129
FOUS54 KMRX 211827
PFMMRX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE MORRISTOWN TN
227 PM EDT TUE JUL 21 2026
TNZ017-220800-
TRI CITIES AIRPORT-SULLIVAN TN
36.50N 82.41W ELEV. 1536 FT
227 PM EDT TUE JUL 21 2026
DATE 07/21/26 WED 07/22/26 THU 07/23/26 FRI
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 70 82 64 82 64
TEMP 90 85 78 73 71 71 74 79 81 78 71 68 65 65 73 79 81 77 70 66 64 66
DEWPT 71 72 71 70 70 70 72 72 71 70 68 65 63 63 66 67 66 66 65 64 63 64
RH 54 65 79 90 97 97 93 79 72 76 90 90 93 93 79 67 60 69 84 93 97 93
WIND DIR W SW SW SW W W SW SW W N N N N NE NE N N E E E E E
WIND SPD 12 10 8 6 8 8 6 8 5 4 5 5 6 6 5 4 4 5 5 3 3 3
WIND GUST 18 18 18
CLOUDS B1 OV B2 B2 B2 B2 B1 B2 B2 B2 B2 B1 B1 B1 B1 SC SC B1 B1 B1 B2 B2
POP 12HR 100 90 50 30 20
QPF 12HR 0.83 0.36 0.01 0 0
RAIN SHWRS C C C D D L L L C C C S S S S C C S S C
TSTMS C C C C C S C C C S S S
HEAT INDEX 97 92 85
MAX HEAT 99 87 84 87 84
FLOOD A A A A A A
DATE 07/24 SAT 07/25/26 SUN 07/26/26 MON 07/27/26 TUE 07/28/26
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 82 66 78 66 84 68 86 69 85
TEMP 79 77 69 67 75 75 68 68 81 80 70 70 83 81 71 70 82 80
DEWPT 68 69 66 67 71 71 68 68 71 72 68 69 72 72 68 68 71 70
PWIND DIR S SE SW SW W SW SW SW W
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS B2 B2 B2 B2 B2 B1 B1 SC B1 SC SC SC B1 SC SC B1 B1 SC
POP 12HR 60 60 80 30 30 20 40 40 40
RAIN SHWRS C L C L L D C S S C S S S C C C C C
TSTMS C C S S C S S S C S S C S S C
TNZ071-220800-
KNOXVILLE MCGHEE TYSON AIRPORT-BLOUNT TN
35.80N 83.98W ELEV. 979 FT
227 PM EDT TUE JUL 21 2026
DATE 07/21/26 WED 07/22/26 THU 07/23/26 FRI
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 86 68 84 69
TEMP 92 87 82 79 76 75 78 83 85 81 75 72 70 68 74 81 84 80 74 72 70 69
DEWPT 71 72 72 72 72 72 74 75 74 72 71 69 67 66 68 70 69 69 69 68 67 68
RH 51 61 72 79 87 90 88 77 70 74 87 90 90 93 82 69 61 69 84 87 90 97
WIND DIR SW SW SW SW SW SW SW SW W W N N N NE NE NE N N NE NE N N
WIND SPD 12 9 9 9 9 10 8 6 6 4 4 5 6 8 6 4 4 4 3 1 0 0
WIND GUST 19 19
CLOUDS SC B2 B2 B2 B2 B2 OV B1 B1 SC B1 B2 B1 B2 B2 B1 SC SC SC B2 B1 B2
POP 12HR 60 80 70 40 20
QPF 12HR 0.29 0.32 0.15 0.05 0
RAIN SHWRS S C C C D L C L L C S C C C C C S S S S C
TSTMS S C C C S C C L S S S
HEAT INDEX 99 94 87 90 93 85 85 88 83
MAX HEAT 99 91 90 93 85 88
FLOOD A A A A A A
DATE 07/24 SAT 07/25/26 SUN 07/26/26 MON 07/27/26 TUE 07/28/26
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 85 71 85 71 88 73 91 75 90
TEMP 82 81 74 72 83 81 73 73 86 85 76 75 89 87 77 76 88 84
DEWPT 72 72 71 71 74 72 71 71 74 74 71 71 75 74 71 71 74 73
PWIND DIR W SW SW SW W SW SW SW SW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS B2 B2 B2 B2 B2 B1 SC B1 B1 SC FW SC B1 SC SC B1 SC SC
POP 12HR 60 60 70 40 20 10 30 40 40
RAIN SHWRS C L C L L L C S S S S C C C C C
TSTMS S C C C C L S S S S C C S C
TNZ036-220800-
OAK RIDGE-ANDERSON TN
36.00N 84.24W ELEV. 913 FT
227 PM EDT TUE JUL 21 2026
DATE 07/21/26 WED 07/22/26 THU 07/23/26 FRI
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 86 66 84 67
TEMP 92 86 80 77 74 73 78 83 85 80 73 70 68 67 74 81 83 79 72 69 67 69
DEWPT 73 74 73 73 72 72 74 75 74 72 70 66 64 64 67 69 69 68 67 65 65 66
RH 54 68 79 87 93 97 88 77 70 77 90 87 87 90 79 67 63 69 84 87 93 90
WIND DIR SW SW SW SW SW SW SW SW W N N N N N NE NE N N N N N N
WIND SPD 10 6 5 5 4 3 4 4 3 3 5 4 4 4 4 3 2 3 3 2 1 1
WIND GUST 16 16
CLOUDS SC OV OV B2 B2 B2 B2 B1 SC SC B1 B2 B2 B1 B1 B1 SC SC B1 B1 B2 B2
POP 12HR 70 70 50 20 10
QPF 12HR 0.51 0.14 0.04 0 0
RAIN SHWRS S S C L L L L L C C S S S S S S C
TSTMS S S C C S S C C C S
HEAT INDEX 101 94 84 90 93 84 84 87
MAX HEAT 101 91 90 93 84 87
FLOOD A A A A A A
DATE 07/24 SAT 07/25/26 SUN 07/26/26 MON 07/27/26 TUE 07/28/26
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 85 70 83 70 89 72 91 73 89
TEMP 82 80 72 71 81 79 71 71 86 83 74 73 88 85 75 74 87 83
DEWPT 72 73 70 70 74 74 71 71 74 76 72 71 75 75 71 71 74 73
PWIND DIR W SW SW W W W SW SW W
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS B2 B2 B2 B2 B2 B1 B1 SC B1 SC SC SC SC SC SC SC B1 SC
POP 12HR 50 50 60 30 10 10 20 30 30
RAIN SHWRS C C C C L L C S S C C C C
TSTMS S C C C C L S S S S S C
TNZ099-220800-
CHATTANOOGA AIRPORT-HAMILTON TN
35.03N 85.22W ELEV. 688 FT
227 PM EDT TUE JUL 21 2026
DATE 07/21/26 WED 07/22/26 THU 07/23/26 FRI
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 76 89 71 86 71
TEMP 94 89 82 79 77 76 82 86 88 83 77 74 72 71 77 83 85 82 75 73 72 71
DEWPT 72 73 73 73 73 73 75 75 75 74 73 72 69 68 69 70 70 70 71 70 69 69
RH 49 59 74 82 87 90 79 70 66 74 87 93 90 90 76 65 61 67 87 90 90 93
WIND DIR S S S S S S SW SW SW NW N NE N NE NE N N NE NE NE NE SE
WIND SPD 6 6 6 6 4 4 4 4 4 3 4 4 5 6 5 4 4 4 2 1 1 1
CLOUDS SC B1 B2 B2 B2 SC B1 B1 SC SC B1 B2 B2 B2 B2 B2 B1 SC B1 B1 B2 B2
POP 12HR 20 60 60 50 40
QPF 12HR 0 0.10 0.35 0.14 0.06
RAIN SHWRS S S S C L L L C C C C C C S S C C C
TSTMS S C C C S C S
HEAT INDEX 102 97 87 89 95 98 90 87 90 86
MAX HEAT 102 93 95 98 85 87 90 83
DATE 07/24 SAT 07/25/26 SUN 07/26/26 MON 07/27/26 TUE 07/28/26
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 72 87 72 91 74 94 75 93
TEMP 83 82 74 73 84 82 74 73 88 86 76 75 91 89 78 76 90 87
DEWPT 73 74 72 72 75 75 73 72 75 76 73 73 75 75 73 72 74 74
PWIND DIR S S SW W W NW W SW W
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS B2 B2 B1 B1 B2 B1 SC SC SC SC FW FW SC SC SC SC SC SC
POP 12HR 60 60 70 30 20 20 10 20 20
RAIN SHWRS C L C L L L C S S S S S S S
TSTMS S C C C C L C S S S S S
NCZ060-220800-
TUSQUITEE RAWS-FORESTRY-CHEROKEE NC
35.07N 84.12W ELEV. 1600 FT
227 PM EDT TUE JUL 21 2026
DATE 07/21/26 WED 07/22/26 THU 07/23/26 FRI
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 86 68 83 66
TEMP 90 82 75 72 71 72 77 83 84 79 72 71 70 68 75 80 82 77 71 69 68 67
DEWPT 71 74 72 71 70 70 73 74 74 73 72 71 70 68 73 72 72 70 70 69 68 67
RH 54 77 90 97 97 93 87 74 72 82100100100100 94 77 72 79 97100100100
MAX/MIN RH 100 72 100 72 100
WIND DIR SW S S S S S SW SW SW SW N N N N N NW NW N N N SE SE
WIND DIR DEG 20 19 18 18 17 18 21 22 23 21 0 0 0 0 0 29 30 0 0 0 13 13
WIND SPD 5 4 3 2 2 2 3 3 3 1 0 0 0 0 0 2 2 0 0 0 1 1
CLOUDS SC B1 B2 B2 OV B2 B1 B1 B1 B1 B1 B2 OV B2 B2 B2 B1 B1 B1 B2 B2 OV
CLOUDS (%) 45 61 86 86 88 77 68 60 51 51 64 79 88 71 77 76 68 53 68 76 86 92
VSBY 10 10 10 10 9 8 10 10 10 6 6
POP 12HR 20 70 80 80 60
QPF 12HR 0 0.13 0.50 0.47 0.18
RAIN SHWRS S S S S C C L L C L L L D D L L C C L
TSTMS S S C C C S S C C S
HEAT INDEX 96 88 90 91 84 87
MAX HEAT 98 90 91 84 87
CHANCETHUNDER 20 60 40 50 20
MAX MIX HGT
AGL MIX HGT 3300 2500
MAX VENT RT 32500 9900
T WIND DIR SW NW
T WIND SPD 10 3
ADI 32 10
MAX LVORI 6 10
STABILITY B D F B B F F B B F D
CEILING NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE
STA PRES 27.82 27.84 27.87 27.86 27.87 27.90 27.96 27.96 27.94 27.96 27.98
DATE 07/24 SAT 07/25/26 SUN 07/26/26 MON 07/27/26 TUE 07/28/26
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 67 81 67 87 68 90 70 89
TEMP 80 77 69 68 78 75 68 69 84 81 71 70 87 82 71 71 86 80
DEWPT 72 71 69 68 73 72 68 69 73 73 69 70 73 73 70 69 72 72
PWIND DIR S SE W N NW NW NW W W
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS B2 B2 B1 B2 OV B2 SC SC B1 SC FW SC SC SC SC SC B1 SC
POP 12HR 70 70 80 30 20 5 20 20 30
RAIN SHWRS L L L L D D C S S S S S S S C
TSTMS S C C C C L S S S S 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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