779
FOUS54 KMRX 211827
PFMMRX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE MORRISTOWN TN
226 PM EDT MON SEP 21 2026
TNZ017-220800-
TRI CITIES AIRPORT-SULLIVAN TN
36.50N 82.41W ELEV. 1536 FT
226 PM EDT MON SEP 21 2026
DATE 09/21/26 TUE 09/22/26 WED 09/23/26 THU
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 82 63 77 58
TEMP 84 75 70 68 67 66 72 78 75 70 68 66 65 63 69 74 72 66 63 61 59 58
DEWPT 69 69 68 67 66 66 70 71 70 69 68 66 65 63 68 68 68 65 63 60 59 58
RH 61 82 93 97 97100 93 79 84 97100100100100 97 82 87 97100 97100100
WIND DIR W E E NW E E NE NW E NE NE NE NE E E E E E E E E NE
WIND SPD 3 2 1 1 0 1 1 2 2 2 2 2 3 4 4 6 6 8 6 5 5 4
CLOUDS SC B1 B1 B2 B2 B2 B2 B2 B2 B2 OV B1 B1 B2 B1 B1 B2 B1 B1 B1 B1 B2
POP 12HR 60 80 70 80 60
QPF 12HR 0.11 0.27 0.22 0.25 0.19
RAIN SHWRS C C C C C C C L L L C C C L L D D L L C C S
TSTMS C C C S S S S C C S C C S S
HEAT INDEX 88
MAX HEAT 93 85
DATE 09/24 FRI 09/25/26 SAT 09/26/26 SUN 09/27/26 MON 09/28/26
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 73 54 72 48 73 47 75 49 76
TEMP 70 65 56 55 70 64 52 49 70 63 51 48 72 64 53 51 74 66
DEWPT 64 61 56 55 58 54 51 49 52 51 49 47 53 53 51 50 57 58
PWIND DIR NE NE N NE N NE N NE N
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS B1 SC SC FW SC FW FW FW SC FW FW SC B1 SC SC FW SC SC
POP 12HR 20 5 5 0 0 0 0 5 5
RAIN SHWRS S S
TNZ071-220800-
KNOXVILLE MCGHEE TYSON AIRPORT-BLOUNT TN
35.80N 83.98W ELEV. 979 FT
226 PM EDT MON SEP 21 2026
DATE 09/21/26 TUE 09/22/26 WED 09/23/26 THU
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 69 87 67 82 64
TEMP 89 80 75 72 71 69 76 84 82 75 71 70 68 68 72 79 79 71 68 67 66 64
DEWPT 71 71 71 70 69 69 72 73 72 71 70 69 68 68 71 72 71 69 68 67 66 64
RH 56 74 87 93 93100 87 70 72 87 97 97100100 97 79 77 93100100100100
WIND DIR W S W W NE N N W N E NE NE NE NE NE N N NE NE N N NE
WIND SPD 2 3 2 1 1 0 0 2 3 4 3 2 1 1 1 2 4 4 2 1 0 1
CLOUDS SC B1 OV OV OV OV B2 B2 B1 B1 SC B1 B2 B2 B1 SC SC SC B1 B1 B2 B2
POP 12HR 50 70 50 80 80
QPF 12HR 0.12 0.16 0.05 0.49 0.08
RAIN SHWRS S C C C C C C L C S C C S L L D D D D C C C
TSTMS S C S S C S C C S C C S
HEAT INDEX 95 83 90 87
MAX HEAT 99 90 93 84
DATE 09/24 FRI 09/25/26 SAT 09/26/26 SUN 09/27/26 MON 09/28/26
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 79 60 77 54 77 53 78 54 80
TEMP 76 71 64 61 74 70 59 55 74 69 57 54 76 70 59 55 78 71
DEWPT 69 67 64 61 64 60 56 54 57 55 53 52 56 56 55 54 59 60
PWIND DIR NE NE NE NE NE NE NE NE NE
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS B1 SC SC SC B1 SC FW FW FW FW SC SC SC SC SC SC SC SC
POP 12HR 60 5 10 0 0 0 0 5 10
RAIN SHWRS C L
TSTMS S
TNZ036-220800-
OAK RIDGE-ANDERSON TN
36.00N 84.24W ELEV. 913 FT
226 PM EDT MON SEP 21 2026
DATE 09/21/26 TUE 09/22/26 WED 09/23/26 THU
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 86 66 82 63
TEMP 87 78 73 71 69 68 77 84 80 73 70 68 67 67 72 78 78 70 67 66 65 63
DEWPT 72 72 71 70 69 68 73 73 73 72 70 68 67 67 71 72 72 70 67 66 65 63
RH 61 82 93 97100100 87 70 79 97100100100100 97 82 82100100100100100
WIND DIR SW SW SW N N NE N SW NE NE NE NE NE NE NE N N N NE N NE NE
WIND SPD 1 1 1 0 0 1 0 1 2 2 2 2 1 1 1 2 3 3 2 1 1 1
CLOUDS SC B2 B2 OV OV B2 OV B2 B1 B1 B1 SC B1 B1 B1 SC SC SC SC B1 B2 B2
POP 12HR 40 70 40 70 50
QPF 12HR 0.06 0.19 0.12 0.24 0.02
RAIN SHWRS C C C S C S C L C C C C C L L C C S S C
TSTMS C C S S S S S C C C C S
HEAT INDEX 94 90 84
MAX HEAT 98 90 88
DATE 09/24 FRI 09/25/26 SAT 09/26/26 SUN 09/27/26 MON 09/28/26
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 79 59 77 53 77 52 79 54 80
TEMP 75 70 63 60 74 69 58 54 74 67 57 53 76 69 58 55 77 70
DEWPT 69 66 63 60 63 59 55 52 57 55 51 50 57 56 54 53 60 60
PWIND DIR NE NE NE NE NE NE NE NE E
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS B1 SC SC SC SC SC SC FW SC FW SC SC SC SC SC SC SC SC
POP 12HR 50 0 10 0 5 0 0 5 10
RAIN SHWRS C C
TSTMS S
TNZ099-220800-
CHATTANOOGA AIRPORT-HAMILTON TN
35.03N 85.22W ELEV. 688 FT
226 PM EDT MON SEP 21 2026
DATE 09/21/26 TUE 09/22/26 WED 09/23/26 THU
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 86 65
TEMP 88 82 77 73 72 70 81 89 84 78 73 71 70 68 76 83 81 75 70 68 67 65
DEWPT 72 72 72 71 71 70 73 73 72 72 71 70 70 68 71 71 71 70 69 68 67 65
RH 59 72 85 93 97100 77 59 67 82 93 97100100 85 67 72 84 97100100100
WIND DIR W SW N N N N SE E N N N N N N NE N N N NE N S S
WIND SPD 3 1 0 0 0 0 1 2 4 3 3 2 2 2 2 3 4 4 3 2 2 1
CLOUDS B1 B2 B1 B1 B2 B1 B1 B1 SC B1 B1 B1 B2 B1 B1 SC SC SC B1 B1 B2 B1
POP 12HR 50 70 30 60 40
QPF 12HR 0.02 0.13 0.01 0.13 0.01
RAIN SHWRS C C S C C S C C S C C C L L C C S S S
TSTMS C C S S C C C S C C S
HEAT INDEX 95 87 86 97 90 88 85
MAX HEAT 99 84 97 93 88 88
DATE 09/24 FRI 09/25/26 SAT 09/26/26 SUN 09/27/26 MON 09/28/26
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 62 81 57 82 57 83 57 84
TEMP 78 74 66 62 79 75 63 58 79 73 61 58 81 74 62 58 82 76
DEWPT 68 67 66 62 65 64 60 57 58 57 55 54 56 57 56 55 58 59
PWIND DIR SE S NW N NE N N N E
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS B1 SC SC SC SC SC FW FW FW FW FW SC SC SC FW FW FW SC
POP 12HR 20 5 10 0 0 5 5 5 20
RAIN SHWRS S S S
NCZ060-220800-
TUSQUITEE RAWS-FORESTRY-CHEROKEE NC
35.07N 84.12W ELEV. 1600 FT
226 PM EDT MON SEP 21 2026
DATE 09/21/26 TUE 09/22/26 WED 09/23/26 THU
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 64 86 62 80 58
TEMP 83 74 69 68 66 64 75 83 80 71 68 66 64 63 71 77 76 68 65 63 60 58
DEWPT 71 71 69 68 66 64 72 72 72 70 68 66 64 63 71 72 70 68 65 63 60 58
RH 67 90100100100100 90 70 77 97100100100100100 85 82100100100100100
MAX/MIN RH 100 67 100 82 100
WIND DIR SE N N N N N N N S N N N N N N SW S SE SE SE N N
WIND DIR DEG 13 0 0 0 0 0 0 0 18 0 0 0 0 0 0 23 18 12 13 14 0 0
WIND SPD 1 0 0 0 0 0 0 2 2 0 0 0 0 0 0 2 2 1 2 1 0 0
CLOUDS B1 B1 B1 B2 B2 OV B2 B2 B2 B1 B1 B1 B1 B2 B1 SC SC SC B1 B2 B2 B2
CLOUDS (%) 60 59 64 73 75 90 76 85 82 62 52 66 68 84 57 47 49 48 69 76 73 83
VSBY 10 10 8 7 7 7 10 6 6 10 10
POP 12HR 50 80 50 90 60
QPF 12HR 0.13 0.27 0.14 0.26 0.02
RAIN SHWRS C C S C C S L L S C C C C C D D L L S S S
TSTMS C C S C C S C C S C C S
HEAT INDEX 88 88 84
MAX HEAT 95 88 90
CHANCETHUNDER 40 50 20 40 20
MAX MIX HGT
AGL MIX HGT 3100 3400
MAX VENT RT 9300 16500
T WIND DIR S S
T WIND SPD 3 4
ADI 9 17
MAX LVORI 10 10
STABILITY B F D B B F D B B F D
CEILING NONE NONE NONE NONE NONE NONE 23500 23500 NONE 11700 NONE
STA PRES 27.85 27.88 27.92 27.91 27.90 27.94 27.99 28.01 28.00 28.03 28.04
DATE 09/24 FRI 09/25/26 SAT 09/26/26 SUN 09/27/26 MON 09/28/26
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 76 55 76 51 77 49 78 51 79
TEMP 73 66 60 56 73 66 56 52 75 65 54 50 76 67 55 52 78 68
DEWPT 67 65 60 56 64 60 56 52 57 54 51 49 55 55 52 49 57 58
PWIND DIR NE SE NW N NW N NW N NW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS B1 SC SC B1 B2 SC FW FW B1 SC FW SC B1 SC FW SC SC SC
POP 12HR 60 20 10 0 5 0 5 5 10
RAIN SHWRS S L S
TSTMS 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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