829  
FXUS64 KMRX 021906  
AFDMRX  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE MORRISTOWN TN  
306 PM EDT FRI OCT 2 2026  
   
..NEW DISCUSSION
 
 
   
KEY MESSAGES
 
 
UPDATED AT 258 PM EDT FRI OCT 2 2026  
 
- A FEW SHOWERS AND MAYBE A THUNDERSTORM THIS EVENING, WITH  
PERIODS OF RAIN THROUGH THE WEEKEND, FAVORING NORTHERN AREAS  
FIRST, THEN SWITCHING TO SOUTHERN AREAS TOMORROW AFTERNOON  
THROUGH SUNDAY.  
 
- DRIER AND COOLER CONDITIONS WILL RETURN NEXT WEEK.  
 

 
   
DISCUSSION
 
 
ISSUED AT 258 PM EDT FRI OCT 2 2026  
 
A FEW SHOWERS HAVE FORMED ON RADAR THIS AFTERNOON, CURRENTLY ACROSS  
FAR EASTERN PORTIONS OF THE CUMBERLAND PLATEAU. A RUMBLE OF THUNDER  
IS POSSIBLE IN THIS ACTIVITY AS IT MOVES EASTWARDS. TONIGHT,  
SHOWERS, WITH MAYBE A RUMBLE OF THUNDER, WILL PROGRESS FROM THE WEST  
TO THE EAST, AND BRING LIGHT RAINFALL TO MAINLY A SOUTHWESTERN TO  
NORTHEASTERN PORTION OF THE AREA. IT'S CONCEIVABLE THAT THOSE  
CLOSEST TO, OR IN, NORTH CAROLINA WILL REMAIN DRY.  
 
TOMORROW, LIKELY TOWARDS NOON OR EARLY AFTERNOON, WE WILL SEE A  
TRANSITION OCCUR BETWEEN THE MORNING SHOWERS ACROSS THE NORTH  
DISSIPATING, AND SCATTERED SHOWERS AND STORMS DEVELOPING ACROSS  
GEORGIA AND NORTH CAROLINA. THE MOUNTAINS OF FAR EAST TN AND  
SOUTHWEST NC HAVE THE BEST CHANCES TO SEE RAINFALL FROM THE  
AFTERNOON AND EARLY EVENING ACTIVITY. FINALLY, SUNDAY IS LIKELY TO  
SEE STEADIER RAINFALL FOR MUCH OF THE DAY, ESPECIALLY ACROSS FAR  
EASTERN AND SOUTHEASTERN COUNTIES BORDERING NC, AS UPPER JET SUPPORT  
HELPS FUEL STRATIFORM RAIN. TOTAL RAIN AMOUNTS ARE REASONABLE AT  
1-2 INCHES, AND I THINK FLOOD RISK REMAINS VERY LOW OVERALL.  
GUIDANCE HAS BEEN LESS ENTHUSIASTIC ABOUT THE POTENTIAL FOR  
HEAVIER RAIN RATES ON SUNDAY, BUT IF THE BETTER FORCING ARRIVES,  
THEN WE WOULD SEE MORE MODERATE RAIN RATES FOR A SUSTAINED PERIOD.  
THE BEST CHANCES OF EXCEEDING 2" THROUGH THIS WEEKEND EXIST ALONG  
THE NORTHERN CUMBERLAND PLATEAU (FOR RAIN NOW AND TOMORROW  
MORNING PRIMARILY), AND ACROSS OUR MOST SOUTHERN TO EASTERN  
COUNTIES SUCH AS MARION, HAMILTON TO CLAY AND UP TO UNICOI (FOR  
RAIN TOMORROW AFTERNOON AND ON SUNDAY PRIMARILY).  
 
AS WE ENTER NEXT WEEK WE WILL ENTER A RATHER BENIGN WEATHER  
PATTERN, WITH A STRONG POLAR JET NORTH NEAR THE CANADIAN BORDER  
AND A WEAKER SUBTROPICAL JET ACROSS THE SOUTHERN US. END RESULT,  
SHY OF ANY COLD AIR DAM DEVELOPMENTS, WILL BE TEMPERATURES  
HOVERING IN THE UPPER 70S EACH DAY NEXT WEEK FOR HIGHS, 40S/50S  
FOR LOWS, AND DRY WEATHER. ALSO KNOWN AS FALL!  
 

 
   
AVIATION
 
 
(18Z TAFS)  
ISSUED AT 144 PM EDT FRI OCT 2 2026  
 
A SLOW MOVING FRONTAL BAND WILL BE THE MAIN FEATURE THROUGH THE  
WEEKEND. TONIGHT CLOUDS WILL BECOME A GREATER FIXTURE, WITH RAIN  
BEING AT LEAST NEAR THE TAFS OVERNIGHT. EXACT PLACEMENT OF  
STALLING AND THEN DISSIPATING BAND OF RAIN WILL DETERMINE RAINFALL  
AND IMPACTS, IF ANY, THROUGH MORNING. MVFR CEILINGS ARE LIKELY  
TOMORROW MORNING, BEFORE LIFTING OR SCATTERING TOWARDS THE END OF  
THE PERIOD.  
 

 
   
PRELIMINARY POINT TEMPS/POPS
 
 
CHATTANOOGA AIRPORT, TN 69 88 70 79 / 10 60 80 90  
KNOXVILLE MCGHEE TYSON AIRPORT, TN 68 84 68 77 / 50 40 90 90  
OAK RIDGE, TN 67 81 67 76 / 60 50 80 90  
TRI CITIES AIRPORT, TN 65 78 64 72 / 60 70 80 80  
 

 
   
MRX WATCHES/WARNINGS/ADVISORIES
 
 
NC...NONE.  
TN...NONE.  
VA...NONE.  

 
 

 
 
DISCUSSION...WELLINGTON  
AVIATION...WELLINGTON  
 
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