287
FOUS54 KMRX 171826
PFMMRX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE MORRISTOWN TN
226 PM EDT THU SEP 17 2026
TNZ017-180800-
TRI CITIES AIRPORT-SULLIVAN TN
36.50N 82.41W ELEV. 1536 FT
226 PM EDT THU SEP 17 2026
DATE 09/17/26 FRI 09/18/26 SAT 09/19/26 SUN
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 68 89 67 88 65
TEMP 87 78 72 70 69 69 79 86 85 77 72 70 68 67 78 85 86 79 71 69 67 66
DEWPT 68 69 68 67 66 66 70 71 70 70 70 68 67 67 71 69 69 69 68 67 65 66
RH 53 74 87 90 90 90 74 61 61 79 93 93 97100 79 59 57 72 90 93 93100
WIND DIR NW NE N N N N W NW W N E NE E E S W W E SE SE E SE
WIND SPD 4 1 0 0 0 0 2 4 3 2 0 0 0 1 0 3 3 3 3 2 1 1
CLOUDS FW SC FW FW FW SC SC SC SC B1 B1 SC B1 B1 SC SC FW SC SC SC SC SC
POP 12HR 20 50 20 40 30
QPF 12HR 0 0.14 0.02 0.15 0.04
RAIN SHWRS C S S C C C C C S
TSTMS C S C C C S
OBVIS PF PF PF PF
HEAT INDEX 91 92 90 89 90
MAX HEAT 95 94 94 91 92
DATE 09/20 MON 09/21/26 TUE 09/22/26 WED 09/23/26 THU 09/24/26
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 87 66 87 65 84 62 79 59 77
TEMP 84 78 68 67 85 77 67 66 81 74 65 63 77 72 62 60 74 70
DEWPT 69 70 68 67 70 70 67 66 70 69 65 63 67 66 61 59 64 63
PWIND DIR SW S NW E E E E E NE
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC B1 SC SC SC SC SC B1 B1 B1 SC B1 B1 SC SC B1 SC
POP 12HR 40 30 50 30 70 50 50 20 20
RAIN SHWRS S C C S C C S C L C C C S S
TSTMS C S S C S C S S
TNZ071-180800-
KNOXVILLE MCGHEE TYSON AIRPORT-BLOUNT TN
35.80N 83.98W ELEV. 979 FT
226 PM EDT THU SEP 17 2026
DATE 09/17/26 FRI 09/18/26 SAT 09/19/26 SUN
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 95 71 94 70
TEMP 94 86 78 75 73 72 85 92 93 84 78 75 73 71 83 91 93 85 77 74 72 71
DEWPT 68 68 69 69 67 68 70 71 70 70 70 70 69 69 72 70 69 70 70 69 68 68
RH 43 55 74 82 81 87 61 51 47 63 76 84 87 93 70 50 46 61 79 84 87 90
WIND DIR NE NE SE N N N N N N NE E NE E E N NW N E SE S SW S
WIND SPD 3 2 1 0 0 0 0 3 4 3 2 1 1 1 0 2 2 3 3 2 2 1
CLOUDS SC SC FW FW FW FW FW SC SC SC B2 B2 SC SC FW FW SC B1 SC SC SC SC
POP 12HR 5 20 20 30 30
QPF 12HR 0 0 0 0.03 0.07
RAIN SHWRS S C C C C
TSTMS S S C S
OBVIS PF
HEAT INDEX 99 89 90 99 99 88 88 97 98 90
MAX HEAT 99 85 99 102 85 97 99 86
DATE 09/20 MON 09/21/26 TUE 09/22/26 WED 09/23/26 THU 09/24/26
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 92 69 92 68 89 66 85 64 83
TEMP 89 84 73 70 90 82 72 69 87 79 70 67 83 77 68 65 80 75
DEWPT 70 70 70 69 71 70 70 68 72 71 69 67 71 69 67 64 67 65
PWIND DIR SW S W NE NW E N NE N
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC SC SC SC B1 B1 SC SC SC SC B1 SC SC SC SC SC
POP 12HR 20 20 30 20 70 50 60 30 30
RAIN SHWRS S S S C S S L C S C L C S C
TSTMS S S C S C S S
TNZ036-180800-
OAK RIDGE-ANDERSON TN
36.00N 84.24W ELEV. 913 FT
226 PM EDT THU SEP 17 2026
DATE 09/17/26 FRI 09/18/26 SAT 09/19/26 SUN
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 71 95 71 93 69
TEMP 92 82 76 74 72 72 85 93 92 81 76 73 72 71 83 91 92 83 75 73 71 70
DEWPT 70 70 69 69 69 69 72 72 72 71 71 70 69 69 73 71 71 71 70 69 68 68
RH 49 67 79 84 90 90 65 51 52 72 85 90 90 93 72 52 51 67 84 87 90 93
WIND DIR N N N N N N N N N NE NE NE NE N N SW N NE W SW SW SW
WIND SPD 2 1 0 0 0 0 0 1 2 2 2 1 1 0 0 1 1 1 1 1 2 2
CLOUDS FW SC FW SC FW SC FW B1 SC B1 B2 SC SC SC FW SC SC SC SC SC SC SC
POP 12HR 5 20 10 30 30
QPF 12HR 0 0.08 0 0.13 0.06
RAIN SHWRS C C C C
TSTMS C C S
OBVIS PF
HEAT INDEX 98 86 91101100 85 89 98 99 88
MAX HEAT 99 101 102 98 100 83
DATE 09/20 MON 09/21/26 TUE 09/22/26 WED 09/23/26 THU 09/24/26
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 92 69 92 68 88 65 84 63 82
TEMP 89 83 72 70 89 81 71 69 86 78 69 66 81 75 67 64 79 74
DEWPT 70 72 70 69 72 71 70 69 73 72 69 66 71 70 66 63 67 66
PWIND DIR SW W W NE W N W N N
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC SC SC SC SC B1 B1 SC SC SC B1 B1 SC SC SC SC
POP 12HR 10 20 30 20 70 40 50 20 30
RAIN SHWRS S S C S S L C C C S C C
TSTMS S C S C S S
TNZ099-180800-
CHATTANOOGA AIRPORT-HAMILTON TN
35.03N 85.22W ELEV. 688 FT
226 PM EDT THU SEP 17 2026
DATE 09/17/26 FRI 09/18/26 SAT 09/19/26 SUN
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 74 98 74 98 71
TEMP 97 89 80 77 75 74 88 95 97 89 81 77 75 74 87 95 97 88 79 75 73 72
DEWPT 67 67 69 69 68 69 70 69 68 69 71 71 70 70 71 69 68 70 70 69 69 69
RH 38 48 69 76 79 84 55 43 39 52 72 82 84 87 59 43 39 55 74 82 87 90
WIND DIR NE NE N N N N N NE N NE N NE N N SE N SW NE S SE S S
WIND SPD 3 2 0 0 0 0 1 4 5 3 2 1 1 0 1 2 3 3 3 3 3 3
CLOUDS SC SC CL CL FW CL CL SC SC FW FW FW FW FW CL FW SC SC SC SC SC SC
POP 12HR 5 10 0 40 20
QPF 12HR 0 0 0 0.08 0.01
RAIN SHWRS C C S S
TSTMS S C S
HEAT INDEX 101 92 83 93101102 94 85 93101102 93
MAX HEAT 101 87 101 102 88 101 104 90
DATE 09/20 MON 09/21/26 TUE 09/22/26 WED 09/23/26 THU 09/24/26
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 95 71 95 70 93 68 89 65 87
TEMP 92 86 74 72 93 85 73 71 90 83 72 69 86 80 69 66 84 79
DEWPT 69 71 71 70 70 70 70 70 71 71 70 68 70 69 66 64 67 66
PWIND DIR SW S W E S SE SE S E
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC SC FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC
POP 12HR 20 20 40 20 60 30 40 10 10
RAIN SHWRS S S S C S L C C
TSTMS S S C S C S S
NCZ060-180800-
TUSQUITEE RAWS-FORESTRY-CHEROKEE NC
35.07N 84.12W ELEV. 1600 FT
226 PM EDT THU SEP 17 2026
DATE 09/17/26 FRI 09/18/26 SAT 09/19/26 SUN
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 93 66 91 64
TEMP 89 78 72 69 67 66 81 91 89 78 72 69 67 66 82 90 86 75 70 68 67 65
DEWPT 67 67 67 65 64 64 70 69 68 69 69 67 66 66 71 70 69 70 69 67 65 65
RH 48 69 84 87 90 93 69 49 50 74 90 93 97100 69 52 57 84 97 97 93100
MAX/MIN RH 93 46 100 50 100
WIND DIR NW N N N N N NW N N NE N N N N N NW NW SE SE E SE E
WIND DIR DEG 32 0 0 0 0 0 32 34 34 4 0 0 0 0 0 30 32 14 12 11 12 11
WIND SPD 2 0 0 0 0 0 1 3 4 1 0 0 0 0 0 2 2 1 2 1 1 1
CLOUDS FW FW FW FW FW SC FW SC FW FW SC SC SC SC FW SC SC SC SC SC SC B1
CLOUDS (%) 25 18 17 8 25 47 7 34 13 8 50 31 33 41 16 37 30 37 44 44 47 59
VSBY 10 10 10 7 7 7 10 10 10 10 10
POP 12HR 5 10 5 50 30
QPF 12HR 0 0 0 0.07 0.05
RAIN SHWRS C C C C S
TSTMS C C C
OBVIS PF PF PF
HEAT INDEX 92 85 96 93 86 96 90
MAX HEAT 93 96 96 96 95
CHANCETHUNDER 5 10 5 40 30
MAX MIX HGT
AGL MIX HGT 5100 5600
MAX VENT RT 27000 28000
T WIND DIR N NE
T WIND SPD 4 4
ADI 27 28
MAX LVORI 10 10
STABILITY B G G B B G G B B G F
CEILING NONE NONE NONE NONE 20800 NONE NONE NONE NONE NONE NONE
STA PRES 28.10 28.09 28.07 28.02 27.97 27.97 27.94 27.93 27.91 27.91 27.93
DATE 09/20 MON 09/21/26 TUE 09/22/26 WED 09/23/26 THU 09/24/26
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 89 64 90 63 86 61 83 58 80
TEMP 88 77 67 65 87 76 66 64 84 75 65 61 80 73 62 59 78 71
DEWPT 69 70 67 65 70 70 66 64 71 70 65 61 69 67 62 59 67 65
PWIND DIR S N N N N E SE SE N
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC SC B1 SC SC B1 B1 SC SC B1 B1 SC SC SC B1 SC
POP 12HR 50 20 70 20 80 40 60 20 30
RAIN SHWRS S C S S L S C D C S L S C
TSTMS C S C S C S 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
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