406
FOUS54 KMRX 161057
PFMMRX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE MORRISTOWN TN
656 AM EDT SUN AUG 16 2026
TNZ017-162000-
TRI CITIES AIRPORT-SULLIVAN TN
36.50N 82.41W ELEV. 1536 FT
656 AM EDT SUN AUG 16 2026
DATE SUN 08/16/26 MON 08/17/26 TUE 08/18/26
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 90 71 89 69 87
TEMP 72 81 88 90 85 76 73 72 72 81 87 84 79 73 71 71 69 77 84 86 81
DEWPT 70 74 74 73 72 70 69 69 69 72 74 74 73 72 70 70 69 71 71 70 69
RH 93 79 63 58 65 82 87 90 90 74 65 72 82 97 97 97100 82 65 59 67
WIND DIR SE W W W SW SW SW SW SW W W W W NW N N N NW W W NW
WIND SPD 1 5 8 9 5 4 2 2 3 6 10 8 3 0 0 0 0 1 4 5 2
CLOUDS SC FW FW FW FW FW SC SC SC B1 SC B1 B2 B1 B1 B1 B1 SC SC FW FW
POP 12HR 5 30 60 40 10
QPF 12HR 0 0 0.12 0.04 0
RAIN SHWRS S S S L C C
TSTMS S S C C S
HEAT INDEX 87 97 99 91 85 95 92 89 91 84
MAX HEAT 99 101 84 98 95 90 93
DATE WED 08/19/26 THU 08/20/26 FRI 08/21/26 SAT 08/22/26
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 65 89 68 86 66 84 65 83
TEMP 67 67 86 82 70 69 83 78 68 66 81 77 67 66 81 76
DEWPT 66 65 68 68 66 67 70 68 66 66 69 68 66 65 68 67
PWIND DIR NE SW S SW E W SE SW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW FW FW FW SC B1 B1 B1 SC B1 B1 B1 B1 B2 SC
POP 12HR 0 5 20 30 40 50 40 40
RAIN SHWRS S S C C C C C C S S C
TSTMS C C C S C S C
TNZ071-162000-
KNOXVILLE MCGHEE TYSON AIRPORT-BLOUNT TN
35.80N 83.98W ELEV. 979 FT
656 AM EDT SUN AUG 16 2026
DATE SUN 08/16/26 MON 08/17/26 TUE 08/18/26
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 96 76 95 73 91
TEMP 77 87 94 95 88 82 79 77 77 87 93 92 84 79 77 75 74 82 89 91 86
DEWPT 72 75 73 72 73 71 70 70 71 73 75 75 75 75 74 73 72 74 73 71 71
RH 85 68 51 48 61 69 74 79 82 63 56 58 74 88 90 94 93 77 59 52 61
WIND DIR S W W W SW SW SW SW SW SW W W NW SW N N N NW NW NW N
WIND SPD 2 4 5 5 4 4 4 4 4 4 6 8 4 2 0 0 0 1 3 4 2
CLOUDS FW FW FW CL FW FW FW FW FW SC FW B1 B2 B1 SC SC B1 FW FW FW SC
POP 12HR 0 5 70 50 5
QPF 12HR 0 0 0.43 0.25 0
RAIN SHWRS C L C C
TSTMS C C C S
HEAT INDEX 96103104 96 86 94105103 92 88 97 98 91
MAX HEAT 103 106 91 105 106 89 97 99
HEAT Y Y Y Y Y Y Y Y Y Y Y Y
DATE WED 08/19/26 THU 08/20/26 FRI 08/21/26 SAT 08/22/26
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 69 93 73 91 70 89 68 88
TEMP 74 70 91 87 76 74 89 84 74 71 86 82 72 69 85 82
DEWPT 70 68 70 70 69 69 72 71 70 69 71 69 68 68 70 68
PWIND DIR NE W S W NE NW SE W
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC FW FW FW SC SC SC B1 SC SC B1 SC B1 B1 B1 SC
POP 12HR 0 5 20 40 40 50 30 40
RAIN SHWRS S C C C C C C C S S C
TSTMS S C S S S C S C
TNZ036-162000-
OAK RIDGE-ANDERSON TN
36.00N 84.24W ELEV. 913 FT
656 AM EDT SUN AUG 16 2026
DATE SUN 08/16/26 MON 08/17/26 TUE 08/18/26
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 95 74 94 72 91
TEMP 76 86 93 94 87 80 77 75 75 86 92 91 84 78 75 73 72 82 88 91 85
DEWPT 73 76 74 73 74 72 71 70 71 75 76 77 75 74 73 72 72 74 73 72 72
RH 90 72 54 51 65 77 82 84 87 70 60 64 74 88 94 97100 77 61 54 65
WIND DIR SW SW SW W SW SW SW SW SW SW W W W NW N N N N NW NW N
WIND SPD 1 2 3 4 2 1 2 2 1 2 4 5 2 1 0 0 0 0 1 2 2
CLOUDS FW FW FW FW FW FW FW FW FW SC FW SC SC SC SC SC SC SC SC FW FW
POP 12HR 0 5 60 30 5
QPF 12HR 0 0 0.17 0.27 0
RAIN SHWRS L C C C
TSTMS C C C S
HEAT INDEX 96103103 95 84 95105105 92 88 96 99 91
MAX HEAT 103 106 90 105 107 87 96 99
HEAT Y Y Y Y Y Y Y Y Y Y Y Y
DATE WED 08/19/26 THU 08/20/26 FRI 08/21/26 SAT 08/22/26
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 68 92 72 90 69 88 67 87
TEMP 72 69 90 86 75 73 88 83 72 70 85 81 70 68 85 80
DEWPT 68 68 72 72 70 70 73 72 69 68 72 70 68 67 71 69
PWIND DIR N SW SW W N NW NW W
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW FW FW SC SC SC B1 SC SC B1 B1 SC B1 B1 SC
POP 12HR 0 5 10 40 30 50 30 30
RAIN SHWRS C C C C C C C S S C
TSTMS C C C S C C C S C
TNZ099-162000-
CHATTANOOGA AIRPORT-HAMILTON TN
35.03N 85.22W ELEV. 688 FT
656 AM EDT SUN AUG 16 2026
DATE SUN 08/16/26 MON 08/17/26 TUE 08/18/26
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 98 77 99 76 95
TEMP 77 90 96 98 92 83 80 78 78 90 97 97 88 82 79 77 76 86 92 95 89
DEWPT 73 74 71 70 73 72 72 71 72 74 74 74 75 75 75 74 74 74 73 71 72
RH 87 60 45 41 54 70 77 79 82 60 48 48 66 79 88 90 94 68 54 46 57
WIND DIR N W W W W SW SW SW SW W W W W NW N NW N N NW NW N
WIND SPD 0 1 4 4 3 2 1 1 1 3 6 8 3 1 0 1 0 2 4 5 4
CLOUDS FW FW CL CL FW FW FW CL FW FW FW B1 SC SC SC FW FW FW FW FW FW
POP 12HR 0 0 40 20 5
QPF 12HR 0 0 0.06 0 0
RAIN SHWRS S C S S
TSTMS S C S
HEAT INDEX 99104105101 88 84 99109109 98 89 94101103 96
MAX HEAT 104 106 94 109 110 94 101 103
HEAT Y Y Y Y Y Y Y Y Y Y Y Y
DATE WED 08/19/26 THU 08/20/26 FRI 08/21/26 SAT 08/22/26
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 72 97 75 95 73 92 70 91
TEMP 77 73 94 91 79 76 93 87 76 74 90 84 74 71 89 84
DEWPT 71 70 70 71 71 71 72 72 72 70 71 70 70 70 70 69
PWIND DIR N NW W NW NW NW W W
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW FW FW FW SC SC SC SC SC SC SC SC B1 SC SC
POP 12HR 0 5 5 30 20 40 20 30
RAIN SHWRS S C S S C S S S C
TSTMS S C S S C S S C
NCZ060-162000-
TUSQUITEE RAWS-FORESTRY-CHEROKEE NC
35.07N 84.12W ELEV. 1600 FT
656 AM EDT SUN AUG 16 2026
DATE SUN 08/16/26 MON 08/17/26 TUE 08/18/26
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 93 70 93 70 90
TEMP 70 84 91 91 83 76 73 72 72 84 91 91 81 75 73 71 70 81 88 90 82
DEWPT 70 75 72 71 73 70 69 68 68 73 73 73 73 73 71 70 70 73 72 71 71
RH 100 74 54 52 72 82 87 87 87 70 56 56 77 94 93 97100 77 59 54 69
MIN/MAX RH 51 93 52 100 54
WIND DIR N NW NW NW N N N N N NW NW NW NW N N N N NW NW NW NW
WIND DIR DEG 0 30 30 29 0 0 0 0 0 29 29 29 32 0 0 0 0 31 31 31 31
WIND SPD 0 1 4 3 0 0 0 0 0 3 5 5 2 0 0 0 0 3 5 5 2
CLOUDS SC FW FW CL CL FW FW FW FW FW FW SC B1 SC SC B1 B1 FW FW FW FW
CLOUDS (%) 34 9 9 2 4 7 18 13 21 25 8 49 52 44 48 51 53 21 7 9 9
VSBY 7 10 10 10 10 10 10 7 7 10
POP 12HR 0 0 40 20 5
QPF 12HR 0 0 0.03 0.01 0
RAIN SHWRS C S S
TSTMS C S S
HEAT INDEX 92 99 98 89 90100100 86 86 95 96 86
MAX HEAT 99 101 100 102 95 97
CHANCETHUNDER 0 0 40 20 5
MAX MIX HGT
AGL MIX HGT 5300 5600 4800
MAX VENT RT 42300 54700 41800
T WIND DIR NW W NW
T WIND SPD 5 8 8
ADI 42 55 43
MAX LVORI 10 7 10
STABILITY G A A G G B B G F B A
CEILING NONE NONE NONE 20800 18200 NONE 14800 NONE NONE 23500 8900
STA PRES 28.04 28.01 27.94 27.95 27.95 27.91 27.89 27.89 27.90 27.88 27.85
DATE WED 08/19/26 THU 08/20/26 FRI 08/21/26 SAT 08/22/26
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 65 92 69 91 67 88 65 86
TEMP 69 66 89 83 72 70 88 81 70 68 86 79 69 66 84 77
DEWPT 68 66 70 70 67 67 71 71 69 67 71 70 68 66 70 68
PWIND DIR NW NW N NW NW NW N W
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC FW FW FW SC SC SC SC SC B1 SC SC B1 B2 SC
POP 12HR 0 5 5 20 20 50 40 40
RAIN SHWRS S S S C C C S C C
TSTMS S S S S C S S C
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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