173
FXUS64 KJAN 281824
AFDJAN
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE JACKSON MS
124 PM CDT FRI AUG 28 2026
..NEW DISCUSSION
KEY MESSAGES
- RAIN CHANCES DECREASE THIS WEEKEND, WITH RAIN AND STORMS
BECOMING CONFINED TO PINE BELT AND INTERSTATE 59 CORRIDOR.
- DANGEROUS HEAT STRESS MAY RETURN ACROSS THE FORECAST AREA
EARLY TO LATE NEXT WEEK.
DISCUSSION
ISSUED AT 119 PM CDT FRI AUG 28 2026
THROUGH SATURDAY: DRIER WEATHER AND LESS HUMIDITY IS EXPECTED
TONIGHT AND SATURDAY AS A DRIER AIRMASS MOVES INTO THE NORTHERN HALF
OF THE CWA. LATEST SURFACE ANALYSIS HAD A NEARLY STATIONARY DRY COLD
FRONT BETWEEN HIGHWAY 82 AND INTERSTATE 20. CONTINUED NORTHWEST FLOW
ALOFT COMBINED WITH NORTHERLY LOW LEVEL FLOW FROM A SURFACE HIGH TO
THE NORTH WILL CONTINUE TO HELP THE DRY COLD FRONT DRIFT FURTHER
SOUTH INTO OUR CWA BEFORE STALLING TONIGHT. NORTH OF THE COLD FRONT
SURFACE DEW POINTS WILL DROP INTO THE 60S AND PWATS WILL DROP BELOW
AN INCH AND A HALF. THE SURFACE HIGH WILL CONTINUE SHIFTING EAST
THROUGH SATURDAY RESULTING IN A NORTHEAST TO EASTERLY WIND. THE
LARGE MID LEVEL RIDGE TO OUR WEST WILL BEGIN SPREADING BACK TO THE
EAST OVER OUR CWA. TOGETHER THESE FEATURES WILL RESULT IN WARMER
TEMPERATURES SATURDAY BUT ALSO DRIER CONDITIONS OVER MOST OF THE
CWA. LOW CHANCES OF AFTERNOON CONVECTION IS EXPECTED TO BECOME
LIMITED TO THE INTERSTATE 59 CORRIDOR. /22/
SATURDAY NIGHT THROUGH NEXT THURSDAY
SATURDAY NIGHT - SUNDAY:
AN UPPER-LVL HIGH OVER THE SOUTHWEST & TEXAS WILL EXPAND AND
PROGRESS EASTWARD TOWARDS THE SOUTHEAST. A CUT-OFF LOW PRESSURE
CENTER NEAR GULF STATES WILL TRACK WESTWARD, SHIFTING RAIN
CHANCES SOUTHEAST INTO THE PINE BELT INTO WEEKEND, WITH THE
INTERSTATE 59 CORRIDOR RANGING FROM 15-30% SUNDAY. AS THE HIGH
PROGRESSES, HEAT INDICES ARE EXPECTED START INCREASING TO NEAR 100
DEGREES SUNDAY.
MONDAY - THURSDAY NIGHT:
THE AFOREMENTIONED HIGH WILL SETTLE OVER THE SOUTHEAST CONUS AROUND
TUESDAY, LINGERING THROUGH THE REST OF THE WEEK. AS A RESULT,
DANGEROUS HEAT CONCERNS ARE EXPECTED TO RETURN MID-WEEK AS HEAT
INDICES PEAK NEAR OR IN EXCESS OF 105F. HWO GRAPHICS MAY BE NEEDED
BUT TIMING IS STILL SEVERAL DAYS AWAYS. ANOTHER LOW PRESSURE WILL
TRAVERSE AROUND THE RIDGE, BRING DEEP MOISTURE AND STORM CHANCES
SOUTHEAST OF I-20 AND ALONG HWY 84 THROUGH THE FORECAST PERIOD. /SW/
AVIATION
(18Z TAFS)
ISSUED AT 1227 PM CDT FRI AUG 28 2026
WITH THE EXCEPTION OF A BRIEF PERIOD 10-13Z WHERE MVFR VSBYS WL
BE PSBL OVER THE SE, VFR CONDITIONS WL PREVAIL THROUGH THE END OF
THE TAF PERIOD. /22/
PRELIMINARY POINT TEMPS/POPS
JACKSON 70 95 71 94 / 0 0 0 20
MERIDIAN 70 95 72 94 / 0 10 0 20
VICKSBURG 69 95 70 94 / 0 0 0 10
HATTIESBURG 71 95 71 93 / 10 10 10 60
NATCHEZ 70 95 71 94 / 0 0 0 20
GREENVILLE 68 95 70 97 / 0 0 0 10
GREENWOOD 68 96 71 96 / 0 0 0 10
JAN WATCHES/WARNINGS/ADVISORIES
MS...NONE.
LA...NONE.
AR...NONE.
22/SW/22
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