667
FOUS54 KMRX 161827
PFMMRX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE MORRISTOWN TN
227 PM EDT WED SEP 16 2026
TNZ017-170800-
TRI CITIES AIRPORT-SULLIVAN TN
36.50N 82.41W ELEV. 1536 FT
227 PM EDT WED SEP 16 2026
DATE 09/16/26 THU 09/17/26 FRI 09/18/26 SAT
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 66 90 68 89 66
TEMP 90 82 72 69 67 67 79 87 88 80 72 70 69 68 80 87 85 77 71 69 68 66
DEWPT 68 69 68 66 65 65 68 69 70 70 69 68 68 68 69 70 71 71 69 68 67 66
RH 49 65 87 90 93 93 69 55 55 72 90 93 97100 69 57 63 82 93 97 97100
WIND DIR NE E SE E N SE SW NW NE NE N N N S W NW NW NE NE NE E E
WIND SPD 2 1 1 0 0 0 1 3 3 1 0 0 0 0 1 4 4 2 2 1 1 1
CLOUDS FW FW FW FW FW SC SC SC SC SC FW SC SC SC SC SC B1 B1 SC SC B1 B1
POP 12HR 5 50 20 50 10
QPF 12HR 0 0.02 0 0.07 0
RAIN SHWRS S C S C C
TSTMS S C S C C
OBVIS PF PF PF
HEAT INDEX 93 85 92 93 83 83 93 90
MAX HEAT 94 93 96 94 94
DATE 09/19 SUN 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 88 66 87 66 88 65 85 64 82
TEMP 85 79 69 67 85 79 69 67 85 78 68 66 82 77 67 65 80 75
DEWPT 69 70 67 66 71 70 68 66 70 70 68 66 70 70 67 65 69 67
PWIND DIR S SE SW SE S E SE E E
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC SC SC SC SC SC B1 SC B1 B1 B2 B1 B1 SC B1 SC
POP 12HR 30 20 40 20 50 20 60 20 40
RAIN SHWRS C S S C S C S S L S S C
TSTMS S S C S C S S
TNZ071-170800-
KNOXVILLE MCGHEE TYSON AIRPORT-BLOUNT TN
35.80N 83.98W ELEV. 979 FT
227 PM EDT WED SEP 16 2026
DATE 09/16/26 THU 09/17/26 FRI 09/18/26 SAT
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 70 94 72 94 70
TEMP 92 85 77 74 72 70 83 91 94 86 78 75 73 72 84 91 94 85 77 74 72 71
DEWPT 70 69 70 69 68 68 70 70 69 70 70 70 69 69 70 71 70 71 70 70 69 69
RH 49 59 79 84 87 93 65 50 44 59 76 84 87 90 63 52 46 63 79 87 90 93
WIND DIR E E S SW SW S W NE NE N E N N N N N N E NE E E E
WIND SPD 5 3 1 1 1 1 1 2 4 2 1 0 0 0 0 3 5 4 3 2 1 1
CLOUDS FW FW FW FW FW FW FW FW FW FW SC FW FW FW FW SC SC B1 SC SC SC SC
POP 12HR 0 10 10 20 10
QPF 12HR 0 0 0 0 0
RAIN SHWRS S S
TSTMS S S
OBVIS PF
HEAT INDEX 98 89 87 97 99 91 88 98100 90
MAX HEAT 98 85 97 99 86 98 100 86
DATE 09/19 SUN 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 93 70 93 70 92 69 90 68 87
TEMP 90 85 74 71 90 84 73 71 90 82 73 70 87 80 72 69 85 79
DEWPT 71 70 70 69 71 70 69 69 71 70 70 69 72 71 70 69 71 70
PWIND DIR NW S SW S S E W E NE
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC SC SC SC SC SC B1 SC SC B1 B1 B1 B1 B1 SC B1 SC
POP 12HR 30 10 20 20 40 20 50 30 40
RAIN SHWRS C S S C S S C C S C
TSTMS C S S C C S
TNZ036-170800-
OAK RIDGE-ANDERSON TN
36.00N 84.24W ELEV. 913 FT
227 PM EDT WED SEP 16 2026
DATE 09/16/26 THU 09/17/26 FRI 09/18/26 SAT
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 70 94 71 94 69
TEMP 92 84 75 73 71 70 83 92 92 82 76 74 72 71 86 93 91 81 75 73 71 70
DEWPT 71 71 70 70 69 69 72 72 71 72 71 70 69 69 70 72 71 72 71 71 69 70
RH 51 65 84 90 93 97 70 52 51 72 85 87 90 93 59 51 52 74 87 93 93100
WIND DIR NE E N N SW N N E N N N N N N N NE N NE NE NE NE NE
WIND SPD 2 1 0 0 1 0 0 1 2 1 1 0 0 0 0 2 3 2 2 2 1 1
CLOUDS SC SC FW FW SC SC FW SC SC SC SC SC SC SC FW SC SC B1 SC SC SC SC
POP 12HR 5 20 10 20 5
QPF 12HR 0 0 0 0 0
RAIN SHWRS S S S S
TSTMS S S S
OBVIS PF F
HEAT INDEX 99 89 88100 99 87 91101 98 85
MAX HEAT 99 100 100 101 100
DATE 09/19 SUN 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 93 70 92 69 92 68 89 67 86
TEMP 90 83 73 71 90 82 72 70 89 82 71 69 86 79 70 68 84 77
DEWPT 71 72 70 69 72 71 70 69 72 72 70 69 72 72 70 68 72 70
PWIND DIR N SW SW SW S NW SE N NE
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC SC SC SC SC B1 SC B1 SC B1 B1 SC B1 B1 SC B1 SC
POP 12HR 30 10 20 20 40 20 60 30 40
RAIN SHWRS C S S C S L C S C
TSTMS C S S C C S
TNZ099-170800-
CHATTANOOGA AIRPORT-HAMILTON TN
35.03N 85.22W ELEV. 688 FT
227 PM EDT WED SEP 16 2026
DATE 09/16/26 THU 09/17/26 FRI 09/18/26 SAT
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 72 97 73 98 73
TEMP 95 88 79 75 73 72 86 94 97 89 81 77 75 73 88 96 97 89 81 77 75 73
DEWPT 69 69 70 69 68 68 69 68 67 68 69 69 69 69 69 68 68 70 70 70 70 71
RH 43 54 74 82 84 87 57 43 38 50 67 76 82 87 54 40 39 54 69 79 84 93
WIND DIR NE E S S N N SW NE NE N N N N N N NE N N NE N N N
WIND SPD 4 2 2 1 0 0 1 3 3 2 0 0 0 0 1 5 5 4 2 2 1 0
CLOUDS FW FW CL FW SC FW FW FW FW SC FW CL CL FW CL FW FW SC SC FW FW FW
POP 12HR 5 10 0 5 5
QPF 12HR 0 0 0 0 0
HEAT INDEX 101 92 90 99101 93 84 92101102 94 85
MAX HEAT 101 87 99 101 88 101 104 91
DATE 09/19 SUN 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 97 72 96 71 96 70 93 69 90
TEMP 94 88 76 73 94 87 75 72 94 86 74 71 91 84 73 70 88 82
DEWPT 69 70 71 70 70 69 70 69 70 70 70 70 71 71 70 69 70 70
PWIND DIR SE S S S SE SE SE E NE
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC SC SC SC SC SC SC SC SC SC SC SC SC B1 SC SC SC
POP 12HR 30 10 20 10 30 30 50 30 30
RAIN SHWRS C S C C C C C
TSTMS C S C S C S
NCZ060-170800-
TUSQUITEE RAWS-FORESTRY-CHEROKEE NC
35.07N 84.12W ELEV. 1600 FT
227 PM EDT WED SEP 16 2026
DATE 09/16/26 THU 09/17/26 FRI 09/18/26 SAT
EDT 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 64 91 66 92 65
TEMP 88 77 70 67 65 64 79 89 89 78 71 68 67 66 82 91 89 78 72 69 67 66
DEWPT 68 70 69 66 64 64 69 69 68 69 69 67 66 65 67 69 68 70 69 68 67 66
RH 52 79 97 97 97100 72 52 50 74 93 97 97 97 61 49 50 76 90 97100100
MAX/MIN RH 100 49 97 46 100
WIND DIR N S E N N N NW NW NW N N N N N N N N N N N N N
WIND DIR DEG 0 16 10 0 0 0 29 32 32 1 0 0 0 0 33 34 34 2 0 0 0 0
WIND SPD 1 2 1 0 0 0 1 3 2 1 0 0 0 0 1 3 3 1 0 0 0 0
CLOUDS SC FW FW FW SC SC SC SC SC SC FW SC SC SC FW SC SC SC SC SC SC SC
CLOUDS (%) 27 15 8 19 41 50 26 39 34 26 22 32 43 50 6 30 29 37 32 30 33 44
VSBY 10 10 10 10 10 7 10 10 10 10 10
POP 12HR 0 10 0 10 5
QPF 12HR 0 0 0 0 0
RAIN SHWRS S
OBVIS PF F F F
HEAT INDEX 92 94 93 85 96 93
MAX HEAT 94 94 94 96 96
CHANCETHUNDER 0 10 0 10 5
MAX MIX HGT
AGL MIX HGT 5200 6000
MAX VENT RT 29800 35800
T WIND DIR N N
T WIND SPD 4 5
ADI 30 36
MAX LVORI 10 9
STABILITY B G G B B G G B B G G
CEILING NONE NONE NONE NONE NONE NONE NONE 23500 NONE NONE NONE
STA PRES 28.17 28.19 28.20 28.15 28.10 28.09 28.08 28.04 27.98 27.98 27.97
DATE 09/19 SUN 09/20/26 MON 09/21/26 TUE 09/22/26 WED 09/23/26
EDT 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 90 64 89 64 90 63 86 62 84
TEMP 89 78 68 65 87 78 67 65 87 77 67 64 84 75 66 63 82 74
DEWPT 69 71 68 65 71 70 67 64 70 70 67 64 71 70 66 63 70 69
PWIND DIR S SE SE N W N S E NE
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC SC B1 SC SC SC B1 B1 B1 B1 B2 B1 B1 SC B1 SC
POP 12HR 50 20 50 20 70 20 70 20 50
RAIN SHWRS S C S C C S S L S C L S S C
TSTMS C S C S C S 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.
Main Text Page