570
FOUS54 KMRX 091827
PFMMRX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE MORRISTOWN TN
227 PM EDT SUN AUG 9 2026
TNZ017-100800-
TRI CITIES AIRPORT-SULLIVAN TN
36.50N 82.41W ELEV. 1536 FT
227 PM EDT SUN AUG 9 2026
DATE 08/09/26 MON 08/10/26 TUE 08/11/26 WED
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 68 87 69 86 68
TEMP 85 80 72 70 69 70 78 84 86 82 74 72 70 71 78 84 86 81 73 71 70 69
DEWPT 71 71 69 68 68 68 71 72 72 72 71 70 70 70 72 73 73 72 70 70 69 69
RH 63 74 90 93 97 93 79 67 63 72 90 93100 97 82 70 65 74 90 97 97100
WIND DIR SW S N N SE SE SW W SW SW SW SW SW SW W W W SW SW SW SW SW
WIND SPD 3 1 0 0 0 0 6 9 9 5 3 2 2 4 6 9 9 5 3 3 3 5
CLOUDS B1 B1 B1 SC SC B1 B2 B1 SC SC FW FW FW B1 SC SC SC SC SC SC SC B1
POP 12HR 10 30 20 50 40
QPF 12HR 0 0 0.03 0.14 0.02
RAIN SHWRS S C S C C C C C C C C L
TSTMS S C S S C C S S S S S
HEAT INDEX 91 83 90 93 87 91 92 85
MAX HEAT 93 92 94 93 94
DATE 08/12 THU 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN 08/16/26
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 69 85 70 83 69 84 69 86
TEMP 82 80 71 71 83 79 72 70 81 78 71 69 82 78 70 70 84 80
DEWPT 73 72 70 70 74 73 71 70 74 73 70 69 72 72 69 69 73 72
PWIND DIR SW SW W SW SW SW W E SW
WIND CHAR GN LT GN LT LT LT LT LT LT
AVG CLOUDS B1 SC SC B1 B1 B2 B1 B1 B1 B2 B1 B1 B1 B1 B1 B1 SC SC
POP 12HR 60 60 70 40 60 50 50 30 40
RAIN SHWRS L L L C C L C C C L C C C C C C S C
TSTMS C L C S C S S C C C C
TNZ071-100800-
KNOXVILLE MCGHEE TYSON AIRPORT-BLOUNT TN
35.80N 83.98W ELEV. 979 FT
227 PM EDT SUN AUG 9 2026
DATE 08/09/26 MON 08/10/26 TUE 08/11/26 WED
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 72 90 73 91 73
TEMP 87 81 77 74 73 73 82 88 90 85 79 76 74 74 83 89 91 85 79 76 74 73
DEWPT 73 72 72 71 70 70 73 74 73 73 72 72 71 71 74 74 74 73 73 72 71 72
RH 63 74 85 90 90 90 74 63 58 67 79 87 90 90 74 61 58 67 82 87 90 97
WIND DIR SW W SE W W S SW W SW SW SW SW S S SW SW SW SW SW SW SW SW
WIND SPD 3 3 2 1 1 2 5 6 8 5 4 3 3 4 5 5 6 5 4 4 5 5
CLOUDS B1 B2 B1 SC B1 SC SC SC SC SC FW CL FW FW FW SC SC SC FW FW FW SC
POP 12HR 10 20 10 40 20
QPF 12HR 0 0.02 0 0 0.01
RAIN SHWRS C S S S C C S S S S L
TSTMS C S S C C S S
HEAT INDEX 94 85 87 97 98 92 90 98101 92
MAX HEAT 97 97 98 87 98 101 89
DATE 08/12 THU 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN 08/16/26
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 89 74 90 74 89 73 91 74 91
TEMP 87 85 76 75 88 84 77 74 87 84 76 74 89 85 76 75 89 85
DEWPT 75 73 73 72 76 75 74 73 76 75 73 72 74 74 72 71 74 73
PWIND DIR SW SW SW SW SW S NW SE SW
WIND CHAR LT LT GN LT LT LT LT LT LT
AVG CLOUDS SC SC SC SC B1 B1 B1 B1 B1 B1 B1 SC B1 B1 B1 SC SC SC
POP 12HR 60 30 50 40 60 20 30 20 30
RAIN SHWRS L L C C C C C C C L S C S C
TSTMS C C C S C S S C C S C S C
TNZ036-100800-
OAK RIDGE-ANDERSON TN
36.00N 84.24W ELEV. 913 FT
227 PM EDT SUN AUG 9 2026
DATE 08/09/26 MON 08/10/26 TUE 08/11/26 WED
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 90 72 91 72
TEMP 88 82 75 73 72 72 81 88 88 82 77 74 73 73 83 89 91 84 77 75 73 72
DEWPT 74 73 72 71 70 71 74 75 75 74 73 72 71 72 75 75 75 74 73 72 71 72
RH 63 74 90 93 93 97 79 66 66 77 87 93 93 97 77 64 60 72 87 90 93100
WIND DIR SW SW SE W SW SW SW SW SW SW SW SW SW SW SW W W SW SW SW SW SW
WIND SPD 2 1 1 1 1 1 3 4 4 2 2 1 2 2 3 4 4 3 2 2 2 2
CLOUDS B1 B1 SC SC SC SC B2 B1 SC SC CL FW SC SC FW SC SC FW FW FW FW SC
POP 12HR 5 30 20 40 20
QPF 12HR 0 0.05 0.02 0 0.01
RAIN SHWRS C C S C C C C S S S S L
TSTMS C C S S C C S S
HEAT INDEX 97 87 86 98 98 88 90 99102 91
MAX HEAT 97 98 101 84 99 102 86
DATE 08/12 THU 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN 08/16/26
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 90 72 90 73 89 72 90 72 91
TEMP 87 83 75 73 88 83 75 73 86 83 75 73 88 83 75 73 88 84
DEWPT 75 74 72 72 76 75 73 73 76 75 72 72 75 74 72 71 75 74
PWIND DIR SW SW SW SW W NW NE N SW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC SC B1 B2 B1 B1 B1 B2 B1 B1 B1 B1 SC SC B1 SC
POP 12HR 60 30 50 40 60 20 30 10 20
RAIN SHWRS L L C S S C C C C L S C S
TSTMS C C C S S C C S C C S C S
TNZ099-100800-
CHATTANOOGA AIRPORT-HAMILTON TN
35.03N 85.22W ELEV. 688 FT
227 PM EDT SUN AUG 9 2026
DATE 08/09/26 MON 08/10/26 TUE 08/11/26 WED
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 92 73 92 74
TEMP 87 82 77 75 73 74 83 90 90 84 79 76 74 75 84 90 91 86 79 76 75 74
DEWPT 73 74 74 73 72 72 75 75 74 75 74 73 73 73 75 75 74 75 74 73 73 73
RH 63 77 90 94 97 93 77 62 60 74 85 90 97 94 74 62 58 70 85 90 94 97
WIND DIR SW S N N N N SW SW SW W S N N SW W W W SW SW SW SW SW
WIND SPD 3 2 0 0 0 0 2 4 4 3 1 0 0 1 3 4 5 3 2 1 1 1
CLOUDS B1 SC FW SC B1 SC SC SC SC B1 FW FW SC FW FW SC SC SC SC FW FW FW
POP 12HR 10 40 10 40 20
QPF 12HR 0 0 0 0 0
RAIN SHWRS C S S C C S S C C S S C
TSTMS C S S C C S C C S
HEAT INDEX 94 88 90101 99 92 92101101 95
MAX HEAT 99 85 101 102 89 101 102 92
DATE 08/12 THU 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN 08/16/26
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 91 74 93 74 92 75 93 74 94
TEMP 88 86 77 75 90 87 77 75 90 86 77 76 91 87 77 75 91 88
DEWPT 76 75 74 73 76 76 75 74 76 76 75 73 75 75 73 73 74 75
PWIND DIR W SW W SW W W W NW W
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC SC SC B1 B1 B1 SC B1 B1 SC SC SC SC SC SC SC
POP 12HR 40 20 20 20 30 10 10 5 20
RAIN SHWRS C C S S S C S
TSTMS C C S S S C S
NCZ060-100800-
TUSQUITEE RAWS-FORESTRY-CHEROKEE NC
35.07N 84.12W ELEV. 1600 FT
227 PM EDT SUN AUG 9 2026
DATE 08/09/26 MON 08/10/26 TUE 08/11/26 WED
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 67 88 68 89 68
TEMP 82 76 71 69 68 67 80 85 87 81 72 70 69 68 81 86 88 81 73 70 68 70
DEWPT 73 72 70 69 68 67 74 73 73 73 71 70 69 68 74 73 73 73 71 70 68 70
RH 74 87 97100100100 82 67 63 77 97100100100 79 65 61 77 93100100100
MAX/MIN RH 100 63 100 61 100
WIND DIR W N N N N N N W W N N N N N W W W W N N N N
WIND DIR DEG 27 0 0 0 0 0 0 27 26 0 0 0 0 0 28 28 27 27 0 0 0 0
WIND SPD 1 0 0 0 0 0 0 3 3 0 0 0 0 0 2 4 3 1 0 0 0 0
CLOUDS B2 B1 B1 SC SC B1 SC B1 SC SC SC SC SC SC FW FW FW SC SC SC SC SC
CLOUDS (%) 72 60 58 34 40 58 47 55 46 48 45 27 30 45 19 25 24 35 26 31 47 44
VSBY 10 10 10 8 7 7 10 10 10 10 10
POP 12HR 10 40 10 40 10
QPF 12HR 0 0.04 0 0.01 0
RAIN SHWRS C C C C S S C C C
TSTMS C C C C S C C S
HEAT INDEX 87 85 92 94 86 86 93 96 86
MAX HEAT 89 92 94 94 96
CHANCETHUNDER 10 40 10 40 10
MAX MIX HGT
AGL MIX HGT 3600 4000
MAX VENT RT 21200 34100
T WIND DIR W NW
T WIND SPD 5 8
ADI 21 36
MAX LVORI 10 10
STABILITY B G F B A G G A A G G
CEILING NONE NONE NONE NONE NONE 11700 8000 NONE NONE NONE NONE
STA PRES 28.00 28.02 28.05 28.06 28.02 28.01 28.03 28.01 27.93 27.93 27.93
DATE 08/12 THU 08/13/26 FRI 08/14/26 SAT 08/15/26 SUN 08/16/26
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 88 69 89 69 88 70 90 69 90
TEMP 87 80 71 70 86 81 72 70 86 81 72 71 87 82 72 70 87 81
DEWPT 74 73 71 70 74 74 71 70 75 74 71 70 73 73 70 69 73 73
PWIND DIR W W NW N W N NW N W
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC B1 SC
POP 12HR 50 20 40 20 50 10 20 10 30
RAIN SHWRS C C S C C S C C S C
TSTMS C C S S C S C 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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