216
FOUS54 KMRX 131827
PFMMRX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE MORRISTOWN TN
227 PM EDT THU AUG 13 2026
TNZ017-140800-
TRI CITIES AIRPORT-SULLIVAN TN
36.50N 82.41W ELEV. 1536 FT
227 PM EDT THU AUG 13 2026
DATE 08/13/26 FRI 08/14/26 SAT 08/15/26 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 70 89 71 90 71
TEMP 83 79 73 72 71 71 80 87 88 83 75 73 72 73 83 89 88 82 75 73 72 73
DEWPT 73 73 71 70 69 70 73 75 74 74 72 71 71 71 74 74 74 74 72 71 71 71
RH 72 82 93 93 93 97 79 68 63 74 90 93 97 93 74 61 63 77 90 93 97 93
WIND DIR SW SW N N N S SW W W W SW N N SW W W SW SE SE N N S
WIND SPD 5 2 0 0 0 1 4 5 5 3 1 0 0 0 3 5 4 2 0 0 0 1
CLOUDS B1 B1 SC SC SC B1 B1 SC SC SC SC SC B1 B1 SC SC B1 SC SC SC SC SC
POP 12HR 10 30 10 60 10
QPF 12HR 0 0 0 0.12 0
RAIN SHWRS L S S L L
TSTMS C S S C C
HEAT INDEX 88 84 95 96 90 90 99 97 89
MAX HEAT 94 96 99 101 102 86
DATE 08/16 MON 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 91 72 90 70 87 68 88 68 89
TEMP 89 85 74 73 88 83 72 70 84 81 71 70 86 82 71 70 86 82
DEWPT 73 72 69 69 71 71 69 69 71 70 68 68 69 69 67 67 69 69
PWIND DIR SW SW W N W N W SW SW
WIND CHAR LT LT GN LT LT LT LT LT LT
AVG CLOUDS SC FW FW FW FW SC SC SC B1 SC SC SC SC FW FW FW SC SC
POP 12HR 10 20 40 30 40 20 10 10 20
RAIN SHWRS S S C C C S S
TSTMS S C C C S S
TNZ071-140800-
KNOXVILLE MCGHEE TYSON AIRPORT-BLOUNT TN
35.80N 83.98W ELEV. 979 FT
227 PM EDT THU AUG 13 2026
DATE 08/13/26 FRI 08/14/26 SAT 08/15/26 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 93 75 94 76
TEMP 91 86 79 77 75 76 86 92 93 87 81 78 76 77 87 93 94 89 81 79 77 77
DEWPT 75 75 74 73 72 72 75 75 75 75 74 73 72 72 75 75 74 75 74 73 72 72
RH 60 70 85 87 90 87 70 58 56 68 79 85 87 85 68 56 53 64 79 82 85 85
WIND DIR W SW SW SW SW SW SW W W S S S S S W W W SW S S S S
WIND SPD 4 2 2 1 1 2 3 4 4 3 2 1 1 1 2 2 3 2 2 1 2 2
CLOUDS B1 B1 SC FW SC SC B1 SC SC B1 B1 SC SC FW FW FW FW SC SC FW SC SC
POP 12HR 5 20 5 20 5
QPF 12HR 0 0.01 0 0 0
RAIN SHWRS C S S
TSTMS C S S
HEAT INDEX 102 95 95103105 96 86 96105105 99 86
MAX HEAT 102 89 103 106 92 105 106 95
DATE 08/16 MON 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 96 76 96 74 92 73 93 73 93
TEMP 94 90 79 78 95 88 78 75 90 86 76 74 91 86 76 74 91 87
DEWPT 73 72 70 69 71 72 72 70 72 71 71 69 71 70 69 68 70 69
PWIND DIR SW SW SW SW W NE W S W
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW FW FW FW FW SC SC SC SC SC SC SC FW SC FW SC SC
POP 12HR 5 5 20 20 30 10 20 10 20
RAIN SHWRS S S S C S S
TSTMS S S S C S S
TNZ036-140800-
OAK RIDGE-ANDERSON TN
36.00N 84.24W ELEV. 913 FT
227 PM EDT THU AUG 13 2026
DATE 08/13/26 FRI 08/14/26 SAT 08/15/26 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 93 75 94 75
TEMP 90 84 78 76 75 75 85 91 93 87 79 77 75 76 86 92 94 87 80 77 76 76
DEWPT 76 75 74 73 72 73 76 77 77 76 74 73 72 73 76 77 76 76 74 73 72 73
RH 64 74 88 90 90 94 75 64 60 70 85 87 90 90 72 62 56 70 82 87 87 90
WIND DIR SW SW SW N SW SW SW SW W W N N N N N W W W N N N SW
WIND SPD 2 1 1 0 1 1 2 3 2 1 0 0 0 0 0 1 2 1 0 0 0 1
CLOUDS B1 B1 B1 SC SC B1 B1 SC SC SC B1 FW SC SC FW FW SC SC FW FW FW SC
POP 12HR 5 20 5 20 5
QPF 12HR 0 0.02 0 0.02 0
RAIN SHWRS C S S S S
TSTMS C S S S S
HEAT INDEX 102 92 94105107 98 96106107 98 85
MAX HEAT 102 85 105 107 89 106 109 92
DATE 08/16 MON 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 75 95 72 91 72 92 72 92
TEMP 93 88 78 76 93 86 76 73 89 84 74 73 89 84 75 73 90 84
DEWPT 75 73 71 70 73 73 71 71 73 72 70 69 72 71 69 69 72 71
PWIND DIR SW SW SW NW NW N W W SW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW FW FW FW FW FW SC SC SC FW SC SC FW FW FW SC SC
POP 12HR 5 5 20 10 30 10 10 10 20
RAIN SHWRS S C S
TSTMS S C S
TNZ099-140800-
CHATTANOOGA AIRPORT-HAMILTON TN
35.03N 85.22W ELEV. 688 FT
227 PM EDT THU AUG 13 2026
DATE 08/13/26 FRI 08/14/26 SAT 08/15/26 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 75 96 77 97 77
TEMP 93 88 81 78 76 77 89 96 94 89 83 80 78 78 89 95 96 91 83 80 78 78
DEWPT 74 76 75 74 73 73 76 75 74 76 75 74 74 74 76 74 73 75 75 74 73 73
RH 54 68 82 88 90 87 66 51 53 66 77 82 88 88 66 51 48 60 77 82 85 85
WIND DIR NW W S N N N W W SW NW N N N N W W W W N N N N
WIND SPD 4 3 1 0 0 0 1 3 4 2 0 0 0 0 1 3 3 2 0 0 0 0
CLOUDS SC SC B1 SC SC SC SC FW SC SC SC B1 SC SC FW FW SC SC SC FW FW FW
POP 12HR 5 20 10 20 0
QPF 12HR 0 0 0 0 0
RAIN SHWRS C S S S S
TSTMS C S S S S
HEAT INDEX 103 99 87 100109105100 90 85 100106106102 90 85
MAX HEAT 105 93 109 106 96 106 107 99
DATE 08/16 MON 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 98 76 99 75 95 74 95 74 96
TEMP 96 92 80 78 97 91 79 76 93 88 78 75 93 89 78 75 93 89
DEWPT 72 73 71 71 71 73 72 72 72 72 72 71 71 71 71 70 70 71
PWIND DIR W SW W W NW NW W NW W
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW FW FW CL FW FW SC FW FW SC FW FW FW FW FW FW SC
POP 12HR 5 0 20 5 20 5 10 5 10
RAIN SHWRS S S
TSTMS S S
NCZ060-140800-
TUSQUITEE RAWS-FORESTRY-CHEROKEE NC
35.07N 84.12W ELEV. 1600 FT
227 PM EDT THU AUG 13 2026
DATE 08/13/26 FRI 08/14/26 SAT 08/15/26 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 70 92 71 92 71
TEMP 90 83 74 72 71 71 84 90 90 82 75 73 72 72 85 90 91 84 76 74 72 72
DEWPT 73 74 72 71 70 70 74 74 73 74 72 71 70 70 75 74 74 74 72 71 70 70
RH 58 74 93 97 97 97 72 60 58 77 90 93 93 93 72 60 58 72 87 90 93 93
MAX/MIN RH 97 56 97 56 97
WIND DIR NW N N N N N N NW NW N N N N N N NW NW N N N N N
WIND DIR DEG 30 0 0 0 0 0 0 30 30 0 0 0 0 0 0 30 31 0 0 0 0 0
WIND SPD 3 0 0 0 0 0 0 3 3 0 0 0 0 0 0 3 2 0 0 0 0 0
CLOUDS B1 B1 SC SC B1 B1 SC SC FW SC SC SC SC SC FW SC SC FW SC SC SC SC
CLOUDS (%) 51 53 42 39 58 59 35 29 21 35 36 41 38 30 18 26 27 25 34 30 48 33
VSBY 10 10 10 10 7 7 10 10 10 10 10
POP 12HR 5 20 5 40 5
QPF 12HR 0 0.01 0 0.03 0
RAIN SHWRS C S C C
TSTMS C S C C
HEAT INDEX 98 90 91 99 98 88 94 99101 91
MAX HEAT 98 99 102 101 102 86
CHANCETHUNDER 5 20 5 40 5
MAX MIX HGT
AGL MIX HGT 5000 4300
MAX VENT RT 35700 28000
T WIND DIR NW NW
T WIND SPD 5 5
ADI 36 28
MAX LVORI 9 8
STABILITY B G F A A G G A A G G
CEILING NONE NONE NONE 23500 NONE 23500 NONE 25000 25000 NONE NONE
STA PRES 27.92 27.96 28.02 28.02 28.01 28.03 28.05 28.07 28.05 28.03 27.99
DATE 08/16 MON 08/17/26 TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 71 94 70 91 69 91 69 91
TEMP 91 85 74 72 92 84 73 71 89 82 72 70 89 82 71 70 89 82
DEWPT 72 72 69 68 71 71 69 68 71 71 69 68 70 70 68 67 70 70
PWIND DIR NW N W NW NW N NW N NW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW FW FW FW FW FW FW SC FW SC SC SC FW FW FW SC SC
POP 12HR 10 10 10 5 30 10 20 5 20
RAIN SHWRS C S S
TSTMS 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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