773
FOUS54 KMRX 201827
PFMMRX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE MORRISTOWN TN
227 PM EDT MON JUL 20 2026
TNZ017-210800-
TRI CITIES AIRPORT-SULLIVAN TN
36.50N 82.41W ELEV. 1536 FT
227 PM EDT MON JUL 20 2026
DATE 07/20/26 TUE 07/21/26 WED 07/22/26 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 87 69 83 62
TEMP 87 82 74 72 70 71 80 84 86 82 75 72 71 70 74 80 82 78 70 66 63 63
DEWPT 73 74 71 70 69 70 73 74 73 73 71 70 69 70 72 72 71 70 66 64 62 62
RH 63 77 90 93 97 97 79 72 65 74 87 93 93100 93 77 69 76 87 93 97 97
WIND DIR W SW S S SW SW W SW W SW SW SW SW SW W W W NW N N N NE
WIND SPD 5 4 1 1 1 2 10 12 11 8 6 5 6 8 8 9 6 4 5 6 8 6
WIND GUST 21 17 17
CLOUDS FW B1 B1 B1 B1 B1 B1 B1 B2 B2 B2 B1 B2 B1 B1 SC SC SC SC SC B1 SC
POP 12HR 60 50 90 80 30
QPF 12HR 0.11 0.07 0.65 0.83 0.01
RAIN SHWRS C C L S S S C C C C L C L D D L L C C
TSTMS C C C S S C C C C C C C C S C C S
HEAT INDEX 95 88 83 92 92 87 86
MAX HEAT 97 94 95 84 87
DATE 07/23 FRI 07/24/26 SAT 07/25/26 SUN 07/26/26 MON 07/27/26
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 83 63 82 65 80 66 85 67 87
TEMP 80 78 66 65 79 77 68 67 77 77 68 68 81 80 69 69 84 82
DEWPT 66 65 63 63 68 68 65 66 70 70 67 68 71 72 68 68 72 72
PWIND DIR NE E SE SE SE S SW SW W
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC SC B1 B1 B2 B2 B2 B1 B1 B1 B1 SC FW FW SC SC
POP 12HR 30 10 30 50 60 40 30 20 30
RAIN SHWRS C C C C C L L C C C C S C
TSTMS C C S C S C S C
TNZ071-210800-
KNOXVILLE MCGHEE TYSON AIRPORT-BLOUNT TN
35.80N 83.98W ELEV. 979 FT
227 PM EDT MON JUL 20 2026
DATE 07/20/26 TUE 07/21/26 WED 07/22/26 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 90 74 86 68
TEMP 89 85 79 77 76 76 84 88 90 87 81 79 76 75 78 84 85 81 75 72 69 68
DEWPT 75 76 74 73 72 72 74 75 74 73 72 72 72 72 74 75 74 72 70 68 66 65
RH 64 75 85 87 87 87 72 66 60 63 74 79 87 90 88 74 70 74 84 87 90 90
WIND DIR W W S SW SW SW SW SW SW SW SW SW SW SW SW W W NW NE N N NE
WIND SPD 5 3 3 2 3 5 11 11 11 8 9 9 9 10 10 8 5 4 5 5 8 10
WIND GUST 19
CLOUDS SC FW SC SC FW SC SC SC B1 B2 B2 OV B2 OV B1 B1 SC SC B1 B1 B1 B1
POP 12HR 10 10 80 80 30
QPF 12HR 0 0 0.50 0.46 0.02
RAIN SHWRS S S L L D D L L C C
TSTMS S S C C S C C C S
HEAT INDEX 99 94 91 98 99 94 85 92 93 85
MAX HEAT 101 89 98 101 90 92 94
DATE 07/23 FRI 07/24/26 SAT 07/25/26 SUN 07/26/26 MON 07/27/26
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 84 67 85 71 85 71 88 71 89
TEMP 81 81 71 68 83 81 73 72 82 81 74 73 86 84 74 73 87 85
DEWPT 69 69 66 66 72 72 70 70 73 72 71 71 74 74 71 71 74 74
PWIND DIR NE NE W SE SW SW SW SW W
WIND CHAR GN LT LT LT LT LT LT LT LT
AVG CLOUDS B1 SC SC B1 B2 B1 B2 B2 B2 B1 B1 SC B1 SC SC FW SC SC
POP 12HR 20 10 40 40 70 30 30 20 20
RAIN SHWRS S C C C L L C S S C S S
TSTMS S C C C S C S S
TNZ036-210800-
OAK RIDGE-ANDERSON TN
36.00N 84.24W ELEV. 913 FT
227 PM EDT MON JUL 20 2026
DATE 07/20/26 TUE 07/21/26 WED 07/22/26 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 90 73 86 66
TEMP 89 84 77 75 75 75 83 87 88 85 79 76 74 73 78 83 85 80 73 70 67 66
DEWPT 77 77 74 73 73 73 76 77 76 75 73 73 72 72 75 76 75 72 69 66 64 64
RH 68 80 90 94 94 94 80 72 68 72 82 90 93 97 91 80 72 77 87 87 90 93
WIND DIR W W SW SW SW SW SW SW SW SW SW SW SW SW SW W W N N N N N
WIND SPD 3 1 1 1 2 4 8 9 9 5 5 5 5 5 4 4 4 3 5 4 5 5
WIND GUST 16 16
CLOUDS SC SC SC FW SC B1 SC SC B1 B2 B2 B2 B2 B2 B1 SC SC SC B1 B1 B2 B1
POP 12HR 20 20 90 70 20
QPF 12HR 0 0.01 0.77 0.42 0.01
RAIN SHWRS S L D L L L C C S S
TSTMS S C C C S C C C S
HEAT INDEX 102 94 91 99 99 94 91 94 84
MAX HEAT 102 86 99 100 86 91 94
DATE 07/23 FRI 07/24/26 SAT 07/25/26 SUN 07/26/26 MON 07/27/26
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 84 66 84 70 83 70 88 70 90
TEMP 81 80 69 67 81 79 71 71 81 79 71 72 86 83 73 72 87 83
DEWPT 69 68 63 64 72 73 70 70 74 74 71 70 74 75 71 71 75 76
PWIND DIR NE N S SW SW W SW SW SW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS B1 SC SC B1 B2 B1 B2 B2 B2 B1 B1 SC B1 B1 SC FW SC SC
POP 12HR 5 10 30 40 60 30 20 10 20
RAIN SHWRS C C C L L C S S S S
TSTMS C C S C S S S
TNZ099-210800-
CHATTANOOGA AIRPORT-HAMILTON TN
35.03N 85.22W ELEV. 688 FT
227 PM EDT MON JUL 20 2026
DATE 07/20/26 TUE 07/21/26 WED 07/22/26 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 75 93 76 90 70
TEMP 90 87 80 77 76 76 86 90 92 89 82 79 77 76 83 87 89 84 76 73 71 70
DEWPT 75 77 75 74 73 73 75 75 74 75 74 73 73 73 76 76 75 74 72 70 69 68
RH 62 72 85 90 90 90 70 62 56 64 77 82 87 90 80 70 64 72 87 90 93 93
WIND DIR SW SW N N S S S S S S S S S S SW SW W NW N N N N
WIND SPD 3 2 0 0 2 3 5 6 6 5 5 6 5 4 5 5 5 5 5 5 6 8
CLOUDS B1 SC SC FW SC SC SC SC SC SC B1 B2 B1 B1 B2 B1 SC SC SC SC B1 B1
POP 12HR 10 5 40 70 40
QPF 12HR 0 0 0.04 0.13 0.02
RAIN SHWRS C S C C L L C C S S
TSTMS C S C L L C
HEAT INDEX 101 99 85 95101102 99 88 91 98 99 91
MAX HEAT 103 91 101 105 94 98 99 86
DATE 07/23 FRI 07/24/26 SAT 07/25/26 SUN 07/26/26 MON 07/27/26
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 86 70 87 72 87 72 90 73 92
TEMP 83 83 72 70 85 82 74 73 84 82 74 73 87 85 75 74 90 87
DEWPT 70 70 68 67 72 72 71 71 74 74 72 72 74 75 73 72 74 75
PWIND DIR N NE SE S S S SW SW W
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS B1 SC SC B1 B1 B2 B1 B2 B2 B1 SC SC B1 B1 FW FW SC SC
POP 12HR 20 10 30 40 60 30 20 5 20
RAIN SHWRS S C C C L L C S S S S S
TSTMS S C S S C C S S S
NCZ060-210800-
TUSQUITEE RAWS-FORESTRY-CHEROKEE NC
35.07N 84.12W ELEV. 1600 FT
227 PM EDT MON JUL 20 2026
DATE 07/20/26 TUE 07/21/26 WED 07/22/26 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 89 71 86 66
TEMP 86 80 73 72 70 71 81 87 88 83 75 73 72 72 78 83 84 79 71 69 68 67
DEWPT 74 75 72 70 69 70 73 73 72 73 72 71 71 71 74 75 74 73 71 69 68 67
RH 68 85 97 93 97 97 77 63 59 72 90 93 97 97 88 77 72 82100100100100
MAX/MIN RH 100 59 100 70 100
WIND DIR SW N N N N SE S S SW S S S S S SW W W NW N N N N
WIND DIR DEG 22 0 0 0 0 15 18 19 20 19 17 18 18 18 21 24 26 30 0 0 0 0
WIND SPD 2 0 0 0 0 1 3 5 5 3 2 2 2 2 3 4 3 1 0 0 0 0
CLOUDS SC SC B1 SC SC B1 B1 SC SC B1 B2 OV OV B2 B1 B1 SC SC SC B1 B2 B2
CLOUDS (%) 42 47 60 28 44 57 54 28 39 56 85 90 94 86 68 64 46 30 45 60 84 84
VSBY 10 10 10 7 7 7 10 10 10 10 10
POP 12HR 10 10 50 90 60
QPF 12HR 0 0 0.06 0.31 0.15
RAIN SHWRS C C C D D L L C C C
TSTMS C C L L C S
HEAT INDEX 94 85 86 94 95 89 90 91
MAX HEAT 97 94 95 90 93
CHANCETHUNDER 10 10 20 60 40
MAX MIX HGT
AGL MIX HGT 4800 3900
MAX VENT RT 53000 39200
T WIND DIR S SW
T WIND SPD 10 9
ADI 53 39
MAX LVORI 10 9
STABILITY A G F B B D D B A F D
CEILING NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE
STA PRES 27.83 27.85 27.86 27.84 27.82 27.83 27.87 27.87 27.86 27.89 27.94
DATE 07/23 FRI 07/24/26 SAT 07/25/26 SUN 07/26/26 MON 07/27/26
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 84 66 84 66 82 67 87 67 88
TEMP 81 78 69 66 81 77 69 68 79 76 69 69 84 80 69 69 86 81
DEWPT 72 70 68 66 71 71 68 67 72 72 69 69 73 73 69 69 72 73
PWIND DIR NW E S SE SW N W W NW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS B1 SC SC B1 B2 B2 B1 B2 OV B2 SC B1 B2 B1 FW FW SC SC
POP 12HR 60 30 50 40 70 30 30 20 20
RAIN SHWRS C L C S C C C C L L C S C C S S
TSTMS S C S C S S C C S 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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