219
FOUS54 KMRX 120627
PFMMRX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE MORRISTOWN TN
227 AM EDT WED AUG 12 2026
TNZ017-122000-
TRI CITIES AIRPORT-SULLIVAN TN
36.50N 82.41W ELEV. 1536 FT
227 AM EDT WED AUG 12 2026
DATE WED 08/12/26 THU 08/13/26 FRI 08/14/26
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 87 69 88 71 89
TEMP 70 70 76 83 86 81 73 71 70 71 79 86 87 82 75 73 71 72 81 87 88 83
DEWPT 69 70 71 72 72 72 71 70 70 70 73 73 73 73 72 71 70 71 73 74 75 74
RH 97100 85 70 63 74 93 97100 97 82 65 63 74 90 93 97 97 77 65 66 74
WIND DIR SW SW W SW W SW S W S SW SW W W SW SW SW S SW W W W SW
WIND SPD 4 5 6 8 9 5 2 1 1 2 5 8 8 3 1 1 0 2 6 9 8 3
CLOUDS B2 B2 B2 B1 SC SC SC SC B1 B2 B2 B1 B1 B2 SC SC SC B1 B1 SC SC B1
POP 12HR 50 40 40 20 50
QPF 12HR 0.03 0.04 0.07 0 0.24
RAIN SHWRS C C S S S C C S C C S S S S C C C C C
TSTMS S S S S C S S C C S S S S C C S
HEAT INDEX 89 92 85 94 95 88 86 95 98 90
MAX HEAT 90 93 95 97 98 99
DATE SAT 08/15/26 SUN 08/16/26 MON 08/17/26 TUE 08/18/26
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 90 71 91 72 90 69 86
TEMP 74 72 88 83 73 72 88 85 74 73 88 82 72 70 84 79
DEWPT 72 71 74 74 71 70 74 73 71 70 73 72 70 69 71 70
PWIND DIR W W SE SW SW W NW NW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B1 SC SC SC SC SC SC FW FW FW SC SC SC SC SC FW
POP 12HR 30 50 10 20 20 60 30 30
RAIN SHWRS C S C S S L C C
TSTMS S S C S S C S C
TNZ071-122000-
KNOXVILLE MCGHEE TYSON AIRPORT-BLOUNT TN
35.80N 83.98W ELEV. 979 FT
227 AM EDT WED AUG 12 2026
DATE WED 08/12/26 THU 08/13/26 FRI 08/14/26
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 91 73 92 76 94
TEMP 74 74 81 89 90 85 78 76 75 75 84 90 92 87 81 79 77 76 86 92 94 89
DEWPT 71 71 74 75 74 74 73 73 72 72 75 75 74 75 74 73 72 72 75 75 74 75
RH 90 90 79 64 60 70 85 90 90 90 74 62 56 68 79 82 85 87 70 58 53 64
WIND DIR SW SW SW S SW SW S W SW SW SW W SW SW SW S S SW SW W W W
WIND SPD 4 4 5 5 8 5 4 4 3 3 5 5 6 3 3 3 3 4 5 5 5 3
CLOUDS B1 SC B1 SC SC B1 B1 SC B2 SC B1 B2 SC B1 B1 SC SC SC SC SC SC SC
POP 12HR 50 50 40 10 30
QPF 12HR 0.18 0.21 0.04 0 0.02
RAIN SHWRS S S C S C C C S C S C C S S
TSTMS S C S C C S S C S S S S
HEAT INDEX 86 99 99 93 92101102 96 86 95103105 99
MAX HEAT 99 99 86 101 102 90 103 105
DATE SAT 08/15/26 SUN 08/16/26 MON 08/17/26 TUE 08/18/26
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 75 95 75 96 77 96 73 92
TEMP 79 76 95 89 78 76 94 90 80 78 94 88 77 74 90 85
DEWPT 74 73 75 74 74 72 73 73 72 72 71 72 72 71 71 69
PWIND DIR S NW SE SW SW W NE N
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC SC SC SC SC FW FW FW FW SC SC FW SC FW
POP 12HR 10 10 5 10 10 20 10 30
RAIN SHWRS S S C
TSTMS S C
TNZ036-122000-
OAK RIDGE-ANDERSON TN
36.00N 84.24W ELEV. 913 FT
227 AM EDT WED AUG 12 2026
DATE WED 08/12/26 THU 08/13/26 FRI 08/14/26
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 91 72 92 74 94
TEMP 73 73 81 88 90 84 77 75 73 74 83 89 91 85 79 76 74 76 86 92 94 87
DEWPT 71 72 75 76 75 74 73 72 71 72 75 76 76 75 74 73 72 73 76 76 76 76
RH 93 97 82 68 62 72 87 90 93 93 77 66 62 72 85 90 93 90 72 60 56 70
WIND DIR SW SW SW S W W W W SW SW SW SW SW SW SW SW SW SW SW W W W
WIND SPD 2 2 3 4 4 2 2 1 1 2 3 3 3 1 1 1 1 2 2 3 3 1
CLOUDS B1 SC B1 SC SC SC B1 SC SC B1 B2 B1 SC SC B1 SC SC SC SC SC SC FW
POP 12HR 50 40 40 5 20
QPF 12HR 0.25 0.21 0.01 0 0
RAIN SHWRS S C C S C C C S C S S S
TSTMS S S C S C C S S C S S S
HEAT INDEX 87 99101 91 90100103 94 96105107 98
MAX HEAT 99 101 85 100 103 86 105 107
DATE SAT 08/15/26 SUN 08/16/26 MON 08/17/26 TUE 08/18/26
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 75 95 74 96 75 95 73 91
TEMP 78 75 92 87 77 75 92 88 78 76 93 86 76 74 88 83
DEWPT 73 73 76 75 73 73 74 74 72 72 73 73 71 71 72 70
PWIND DIR NW W N SW SW W N N
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC SC SC SC SC SC FW FW FW FW SC FW FW FW SC
POP 12HR 5 10 0 10 5 20 10 30
RAIN SHWRS S C
TSTMS S C
TNZ099-122000-
CHATTANOOGA AIRPORT-HAMILTON TN
35.03N 85.22W ELEV. 688 FT
227 AM EDT WED AUG 12 2026
DATE WED 08/12/26 THU 08/13/26 FRI 08/14/26
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 74 95 75 97
TEMP 74 74 84 91 92 86 79 77 75 75 86 92 94 89 82 79 77 76 88 94 96 91
DEWPT 72 73 75 76 74 75 74 73 73 73 76 75 74 75 74 74 73 73 76 75 73 75
RH 93 97 74 62 56 70 85 87 94 94 72 58 53 64 77 85 87 90 68 54 48 60
WIND DIR S S W W W SW S SW SW SW W W W SW S N N SW W W W W
WIND SPD 1 1 3 5 5 3 1 1 1 1 3 4 5 2 1 0 0 1 2 4 4 2
CLOUDS SC SC SC SC SC B1 B1 SC SC SC SC B1 B1 B2 B1 SC SC SC FW FW SC SC
POP 12HR 40 20 30 0 5
QPF 12HR 0.02 0.04 0 0 0
RAIN SHWRS S C C S C S
TSTMS S C C C S
HEAT INDEX 92103102 95 96103105 99 88 99106106102
MAX HEAT 103 103 89 103 105 94 106 107
DATE SAT 08/15/26 SUN 08/16/26 MON 08/17/26 TUE 08/18/26
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 76 98 77 98 77 99 76 96
TEMP 80 77 95 92 80 78 96 92 80 78 96 91 79 77 93 88
DEWPT 74 74 74 74 74 73 73 73 73 73 71 72 72 72 71 71
PWIND DIR W NW N W SW W NW NW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC FW FW SC SC SC FW FW FW FW FW FW SC FW FW FW
POP 12HR 0 5 5 5 5 10 5 20
RAIN SHWRS S
TSTMS S
NCZ060-122000-
TUSQUITEE RAWS-FORESTRY-CHEROKEE NC
35.07N 84.12W ELEV. 1600 FT
227 AM EDT WED AUG 12 2026
DATE WED 08/12/26 THU 08/13/26 FRI 08/14/26
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 69 91 71 92
TEMP 69 68 80 87 88 79 73 71 70 69 82 89 89 81 75 73 71 72 84 90 91 85
DEWPT 69 68 74 73 73 72 71 70 69 69 74 73 73 73 72 71 70 70 74 73 73 74
RH 100100 82 63 61 79 93 97 97100 77 59 59 77 90 93 97 93 72 58 56 70
MIN/MAX RH 59 100 58 97 54
WIND DIR N N NW NW W NW N N N N W NW W N N N N N NW NW W N
WIND DIR DEG 0 0 29 31 28 30 0 0 0 0 27 29 28 0 0 0 0 0 29 30 28 0
WIND SPD 0 0 3 4 4 1 0 0 0 0 2 4 3 0 0 0 0 0 1 4 4 0
CLOUDS B2 B1 B1 SC B1 SC B1 B2 B1 B1 B1 B1 B1 B1 B1 SC SC B1 SC FW FW FW
CLOUDS (%) 71 65 52 45 55 49 55 74 67 58 55 61 54 54 54 44 45 58 36 25 21 25
VSBY 7 7 10 10 10 10 10 9 7 7 10
POP 12HR 30 30 30 5 20
QPF 12HR 0.12 0.02 0.03 0 0.02
RAIN SHWRS S S C C S C S S
TSTMS S S C C S
HEAT INDEX 85 94 96 88 97 97 86 91 98100 93
MAX HEAT 94 97 97 98 98 101
CHANCETHUNDER 30 20 30 5 20
MAX MIX HGT
AGL MIX HGT 3700 4100 5000
MAX VENT RT 33300 32800 42400
T WIND DIR W NW NW
T WIND SPD 6 6 6
ADI 33 33 40
MAX LVORI 10 10 8
STABILITY F A A F F B B G F A A
CEILING NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE
STA PRES 27.92 27.92 27.85 27.89 27.92 27.94 27.93 27.96 28.00 28.02 27.99
DATE SAT 08/15/26 SUN 08/16/26 MON 08/17/26 TUE 08/18/26
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 94 71 94 72 94 70 92
TEMP 74 72 93 85 73 72 91 85 74 73 91 84 73 71 89 81
DEWPT 71 70 73 74 71 70 72 72 71 70 71 71 70 69 71 70
PWIND DIR N NW N NW N NW N NW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC SC SC SC SC FW FW FW SC FW FW FW SC FW
POP 12HR 0 20 10 10 5 20 10 20
RAIN SHWRS S S S
TSTMS S 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
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page