603
FOUS54 KMRX 201827
PFMMRX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE MORRISTOWN TN
226 PM EDT SUN SEP 20 2026
TNZ017-210800-
TRI CITIES AIRPORT-SULLIVAN TN
36.50N 82.41W ELEV. 1536 FT
226 PM EDT SUN SEP 20 2026
DATE 09/20/26 MON 09/21/26 TUE 09/22/26 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 66 88 65 83 63
TEMP 85 77 71 68 67 67 78 85 84 76 70 68 66 65 75 81 77 71 68 66 64 63
DEWPT 69 69 68 67 66 66 70 70 69 69 69 67 66 65 70 71 70 69 68 66 64 63
RH 59 76 90 97 97 97 76 61 61 79 97 97100100 84 72 79 93100100100100
WIND DIR NW SE SE E N S SW W W E SE E E E N NW NW NE NE NE E E
WIND SPD 2 1 0 0 0 0 2 4 3 2 1 0 0 1 1 3 3 2 2 2 3 3
CLOUDS SC SC SC FW SC SC SC SC SC B1 B1 B1 B1 B2 B1 B1 B2 B2 B1 B1 B1 B2
POP 12HR 10 40 60 80 70
QPF 12HR 0 0.07 0.04 0.30 0.23
RAIN SHWRS S S S S C S S C C C C D D L L L L L
TSTMS S S S C S S C C S
HEAT INDEX 89 90 88 85
MAX HEAT 93 91 94 85 85
DATE 09/23 THU 09/24/26 FRI 09/25/26 SAT 09/26/26 SUN 09/27/26
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 77 59 73 54 73 50 74 50 77
TEMP 75 68 61 60 70 67 58 55 70 66 55 51 71 65 54 51 74 67
DEWPT 69 66 61 60 65 61 58 55 59 56 53 51 55 54 51 50 55 57
PWIND DIR E E NE NE N NE N NE N
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS B1 B1 B1 B1 B1 B1 SC SC SC SC SC FW SC FW FW FW SC SC
POP 12HR 90 70 30 5 5 0 0 0 5
RAIN SHWRS L D L C C S
TSTMS S C S S
TNZ071-210800-
KNOXVILLE MCGHEE TYSON AIRPORT-BLOUNT TN
35.80N 83.98W ELEV. 979 FT
226 PM EDT SUN SEP 20 2026
DATE 09/20/26 MON 09/21/26 TUE 09/22/26 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 92 69 88 66
TEMP 92 84 77 74 72 71 82 90 90 80 75 72 71 69 78 86 82 75 71 70 68 66
DEWPT 70 70 70 69 69 69 72 72 71 71 71 70 69 69 72 73 72 71 70 69 68 66
RH 49 63 79 84 90 93 72 56 54 74 87 93 93100 82 65 72 87 97 97100100
WIND DIR W SW SW SW W S SW W W W SW SW N E NW N N N NE NE N N
WIND SPD 2 3 2 2 2 2 3 3 3 3 2 1 0 1 1 2 3 3 2 1 0 1
CLOUDS FW SC FW SC SC B1 SC B1 FW B1 B2 B2 B1 SC SC B1 B1 B2 B1 B1 B2 B2
POP 12HR 10 40 40 90 70
QPF 12HR 0 0.04 0 0.23 0.28
RAIN SHWRS C C C C S C C C D D L L L L L
TSTMS C C S C C S S S
HEAT INDEX 98 88 87 97 96 83 93 87
MAX HEAT 98 83 97 98 93 93
DATE 09/23 THU 09/24/26 FRI 09/25/26 SAT 09/26/26 SUN 09/27/26
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 81 64 77 61 77 56 77 55 80
TEMP 79 72 66 65 74 71 63 61 75 71 61 57 75 70 60 56 77 71
DEWPT 72 69 66 65 68 66 63 61 64 62 59 57 61 59 57 55 59 60
PWIND DIR N NE NE NE N NE NE NE NE
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS B1 B1 B1 B1 B2 SC SC SC B1 SC SC SC SC SC SC SC SC SC
POP 12HR 80 70 50 10 20 5 5 5 5
RAIN SHWRS L D L C C C S
TSTMS S C S
TNZ036-210800-
OAK RIDGE-ANDERSON TN
36.00N 84.24W ELEV. 913 FT
226 PM EDT SUN SEP 20 2026
DATE 09/20/26 MON 09/21/26 TUE 09/22/26 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 70 91 68 87 65
TEMP 91 82 74 72 71 70 81 89 88 78 73 71 69 69 78 85 81 73 70 68 67 65
DEWPT 72 72 71 70 69 69 73 73 72 72 71 70 69 69 73 73 73 72 70 68 67 65
RH 54 72 90 93 93 97 77 59 59 82 93 97100100 85 67 77 97100100100100
WIND DIR SW S N SW W SW SW SW W W W N N NE N N N N N N N N
WIND SPD 1 1 0 1 1 1 2 2 2 1 1 0 0 1 0 1 2 2 2 1 1 1
CLOUDS FW SC FW SC SC B1 SC SC SC B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B2 B2
POP 12HR 10 50 50 90 70
QPF 12HR 0 0.08 0.08 0.24 0.18
RAIN SHWRS S C S C S C C C D D L L L L L
TSTMS S C S S C C S S S
HEAT INDEX 99 87 86 97 95 92 86
MAX HEAT 99 97 98 92 92
DATE 09/23 THU 09/24/26 FRI 09/25/26 SAT 09/26/26 SUN 09/27/26
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 80 63 77 59 77 56 78 55 80
TEMP 78 71 66 64 74 70 62 60 75 69 59 57 75 69 59 56 77 70
DEWPT 72 69 66 64 68 66 62 59 64 62 58 56 61 59 55 54 60 61
PWIND DIR N N NE NE NE NE NE NE NE
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS B2 SC SC B1 B2 SC SC SC B1 SC SC SC SC SC SC SC SC SC
POP 12HR 70 60 50 10 20 0 5 5 5
RAIN SHWRS L L L C C C S
TSTMS S C
TNZ099-210800-
CHATTANOOGA AIRPORT-HAMILTON TN
35.03N 85.22W ELEV. 688 FT
226 PM EDT SUN SEP 20 2026
DATE 09/20/26 MON 09/21/26 TUE 09/22/26 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 95 71 92 68
TEMP 95 86 78 75 73 72 84 93 92 83 77 73 72 71 82 90 87 78 73 71 70 68
DEWPT 70 71 72 71 71 71 73 72 70 72 72 71 71 70 72 72 72 72 72 71 70 68
RH 45 61 82 87 93 97 70 51 49 70 85 93 97 97 72 56 61 82 97100100100
WIND DIR NW S S N S N S S NE S SE N N N S W N N N N N N
WIND SPD 2 2 1 0 1 0 1 2 3 2 1 0 0 0 1 3 4 3 2 1 2 1
CLOUDS SC SC SC SC SC SC FW SC B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC
POP 12HR 10 40 40 80 50
QPF 12HR 0 0.12 0.08 0.21 0.07
RAIN SHWRS S S C C C C S S D D C C C C C
TSTMS S S C C S C C S
HEAT INDEX 102 91 90101 98 88 87 97 94
MAX HEAT 102 85 101 101 84 97 99
DATE 09/23 THU 09/24/26 FRI 09/25/26 SAT 09/26/26 SUN 09/27/26
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 65 81 61 82 59 82 58 83
TEMP 82 76 67 65 78 75 65 62 79 75 63 60 79 74 63 59 81 75
DEWPT 71 70 67 65 67 66 65 62 65 64 61 59 61 60 58 56 59 60
PWIND DIR N NE E SE NE NE NE N N
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS B1 SC SC SC B1 SC SC B1 SC SC SC FW SC SC SC SC SC SC
POP 12HR 70 30 30 10 10 5 5 5 10
RAIN SHWRS C L C S C C
TSTMS C S
NCZ060-210800-
TUSQUITEE RAWS-FORESTRY-CHEROKEE NC
35.07N 84.12W ELEV. 1600 FT
226 PM EDT SUN SEP 20 2026
DATE 09/20/26 MON 09/21/26 TUE 09/22/26 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 65 89 64 86 61
TEMP 86 75 70 68 67 65 78 87 84 74 69 67 66 64 77 84 80 71 68 66 63 62
DEWPT 70 70 70 68 67 65 72 71 71 70 69 67 66 64 72 72 72 71 68 66 63 62
RH 59 84100100100100 82 59 65 87100100100100 85 67 77100100100100100
MAX/MIN RH 100 57 100 67 100
WIND DIR NE SE N N N N N NW W N N N N N N NW NW N N N N N
WIND DIR DEG 4 12 0 0 0 0 0 29 26 0 0 0 0 0 0 29 30 0 0 0 0 0
WIND SPD 1 1 0 0 0 0 0 1 2 0 0 0 0 0 0 2 2 0 0 0 0 0
CLOUDS SC SC FW FW SC B1 SC SC SC SC B1 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B2
CLOUDS (%) 28 32 21 23 39 63 37 39 32 47 64 83 79 55 51 60 57 51 58 56 69 77
VSBY 10 10 10 7 7 7 10 10 10 10 10
POP 12HR 5 50 50 90 50
QPF 12HR 0 0.04 0.25 0.37 0.13
RAIN SHWRS S C C C C C C C C D D C C C C L
TSTMS S S C C C S S C C S
HEAT INDEX 91 93 89 90 84
MAX HEAT 94 93 94 90 90
CHANCETHUNDER 5 40 30 40 20
MAX MIX HGT
AGL MIX HGT 4700 4100
MAX VENT RT 14200 24600
T WIND DIR SW NW
T WIND SPD 3 4
ADI 14 25
MAX LVORI 10 10
STABILITY B G F B B F F B B F F
CEILING NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE 23500
STA PRES 27.85 27.87 27.90 27.88 27.85 27.88 27.91 27.93 27.92 27.96 28.00
DATE 09/23 THU 09/24/26 FRI 09/25/26 SAT 09/26/26 SUN 09/27/26
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 80 58 76 56 76 52 77 51 79
TEMP 78 69 63 60 73 67 60 57 74 67 57 53 75 66 55 52 76 67
DEWPT 71 68 63 60 67 65 60 57 64 61 57 53 61 57 54 52 59 58
PWIND DIR SW SE NE N NW N NW N NW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS B1 SC SC B2 OV SC SC B1 B2 SC FW SC B1 SC SC SC B1 SC
POP 12HR 90 60 50 20 10 5 10 5 10
RAIN SHWRS L D L C C C S
TSTMS S C S
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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