451
FXUS64 KMRX 302344
AFDMRX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MORRISTOWN TN
644 PM EST TUE DEC 30 2025
..NEW AVIATION
KEY MESSAGES
UPDATED AT 640 PM EST TUE DEC 30 2025
- SNOW SHOWERS INCREASINGLY LIKELY FOR SOUTHWEST VA AND NORTHEAST TN
WEDNESDAY NIGHT INTO THURSDAY MORNING. LIGHT ACCUMULATIONS PROBABLE.
- MODERATING TEMPERATURES THROUGH THE END OF THE WEEK.
- NEXT ROUND OF PRECIP BY FRIDAY INTO EARLY SATURDAY, MAINLY SOUTH
OF I-40.
DISCUSSION
ISSUED AT 1239 PM EST TUE DEC 30 2025
ANOTHER COLD NIGHT IN STORE WITH OVERNIGHT LOWS IN THE LOW TO MID
20S FOR MOST AREAS. IF IT WEREN'T FOR THE LIGHT WINDS AND HIGH
CLOUDS MOVING IN, WE WOULD SEE EVEN COLDER TEMPS.
A WARMING TREND BEGINS TOMORROW WITH HIGHS GETTING BACK INTO THE
40S. A QUICK AROUND ROUND OF LIGHT SNOW SHOWERS LOOKS
INCREASINGLY MORE LIKELY ACROSS SOUTHWEST VA AND EXTREME NORTHEAST
TN LATE WEDNESDAY NIGHT INTO THURSDAY MORNING. HREF PROBS SHOW
MODERATE PROBABILITIES TO SEE UP TO 0.5 INCHES ACROSS PORTIONS OF
WISE, RUSSELL, AND WASHINGTON COUNTY VA, AND PERHAPS EVEN JOHNSON
AND CARTER COUNTY TN. MINOR TRAVEL IMPACTS ARE POSSIBLE DURING THE
THURSDAY MORNING COMMUTE. SNOW SHOWERS SHOULD COME TO AN END BY
EARLY TO MID AFTERNOON.
MODELS HAVE TRENDED FURTHER SOUTH WITH THE FRIDAY/SATURDAY SYSTEM.
THE MORE LIKELY AREAS TO NOW SEE RAINFALL WILL BE ACROSS OUR
SOUTHERN AREAS, ESPECIALLY THE CLOSER YOU GET TO THE TN/AL/GA STATE
LINES AND AS WELL AS SOUTHWEST NC. AREAS NORTH OF I-40 MAY END UP
BEING COMPLETELY DRY. THE CURRENT QPF FORECAST FOR OUR SOUTHERN
AREAS IS AROUND 0.5 INCHES, AROUND 0.1 INCHES FOR KNOXVILLE, AND
NONE FOR NORTHEAST TN AND SOUTHWEST VA.
THE WEEKEND AND INTO NEXT WEEK CONTINUES TO LOOKS MOSTLY DRY ALONG
WITH MILD TEMPERATURES. ANY LINGERING RAIN FROM FRIDAY NIGHT SHOULD
EXIT BY LATE SATURDAY MORNING.
AVIATION
(00Z TAFS)
ISSUED AT 640 PM EST TUE DEC 30 2025
VFR OVERNIGHT WITH RELATIVELY CLEAR SKIES AND WINDS BELOW 10 KT.
SWLY WINDS WITH GUSTS UP TO NEAR 20 KT POSSIBLE AT TYS AND TRI
WEDNESDAY DURING THE DAY.
PRELIMINARY POINT TEMPS/POPS
CHATTANOOGA AIRPORT, TN 25 50 30 55 / 0 0 0 0
KNOXVILLE MCGHEE TYSON AIRPORT, TN 24 46 30 49 / 0 0 0 0
OAK RIDGE, TN 23 46 29 49 / 0 0 0 0
TRI CITIES AIRPORT, TN 21 41 29 43 / 0 0 10 0
MRX WATCHES/WARNINGS/ADVISORIES
NC...NONE.
TN...NONE.
VA...NONE.
DISCUSSION...99
AVIATION...KS
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