958
FXUS64 KLCH 121721
AFDLCH
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
1221 PM CDT MON OCT 12 2026
..NEW DISCUSSION, AVIATION, MARINE, FIRE WEATHER
KEY MESSAGES
-SOUTH WINDS WILL INCREASE LOW LEVEL MOISTURE AND HUMIDITY INTO
TUESDAY.
-ISOLATED TO SCATTERED RAINFALL CHANCES APPEAR BRIEFLY TUESDAY.
OTHERWISE, AN UPPER LEVEL RIDGE BUILDING IN WILL LIMIT RAIN
CHANCES WHILE OFFERING ABOVE NORMAL SEASONAL TEMPERATURES AND
HUMID CONDITIONS THROUGH THROUGH FRIDAY AHEAD OF AN APPROACHING
DRY COLD FRONT.
-ELEVATED FIRE WEATHER CONCERNS WILL OCCUR THIS WEEKEND.
DISCUSSION
(THIS AFTERNOON THROUGH NEXT SUNDAY)
ISSUED AT 1221 PM CDT MON OCT 12 2026
HIGH PRESSURE IS CENTERED OVER THE SE STATES THIS AFTERNOON WITH A
FRONTAL BOUNDARY STALLED ACROSS THE CENTRAL GULF. THE TAIL END OF
THE BOUNDARY IS LIFTING NORTH ACROSS THE CENTRAL TX COAST. A FEW
SHOWERS ARE OCCURRING NEAR THE BOUNDARY. LOCALLY, MOISTURE IS
GRADUALLY INCREASING, BUT MAINLY ACROSS SE TX AND SW LA.
TONIGHT INTO TUESDAY, THE BOUNDARY WILL CONTINUE TO LIFT NORTH
WITH A FEW SHOWERS POSSIBLE IN SE TX AS EARLY AS THIS EVENING.
NOCTURNAL SHOWERS OVER THE COASTAL WATERS MAY MOVE INLAND INTO SW
LA AND SE TX AND ADDITIONAL CONVECTION WILL BE POSSIBLE THROUGH
TUESDAY. THE HIGHEST CHANCES WILL REMAIN IN SE TX AND SW LA WITH
LIMITED MOISTURE ANTICIPATED NORTH AND EAST. WHILE SOME AREAS MAY
RECEIVE A GOOD DOWNPOUR, LITTLE DROUGHT RELIEF IS ANTICIPATED, IF
ANY.
WEDNESDAY AND THURSDAY AN UPPER RIDGE BUILDS OVERHEAD AND HIGHER
MOISTURE VALUES SHIFT DEEPER INTO TX. TEMPERATURES ARE EXPECTED TO
REMAIN WELL ABOVE NORMAL WHILE RAIN CHANCES MOVE TO NEAR ZERO.
A SHORT WAVE WILL MOVE ACROSS THE GREAT LAKES THURSDAY AND FRIDAY
PUSHING A COLD FRONT SOUTH. THE FRONT WILL UNDERCUT THE UPPER
RIDGE ACROSS THE LOCAL AREA KEEPING RAIN CHANCES LOW TO NEAR 0,
HOWEVER A COOLER AND DRYER AIRMASS WILL SPILL IN FOR THE WEEKEND.
AVIATION
(18Z TAFS)
ISSUED AT 1221 PM CDT MON OCT 12 2026
PATCHY MVFR CEILINGS MAY OCCUR THROUGH THE NEXT FEW HOURS AS THE
CU FIELD DEVELOPS. ADDITIONAL MVFR CONDITIONS WILL BE POSSIBLE MID
DAY TUESDAY AS THE CU FIELD REDEVELOPS. A FEW SHOWERS MAY ALSO
MOVE INTO COASTAL SE TX AND SW LA BY EARLY TUE. WINDS WILL BE
SOUTH TO SE DURING THE PERIOD.
MARINE
ISSUED AT 1221 PM CDT MON OCT 12 2026
A LIGHT TO MODERATE ONSHORE FLOW WILL REMAIN IN PLACE THROUGH
EARLY FRIDAY AS HIGH PRESSURE REMAINS EAST OF THE AREA. A COLD
FRONT MAY PUSH THROUGH LATE FRIDAY WITH A STRONG OFFSHORE FLOW
IN THE WAKE OF THE BOUNDARY THAT SLOWLY RELAXES LATE SATURDAY
INTO SUNDAY.
FIRE WEATHER
ISSUED AT 1221 PM CDT MON OCT 12 2026
MOISTURE WILL INCREASE INTO TUESDAY. SCATTERED SHOWERS AND STORMS
WILL BE POSSIBLE IN SE TX AND SW LA BY TUESDAY AFTERNOON, HOWEVER
RAIN CHANCES LOWER FOR THE REST OF THE WEEK AS A RIDGE ALOFT
STRENGTHENS.
A COLD FRONT WILL SWEEP THROUGH THE AREA FRIDAY WITH A MUCH DRYER
AIRMASS FILTERING IN FOR SATURDAY. RED FLAG CONDITIONS MAY OCCUR
SATURDAY.
LCH WATCHES/WARNINGS/ADVISORIES
LA...NONE.
TX...NONE.
GM...NONE.
PUBLIC/FIRE/MARINE...05
AVIATION...05
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