIDOR AND EASTERN MS AS THE
PATTERN LINGERS INTO THE END OF THE WEEK. /SW/
AVIATION
(00Z TAFS)
ISSUED AT 648 PM CDT SAT AUG 29 2026
ISOLATED -SHRA WL COME IN VCTY OF HBG AND PIB BEFORE DISSIPATING
BY 03Z. OTHERWISE, VFR CONDITIONS WL PREVAIL THROUGH THE TAF
PERIOD. /22/
PRELIMINARY POINT TEMPS/POPS
JACKSON 72 95 73 96 / 0 10 0 20
MERIDIAN 72 95 73 97 / 0 10 0 10
VICKSBURG 71 95 73 95 / 0 0 0 10
HATTIESBURG 73 94 73 95 / 10 50 10 40
NATCHEZ 71 96 73 95 / 0 10 10 30
GREENVILLE 70 99 74 98 / 0 0 0 10
GREENWOOD 71 97 73 97 / 0 10 0 10
JAN WATCHES/WARNINGS/ADVISORIES
MS...NONE.
LA...NONE.
AR...NONE.
/SW/22
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