146
FOUS54 KMRX 180627
PFMMRX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE MORRISTOWN TN
226 AM EDT TUE AUG 18 2026
TNZ017-182000-
TRI CITIES AIRPORT-SULLIVAN TN
36.50N 82.41W ELEV. 1536 FT
226 AM EDT TUE AUG 18 2026
DATE TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 86 64 88 66 88
TEMP 70 70 77 83 85 79 70 67 65 66 76 85 87 81 72 68 66 68 80 86 85 79
DEWPT 70 69 71 69 67 67 66 65 63 64 66 65 64 66 66 65 64 65 68 68 69 69
RH 100 97 82 63 55 67 87 93 93 93 71 51 46 60 81 90 93 90 67 55 59 72
WIND DIR W W W NW NW N NE NE E E N W W S SE N E E SW W W W
WIND SPD 3 2 4 6 6 3 0 0 0 0 0 2 3 1 0 0 0 1 2 6 6 2
CLOUDS B1 B1 SC SC SC FW FW FW SC B1 FW CL FW FW FW FW SC SC SC SC B1 B1
POP 12HR 20 0 0 10 40
QPF 12HR 0.02 0 0 0 0
RAIN SHWRS S C C C
TSTMS S C C C
OBVIS PF
HEAT INDEX 87 88 89 89
MAX HEAT 88 88 87 89 91 92
DATE FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 67 87 65 85 63 84 60 85
TEMP 69 67 85 77 68 66 82 77 66 65 82 76 63 62 82 77
DEWPT 68 67 69 69 67 66 68 65 64 64 64 62 61 61 61 61
PWIND DIR W W N W NW W NW W
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC B1 B1 SC B1 B1 B2 SC SC FW SC SC SC FW SC SC
POP 12HR 30 50 30 30 10 20 10 5
RAIN SHWRS C S C C S S C S
TSTMS C C S C S
TNZ071-182000-
KNOXVILLE MCGHEE TYSON AIRPORT-BLOUNT TN
35.80N 83.98W ELEV. 979 FT
226 AM EDT TUE AUG 18 2026
DATE TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 89 68 91 69 92
TEMP 75 74 81 87 88 83 75 72 69 69 81 88 90 85 77 73 71 70 82 89 91 85
DEWPT 73 72 72 69 67 68 68 67 66 66 68 65 64 66 67 66 66 67 70 70 71 71
RH 94 93 74 55 50 61 79 84 90 90 65 47 42 53 71 79 84 90 67 54 52 63
WIND DIR SW SW N NW NW N NE E N NE NE N NE E SE N N SW SW W W W
WIND SPD 1 1 3 4 5 4 1 1 0 1 1 2 3 2 1 0 0 2 2 4 5 3
CLOUDS B2 B1 SC SC FW SC SC SC SC SC FW FW FW FW FW FW SC SC SC B1 SC B1
POP 12HR 5 0 0 20 30
QPF 12HR 0 0 0 0.03 0.01
RAIN SHWRS S S S S C C S
TSTMS C C S
HEAT INDEX 85 91 91 86 84 86 94 98 90
MAX HEAT 91 91 90 93 83 94 98
DATE FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 71 91 69 89 68 89 66 89
TEMP 75 71 88 83 73 70 87 83 71 69 87 83 70 67 87 83
DEWPT 70 70 71 70 70 69 68 66 66 66 65 63 63 63 63 62
PWIND DIR E NW N N NE NW NE N
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC B1 SC SC SC SC B1 SC FW FW SC FW FW FW FW SC
POP 12HR 20 50 30 20 5 10 10 5
RAIN SHWRS S C C S S
TSTMS S C S S
TNZ036-182000-
OAK RIDGE-ANDERSON TN
36.00N 84.24W ELEV. 913 FT
226 AM EDT TUE AUG 18 2026
DATE TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 89 66 91 70 90
TEMP 73 72 81 85 88 82 73 69 67 68 80 87 90 84 76 73 71 70 80 86 89 83
DEWPT 72 71 72 69 67 69 67 66 64 65 67 67 66 68 69 68 67 68 71 72 72 73
RH 97 97 74 59 50 65 81 90 90 90 65 52 45 59 79 84 87 93 74 63 57 72
WIND DIR W W N NW NW N N NE NE NE N N SE N N N N N SW W SW W
WIND SPD 1 1 2 2 3 2 2 1 1 1 0 0 1 0 0 0 0 0 1 2 2 1
CLOUDS SC B1 SC SC FW FW FW FW FW FW FW FW SC SC FW FW SC B1 B1 B1 B1 SC
POP 12HR 5 0 0 20 50
QPF 12HR 0 0 0 0.08 0.02
RAIN SHWRS S S C C C C S
TSTMS C C S
HEAT INDEX 85 89 91 85 90 93 87 83 92 96 89
MAX HEAT 89 91 90 93 92 96
DATE FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 70 90 67 89 66 89 64 88
TEMP 73 70 86 81 71 68 86 81 69 68 85 80 68 65 84 80
DEWPT 70 70 72 71 69 68 69 67 66 66 67 65 63 62 65 64
PWIND DIR N NW N NW NW NW N NW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC B1 B1 SC SC SC SC SC FW FW FW FW FW FW FW SC
POP 12HR 20 50 20 10 5 10 5 5
RAIN SHWRS S S C S
TSTMS S C
TNZ099-182000-
CHATTANOOGA AIRPORT-HAMILTON TN
35.03N 85.22W ELEV. 688 FT
226 AM EDT TUE AUG 18 2026
DATE TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 69 96 72 96
TEMP 76 74 84 90 92 85 76 72 70 70 83 93 96 90 80 76 74 73 86 93 95 88
DEWPT 75 73 72 68 65 66 67 67 66 66 68 65 63 66 68 68 68 68 71 70 70 71
RH 97 97 67 49 41 53 74 84 87 87 61 40 34 45 67 76 82 84 61 47 45 57
WIND DIR W NW N NW NW N NW N N N N N NE SE N N N N SW W W W
WIND SPD 2 2 4 5 6 5 2 1 0 1 1 3 2 2 0 0 0 0 1 3 4 3
CLOUDS SC SC FW SC FW FW FW SC FW FW FW FW FW FW FW FW SC FW FW SC SC SC
POP 12HR 0 0 0 20 20
QPF 12HR 0 0 0 0.02 0
RAIN SHWRS S S S S S S S
TSTMS S S S S
HEAT INDEX 90 94 86 93 83 91 99102 94
MAX HEAT 94 94 82 95 98 87 99 102
DATE FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 73 94 71 93 70 94 69 93
TEMP 77 74 93 85 75 72 91 86 73 71 91 85 73 70 90 85
DEWPT 72 72 71 71 71 70 67 65 67 67 65 64 64 64 63 63
PWIND DIR NW NW NW N NW NW N N
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC SC SC SC SC FW FW FW FW FW FW FW FW SC
POP 12HR 20 40 20 10 5 5 5 5
RAIN SHWRS S S C S
TSTMS S C S
NCZ060-182000-
TUSQUITEE RAWS-FORESTRY-CHEROKEE NC
35.07N 84.12W ELEV. 1600 FT
226 AM EDT TUE AUG 18 2026
DATE TUE 08/18/26 WED 08/19/26 THU 08/20/26
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 88 63 91 66 92
TEMP 71 69 79 86 86 77 70 66 64 63 80 88 90 81 72 69 68 67 82 89 91 82
DEWPT 71 69 72 68 67 67 66 64 63 62 67 66 65 67 66 64 63 64 69 69 70 71
RH 100100 79 55 53 71 87 93 97 97 65 48 44 63 81 84 84 90 65 52 50 69
MIN/MAX RH 53 97 44 90 49
WIND DIR N NW NW NW NW NW NW N N N N NW NW N N N N N N W NW N
WIND DIR DEG 0 29 31 30 30 31 29 0 0 0 0 30 30 0 0 0 0 0 0 28 29 0
WIND SPD 0 2 5 6 6 3 1 0 0 0 0 2 3 0 0 0 0 0 0 3 3 0
CLOUDS B2 B2 FW FW FW FW FW SC B1 B1 SC CL FW FW FW SC SC SC SC SC SC SC
CLOUDS (%) 79 78 22 18 18 16 14 30 55 65 45 5 19 23 13 26 35 48 31 29 27 35
VSBY 3 7 10 10 10 10 10 10 7 7 10
POP 12HR 0 0 0 0 10
QPF 12HR 0 0 0 0 0
OBVIS PF
HEAT INDEX 89 89 85 94 97 86
MAX HEAT 90 91 90 92 94 97
CHANCETHUNDER 0 0 0 0 10
MAX MIX HGT
AGL MIX HGT 3900 4500 4600
MAX VENT RT 39100 31500 30400
T WIND DIR NW N NW
T WIND SPD 10 4 6
ADI 39 32 32
MAX LVORI 9 10 7
STABILITY F B A G F A A G G A A
CEILING NONE 23500 NONE NONE 23500 NONE 13800 20800 NONE NONE NONE
STA PRES 27.91 27.90 27.88 27.89 27.90 27.90 27.85 27.89 27.90 27.92 27.85
DATE FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 67 90 65 88 63 88 61 88
TEMP 71 68 88 79 69 66 85 78 66 64 86 77 65 62 85 78
DEWPT 69 68 70 70 68 66 68 66 65 63 66 64 62 61 63 63
PWIND DIR N NW NW NW N NW NW NW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC B1 SC SC SC B1 B1 SC FW FW SC FW FW FW SC SC
POP 12HR 10 40 20 20 5 10 5 10
RAIN SHWRS C S 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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