172
FOUS54 KMRX 172317
PFMMRX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE MORRISTOWN TN
717 PM EDT MON AUG 17 2026
TNZ017-180800-
TRI CITIES AIRPORT-SULLIVAN TN
36.50N 82.41W ELEV. 1536 FT
717 PM EDT MON AUG 17 2026
DATE 08/17/26 TUE 08/18/26 WED 08/19/26 THU
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 69 85 64 88 67
TEMP 80 73 71 70 69 76 82 84 79 71 68 66 66 77 85 87 81 72 69 67 69
DEWPT 73 71 70 70 69 71 70 67 67 67 66 65 66 66 66 65 66 66 65 64 65
RH 79 93 97100100 85 67 57 67 87 93 97100 69 53 48 60 81 87 90 87
WIND DIR SW SW W SW W NW NW NW N N N NE NE W W W SW N N E SE
WIND SPD 4 2 1 1 1 3 5 5 3 1 0 0 0 1 3 3 0 0 0 0 0
CLOUDS B2 B2 B1 B2 B2 B1 B1 FW SC SC SC SC SC SC FW FW FW FW FW SC SC
POP 12HR 60 10 5 0 5
QPF 12HR 0.04 0 0 0 0
RAIN SHWRS L C S
TSTMS C
HEAT INDEX 83 86 87
MAX HEAT 87 87 88 89 90
SVR TSTORM A
DATE 08/20 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 85 65 84 64 83 60 83
TEMP 85 80 69 67 83 77 67 67 81 77 67 65 80 75 64 61 80 75
DEWPT 67 69 67 67 70 68 67 66 68 66 65 65 65 62 61 61 60 60
PWIND DIR W N W NW W SW W N W
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS B1 B1 B1 B1 B1 B1 B1 SC B1 SC SC SC SC FW FW FW SC SC
POP 12HR 30 40 60 40 40 30 10 5 5
RAIN SHWRS S C C S C L C S C C S
TSTMS S C C S C L S S C S
TNZ071-180800-
KNOXVILLE MCGHEE TYSON AIRPORT-BLOUNT TN
35.80N 83.98W ELEV. 979 FT
717 PM EDT MON AUG 17 2026
DATE 08/17/26 TUE 08/18/26 WED 08/19/26 THU
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 73 89 68 92 71
TEMP 85 78 76 75 74 81 87 89 83 76 72 69 69 82 90 92 86 78 75 73 72
DEWPT 72 73 73 72 72 72 70 67 67 68 68 67 67 68 68 65 66 67 67 66 66
RH 65 85 90 90 93 74 57 48 59 76 87 93 93 63 49 41 51 69 76 79 81
WIND DIR W SW SW N SW N NW NW N N NE NE NE N N NE SE SE SE N SE
WIND SPD 6 2 1 0 1 3 4 4 4 2 1 1 1 0 3 3 2 1 1 0 1
CLOUDS B2 B1 B1 B2 B2 SC SC SC SC SC FW FW SC FW FW FW FW FW FW SC SC
POP 12HR 60 10 0 0 5
QPF 12HR 0.02 0 0 0 0
RAIN SHWRS L S C
TSTMS C
HEAT INDEX 91 85 92 92 86 85 94
MAX HEAT 95 85 92 92 82 94 95 86
SVR TSTORM A
DATE 08/20 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 91 70 89 69 89 68 88 65 88
TEMP 88 86 74 71 87 82 72 69 86 83 72 69 86 82 70 66 85 82
DEWPT 69 70 70 69 72 70 69 68 69 67 66 66 66 63 63 62 62 61
PWIND DIR W NE NW NE NW SW NW NE NW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS B1 B1 B1 B1 B1 SC SC SC B1 SC SC SC FW FW FW FW SC SC
POP 12HR 30 30 60 30 30 20 10 5 10
RAIN SHWRS C C C C S L C S C S S
TSTMS S C C S C S S C
TNZ036-180800-
OAK RIDGE-ANDERSON TN
36.00N 84.24W ELEV. 913 FT
717 PM EDT MON AUG 17 2026
DATE 08/17/26 TUE 08/18/26 WED 08/19/26 THU
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 66 91 71
TEMP 84 77 75 73 73 81 86 89 82 73 70 68 68 81 88 91 84 76 74 72 71
DEWPT 73 73 72 71 71 71 70 69 68 68 67 66 66 69 69 67 69 69 68 67 68
RH 70 87 90 93 93 72 59 52 63 84 90 93 93 67 54 45 61 79 82 84 90
WIND DIR SW SW W W N N NW N N N N N N N NE S SE N N N SE
WIND SPD 4 1 1 1 0 1 2 2 2 2 1 1 1 0 1 1 1 0 0 0 1
CLOUDS B1 SC SC B1 B1 SC SC SC FW FW FW FW FW FW FW FW FW FW FW SC SC
POP 12HR 40 0 0 0 20
QPF 12HR 0.01 0 0 0 0
RAIN SHWRS C S S C
TSTMS C S
HEAT INDEX 90 85 91 94 85 84 92 94 88
MAX HEAT 96 84 91 94 92 95 84
DATE 08/20 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 90 69 88 67 89 66 88 63 87
TEMP 86 84 72 70 84 81 70 68 85 81 70 68 84 80 67 64 83 79
DEWPT 71 72 70 69 73 71 68 68 70 68 66 66 67 64 63 62 64 63
PWIND DIR W N NW N W NW NW N NW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS B1 B1 B1 B1 B1 B1 SC SC SC SC FW SC FW FW FW FW SC SC
POP 12HR 40 40 50 20 20 20 5 5 5
RAIN SHWRS C C C C C C S S S S
TSTMS S C C S S C S S S
TNZ099-180800-
CHATTANOOGA AIRPORT-HAMILTON TN
35.03N 85.22W ELEV. 688 FT
717 PM EDT MON AUG 17 2026
DATE 08/17/26 TUE 08/18/26 WED 08/19/26 THU
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 69 95 74
TEMP 88 81 78 76 75 84 91 92 86 76 72 70 70 84 93 95 90 80 77 75 74
DEWPT 73 75 74 73 73 72 69 66 66 68 68 67 67 68 66 64 66 68 68 68 68
RH 61 82 88 90 94 67 49 43 51 76 87 90 90 59 41 36 45 67 74 79 82
WIND DIR W W W W NW N NW N N N N N N N N N S N N N N
WIND SPD 4 2 2 1 2 4 5 6 5 3 1 1 1 1 3 2 2 0 0 0 0
CLOUDS B1 SC SC B1 SC SC FW FW FW FW FW CL CL FW FW FW FW FW FW SC SC
POP 12HR 30 0 0 0 20
QPF 12HR 0.02 0 0 0 0.01
RAIN SHWRS C S S S
TSTMS C S
HEAT INDEX 96 87 90 96 95 87 96 93 83
MAX HEAT 101 91 96 95 82 96 98 89
SVR TSTORM A
DATE 08/20 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 73 93 71 93 70 93 68 92
TEMP 92 89 78 73 90 85 74 71 91 86 74 71 90 85 72 69 89 84
DEWPT 69 71 72 71 72 71 71 70 69 66 68 67 66 64 64 64 63 62
PWIND DIR W N NW N NW NW NW N NW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS SC B1 SC B1 SC SC SC SC SC SC FW FW FW FW FW SC FW FW
POP 12HR 20 30 50 20 20 10 5 0 10
RAIN SHWRS S S C S C S S
TSTMS S S S C S S
NCZ060-180800-
TUSQUITEE RAWS-FORESTRY-CHEROKEE NC
35.07N 84.12W ELEV. 1600 FT
717 PM EDT MON AUG 17 2026
DATE 08/17/26 TUE 08/18/26 WED 08/19/26 THU
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 69 88 63 91 66
TEMP 82 74 72 70 69 79 85 87 79 70 66 64 64 81 88 91 81 73 69 68 67
DEWPT 72 72 71 70 69 72 72 69 69 67 66 64 64 68 67 66 67 66 65 63 64
RH 72 93 97100100 79 65 55 72 90100100100 65 50 44 63 79 87 84 90
MAX/MIN RH 100 55 100 44 90
WIND DIR NW N N W NW NW NW NW NW N N N N N NW NW N N N N N
WIND DIR DEG 31 0 0 28 29 30 30 31 31 33 0 0 0 0 31 31 0 0 0 0 0
WIND SPD 2 0 0 1 2 4 6 6 3 1 0 0 0 0 3 3 0 0 0 0 0
CLOUDS B1 B1 B2 B2 B2 SC FW FW CL CL FW SC B1 SC CL CL FW FW FW SC SC
CLOUDS (%) 52 69 71 73 72 40 13 16 4 4 20 47 54 32 5 2 11 17 18 27 41
VSBY 10 10 10 7 7 10 10 10 10 10 9 7
POP 12HR 50 0 0 0 0
QPF 12HR 0.03 0 0 0 0
RAIN SHWRS C C
TSTMS C
HEAT INDEX 87 91 91 84 91 94
MAX HEAT 94 91 91 91 94
SVR TSTORM A
CHANCETHUNDER 40 0 0 0 0
MAX MIX HGT
AGL MIX HGT 3800 4100
MAX VENT RT 38400 29200
T WIND DIR NW N
T WIND SPD 10 5
ADI 38 29
MAX LVORI 10 10
STABILITY B F F B A G F A A G G
CEILING NONE 5500 2400 23500 NONE 10800 23500 NONE 14800 NONE NONE
STA PRES 27.87 27.89 27.91 27.90 27.88 27.88 27.89 27.89 27.84 27.87 27.89
DATE 08/20 FRI 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 91 67 88 64 88 63 87 61 87
TEMP 88 82 70 68 86 78 68 65 85 78 67 65 85 77 65 62 84 76
DEWPT 69 70 68 67 72 70 68 65 69 67 65 64 66 64 62 61 62 62
PWIND DIR NW NW W N NW NW NW N NW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC B1 B2 B1 SC SC B1 FW FW SC SC FW FW SC SC FW
POP 12HR 10 20 50 20 30 10 10 0 10
RAIN SHWRS S C C S S C
TSTMS 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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