628
FOUS54 KMRX 200627
PFMMRX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE MORRISTOWN TN
226 AM EDT THU AUG 20 2026
TNZ017-202000-
TRI CITIES AIRPORT-SULLIVAN TN
36.50N 82.41W ELEV. 1536 FT
226 AM EDT THU AUG 20 2026
DATE THU 08/20/26 FRI 08/21/26 SAT 08/22/26
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 67 84 65 85
TEMP 67 68 78 84 86 80 71 69 68 68 75 82 81 75 70 67 65 67 75 83 84 78
DEWPT 63 64 68 70 70 70 69 68 67 68 70 72 71 69 68 67 65 67 69 67 65 65
RH 87 87 71 63 59 72 93 97 97100 84 72 72 82 93100100100 82 59 53 64
WIND DIR SE S W W W W E E E NE SW SW SW N N N N SW W W W W
WIND SPD 0 1 5 8 8 3 1 0 0 1 2 5 5 2 0 0 0 0 3 6 8 4
CLOUDS B1 B2 B1 B1 SC SC SC B1 SC B1 B1 B1 SC SC SC SC B1 B1 SC SC SC FW
POP 12HR 30 60 60 30 10
QPF 12HR 0.05 0.14 0.11 0.03 0
RAIN SHWRS S L C S S C S C L C C S
TSTMS S C S S S S C C S
HEAT INDEX 88 91 83 86 85
MAX HEAT 90 93 87 90 86 88
DATE SUN 08/23/26 MON 08/24/26 TUE 08/25/26 WED 08/26/26
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 63 83 58 83 59 86 63 88
TEMP 65 65 81 75 62 60 81 75 62 62 83 77 65 65 85 79
DEWPT 64 64 63 60 58 58 59 58 57 57 61 61 61 62 65 65
PWIND DIR SW W N NW NE NW SE SW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC SC FW FW FW SC SC FW FW SC SC FW SC SC SC
POP 12HR 20 10 0 0 0 5 10 20
RAIN SHWRS S S S
TSTMS S
TNZ071-202000-
KNOXVILLE MCGHEE TYSON AIRPORT-BLOUNT TN
35.80N 83.98W ELEV. 979 FT
226 AM EDT THU AUG 20 2026
DATE THU 08/20/26 FRI 08/21/26 SAT 08/22/26
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 71 89 69 90
TEMP 72 73 82 89 89 83 77 74 72 72 80 87 87 81 75 73 71 69 81 87 89 84
DEWPT 66 67 70 72 73 72 72 71 71 70 73 73 72 71 71 70 69 69 71 68 66 66
RH 81 81 67 57 59 70 85 90 97 93 79 63 61 72 87 90 93100 72 53 47 55
WIND DIR W SW SW W W SW SW NW SW W NW W W N NE N N N W W W W
WIND SPD 1 4 5 5 6 4 2 1 1 1 2 4 5 3 1 0 0 0 1 3 5 4
CLOUDS B1 B2 B1 B1 SC B1 B1 B1 SC B2 B1 B1 B1 B1 SC SC SC SC FW FW FW SC
POP 12HR 30 50 40 10 5
QPF 12HR 0.02 0.09 0.02 0 0
RAIN SHWRS C S C C C C C
TSTMS S S C C S S C
HEAT INDEX 86 96 97 88 84 94 94 85 85 91 92
MAX HEAT 96 100 84 94 96 91 93
DATE SUN 08/23/26 MON 08/24/26 TUE 08/25/26 WED 08/26/26
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 88 64 88 65 89 67 91
TEMP 72 68 85 81 68 65 85 81 68 66 87 83 71 68 89 84
DEWPT 67 66 64 62 61 60 61 60 60 60 63 63 64 64 67 67
PWIND DIR SW NW NE N NE NW S SW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC FW FW FW FW FW FW SC SC FW SC SC FW SC SC SC
POP 12HR 10 5 5 0 5 10 10 30
RAIN SHWRS C
TSTMS C
TNZ036-202000-
OAK RIDGE-ANDERSON TN
36.00N 84.24W ELEV. 913 FT
226 AM EDT THU AUG 20 2026
DATE THU 08/20/26 FRI 08/21/26 SAT 08/22/26
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 70 89 67 90
TEMP 72 72 80 86 88 83 75 72 71 71 79 85 87 82 74 70 69 68 81 87 89 82
DEWPT 67 68 72 74 74 73 72 71 70 70 74 74 73 72 71 69 68 68 71 69 67 68
RH 84 87 77 68 63 72 90 97 97 97 85 70 63 72 90 97 97100 72 55 48 63
WIND DIR W SW SW SW W W N E N N SW W NW N N N N N N W W W
WIND SPD 1 2 3 3 3 2 1 1 0 0 1 2 3 2 1 0 0 0 0 2 4 3
CLOUDS B1 B2 B1 B1 SC B1 SC B1 B2 B2 B1 SC SC FW SC SC SC SC FW FW FW FW
POP 12HR 30 50 30 5 5
QPF 12HR 0.01 0.14 0 0 0
RAIN SHWRS C C C S C C C S
TSTMS S C C S C S S S
HEAT INDEX 84 94 97 89 93 94 87 85 91 92 85
MAX HEAT 94 97 93 94 91 92
DATE SUN 08/23/26 MON 08/24/26 TUE 08/25/26 WED 08/26/26
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 88 63 87 63 88 66 90
TEMP 69 66 84 79 66 64 83 79 67 64 84 81 69 67 87 82
DEWPT 67 66 65 64 61 60 62 62 59 60 64 65 63 64 69 69
PWIND DIR NW NW N NW NE S W SW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC FW FW FW FW FW FW SC SC FW SC SC FW SC SC SC
POP 12HR 5 5 5 5 5 10 10 30
RAIN SHWRS C
TSTMS C
TNZ099-202000-
CHATTANOOGA AIRPORT-HAMILTON TN
35.03N 85.22W ELEV. 688 FT
226 AM EDT THU AUG 20 2026
DATE THU 08/20/26 FRI 08/21/26 SAT 08/22/26
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 96 73 93 70 94
TEMP 74 74 85 94 95 87 78 75 74 73 83 91 91 83 77 74 72 71 83 91 94 86
DEWPT 68 69 72 73 73 74 75 73 73 72 74 73 72 72 72 71 70 70 71 67 65 67
RH 82 84 65 51 49 65 91 94 97 97 74 56 54 70 85 90 93 97 67 45 39 53
WIND DIR W NW NE W W NW SW S N N W W NW NW N N N N N NW NW NW
WIND SPD 1 2 2 4 4 3 2 1 0 0 1 3 5 3 2 1 0 0 1 4 8 4
CLOUDS B1 SC SC SC SC SC B2 B1 B2 SC SC SC FW FW FW FW FW FW CL FW FW FW
POP 12HR 30 50 30 5 5
QPF 12HR 0.05 0.20 0 0 0
RAIN SHWRS S C C C S S
TSTMS S C C C S
HEAT INDEX 91103105 95 90100 99 88 88 94 97 89
MAX HEAT 103 105 89 100 101 84 94 97
DATE SUN 08/23/26 MON 08/24/26 TUE 08/25/26 WED 08/26/26
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 70 92 67 91 68 92 70 93
TEMP 73 71 89 84 71 68 88 83 71 69 89 84 73 71 91 86
DEWPT 69 68 64 63 63 62 61 61 62 62 64 64 66 66 68 68
PWIND DIR NW N N N N W SW SW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW FW FW FW FW SC SC SC FW SC SC SC SC SC SC
POP 12HR 5 5 5 5 5 20 20 30
RAIN SHWRS S S S S C
TSTMS S C
NCZ060-202000-
TUSQUITEE RAWS-FORESTRY-CHEROKEE NC
35.07N 84.12W ELEV. 1600 FT
226 AM EDT THU AUG 20 2026
DATE THU 08/20/26 FRI 08/21/26 SAT 08/22/26
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 67 88 64 88
TEMP 68 68 82 90 90 80 73 70 68 67 80 86 86 77 71 68 66 65 79 85 87 79
DEWPT 63 64 70 72 72 72 71 70 68 67 73 73 72 71 70 68 66 65 70 67 66 66
RH 84 87 67 56 56 77 93100100100 79 65 63 82 97100100100 74 55 50 64
MIN/MAX RH 54 100 61 100 48
WIND DIR N N N NW NW N N N N N SW W NW NW N N N N NW NW NW NW
WIND DIR DEG 0 0 0 29 29 0 0 0 0 0 22 26 29 30 0 0 0 0 31 31 31 30
WIND SPD 0 0 0 3 3 0 0 0 0 0 1 3 4 1 0 0 0 0 2 5 5 2
CLOUDS SC B1 SC SC SC SC B1 B2 B1 B2 SC B1 SC SC SC SC SC B1 FW FW FW FW
CLOUDS (%) 44 69 45 29 38 39 51 75 66 70 41 59 36 36 36 46 49 52 19 8 9 12
VSBY 10 10 10 10 10 10 10 7 7 7 10
POP 12HR 20 40 50 10 5
QPF 12HR 0 0.09 0.11 0 0
RAIN SHWRS S C C C C C C
TSTMS S C C S C C
HEAT INDEX 86 97 97 84 84 93 92 88
MAX HEAT 97 99 93 94 88 90
CHANCETHUNDER 20 30 40 10 5
MAX MIX HGT
AGL MIX HGT 4200 5800 5500
MAX VENT RT 25000 46200 51800
T WIND DIR NW W NW
T WIND SPD 5 6 8
ADI 25 46 49
MAX LVORI 6 10 10
STABILITY F A A F F B A G F B A
CEILING NONE NONE NONE NONE NONE NONE 9800 6300 NONE 23500 8900
STA PRES 27.95 27.92 27.87 27.91 27.93 27.94 27.84 27.88 27.90 27.89 27.84
DATE SUN 08/23/26 MON 08/24/26 TUE 08/25/26 WED 08/26/26
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 62 86 59 86 61 87 63 89
TEMP 67 63 84 76 63 61 84 76 64 62 85 77 67 64 86 78
DEWPT 65 63 64 63 60 58 61 62 60 59 65 65 64 63 68 68
PWIND DIR NW NW N NW N W N SW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW FW FW FW FW SC SC FW SC SC FW SC SC B1 SC
POP 12HR 5 0 5 10 5 30 10 40
RAIN SHWRS C S C C
TSTMS 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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