395
FXUS64 KLCH 162308
AFDLCH
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAKE CHARLES LA
608 PM CDT SUN AUG 16 2026
..NEW AVIATION
KEY MESSAGES
- A HEAT ADVISORY IS IN EFFECT UNTIL 8 PM THIS EVENING AND HAS
BEEN ISSUED AGAIN FOR MONDAY FROM 11 AM TO 8PM. HIGHS IN THE MID
90S TO 100F AND HUMIDITY WILL RESULT IN HEAT INDICES IN THE
105 TO 111F RANGE.
- AN UPPER LEVEL RIDGE WILL REMAIN IN PLACE ACROSS THE NORTHERN
GULF COAST THROUGH THE MIDDLE OF NEXT WEEK KEEPING AFTERNOON
HIGHS ABOVE NORMAL.
- NO APPRECIABLE PRECIPITATION CHANCES EXIST THROUGH THE NEXT SEVEN
DAYS.
DISCUSSION
(THIS EVENING THROUGH NEXT SATURDAY)
ISSUED AT 150 PM CDT SUN AUG 16 2026
HIGH PRESSURE CONTINUES TO INFLUENCE THE AREA AND AS A RESULT OF THE
COMPRESSIONAL HEATING COMBINED WITH AMBIENT GULF MOISTURE A HEAT
ADVISORY HAS BEEN ISSUED AREAWIDE ACROSS THE CWA FOR MONDAY. THE
UPPER LEVEL RIDGE PATTERN IS SOMEWHAT STAGNANT BUT IS STARTING TO
SHIFT ACROSS THE NORTHERN GULF WATERS INTO THE SECONUS. TEMPERATURES
WILL TREND IN THE MID TO UPPER 90S. SOME BACKYARDS WILL LIKELY TOP
OUT AROUND THE LOW 100S. THEREFORE, WOULD NOT BE SURPRISED TO SEE
CONTINUED HEAT HEADLINES FOR ALL OR AT LEAST PORTIONS OF THE
FORECAST AREA THROUGH WEDNESDAY.
BY THURSDAY THE UPPER LEVEL RIDGE BEGINS TO BROADEN FURTHER
SUGGESTING OPPORTUNITIES FOR ISOLATED CONVECTIVE SHOWERS / STORMS MAY
BE POSSIBLE. TEMPERATURES WILL STILL TREND THROUGHOUT THE 90S, BUT
POTENTIALLY ENOUGH MARGIN TO LOWER FROM THE DANGEROUSLY HOT
CONDITIONS WE ARE CURRENTLY EXPERIENCING. MEANWHILE MOVING INTO
FRIDAY AN UPPER LEVEL LOW IS CARRIED EAST ACROSS THE CENTRAL GULF BY
WEAK EASTERLY TRADES. IN PREVIOUS FORECAST DISCUSSIONS, IT WAS NOTED
THAT A TROUGH MAY ATTEMPT TO DEEPEN INTO THE SOUTHERN PLAINS AND
POSSIBLY LATCH ON TO THE UPPER LEVEL TROUGH AND FACILITATE ISOLATED
TO SCATTERED RAIN CHANCES TOWARD THE END OF THE FORECAST PERIOD.
RECENT MODEL ANALYSIS INDICATES, THE TROUGH PATTERN ACROSS THE
NORTHERN 48 MAY BE LESS PRONOUNCED TOWARD NEXT WEEKEND. THUS,
UNCERTAINTY REMAINS ON WHETHER OR NOT THE SETX AND SWLA REGION COULD
SEE SOME RAINFALL RELIEF NEXT WEEKEND. AT BEST CONFIDENCE IS ONLY
STRONG ENOUGH TO GENERATE LOW END POPS IN THE FORECAST DURING THAT
TIME.
AVIATION
(00Z TAFS)
ISSUED AT 607 PM CDT SUN AUG 16 2026
VFR WITH LIGHT SOUTH TO SOUTHWEST WINDS THROUGH THE PERIOD.
AVIATION
(18Z TAFS)
ISSUED AT 150 PM CDT SUN AUG 16 2026
CONDITIONS WILL PREVAIL VFR THROUGH THIS TAF CYCLE. LIGHT SOUTHWEST
OR VARIABLE WINDS ARE EXPECTED TO CALM TONIGHT WITH NO WEATHER
EXPECTED. LIGHT SOUTH-SOUTHWEST BREEZE TAKE PLACE AGAIN MONDAY AS
VFR CONDITIONS PREVAIL.
30
MARINE
ISSUED AT 150 PM CDT SUN AUG 16 2026
A LIGHT ONSHORE FLOW IS ANTICIPATED THROUGH THE MIDDLE THIS WEEK.
FIRE WEATHER
ISSUED AT 150 PM CDT SUN AUG 16 2026
WHILE ISOLATED AFTERNOON SHOWERS AND STORMS MAY BE POSSIBLE IN
ACADIANA MONDAY, THE REGION WILL REMAIN VERY DRY. WITH RAIN NOT
ANTICIPATED, AND TEMPERATURES REMAINING WELL ABOVE NORMAL KBDI
VALUES WILL CONTINUE TO INCREASE THROUGH THE MIDDLE OF THE WEEK
AHEAD.
LCH WATCHES/WARNINGS/ADVISORIES
LA...HEAT ADVISORY UNTIL 8 PM CDT THIS EVENING FOR LAZ027>033-044-045-
055-073-074-141>143-152>154-241>243-252>254.
HEAT ADVISORY FROM 11 AM TO 8 PM CDT MONDAY FOR LAZ027>033-044-
045-055-073-074-141>143-152>154-241>243-252>254.
TX...HEAT ADVISORY UNTIL 8 PM CDT THIS EVENING FOR TXZ180-201-259>262-
515-516-615-616.
HEAT ADVISORY FROM 11 AM TO 8 PM CDT MONDAY FOR TXZ180-201-
259>262-515-516-615-616.
GM...NONE.
PUBLIC/FIRE/MARINE...05
AVIATION...05
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