981
FOUS54 KMRX 161827
PFMMRX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE MORRISTOWN TN
227 PM EDT SUN AUG 16 2026
TNZ017-170800-
TRI CITIES AIRPORT-SULLIVAN TN
36.50N 82.41W ELEV. 1536 FT
227 PM EDT SUN AUG 16 2026
DATE 08/16/26 MON 08/17/26 TUE 08/18/26 WED
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 89 69 86 65
TEMP 92 84 77 73 72 72 80 87 87 79 73 71 70 69 77 84 86 80 72 67 65 67
DEWPT 72 72 70 69 68 69 72 72 72 72 71 70 70 69 70 69 67 67 67 66 65 65
RH 52 67 79 87 87 90 77 61 61 79 93 97100100 79 61 53 65 84 97100 93
WIND DIR W SW SW SW SW SW W W W W SW SW SW SW NW W W NW N NE NE E
WIND SPD 9 5 4 3 2 3 6 9 9 4 0 0 0 0 2 4 5 3 0 0 0 0
CLOUDS FW FW FW FW FW SC SC SC SC OV B2 B2 B2 B1 B1 SC FW SC SC FW FW SC
POP 12HR 20 80 50 10 0
QPF 12HR 0 0.26 0.09 0 0
RAIN SHWRS S S C C S
TSTMS S S C C
HEAT INDEX 100 90 84 93 93 87 89 83
MAX HEAT 102 86 94 97 88 91
DATE 08/19 THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26
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 67 87 66 84 65 83 63 84
TEMP 86 83 70 69 85 79 69 67 81 76 67 65 81 76 66 65 82 76
DEWPT 65 67 65 66 69 69 67 67 69 67 65 65 68 66 64 64 65 63
PWIND DIR W S W NE W SE W NE W
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW SC FW B1 B1 B1 B1 B2 B1 B1 B1 B2 SC SC SC B1 SC
POP 12HR 0 20 50 40 60 50 30 20 20
RAIN SHWRS S S C C S C L C S S C S S S S
TSTMS C C S S C S C S
TNZ071-170800-
KNOXVILLE MCGHEE TYSON AIRPORT-BLOUNT TN
35.80N 83.98W ELEV. 979 FT
227 PM EDT SUN AUG 16 2026
DATE 08/16/26 MON 08/17/26 TUE 08/18/26 WED
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 95 73 91 69
TEMP 96 89 81 79 76 77 87 93 92 85 79 77 75 75 83 89 90 85 78 74 72 70
DEWPT 69 71 70 70 70 70 72 72 72 73 74 73 72 72 73 71 70 69 70 69 68 68
RH 42 56 69 74 82 79 61 51 52 67 85 87 90 90 72 56 52 59 76 84 87 93
WIND DIR W SW S SW SW SW SW W SW W SW SW N SW NW NW NW N NE NE N N
WIND SPD 5 4 4 4 4 4 4 6 8 4 2 1 0 1 1 3 4 3 2 1 0 0
CLOUDS FW FW FW FW FW FW FW FW SC OV B1 B2 B2 B1 SC SC SC SC SC FW FW FW
POP 12HR 5 60 50 10 0
QPF 12HR 0 0.09 0.06 0 0
RAIN SHWRS S C C C S
TSTMS S C C
HEAT INDEX 102 95 85 94101100 92 89 95 96 89
MAX HEAT 102 91 101 102 89 95 96 87
HEAT Y Y Y Y Y Y Y Y Y
DATE 08/19 THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26
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 94 72 92 70 88 68 88 67 88
TEMP 91 87 77 74 90 84 74 71 86 81 72 69 85 82 71 67 86 82
DEWPT 67 68 68 67 71 71 70 69 72 69 68 67 69 67 66 65 67 65
PWIND DIR NW S W NE NW S NW NE NW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC
POP 12HR 5 20 50 30 50 40 30 20 20
RAIN SHWRS S S C C S S C C S C S S S S S
TSTMS S C C S S C S S S S S
TNZ036-170800-
OAK RIDGE-ANDERSON TN
36.00N 84.24W ELEV. 913 FT
227 PM EDT SUN AUG 16 2026
DATE 08/16/26 MON 08/17/26 TUE 08/18/26 WED
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 94 72 91 68
TEMP 94 88 80 77 75 75 86 92 91 84 78 75 73 73 83 88 90 84 75 71 69 70
DEWPT 68 70 71 70 70 71 74 74 73 74 73 72 71 72 73 72 70 70 69 68 66 67
RH 43 55 74 79 84 87 68 56 56 72 85 90 93 97 72 59 52 63 82 90 90 90
WIND DIR W W SW SW SW SW SW SW SW NW NW N N N N NW NW N N N N N
WIND SPD 3 2 1 2 2 1 2 4 4 3 1 0 0 0 0 1 2 2 2 1 1 0
CLOUDS FW FW CL FW FW FW FW SC B1 B2 SC B1 SC B1 SC SC SC SC FW FW FW FW
POP 12HR 5 50 30 10 0
QPF 12HR 0 0.06 0.06 0 0
RAIN SHWRS C C S S
TSTMS C C S S
HEAT INDEX 99 93 83 94102100 91 89 95 96 88
MAX HEAT 100 90 102 103 87 95 96 85
HEAT Y Y Y Y Y Y Y Y Y
DATE 08/19 THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26
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 71 90 69 87 67 88 66 88
TEMP 90 86 75 73 86 83 73 70 83 80 70 68 83 81 68 68 84 80
DEWPT 70 72 69 69 73 72 70 69 72 70 67 67 70 68 66 65 68 66
PWIND DIR SW W W N W W W N NW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW SC SC B1 B1 B1 B1 B1 B2 B1 B1 B1 SC SC SC SC SC
POP 12HR 5 20 60 30 50 30 30 20 20
RAIN SHWRS S C L C S C C C S C S S S S S
TSTMS S C C S C C S S S S S
TNZ099-170800-
CHATTANOOGA AIRPORT-HAMILTON TN
35.03N 85.22W ELEV. 688 FT
227 PM EDT SUN AUG 16 2026
DATE 08/16/26 MON 08/17/26 TUE 08/18/26 WED
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 76 99 75 95 73
TEMP 98 91 83 79 77 76 90 97 97 88 82 79 77 75 86 92 94 89 80 76 75 73
DEWPT 67 70 72 71 70 71 73 71 71 73 75 74 74 74 73 72 69 69 71 70 70 70
RH 37 50 70 77 79 85 58 43 43 61 79 85 90 97 65 52 44 52 74 82 84 90
WIND DIR W W SW SW SW SW W W W NW NW NW NW NW NW NW NW N N N N N
WIND SPD 4 3 1 1 1 2 3 5 8 4 1 1 1 1 2 4 5 4 2 1 0 0
CLOUDS FW FW FW FW FW CL FW FW SC B1 B1 SC SC FW FW FW FW FW SC FW FW CL
POP 12HR 0 40 30 10 0
QPF 12HR 0 0.02 0.02 0 0
RAIN SHWRS S C S S C
TSTMS S C S
HEAT INDEX 103 97 88 98105105 96 89 93100 99 94 83
MAX HEAT 103 94 106 108 93 100 102 91
HEAT Y Y Y Y Y Y Y Y Y
DATE 08/19 THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26
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 75 95 73 92 70 92 69 92
TEMP 94 91 79 76 93 88 77 73 89 84 74 71 89 84 73 70 89 84
DEWPT 68 70 70 70 72 72 72 71 72 71 70 69 69 68 68 67 68 66
PWIND DIR N SW W NW NW NW NW NW NW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS CL FW FW SC SC B1 SC SC B1 B1 B1 B1 SC SC SC SC SC SC
POP 12HR 0 5 40 20 50 30 20 10 10
RAIN SHWRS S C S S C C C C S S
TSTMS C S S C C S S S
NCZ060-170800-
TUSQUITEE RAWS-FORESTRY-CHEROKEE NC
35.07N 84.12W ELEV. 1600 FT
227 PM EDT SUN AUG 16 2026
DATE 08/16/26 MON 08/17/26 TUE 08/18/26 WED
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 93 70 90 66
TEMP 91 84 75 72 71 71 85 91 91 82 75 73 71 71 82 88 89 82 72 69 68 67
DEWPT 70 72 70 69 68 68 73 73 73 72 72 71 70 70 73 71 70 69 69 67 66 66
RH 50 67 84 90 90 90 67 56 56 72 90 93 97 97 74 57 54 65 90 93 93 97
MAX/MIN RH 90 52 100 54 100
WIND DIR NW N N N N N NW W NW W N N N N NW NW NW N N N N N
WIND DIR DEG 29 0 0 0 0 0 29 28 29 26 0 0 0 0 31 31 31 33 0 0 0 0
WIND SPD 3 0 0 0 0 0 2 5 5 2 0 0 0 0 3 5 5 2 0 0 0 0
CLOUDS FW CL CL FW FW FW FW FW SC B1 B1 B1 B1 B1 SC FW FW FW FW FW SC SC
CLOUDS (%) 7 1 5 11 17 23 10 10 34 55 61 66 65 68 27 13 14 20 19 18 32 38
VSBY 10 10 10 10 9 10 10 10 10 10 10
POP 12HR 0 40 30 10 0
QPF 12HR 0 0.05 0.01 0 0
RAIN SHWRS C C S
TSTMS C C
HEAT INDEX 97 90 92100100 87 87 94 94 85
MAX HEAT 100 100 102 94 95
CHANCETHUNDER 0 40 30 10 0
MAX MIX HGT
AGL MIX HGT 5500 4800
MAX VENT RT 49800 43100
T WIND DIR W NW
T WIND SPD 8 8
ADI 50 43
MAX LVORI 7 9
STABILITY A G G B B F F B A G G
CEILING NONE 20800 18200 7200 NONE NONE NONE 23500 NONE 10800 23500
STA PRES 27.95 27.96 27.97 27.93 27.88 27.91 27.92 27.89 27.85 27.89 27.88
DATE 08/19 THU 08/20/26 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26
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 91 68 91 67 88 65 86 62 87
TEMP 89 83 72 70 89 81 71 68 85 78 68 66 84 77 67 63 85 77
DEWPT 67 70 66 66 71 71 69 68 72 70 68 66 69 68 65 63 67 66
PWIND DIR NW N NW N W N NW N NW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW FW SC SC SC SC B1 B2 B1 SC B1 B2 SC SC SC B1 SC
POP 12HR 5 5 30 20 60 30 40 10 20
RAIN SHWRS C S S C L C S C C S
TSTMS C S S C S 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
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