342  
FXUS64 KMRX 110648  
AFDMRX  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE MORRISTOWN TN  
248 AM EDT SAT APR 11 2026  
   
..NEW DISCUSSION
 
 
   
KEY MESSAGES
 
 
UPDATED AT 232 AM EDT SAT APR 11 2026  
 
- A WARMING TREND WILL CONTINUE THIS WEEKEND, WITH ABOVE NORMAL  
TEMPERATURES EXPECTED THROUGH NEXT WEEK. RECORD HIGHS ARE POSSIBLE  
NEXT WEEK.  
 
- DRY WEATHER IS LIKELY TO PERSIST THROUGH NEXT WEEK, WORSENING  
DROUGHT AND FIRE CONDITIONS.  
 

 
   
DISCUSSION
 
 
ISSUED AT 232 AM EDT SAT APR 11 2026  
 
THE FORECAST CAN BE CHARACTERIZED BY SE RIDGING AND SURFACE HIGH  
PRESSURE EVENTUALLY MOVING OFF OF THE COAST. WEATHER SYSTEMS WILL  
PRIMARILY ROUND THE TOP OF THE RIDGE, KEEPING OUR AREA FROM SEEING  
MUCH NEEDED RAINFALL INTO THE COMING WEEK. WITH HIGH PRESSURE  
EVENTUALLY SITUATED TO OUR EAST, SOUTHWEST FLOW WILL SEND IN MUCH  
WARMER TEMPERATURES IN THE COMING DAYS. SOME MAY SEE THEIR FIRST 90  
DEGREE READING OF THE YEAR/SEASON. A TABLE OF DAILY RECORD HIGHS  
WILL BE AT THE BOTTOM OF THIS DISCUSSION, AS RECORDS COULD BE TIED  
OR BROKEN.  
 
THE PRIMARY CONCERN WITH PERSISTENT DRY CONDITONS SINCE EASTER, FOR  
MOST, WILL BE AN INCREASING THREAT FOR FIRE POTENTIAL; WITH  
TEMPERATURES WARMING AND NOT MUCH IN THE WAY OF MOISTURE RETURN.  
MINIMUM RHS WILL MOSTLY RANGE IN THE 20 AND 30 PERCENT RANGE. SW  
WINDS ARE FORECAST TO INCREASE SUNDAY AFTERNOON AND MOST LIKELY  
REMAIN IN THAT GENERAL DIRECTION MUCH OF THE WEEK. SOUTHWEST WINDS  
TEND TO BE A FAVORABLE DIRECTION WITH A FUNNELING-LIKE EFFECT UP  
VALLEY, THUS, CREATING STRONGER GUSTS. SPC FIRE HAS PLACED WESTERN  
PARTS OF THE FORECAST AREA UNDER A DAY 3 MARGINAL RISK FOR INCREASED  
WINDS, TEMPS, LOW RH, PAIRED WITH DRY FUELS CONCURRENT FOR AT LEAST  
3 HOURS. EVEN THOUGH WINDS WILL BE STRONGER ON MONDAY, INCREASED  
CLOUD COVER MAY KEEP RHS FROM GETTING MUCH LOWER.  
 
ANY CHANCE FOR PRECIPITATION AT ALL? A FRONTAL BOUNDARY WILL DRAPE  
ACROSS THE AREA LATER TODAY. IT'S POSSIBLE A SHOWER OR THUNDERSTORM  
DEVELOPS NEAR THE NORTHERN PLATEAU INTO SOUTHWEST VA LATER THIS  
AFTERNOON. CAMS AND DETERMINISTIC MODELS DEPICT THIS CHANCE,  
ALTHOUGH IT'LL BE LOW. HREF PROBS SHOW NO MORE THAN A 30 PERCENT  
CHANCE OF A TENTH OF AN INCH OR GREATER. THE SAME AREAS MAY BE  
BRUSHED BY ADDITIONAL CHANCES MONDAY, POSSIBLY TUESDAY. THE NEXT  
BEST CHANCE OF WIDESPREAD RAIN FOR THE ENTIRE FORECAST AREA MOST  
LIKELY WON'T BE UNTIL THE END OF THE FORECAST PERIOD.  
 
DAILY RECORD HIGH MAXIMUM TEMPERATURES  
 
DATE CHATTANOOGA KNOXVILLE TRI-CITIES OAK RIDGE  
04-11 87(2001) 86(2001) 86(2001) 85(2001)  
04-12 89(1887) 87(1930) 84(1945) 87(1948)  
04-13 88(1887) 89(1887) 86(1981) 86(2017)  
04-14 87(2010) 86(1887) 85(1938) 88(2017)  
04-15 87(2006) 87(1936) 85(1945) 86(2024)  
04-16 89(2002) 87(1896) 87(2002) 88(2002)  
04-17 91(1955) 90(1896) 85(2002) 88(1955)  
 

 
   
AVIATION
 
 
(06Z TAFS)  
ISSUED AT 153 AM EDT SAT APR 11 2026  
 
VFR CONDITIONS WITH LIGHT WINDS CONTINUE THROUGH TAF CYCLE ONCE  
AGAIN. A VERY LOW CHANCE AN ISOLATED LIGHT SHOWER DEVELOPS IN THE  
TYS VICINITY THIS AFTERNOON, BUT WITH THE DRY AIR IN PLACE  
PROBABILITIES ARE TOO LOW TO INCLUDE ANY MENTION AT THIS TIME.  
 

 
   
PRELIMINARY POINT TEMPS/POPS
 
 
CHATTANOOGA AIRPORT, TN 85 56 86 61 / 10 0 0 0  
KNOXVILLE MCGHEE TYSON AIRPORT, TN 81 54 85 62 / 10 0 0 0  
OAK RIDGE, TN 82 54 84 60 / 10 0 0 0  
TRI CITIES AIRPORT, TN 77 51 82 57 / 10 0 0 0  
 

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

 
 

 
 
DISCUSSION...KS  
AVIATION...KRS  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab TN Page
The Nexlab VA Page
The Nexlab NC Page Main Text Page