456
FXUS64 KJAN 271847
AFDJAN
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE JACKSON MS
147 PM CDT THU AUG 27 2026
..NEW DISCUSSION
KEY MESSAGES
- TROPICAL STORM DOLLY HAS FORMED IN THE CENTRAL ATLANTIC AND NO
IMPACTS ARE EXPECTED TO GULF COAST OVER THE NEXT SEVEN DAYS.
- RAIN CHANCES LESSEN INTO THE WEEKEND, WITH RAIN AND STORMS MOSTLY
CONFINED TO PINE BELT AND INTERSTATE 59 CORRIDOR.
- DANGEROUS HEAT STRESS MAY RETURN ACROSS THE FORECAST AREA LATE
THIS WEEKEND INTO NEXT WEEK.
DISCUSSION
ISSUED AT 142 PM CDT THU AUG 27 2026
TONIGHT THROUGH NEXT WEDNESDAY
TONIGHT - SUNDAY:
RAIN AND STORM CHANCES WILL CONTINUE TO DECREASE FOR MAJORITY OF THE
CWA AS THE FRONTAL BOUNDARY TRAVERSE SOUTH THIS AFTERNOON. ONCE THE
FRONT STALLS NEAR THE GULF COASTLINE, EVENING RAIN CHANCES WILL
BECOME CONFINED TO THE PINE BELT THROUGH THE EARLY EVENING. THE
TROUGH WILL LIFT NORTHWARD FRIDAY, ALLOWING AN UPPER-LVL HIGH OVER
THE SOUTHWEST & TEXAS TO GRADUALLY MOVE EASTWARD TOWARDS THE
SOUTHEAST. PATCHY FOG DEVELOPMENT MAY BE POSSIBLE PRE-SUNRISE
FRIDAY MORNING. A CUT-OFF LOW PRESSURE NEAR GULF STATES WILL TRACK
WESTWARDS, SHIFTING RAIN CHANCES SOUTHEAST INTO THE PINE BELT
INTO WEEKEND, WITH THE INTERSTATE 59 CORRIDOR RANGING FROM 15-30%
FRIDAY THROUGH SUNDAY. AS THE HIGH PROGRESSES, HEAT INDICES ARE
EXPECTED START INCREASING TO NEAR 100 DEGREES BY SUNDAY.
MONDAY - WEDNESDAY 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/DC/
AVIATION
(18Z TAFS)
ISSUED AT 1241 PM CDT THU AUG 27 2026
MVFR CIGS WL CONTINUE OVER THE CNTRL TAF SITES UNTIL IMPROVING BY
20Z. VFR CONDITIONS WL THEN PREVAIL AREAWIDE UNTIL AFTER 08Z WHEN
MVFR VSBYS AND CIGS BEGIN DEVELOPING. IFR/LIFR CIGS WL BE PSBL
ACROSS THE SOUTH 10-13Z. CONDITIONS SHOULD IMPROVE TO VFR AREAWIDE
BY 15Z. /22/
PRELIMINARY POINT TEMPS/POPS
JACKSON 70 92 70 94 / 10 10 0 10
MERIDIAN 71 93 70 95 / 10 20 10 10
VICKSBURG 70 91 69 92 / 10 20 0 0
HATTIESBURG 71 93 71 94 / 40 20 10 10
NATCHEZ 70 92 70 94 / 10 10 0 0
GREENVILLE 71 92 68 93 / 0 10 0 0
GREENWOOD 71 94 69 95 / 10 10 0 0
JAN WATCHES/WARNINGS/ADVISORIES
MS...NONE.
LA...NONE.
AR...NONE.
/SW/22
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