561
FOUS54 KMRX 190627
PFMMRX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE MORRISTOWN TN
226 AM EDT WED AUG 19 2026
TNZ017-192000-
TRI CITIES AIRPORT-SULLIVAN TN
36.50N 82.41W ELEV. 1536 FT
226 AM EDT WED AUG 19 2026
DATE WED 08/19/26 THU 08/20/26 FRI 08/21/26
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 85 66 84
TEMP 65 66 77 85 86 81 72 69 68 69 76 81 83 78 71 69 68 67 75 81 82 77
DEWPT 65 66 68 67 66 67 66 65 64 66 68 70 70 70 69 68 67 67 70 71 71 69
RH 100100 74 55 51 63 81 87 87 90 76 69 65 76 93 97 97100 84 72 69 76
WIND DIR N N W W W S N SE S NW SW SW W NW N NE E E SW SW W S
WIND SPD 0 0 1 3 3 1 0 0 0 1 3 9 8 4 2 2 2 1 2 4 4 2
CLOUDS SC SC FW FW SC FW SC FW SC B2 B2 B2 FW FW B1 B1 B1 B2 B1 B1 SC SC
POP 12HR 0 5 50 60 70
QPF 12HR 0 0 0.13 0.08 0.15
RAIN SHWRS C C S C C L L C C L L C
TSTMS S S S C C S S S C C S
OBVIS F F
HEAT INDEX 85 87 85 87
MAX HEAT 88 90 86 89 87 90
DATE SAT 08/22/26 SUN 08/23/26 MON 08/24/26 TUE 08/25/26
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 84 63 84 61 84 62 86
TEMP 67 67 82 77 66 65 81 76 63 63 81 76 64 64 83 78
DEWPT 67 67 69 66 65 65 65 62 61 61 62 62 60 61 64 64
PWIND DIR SE W W W N NW NE NW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC FW SC SC SC FW FW FW SC SC FW FW SC SC
POP 12HR 30 20 20 10 5 5 10 20
RAIN SHWRS C S S S
TSTMS S S S S
TNZ071-192000-
KNOXVILLE MCGHEE TYSON AIRPORT-BLOUNT TN
35.80N 83.98W ELEV. 979 FT
226 AM EDT WED AUG 19 2026
DATE WED 08/19/26 THU 08/20/26 FRI 08/21/26
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 71 90 71 89
TEMP 69 69 82 89 90 85 77 75 73 72 80 87 87 82 76 74 72 71 79 86 88 82
DEWPT 67 67 69 68 67 68 68 67 67 67 71 72 73 72 72 71 70 70 73 73 73 71
RH 93 93 65 50 47 57 74 76 81 84 74 61 63 72 87 90 93 97 82 65 61 69
WIND DIR N N N NW NW S S S SW W S SW SW NW NE E NE SE SW W W N
WIND SPD 0 0 1 2 3 2 2 1 1 3 3 8 6 5 4 3 3 1 1 3 5 3
CLOUDS SC FW CL FW SC SC SC SC B1 B2 B2 B1 FW SC B1 B1 B2 B1 SC SC SC SC
POP 12HR 0 10 60 50 50
QPF 12HR 0 0 0.07 0.12 0.07
RAIN SHWRS L C S C C C C C C C C S
TSTMS S C S C S S S C C S
HEAT INDEX 85 93 93 88 83 94 94 87 93 96 86
MAX HEAT 93 94 84 94 97 93 96
DATE SAT 08/22/26 SUN 08/23/26 MON 08/24/26 TUE 08/25/26
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 89 68 89 66 88 67 90
TEMP 72 69 86 83 71 69 86 82 70 67 86 82 70 68 88 84
DEWPT 70 69 69 67 67 66 66 64 64 63 64 63 64 63 66 65
PWIND DIR NE W N N NE N NE NW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC FW SC SC FW FW SC SC SC SC SC SC SC SC
POP 12HR 20 10 5 5 5 5 10 20
RAIN SHWRS S S S
TSTMS S S
TNZ036-192000-
OAK RIDGE-ANDERSON TN
36.00N 84.24W ELEV. 913 FT
226 AM EDT WED AUG 19 2026
DATE WED 08/19/26 THU 08/20/26 FRI 08/21/26
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 71 88 70 88
TEMP 67 68 81 88 91 84 77 74 72 72 78 84 87 82 75 72 71 70 78 84 87 81
DEWPT 65 65 70 69 69 70 68 68 68 69 72 73 74 73 72 71 70 70 73 73 74 72
RH 93 90 69 54 49 63 74 82 87 90 82 70 65 74 90 97 97100 85 70 65 74
WIND DIR N N N N SW S N N SW SW SW SW W N N NE N E N SW W NW
WIND SPD 0 0 0 0 1 1 0 0 1 1 2 5 4 3 3 3 3 1 0 2 2 1
CLOUDS FW FW CL FW SC SC SC SC B1 B2 B2 B1 SC SC B1 B1 B1 B1 B1 SC SC SC
POP 12HR 0 20 70 50 50
QPF 12HR 0 0.02 0.09 0.18 0.09
RAIN SHWRS S L L C C C C C C C C C
TSTMS S S C C C S S S C C
HEAT INDEX 85 92 96 88 90 95 87 90 95 85
MAX HEAT 92 96 83 90 95 90 95
DATE SAT 08/22/26 SUN 08/23/26 MON 08/24/26 TUE 08/25/26
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 89 66 88 64 88 66 89
TEMP 71 68 86 81 69 68 84 80 68 65 83 80 69 67 85 82
DEWPT 70 68 70 68 67 66 67 66 63 63 65 65 63 63 67 67
PWIND DIR N W NW NW N N NE NW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC FW FW SC SC SC FW SC SC SC FW SC SC SC
POP 12HR 10 10 5 5 5 5 10 20
RAIN SHWRS S S
TSTMS S
TNZ099-192000-
CHATTANOOGA AIRPORT-HAMILTON TN
35.03N 85.22W ELEV. 688 FT
226 AM EDT WED AUG 19 2026
DATE WED 08/19/26 THU 08/20/26 FRI 08/21/26
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 95 73 95 73 92
TEMP 70 70 83 92 95 89 80 76 74 74 84 92 93 87 79 76 74 73 81 89 90 85
DEWPT 68 68 69 67 66 69 69 69 69 69 72 72 73 73 74 73 73 72 74 73 73 72
RH 93 93 63 44 39 52 69 79 84 84 67 52 52 63 85 90 97 97 79 59 58 65
WIND DIR N N N N N SE N N N N N N W W NW N N E SW W W NW
WIND SPD 0 0 1 2 2 2 0 0 0 1 2 5 6 4 3 2 2 1 2 3 4 3
CLOUDS FW CL CL FW SC FW SC SC SC SC SC SC FW FW SC SC B1 SC SC SC SC SC
POP 12HR 0 10 30 30 50
QPF 12HR 0 0 0.05 0.50 0.03
RAIN SHWRS C S S C C C C C C C C
TSTMS S S S C S S S S C C
HEAT INDEX 87 96 98 94 83 90100102 94 86 97 98 91
MAX HEAT 96 98 87 100 102 88 97 100
DATE SAT 08/22/26 SUN 08/23/26 MON 08/24/26 TUE 08/25/26
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 93 70 93 69 92 70 94
TEMP 74 72 90 85 73 71 90 85 72 70 89 85 73 71 90 87
DEWPT 72 71 68 68 69 68 66 65 66 65 64 65 66 65 66 66
PWIND DIR N NW NW N N N N NW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC FW FW FW FW FW SC FW SC FW SC SC FW FW SC
POP 12HR 10 5 0 20 5 20 20 30
RAIN SHWRS S S S S C S
TSTMS S S
NCZ060-192000-
TUSQUITEE RAWS-FORESTRY-CHEROKEE NC
35.07N 84.12W ELEV. 1600 FT
226 AM EDT WED AUG 19 2026
DATE WED 08/19/26 THU 08/20/26 FRI 08/21/26
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 67 91 67 88
TEMP 64 64 80 89 90 81 72 70 68 68 81 88 88 79 73 70 69 67 79 85 86 78
DEWPT 64 64 69 67 66 68 66 65 64 65 70 71 71 72 71 69 68 67 73 73 72 71
RH 100100 69 48 45 65 81 84 87 90 69 57 57 79 93 97 97100 82 67 63 79
MIN/MAX RH 45 90 54 100 61
WIND DIR N N N NW NW N N N N N NW NW W NW N N N N SW W W W
WIND DIR DEG 0 0 0 30 31 0 0 0 0 0 32 30 28 31 0 0 0 0 22 26 26 28
WIND SPD 0 0 0 3 3 0 0 0 0 0 1 5 5 2 2 2 2 0 1 3 3 1
CLOUDS B1 SC FW FW FW SC SC B1 B1 SC B1 SC FW FW SC B1 B2 B2 SC SC SC SC
CLOUDS (%) 52 50 25 7 12 26 31 53 51 50 56 27 22 10 31 53 71 77 47 46 45 35
VSBY 6 6 10 10 10 10 10 10 7 7 10
POP 12HR 0 5 30 30 70
QPF 12HR 0 0 0.02 0.14 0.20
RAIN SHWRS S S C C L L L L S
TSTMS S S S S C C S
OBVIS F F
HEAT INDEX 83 92 93 84 85 94 94 92 92
MAX HEAT 92 93 94 96 92 94
CHANCETHUNDER 0 5 20 20 40
MAX MIX HGT
AGL MIX HGT 3700 4900 3800
MAX VENT RT 21600 38800 31000
T WIND DIR N NW W
T WIND SPD 5 6 6
ADI 22 39 30
MAX LVORI 10 7 10
STABILITY F A A G G A A F F A A
CEILING 23500 18200 18200 20800 NONE NONE NONE NONE NONE 15900 8900
STA PRES 27.90 27.89 27.87 27.89 27.95 27.93 27.88 27.92 27.94 27.93 27.88
DATE SAT 08/22/26 SUN 08/23/26 MON 08/24/26 TUE 08/25/26
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 61 87 63 89
TEMP 68 65 85 78 67 64 85 77 66 62 85 77 66 64 86 79
DEWPT 68 65 69 67 65 63 66 65 62 61 64 64 63 62 66 66
PWIND DIR W NW NW NW NW NW NW W
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC B1 SC FW FW SC SC FW FW SC SC SC FW SC B1 SC
POP 12HR 20 5 5 5 5 10 20 30
RAIN SHWRS S S S S 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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