816
FXUS64 KLCH 011956
AFDLCH
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
256 PM CDT MON JUN 1 2026
..NEW DISCUSSION, AVIATION, MARINE, FIRE WEATHER
KEY MESSAGES
- HUMID AND MUGGY WEATHER WILL CONTINUE FOR ONE MORE DAY INTO
TUESDAY. TEMPERATURES WILL WARM BY A DEGREE OR SO EACH DAY THRU
TUESDAY.
- HEAT INDICES IN THE UPPER 90S TO LOWER 100S CAN BE EXPECTED THRU
TOMORROW. PRACTICE HEAT SAFETY! HYDRATE, TAKE BREAKS, AND STICK
TO THE SHADE.
- PRECIPITATION CHANCES WILL INCREASE MARGINALLY OVER THE WEEK. A
FRONTAL BOUNDARY WILL ARRIVE MID THIS WEEK.
- A BREAK IN THE HEAT WILL ACCOMPANY INCREASED RAIN CHANCES
WEDNESDAY AND BEYOND.
DISCUSSION
(THIS EVENING THROUGH NEXT SUNDAY)
ISSUED AT 256 PM CDT MON JUN 1 2026
AN AREA OF SHOWERS DEVELOPED OVER LOWER ACADIANA THIS MORNING
WHICH HAVE MIGRATED OUT FROM THE REGION ON OUTFLOW BOUNDARIES.
ALTHOUGH WEAKNESS IS DEVELOPING ALOFT, THERE REMAINS A FAIR AMOUNT
OF CALM WINDS IN THE PROFILE. THIS MAKES FOR SLOW MOVING RAINERS.
IT'S BEEN DRY SINCE OUR LAST RUN OF RAINFALL, SO WATERWAYS ARE
ABLE TO HANDLE MOST OF THE RAINFALL OCCURRING. EXPECT THINGS TO
TAMP DOWN AFTER SUNDOWN.
THE SHOWERS DEVELOPING THIS MORNING ARE INDICATION OF THE PATTERN
CHANGE AS RIDGING IS BREAKING DOWN. WEAKNESS WILL DEVELOP FROM
TONIGHT INTO TUESDAY, ALLOWING FOR AN INCREASE IN RAINFALL
COVERAGE IN COMPARISON TO TODAY. VERY WARM AND HUMID AIR WILL
STILL BE AROUND, SO CONTINUE TO USE YOUR HEAT SAFETY TIPS!
FROM WEDNESDAY TO THE END OF THE WEEK A WEAK BOUNDARY WILL LAZE
OVERTOP THE REGION, ACTING AS THE FOCUS FOR DAILY RAIN CHANCES
EACH DAY. THE VERY HUMID AIRMASS WILL FURTHER BE REINFORCED BY THE
ARRIVAL OF A WEAK INVERTED TROUGH AND TROPICAL AIRMASS. PWATS OVER
THE 90TH PERCENTILE WILL ARRIVE TO THE REGION LATE IN THE WORK
WEEK FURTHER INCREASING RAIN CHANCES AND TOTALS TO START NEXT
WEEKEND.
11
AVIATION
(18Z TAFS)
ISSUED AT 256 PM CDT MON JUN 1 2026
AN AREA OF SHOWERS DEVELOPED OVER LOWER ACADIANA THIS MORNING
WHICH HAVE MIGRATED OUT FROM THE REGION ON OUTFLOW BOUNDARIES
MOVING TOWARDS ALL REMAINING TERMINALS. THE MAIN HAZARD WITH THESE
SHOWERS ARE LONG HEAVY DOWNPOURS AS THEY ARE MOVING RATHER
SLOWLY.
OUTSIDE OF SHOWERS, WINDS ARE SOMEWHAT VARIABLE AND NEARLY CALM
WITH MVFR CEILINGS. PATCHY FOG WILL BE POSSIBLE AGAIN TONIGHT AS
CONDITIONS GO TO CALM OVERNIGHT.
EXPECT AN INCREASE IN COVERAGE TOMORROW AS WEAKNESS DEVELOPS
OVERHEAD.
11
MARINE
ISSUED AT 256 PM CDT MON JUN 1 2026
SHOWERS ARE MOVING INTO THE NEARSHORE WATERS ON AN OUTFLOW
BOUNDARY FROM DAYTIME CONVECTION.
EXPECT MUCH OF THE SAME INTO TUESDAY WITH AN INCREASE IN DAILY
RAINFALL CHANCES FROM WEDNESDAY TO THE END OF THE WEEK. THIS IS IN
RESPONSE TO A BOUNDARY MOVING DOWN AND SETTLING INTO THE NORTH
GULF REGION OVER THE FORECAST PERIOD.
WINDS WILL LARGELY STAY LOW, BUT THURSDAY AND FRIDAY MAY SEE A
PERIOD OF INCREASED WINDS AND SEAS ON PRESSURE GRADIENT WHEN THE
BOUNDARY DIPS INTO NEARSHORE WATERS.
FIRE WEATHER
ISSUED AT 256 PM CDT MON JUN 1 2026
ANOMALOUSLY AIRMASS WILL REMAIN IN PLACE THROUGH THE REST OF THE
WEEK. EXPECT ONE MORE DAY OF ABOVE AVERAGE WARMTH ON TUESDAY
BEFORE A BOUNDARY SETTLES IN OVER THE REGION WEDNESDAY TO THE END
OF THE WEEK BRINGING INCREASED RAIN CHANCES AND LOWER DAYTIME
TEMPS.
LCH WATCHES/WARNINGS/ADVISORIES
LA...NONE.
TX...NONE.
GM...NONE.
PUBLIC/FIRE/MARINE...11
AVIATION...11
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