278
FOUS54 KMRX 040627
PFMMRX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE MORRISTOWN TN
227 AM EDT FRI SEP 4 2026
TNZ017-042000-
TRI CITIES AIRPORT-SULLIVAN TN
36.50N 82.41W ELEV. 1536 FT
227 AM EDT FRI SEP 4 2026
DATE FRI 09/04/26 SAT 09/05/26 SUN 09/06/26
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 94 70 91 67 88
TEMP 71 71 84 92 92 84 75 73 71 71 81 88 90 82 73 70 69 68 78 85 86 79
DEWPT 68 68 72 71 71 71 71 70 69 69 72 72 72 71 71 69 68 68 72 71 69 68
RH 90 90 67 51 51 65 87 90 93 93 74 59 56 69 93 97 97100 82 63 57 69
WIND DIR N SE W W NW N N N N S W W W W SW N N NE N N N NE
WIND SPD 0 0 1 3 3 1 0 0 0 0 3 5 5 3 0 0 0 0 2 4 6 8
CLOUDS FW FW CL FW FW FW SC SC SC B1 SC SC B1 B1 SC SC SC B1 SC SC FW SC
POP 12HR 20 10 40 50 40
QPF 12HR 0 0 0.03 0.05 0.07
RAIN SHWRS S S C C C C S S S S C C
TSTMS S S C C S S C C
HEAT INDEX 91100 99 89 85 95 97 86 90 91
MAX HEAT 101 102 83 97 99 92 94
DATE MON 09/07/26 TUE 09/08/26 WED 09/09/26 THU 09/10/26
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 85 63 87 64 88 67 90
TEMP 68 65 82 78 66 64 84 79 68 66 86 81 70 68 87 81
DEWPT 66 64 67 65 62 62 66 66 64 63 68 67 65 65 69 68
PWIND DIR E SE E SE SE SW SW SW
WIND CHAR LT LT LT LT LT LT LT GN
AVG CLOUDS SC SC SC SC SC FW SC SC FW FW SC FW FW FW SC FW
POP 12HR 5 5 0 5 0 5 5 30
RAIN SHWRS C
TSTMS S
TNZ071-042000-
KNOXVILLE MCGHEE TYSON AIRPORT-BLOUNT TN
35.80N 83.98W ELEV. 979 FT
227 AM EDT FRI SEP 4 2026
DATE FRI 09/04/26 SAT 09/05/26 SUN 09/06/26
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 97 74 95 72 93
TEMP 75 74 87 95 95 88 82 78 76 75 86 93 93 85 79 76 74 73 84 90 92 85
DEWPT 70 70 73 73 72 72 72 72 71 71 74 73 73 72 72 72 71 71 73 73 71 70
RH 84 87 63 49 48 59 72 82 85 87 68 52 52 65 79 87 90 93 70 58 51 61
WIND DIR N N N NW N NE SW N S SW W NW NW NW NE E N E N N N NE
WIND SPD 0 0 0 1 2 2 1 0 1 1 1 2 3 3 1 1 0 1 2 4 6 6
CLOUDS CL FW FW FW FW SC SC FW SC FW CL FW FW B1 SC SC SC FW FW FW FW SC
POP 12HR 10 5 20 20 20
QPF 12HR 0 0 0.02 0.05 0.03
RAIN SHWRS S S S S S
TSTMS S S S S
HEAT INDEX 94105104 95 87 94102102 91 90 98 99 90
MAX HEAT 105 107 91 102 105 87 98 101
HEAT Y Y Y Y Y
DATE MON 09/07/26 TUE 09/08/26 WED 09/09/26 THU 09/10/26
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 90 69 91 69 92 71 93
TEMP 74 70 87 83 73 70 88 84 74 70 89 86 75 72 91 86
DEWPT 69 68 71 70 68 67 69 68 67 66 69 68 68 67 70 69
PWIND DIR NE E SE E S SW S SW
WIND CHAR LT LT LT LT LT LT LT GN
AVG CLOUDS SC SC SC SC SC SC SC SC SC SC SC FW FW FW FW FW
POP 12HR 5 40 5 5 0 5 5 20
RAIN SHWRS C S
TSTMS C S
TNZ036-042000-
OAK RIDGE-ANDERSON TN
36.00N 84.24W ELEV. 913 FT
227 AM EDT FRI SEP 4 2026
DATE FRI 09/04/26 SAT 09/05/26 SUN 09/06/26
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 97 74 96 71 93
TEMP 75 74 87 95 95 86 79 77 75 74 87 94 93 84 77 74 73 72 84 90 92 84
DEWPT 70 71 74 74 73 73 72 72 71 71 75 74 74 73 72 71 70 70 74 73 72 70
RH 84 90 65 51 49 65 79 85 87 90 68 53 54 70 85 90 90 93 72 58 52 63
WIND DIR N N N N N NW SW N N N N NW NW N N N N N N N N N
WIND SPD 0 0 0 0 1 1 1 0 0 0 0 1 1 1 1 1 1 1 1 3 4 4
CLOUDS FW FW FW FW FW SC FW FW SC FW CL SC SC SC SC SC SC SC FW SC SC FW
POP 12HR 20 5 20 20 20
QPF 12HR 0 0 0.03 0 0.02
RAIN SHWRS S S S S S S
TSTMS S S S S S
HEAT INDEX 95106105 93 96105103 90 91 98100 88
MAX HEAT 106 106 87 105 106 86 98 101
HEAT Y Y Y Y Y
DATE MON 09/07/26 TUE 09/08/26 WED 09/09/26 THU 09/10/26
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 90 68 90 68 92 70 93
TEMP 72 69 87 81 71 69 88 83 72 69 89 84 73 71 91 84
DEWPT 68 67 72 70 69 67 70 68 67 66 70 69 68 67 71 69
PWIND DIR NE SE S SE SW SW SW SW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC SC SC SC SC SC SC FW FW SC FW FW FW FW FW
POP 12HR 0 30 10 5 0 5 5 20
RAIN SHWRS C S
TSTMS C S
TNZ099-042000-
CHATTANOOGA AIRPORT-HAMILTON TN
35.03N 85.22W ELEV. 688 FT
227 AM EDT FRI SEP 4 2026
DATE FRI 09/04/26 SAT 09/05/26 SUN 09/06/26
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 99 76 99 74 97
TEMP 77 76 88 97 99 92 83 79 77 76 89 96 98 90 82 78 76 75 88 95 97 89
DEWPT 73 72 74 73 72 72 73 72 72 72 74 72 72 72 73 73 72 72 73 71 70 70
RH 87 87 63 46 42 52 72 79 85 87 61 46 43 56 74 85 87 90 61 46 42 54
WIND DIR N N S E NE E N N N N N N NW NW N N N N N N N N
WIND SPD 0 0 1 2 3 2 0 0 0 0 1 3 3 3 1 0 0 0 2 4 6 6
CLOUDS FW FW CL FW SC FW SC FW FW FW FW SC SC B1 FW FW FW FW CL FW FW FW
POP 12HR 10 0 30 5 10
QPF 12HR 0 0 0.03 0 0
RAIN SHWRS S
TSTMS S
HEAT INDEX 97107109100 89 98105107 97 87 96103104 94
MAX HEAT 107 109 94 105 107 92 103 105
HEAT Y Y Y Y Y
DATE MON 09/07/26 TUE 09/08/26 WED 09/09/26 THU 09/10/26
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 92 71 92 71 94 72 95
TEMP 76 73 89 85 74 72 90 86 74 72 92 87 76 73 93 88
DEWPT 70 69 71 70 68 67 70 69 68 67 69 69 69 68 70 69
PWIND DIR NE SE SE SE SE S S SW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC SC SC SC FW FW FW SC FW FW FW FW FW FW FW
POP 12HR 5 20 5 5 0 5 5 20
RAIN SHWRS S S
TSTMS S S
NCZ060-042000-
TUSQUITEE RAWS-FORESTRY-CHEROKEE NC
35.07N 84.12W ELEV. 1600 FT
227 AM EDT FRI SEP 4 2026
DATE FRI 09/04/26 SAT 09/05/26 SUN 09/06/26
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 94 70 94 67 92
TEMP 71 70 84 91 91 81 75 72 71 70 83 92 91 81 74 71 69 68 83 91 89 79
DEWPT 68 68 73 73 72 72 71 70 68 68 73 72 71 71 71 69 68 67 72 70 69 70
RH 90 93 70 56 54 74 87 93 90 93 72 52 52 72 90 93 97 97 70 50 52 74
MIN/MAX RH 52 97 51 100 49
WIND DIR N N N N N N N N N N NW NW NW N N N N N NW NW N N
WIND DIR DEG 0 0 0 0 1 0 0 0 0 0 31 31 32 33 0 0 0 0 31 31 33 0
WIND SPD 0 0 0 1 1 0 0 0 0 0 1 3 3 1 0 0 0 0 1 5 5 2
CLOUDS FW SC FW SC SC SC FW SC SC SC FW FW SC FW FW SC SC SC FW FW FW FW
CLOUDS (%) 19 36 8 28 28 27 24 35 30 48 7 23 27 20 18 33 33 38 10 25 24 13
VSBY 7 7 10 10 10 10 10 10 7 7 10
POP 12HR 20 5 20 5 20
QPF 12HR 0 0 0 0 0.02
RAIN SHWRS S S S S
TSTMS S S S S
HEAT INDEX 90100 99 85 89100 98 85 88 97 94
MAX HEAT 100 102 100 101 97 96
CHANCETHUNDER 10 5 20 5 20
MAX MIX HGT
AGL MIX HGT 5600 5300 5800
MAX VENT RT 22900 26500 52000
T WIND DIR NE N NW
T WIND SPD 3 4 8
ADI 23 26 52
MAX LVORI 8 8 9
STABILITY G A A G G A A G G B A
CEILING NONE NONE NONE NONE NONE NONE NONE NONE NONE 9800 8900
STA PRES 27.96 27.94 27.90 27.91 27.89 27.86 27.81 27.81 27.81 27.80 27.78
DATE MON 09/07/26 TUE 09/08/26 WED 09/09/26 THU 09/10/26
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 86 63 88 62 89 65 91
TEMP 69 66 83 77 67 64 85 78 67 63 87 79 69 66 88 80
DEWPT 68 65 70 68 65 62 68 67 64 62 67 68 66 64 69 68
PWIND DIR E SE SE SE SE S N W
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC B1 SC SC SC SC SC FW SC SC FW FW FW SC FW
POP 12HR 10 30 0 10 0 10 5 20
RAIN SHWRS C S
TSTMS 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
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page