540
FOUS54 KMRX 210627
PFMMRX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE MORRISTOWN TN
227 AM EDT TUE JUL 21 2026
TNZ017-212000-
TRI CITIES AIRPORT-SULLIVAN TN
36.50N 82.41W ELEV. 1536 FT
227 AM EDT TUE JUL 21 2026
DATE TUE 07/21/26 WED 07/22/26 THU 07/23/26
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 69 83 63 83
TEMP 71 71 80 85 87 83 76 73 71 71 75 80 82 78 71 66 64 64 73 80 82 78
DEWPT 69 71 73 74 73 73 71 70 70 70 72 72 71 70 67 64 62 63 66 67 66 66
RH 93100 79 70 63 72 85 90 97 97 90 77 69 76 87 93 93 97 79 65 58 67
WIND DIR S SW SW SW SW W SW SW SW SW SW SW W NW N N N NE NE N N NE
WIND SPD 1 2 11 12 12 9 8 5 6 8 8 8 6 5 6 6 6 8 6 5 5 6
WIND GUST 23 18
CLOUDS B2 B1 B1 B1 SC B2 B2 B2 B2 B1 B1 SC SC B1 SC SC B1 B1 B1 SC FW SC
POP 12HR 40 90 80 20 20
QPF 12HR 0.03 0.83 0.64 0.01 0
RAIN SHWRS S S S C C L L D D C L L L S S S S S
TSTMS S S S S C L C C C S C C C S
HEAT INDEX 84 93 94 89 83 86
MAX HEAT 95 97 84 86 89 83 86
DATE FRI 07/24/26 SAT 07/25/26 SUN 07/26/26 MON 07/27/26
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 64 83 66 80 67 85 67 86
TEMP 66 66 80 78 68 67 77 77 68 68 81 80 69 69 83 81
DEWPT 63 63 68 68 65 66 71 70 68 68 71 72 68 69 71 71
PWIND DIR E SE SE S SW W SW W
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC B1 B1 B1 B2 B1 B2 B1 B1 SC B1 SC SC SC B1 SC
POP 12HR 20 40 60 70 50 40 40 50
RAIN SHWRS S S C C L L L C C C C C S C C
TSTMS C S C S C S C
TNZ071-212000-
KNOXVILLE MCGHEE TYSON AIRPORT-BLOUNT TN
35.80N 83.98W ELEV. 979 FT
227 AM EDT TUE JUL 21 2026
DATE TUE 07/21/26 WED 07/22/26 THU 07/23/26
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 92 74 86 68 85
TEMP 75 76 85 90 92 88 82 78 76 74 78 83 84 82 75 72 70 68 75 82 85 81
DEWPT 72 72 74 74 74 73 72 72 72 72 74 75 75 73 71 68 66 65 68 70 70 69
RH 90 87 70 60 56 61 72 82 87 93 88 77 74 74 87 87 87 90 79 67 61 67
WIND DIR SW SW SW SW SW SW SW SW SW SW SW SW W NW N N N NE NE N N NE
WIND SPD 3 4 11 12 12 9 9 9 8 8 8 6 5 4 5 6 9 10 9 6 6 5
CLOUDS FW B1 B1 SC SC B2 B2 B2 B2 B2 B1 B2 SC SC B1 B2 B1 B1 B1 SC SC SC
POP 12HR 5 80 80 30 10
QPF 12HR 0 0.48 0.35 0.01 0
RAIN SHWRS S L L L L L L D C C
TSTMS S C C C S C C C S
HEAT INDEX 93 99102 96 87 90 92 87 86 90 84
MAX HEAT 99 102 92 90 93 86 90
DATE FRI 07/24/26 SAT 07/25/26 SUN 07/26/26 MON 07/27/26
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 86 71 84 71 88 72 89
TEMP 72 69 83 81 74 72 82 81 74 73 85 84 74 73 87 84
DEWPT 67 67 72 72 70 70 74 73 71 71 74 74 71 71 73 73
PWIND DIR NE W NE W SW W SW W
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC B1 B2 B2 B2 B2 B2 B2 B1 B1 B1 SC FW SC B1 SC
POP 12HR 20 50 40 70 50 30 20 30
RAIN SHWRS S S C C C L L C C C C S S S C
TSTMS C C C L S S C S C
TNZ036-212000-
OAK RIDGE-ANDERSON TN
36.00N 84.24W ELEV. 913 FT
227 AM EDT TUE JUL 21 2026
DATE TUE 07/21/26 WED 07/22/26 THU 07/23/26
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 86 66 85
TEMP 74 75 83 88 89 85 79 76 74 73 79 83 85 80 73 70 67 66 75 82 84 79
DEWPT 73 73 76 76 76 75 73 73 72 72 75 76 75 73 69 66 64 64 67 69 69 68
RH 97 94 80 68 66 72 82 90 93 97 88 80 72 79 87 87 90 93 76 65 61 69
WIND DIR SW SW SW SW SW SW W SW SW SW SW SW W N N N N NE NE NE NE N
WIND SPD 2 3 8 9 10 6 5 5 4 3 3 3 3 3 5 5 5 5 5 4 4 4
WIND GUST 16 16 16 16
CLOUDS SC B1 B1 SC B1 B2 B2 B2 B2 B1 B1 B1 SC B1 B1 B1 B1 SC SC SC SC SC
POP 12HR 20 90 70 10 10
QPF 12HR 0 0.68 0.47 0 0
RAIN SHWRS C D D D C L L L
TSTMS C C C C C C C
HEAT INDEX 91 99100 94 91 94 84 85 88
MAX HEAT 99 102 88 91 94 85 88
DATE FRI 07/24/26 SAT 07/25/26 SUN 07/26/26 MON 07/27/26
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 86 70 83 70 88 70 89
TEMP 69 69 83 79 72 71 80 79 71 72 86 83 73 72 87 83
DEWPT 64 66 72 72 70 70 74 74 71 71 74 75 71 71 74 74
PWIND DIR N SW NW SW SW SW W W
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC B1 B2 B1 B2 B2 B2 B2 B1 SC B1 SC SC SC B1 SC
POP 12HR 10 50 40 60 40 20 20 20
RAIN SHWRS S C C C L L C C S S S S S
TSTMS S C C S C L S S S S S
TNZ099-212000-
CHATTANOOGA AIRPORT-HAMILTON TN
35.03N 85.22W ELEV. 688 FT
227 AM EDT TUE JUL 21 2026
DATE TUE 07/21/26 WED 07/22/26 THU 07/23/26
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 76 89 70 87
TEMP 76 76 86 91 93 90 82 79 77 76 82 86 87 83 77 74 72 70 78 84 86 82
DEWPT 73 73 75 74 73 75 73 73 73 73 76 76 76 75 73 71 68 67 70 71 70 70
RH 90 90 70 58 52 62 74 82 87 90 82 72 70 77 87 90 87 90 76 65 59 67
WIND DIR S S S S S S S S S S S SW W NW N N N N N N N N
WIND SPD 1 2 5 6 6 5 6 6 4 4 4 4 4 4 5 6 6 8 6 5 5 4
CLOUDS FW SC SC SC FW B1 B1 B2 B2 B2 B1 B1 B2 SC SC B1 B1 B1 B1 B1 SC SC
POP 12HR 5 40 80 40 20
QPF 12HR 0 0.05 0.18 0.01 0
RAIN SHWRS S S C C S C D C C C C S S S S S
TSTMS S S S C L C S
HEAT INDEX 95101102101 87 89 96 98 90 89 91 86
MAX HEAT 101 105 94 96 99 85 89 91
DATE FRI 07/24/26 SAT 07/25/26 SUN 07/26/26 MON 07/27/26
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 87 72 86 72 91 73 92
TEMP 73 71 84 82 74 73 83 82 74 74 88 86 75 74 90 86
DEWPT 69 68 72 72 71 71 74 74 73 72 74 75 72 72 74 74
PWIND DIR NE S S SW SW W W NW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC B1 B2 B2 B1 B1 B2 B2 B1 SC SC SC FW FW SC SC
POP 12HR 20 30 60 60 40 30 10 20
RAIN SHWRS S S S C C L L L C C S C S
TSTMS C C S C L C S C S
NCZ060-212000-
TUSQUITEE RAWS-FORESTRY-CHEROKEE NC
35.07N 84.12W ELEV. 1600 FT
227 AM EDT TUE JUL 21 2026
DATE TUE 07/21/26 WED 07/22/26 THU 07/23/26
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 71 86 67 84
TEMP 70 71 82 88 89 84 75 73 73 72 77 83 82 77 72 70 69 67 76 81 83 78
DEWPT 69 70 73 72 72 73 72 71 71 71 74 75 74 73 72 70 69 67 73 72 71 71
RH 97 97 74 59 57 70 90 93 93 97 90 77 77 87100100100100 90 74 67 79
MIN/MAX RH 57 100 74 100 67
WIND DIR N SE S S S S S S S SW SW SW SW W N N N N N NW NW N
WIND DIR DEG 0 13 18 19 19 18 18 18 18 20 21 22 23 26 0 0 0 0 0 29 31 33
WIND SPD 0 1 3 5 5 3 3 2 2 2 3 3 3 1 0 0 0 0 0 2 2 1
CLOUDS SC B1 SC B1 SC B1 B2 B2 B2 B2 SC B1 SC B1 B1 B2 B2 B2 B1 B1 B1 SC
CLOUDS (%) 28 52 43 65 31 60 76 74 86 82 48 53 50 55 57 70 81 80 65 67 51 40
VSBY 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 5 30 80 60 70
QPF 12HR 0 0.03 0.18 0.39 0.07
RAIN SHWRS S S S C L L L C C C C L L C
TSTMS S S C L C C S
HEAT INDEX 87 95 96 90 90 88 85 88
MAX HEAT 95 96 90 92 85 88
CHANCETHUNDER 5 20 60 30 30
MAX MIX HGT
AGL MIX HGT 5100 2800 4300
MAX VENT RT 50800 23700 27800
T WIND DIR S SW NW
T WIND SPD 9 8 4
ADI 51 24 29
MAX LVORI 10 5 10
STABILITY F B B F D B B F D B A
CEILING NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE
STA PRES 27.86 27.84 27.80 27.84 27.88 27.87 27.87 27.90 27.94 27.93 27.91
DATE FRI 07/24/26 SAT 07/25/26 SUN 07/26/26 MON 07/27/26
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 66 84 67 82 67 86 67 88
TEMP 68 66 81 77 69 68 80 76 69 69 84 79 69 69 86 81
DEWPT 68 66 71 70 68 68 73 72 69 69 73 72 69 69 72 72
PWIND DIR E SE SE SW W NW W NW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC B2 B2 B2 B1 B2 B2 B2 SC B1 B2 B1 FW SC B1 SC
POP 12HR 40 50 50 80 50 40 20 30
RAIN SHWRS C S C C C C L D C C C C S C
TSTMS C C C L C S C 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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