549  
FOUS54 KMRX 251047  
PFMMRX  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE MORRISTOWN TN  
646 AM EDT SAT OCT 25 2025  
 
TNZ017-252000-  
TRI CITIES AIRPORT-SULLIVAN TN  
36.50N 82.41W ELEV. 1536 FT  
646 AM EDT SAT OCT 25 2025  
 
DATE SAT 10/25/25 SUN 10/26/25 MON 10/27/25  
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 65 42 66 46 57  
TEMP 32 51 63 64 55 48 45 44 43 54 63 65 58 52 50 48 46 52 55 55 51  
DEWPT 30 32 31 31 32 36 38 37 37 40 38 40 42 42 43 43 42 46 46 46 46  
RH 92 48 30 29 41 63 76 76 79 59 39 40 55 69 77 83 86 80 72 72 83  
WIND DIR E E W NW NE E E NE E E E E E E E E E E E E E  
WIND SPD 2 2 2 2 1 2 2 2 2 3 3 5 5 5 5 5 5 8 6 8 6  
WIND GUST 16  
CLOUDS SC B1 B1 B2 B2 B1 B1 B2 B2 B2 B2 B2 OV OV OV OV OV B2 OV B2 B2  
POP 12HR 0 5 10 50 50  
QPF 12HR 0 0 0 0.07 0.10  
RAIN SHWRS C C C C C C C C C  
 
DATE TUE 10/28/25 WED 10/29/25 THU 10/30/25 FRI 10/31/25  
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 44 58 43 56 41 55 39 54  
TEMP 47 44 55 52 46 43 54 50 44 41 52 49 43 39 51 48  
DEWPT 44 41 44 44 41 40 46 46 43 40 43 43 40 38 42 41  
PWIND DIR E E E E E N W W  
WIND CHAR LT LT LT GN LT GN LT GN  
AVG CLOUDS B2 B2 B1 B1 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC  
POP 12HR 50 30 50 60 60 30 30 20  
RAIN SHWRS C C C C C C C L L L C C C C S S  
 

 
 
TNZ071-252000-  
KNOXVILLE MCGHEE TYSON AIRPORT-BLOUNT TN  
35.80N 83.98W ELEV. 979 FT  
646 AM EDT SAT OCT 25 2025  
 
DATE SAT 10/25/25 SUN 10/26/25 MON 10/27/25  
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 68 46 68 51 59  
TEMP 42 53 65 68 59 52 49 47 46 56 66 68 62 56 53 53 51 54 57 59 55  
DEWPT 37 35 34 34 35 38 41 40 39 42 41 43 45 47 47 47 48 51 53 52 52  
RH 82 50 31 28 40 59 74 76 76 59 40 40 54 72 80 80 89 90 86 78 90  
WIND DIR NE NE N NE NE E N NE NE NE NE NE NE E E NE NE NE NE NE NE  
WIND SPD 3 2 2 2 3 2 2 2 2 3 3 5 5 5 5 5 5 5 5 5 4  
CLOUDS B1 B1 B2 B1 B1 B1 B2 B2 B1 B1 B2 OV OV OV OV OV OV OV OV B2 B2  
POP 12HR 0 5 30 70 60  
QPF 12HR 0 0 0 0.27 0.25  
RAIN SHWRS S S C C L L L L C C C  
 
DATE TUE 10/28/25 WED 10/29/25 THU 10/30/25 FRI 10/31/25  
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 49 62 48 58 45 59 42 58  
TEMP 52 49 60 57 52 48 57 52 49 45 56 53 46 42 55 52  
DEWPT 50 49 53 51 49 47 50 49 47 45 48 46 43 41 44 43  
PWIND DIR NE NE E NE NE N NW W  
WIND CHAR LT LT LT GN LT GN LT GN  
AVG CLOUDS B2 OV B2 B1 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC SC  
POP 12HR 50 30 60 60 60 30 30 20  
RAIN SHWRS C C C C C L L L L C C C C C S S  
 

 
 
TNZ036-252000-  
OAK RIDGE-ANDERSON TN  
36.00N 84.24W ELEV. 913 FT  
646 AM EDT SAT OCT 25 2025  
 
DATE SAT 10/25/25 SUN 10/26/25 MON 10/27/25  
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 67 45 66 49 58  
TEMP 42 54 64 67 57 50 48 47 45 56 64 66 59 54 52 51 49 53 56 58 53  
DEWPT 38 36 35 35 37 39 40 40 39 43 42 44 45 46 46 46 47 51 53 53 52  
RH 86 50 34 30 47 66 74 76 79 62 45 45 60 74 80 83 93 93 90 83 96  
WIND DIR NE NE S E NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE  
WIND SPD 2 2 1 1 2 1 1 1 2 3 3 3 3 3 3 4 4 4 3 3 3  
WIND GUST 13 13 14  
CLOUDS B1 B1 B2 B1 B2 B1 B1 B2 OV B2 B2 OV OV OV OV OV OV OV B2 B2 B2  
POP 12HR 0 5 30 70 60  
QPF 12HR 0 0 0 0.26 0.28  
RAIN SHWRS S S C C L L L L C C C  
 
DATE TUE 10/28/25 WED 10/29/25 THU 10/30/25 FRI 10/31/25  
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 48 60 46 57 44 58 40 58  
TEMP 50 48 58 55 50 46 54 51 47 44 55 51 45 40 55 50  
DEWPT 50 48 53 52 48 46 51 49 46 44 48 46 42 40 44 43  
PWIND DIR NE E E NE N N NW W  
WIND CHAR LT LT LT LT LT GN LT LT  
AVG CLOUDS B2 OV B2 B2 B2 OV B2 B2 B2 B2 B2 B1 B1 SC SC SC  
POP 12HR 50 30 60 60 60 30 30 20  
RAIN SHWRS C C C C C L L L L C C C C C S S  
 

 
 
TNZ099-252000-  
CHATTANOOGA AIRPORT-HAMILTON TN  
35.03N 85.22W ELEV. 688 FT  
646 AM EDT SAT OCT 25 2025  
 
DATE SAT 10/25/25 SUN 10/26/25 MON 10/27/25  
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 71 49 65 51 59  
TEMP 46 57 68 71 62 54 52 50 49 58 64 65 59 54 53 53 51 54 57 59 55  
DEWPT 41 38 36 36 39 42 42 42 42 42 42 44 48 50 51 51 51 53 54 54 54  
RH 83 49 31 28 43 64 69 74 77 55 45 46 67 86 93 93100 96 90 83 96  
WIND DIR NE SE S SE E SE E E NE E E E E E E E E E E E E  
WIND SPD 2 2 5 5 4 2 2 2 2 3 5 6 5 5 4 4 4 5 6 6 4  
WIND GUST 16 14 16 14  
CLOUDS SC SC SC SC B1 B2 B2 B2 B2 B2 OV OV OV OV OV OV OV OV OV B2 OV  
POP 12HR 0 5 50 80 60  
QPF 12HR 0 0 0.04 0.53 0.40  
RAIN SHWRS C C L L D D L L C C C  
 
DATE TUE 10/28/25 WED 10/29/25 THU 10/30/25 FRI 10/31/25  
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 51 62 49 57 46 59 43 62  
TEMP 52 51 60 56 50 49 55 53 49 46 56 53 46 43 59 54  
DEWPT 52 51 53 51 49 48 51 50 49 46 49 47 45 42 45 44  
PWIND DIR E SE S NW N NW NW NW  
WIND CHAR LT LT LT GN LT GN LT GN  
AVG CLOUDS OV OV B2 B2 B2 B2 B2 B2 B1 B2 B1 B1 SC SC SC SC  
POP 12HR 50 30 60 60 50 20 20 20  
RAIN SHWRS C C C C C L L C C C S S S S S  
 

 
 
NCZ060-252000-  
TUSQUITEE RAWS-FORESTRY-CHEROKEE NC  
35.07N 84.12W ELEV. 1600 FT  
646 AM EDT SAT OCT 25 2025  
 
DATE SAT 10/25/25 SUN 10/26/25 MON 10/27/25  
EDT 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 68 42 66 46 58  
TEMP 39 54 66 66 53 47 45 44 42 56 65 63 54 51 50 48 46 52 57 56 51  
DEWPT 34 36 34 34 37 38 38 36 35 40 39 41 43 43 44 44 46 50 51 51 50  
RH 82 50 30 30 54 71 76 73 76 55 38 44 66 74 80 86100 93 80 83 96  
MIN/MAX RH 29 76 37 100 80  
WIND DIR E SE SE SE SE SE E SE E E SE SE SE E E E E SE E E E  
WIND DIR DEG 11 12 15 15 13 12 11 12 11 11 12 12 12 11 11 11 11 12 11 11 10  
WIND SPD 2 3 4 4 2 2 2 2 3 4 5 5 5 6 5 5 4 5 6 6 3  
WIND GUST 23 21 20 19 16  
CLOUDS B1 B1 B1 SC SC B1 B2 B2 B2 B2 OV OV OV OV OV OV OV OV OV OV B2  
CLOUDS (%) 60 54 51 42 48 61 82 74 81 77 91 93 95 99 99 99 99 94 92 88 87  
VSBY 10 10 10 10 10 10 10 10 10 10 10  
POP 12HR 0 5 40 80 70  
QPF 12HR 0 0 0 0.43 0.34  
RAIN SHWRS S S L L D D L L C C C  
CHANCETHUNDER 0 0 0 5 5  
MAX MIX HGT  
AGL MIX HGT 3500 3200 1900  
MAX VENT RT 26800 27900 14700  
T WIND DIR SE E E  
T WIND SPD 6 9 9  
ADI 23 28 14  
MAX LVORI 5 4 7  
STABILITY F B B D D C D D D C B  
CEILING NONE 23500 23500 NONE NONE NONE NONE NONE NONE NONE NONE  
STA PRES 28.14 28.12 28.12 28.10 28.10 28.05 28.01 27.97 27.96 27.94 27.93  
 
DATE TUE 10/28/25 WED 10/29/25 THU 10/30/25 FRI 10/31/25  
EDT 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 44 59 43 55 41 56 37 57  
TEMP 48 44 57 53 46 43 52 49 44 41 53 49 41 37 56 47  
DEWPT 48 44 50 48 45 43 49 47 44 41 46 44 41 37 42 42  
PWIND DIR E SE SE SE N NW NW NW  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 SC SC  
POP 12HR 50 30 60 60 60 40 40 20  
RAIN SHWRS C C C C C L L L L C C C C C S  
 
THIS IS AN EXPERIMENTAL PRODUCT FOR PLANNING AND REVIEW PURPOSES ONLY, AND IS  
NOT TO BE SUBSTITUTED FOR AN OFFICIAL FIRE WEATHER SPOT FORECAST  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

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