443
FXUS64 KLCH 250529
AFDLCH
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1229 AM CDT TUE AUG 25 2026
..NEW DISCUSSION, AVIATION, MARINE, FIRE WEATHER
KEY MESSAGES
- A HEAT ADVISORY IS IN EFFECT FOR PORTIONS OF SOUTHEAST TEXAS
FROM NOON UNTIL 7 PM THIS EVENING. MAX HEAT INDICES WILL TOP
OUT AROUND 108F. TEMPERATURES WILL REMAIN ABOVE NORMAL THROUGH
WEDNESDAY BEFORE RETURNING NEARER TO NORMAL THROUGH THE SECOND
HALF OF THE WEEK.
- AN INCREASE IN CLOUD COVER MAY KEEP TEMPERATURES SLIGHTLY LOWER
THIS AFTERNOON COMPARED TO THE PAST FEW DAYS.
- SCATTERED (30-60%) THUNDERSTORMS WILL DEVELOP IN THE VICINITY OF
THE ATCHAFALAYA BASIN THIS AFTERNOON. PRECIPITATION CHANCES
WILL BE LOWER ACROSS SOUTHEAST TEXAS AND SOUTHWEST LOUISIANA.
- PRECIPITATION CHANCES WILL INCREASE (50-80%) AREA WIDE THURSDAY
AND FRIDAY WITH SCATTERED (30-50%) THUNDERSTORMS EXPECTED EACH
AFTERNOON INTO THE UPCOMING WEEKEND.
DISCUSSION
(TONIGHT THROUGH NEXT MONDAY)
ISSUED AT 1229 AM CDT TUE AUG 25 2026
HOT AND HUMID CONDITIONS EXPECTED TO CONTINUE, HOWEVER RAIN
CHANCES WILL INCREASE LATE IN THE WEEK.
AN UPPER RIDGE REMAINS CENTERED OVER THE SW STATES. A WEAK UPPER
DISTURBANCE IS SLIDING SOUTH ALONG THE EASTERN PERIPHERY OF THE
RIDGE ACROSS THE STATE OF AR. SHOWERS AND A FEW STORMS ARE
ONGOING AND WILL MOVE INTO NORTH LA THROUGH THE NEXT FEW HOURS.
HIGH PRESSURE AT THE SURFACE IS CENTERED OVER THE CENTRAL GULF
WHICH IS KEEPING AN ONSHORE FLOW IN PLACE AND THEREFORE MOISTURE
LEVELS HIGH.
THROUGH TODAY, THE DISTURBANCE ALOFT OVER AR WILL CONTINUE SOUTH.
THIS MAY SPREAD EXTRA CLOUD COVER AND PERHAPS A FEW LIGHT SHOWERS
ACROSS THE CWA EARLY IN THE DAY THROUGH MID DAY. THIS MAY HELP
SUPPRESS TEMPERATURES A FEW DEGREES KEEPING MOST OF THE AREA OUT
OF HEAT ADVISORY CRITERIA. SLIGHTLY LESS CLOUD COVER IS
ANTICIPATED OVER SE TX. DURING PEAK HEATING, SCATTERED STORMS MAY
DEVELOP OVER THE LOWER ATCHAFALAYA BASIN.
THE UPPER RIDGE IS FORECAST TO NUDGE BACK INTO THE AREA WEDNESDAY
WITH TEMPERATURES LIKELY CLIMBING BACK TO HEAT ADV CRITERIA AT
MOST LOCATIONS BY AFTERNOON.
FINALLY! THURSDAY AND FRIDAY THE RIDGE'S GRIP IS ANTICIPATED TO
WEAKEN ENOUGH TO ALLOW SCATTERED TO NUMEROUS AFTERNOON STORMS
AREA WIDE WITH SCATTERED DIURNAL CONVECTION ANTICIPATED THROUGH
THE WEEKEND.
AVIATION
(06Z TAFS)
ISSUED AT 1229 AM CDT TUE AUG 25 2026
MOSTLY VFR CONDITIONS ARE ANTICIPATED THROUGH THE PERIOD, HOWEVER
LIGHT SHOWERS WILL BE POSSIBLE EARLY TUESDAY WITH SCATTERED STORMS
POSSIBLE BY AFTERNOON NEAR KLFT AND KARA. WINDS WILL BE LIGHT AND
VRB TONIGHT AND BECOME ONSHORE BY AFTERNOON WITH THE SEABREEZE.
MARINE
ISSUED AT 1229 AM CDT TUE AUG 25 2026
LIGHT WINDS AND LOW SEAS ANTICIPATED THROUGH THE PERIOD.
FIRE WEATHER
ISSUED AT 1229 AM CDT TUE AUG 25 2026
CONDITIONS CONTINUE TO DRY ACROSS THE REGION, HOWEVER RAIN CHANCES
WILL INCREASE LATE IN THE WEEK.
LCH WATCHES/WARNINGS/ADVISORIES
LA...NONE.
TX...HEAT ADVISORY FROM NOON TO 7 PM CDT TUESDAY FOR TXZ201-261-262-
515-516-615-616.
GM...NONE.
PUBLIC/FIRE/MARINE...05
AVIATION...05
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