415
FXUS64 KMRX 261112
AFDMRX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MORRISTOWN TN
712 AM EDT SAT SEP 26 2026
..NEW AVIATION
KEY MESSAGES
UPDATED AT 702 AM EDT SAT SEP 26 2026
- FALL-LIKE TEMPERATURES CONTINUE THROUGH THE WEEKEND FOLLOWED BY
WARMER TEMPERATURES NEXT WEEK.
- DRY WEATHER IS EXPECTED TO CONTINUE THROUGH AT LEAST MIDWEEK
WITH RAIN CHANCES POSSIBLY RETURNING BY FRIDAY.
DISCUSSION
ISSUED AT 129 AM EDT SAT SEP 26 2026
IN THE UPPER LEVELS, A RIDGE IS OVER THE MISSISSIPPI VALLEY AND A
CLOSED LOW IS JUST OFF THE COAST OF THE MID-ATLANTIC. AT THE
SURFACE, HIGH PRESSURE IS CENTERED OVER THE GREAT LAKES EXTENDING
SOUTHWARD TO THE GULF COAST. A NOR'EASTER IS JUST OFF THE COAST OF
THE MID-ATLANTIC. DRY, SUNNY WEATHER WITH PLEASANT TEMPERATURES WILL
CONTINUE THIS WEEKEND AND INTO EARLY NEXT WEEK WITH HIGHS MAINLY IN
THE 70S.
BY MIDWEEK, THE PATTERN STARTS TO CHANGE WITH A WEAK RIDGE OVER THE
SOUTHEAST AND A CLOSED LOW DEVELOPING OVER THE SOUTHWEST. A WARMING
TREND WILL BECOME NOTICEABLE BY TUESDAY OR WEDNESDAY WITH HIGHS IN
THE 80S FOR THE REST OF THE WORKWEEK. SOME LOW RAIN CHANCES ARE IN
THE FORECAST FOR THURSDAY AND FRIDAY TO ACCOUNT FOR UNCERTAINTY BUT
IT LOOKS LIKE THE SYSTEM WILL MOVE NORTHEAST INTO THE MIDWEST LATE
IN THE WORKWEEK.
AVIATION
(12Z TAFS)
ISSUED AT 702 AM EDT SAT SEP 26 2026
SOME BRIEF MORNING FOG TO START AT TRI, AND WILL LIKELY SEE FOG
DEVELOPMENT THERE AGAIN NEAR THE END OF THE PERIOD. OTHERWISE,
WILL HAVE A VFR FORECAST FOR THE PERIOD ALL SITES.
PRELIMINARY POINT TEMPS/POPS
CHATTANOOGA AIRPORT, TN 81 54 81 52 / 0 0 0 0
KNOXVILLE MCGHEE TYSON AIRPORT, TN 76 49 76 49 / 0 0 0 0
OAK RIDGE, TN 77 49 77 49 / 0 0 0 0
TRI CITIES AIRPORT, TN 74 44 73 46 / 0 0 0 0
MRX WATCHES/WARNINGS/ADVISORIES
NC...NONE.
TN...NONE.
VA...NONE.
DISCUSSION...MCD
AVIATION...99
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