892
FOUS54 KMRX 200847
PFMMRX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE MORRISTOWN TN
446 AM EDT SUN SEP 20 2026
TNZ017-202000-
TRI CITIES AIRPORT-SULLIVAN TN
36.50N 82.41W ELEV. 1536 FT
446 AM EDT SUN SEP 20 2026
DATE SUN 09/20/26 MON 09/21/26 TUE 09/22/26
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 66 88 65 83
TEMP 67 66 78 84 87 79 71 68 67 66 78 86 87 78 70 68 66 65 76 81 78 71
DEWPT 67 66 71 71 70 70 69 68 66 66 71 70 69 70 69 68 66 65 70 71 71 69
RH 100100 79 65 57 74 93100 97100 79 59 55 76 97100100100 82 72 79 93
WIND DIR E S SW W W W SE N N SE SW SW W SE E E E E N NW NW E
WIND SPD 1 1 4 4 3 1 1 0 0 1 3 4 3 2 1 1 0 1 1 3 3 3
CLOUDS SC SC FW SC FW FW SC SC SC SC SC FW FW SC B1 B1 B1 B2 B1 B1 B1 B2
POP 12HR 20 10 30 60 90
QPF 12HR 0 0 0.04 0.19 0.51
RAIN SHWRS S L L C C C C D D L
TSTMS S C S S C C S
OBVIS PF
HEAT INDEX 90 92 91 91 84
MAX HEAT 91 93 92 93 85 87
DATE WED 09/23/26 THU 09/24/26 FRI 09/25/26 SAT 09/26/26
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 75 57 74 54 73 51 73
TEMP 66 63 72 68 60 58 70 66 57 55 70 65 54 52 71 65
DEWPT 66 63 68 64 60 58 64 61 57 55 60 57 54 52 56 55
PWIND DIR NE E E NE NE N NE N
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B1 B1 B2 B1 B1 B1 B2 SC SC SC B1 SC SC FW SC SC
POP 12HR 70 80 60 40 10 10 5 5
RAIN SHWRS L L D D L C C C
TSTMS S S C S S S
TNZ071-202000-
KNOXVILLE MCGHEE TYSON AIRPORT-BLOUNT TN
35.80N 83.98W ELEV. 979 FT
446 AM EDT SUN SEP 20 2026
DATE SUN 09/20/26 MON 09/21/26 TUE 09/22/26
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 93 70 93 69 88
TEMP 71 70 81 90 92 84 77 73 72 70 82 90 92 83 75 72 71 69 79 87 83 74
DEWPT 69 69 72 72 71 71 71 70 69 69 72 72 71 71 71 70 69 69 72 72 72 71
RH 93 97 74 56 51 65 82 90 90 97 72 56 51 67 87 93 93100 79 61 70 90
WIND DIR SW S SW W W SE S W SW SE S SW W SE E SE SE N W W NW NE
WIND SPD 2 2 3 3 2 3 3 2 2 2 2 3 3 3 2 1 1 0 1 3 4 3
CLOUDS SC SC FW FW FW SC FW FW SC FW FW SC SC SC B1 B1 B2 B1 SC B1 SC B1
POP 12HR 10 10 40 60 90
QPF 12HR 0 0 0.07 0.08 0.25
RAIN SHWRS S L L C C C C D D L
TSTMS S C C C S
HEAT INDEX 85 97 99 89 87 97 99 88 94 88
MAX HEAT 97 99 83 97 99 94 94
DATE WED 09/23/26 THU 09/24/26 FRI 09/25/26 SAT 09/26/26
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 66 80 61 78 58 76 55 76
TEMP 69 66 77 72 65 62 75 71 61 59 73 69 60 56 74 68
DEWPT 69 66 71 69 65 62 67 64 61 59 63 62 59 56 61 59
PWIND DIR NE NW NE N NE NE NE NE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B1 B1 B1 B1 B1 B1 B1 SC SC SC B1 SC FW SC SC SC
POP 12HR 70 90 50 30 10 10 5 5
RAIN SHWRS L L D D C C C C
TSTMS S S C S S
TNZ036-202000-
OAK RIDGE-ANDERSON TN
36.00N 84.24W ELEV. 913 FT
446 AM EDT SUN SEP 20 2026
DATE SUN 09/20/26 MON 09/21/26 TUE 09/22/26
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 70 92 68 87
TEMP 70 70 80 89 90 80 74 72 70 70 81 89 89 78 73 71 69 68 78 85 82 73
DEWPT 69 69 73 73 73 73 71 70 70 69 74 73 72 72 71 70 69 68 73 73 73 72
RH 97 97 79 59 58 79 90 93100 97 79 59 57 82 93 97100100 85 67 74 97
WIND DIR SW SW SW SW W W SW SW SW SW SW SW W N N NE N N W W N NE
WIND SPD 1 1 3 2 1 1 1 1 1 1 2 2 2 1 1 1 0 0 1 2 2 2
CLOUDS SC SC SC FW SC SC FW SC SC SC SC SC SC B2 B1 B1 B1 B1 B1 B1 B1 B1
POP 12HR 10 10 40 50 90
QPF 12HR 0 0 0 0.04 0.30
RAIN SHWRS S C C C C C C D D L
TSTMS S C C C S
HEAT INDEX 84 97 98 84 86 97 96 92 87
MAX HEAT 97 100 97 99 92 93
DATE WED 09/23/26 THU 09/24/26 FRI 09/25/26 SAT 09/26/26
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 79 60 77 57 76 54 76
TEMP 68 65 76 71 64 61 74 70 60 58 73 67 57 55 74 66
DEWPT 68 65 72 68 64 61 66 64 60 58 63 61 57 55 61 59
PWIND DIR N N N N N NE N NE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC FW SC SC SC
POP 12HR 60 80 50 30 5 10 0 5
RAIN SHWRS L L L D C C C C
TSTMS S C S S
TNZ099-202000-
CHATTANOOGA AIRPORT-HAMILTON TN
35.03N 85.22W ELEV. 688 FT
446 AM EDT SUN SEP 20 2026
DATE SUN 09/20/26 MON 09/21/26 TUE 09/22/26
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 95 72 95 70 92
TEMP 73 72 83 92 94 86 78 75 73 72 84 92 94 85 77 73 72 71 83 91 88 79
DEWPT 71 71 73 72 70 72 72 72 71 71 73 72 70 71 71 71 70 70 72 72 71 72
RH 93 97 72 52 46 63 82 90 93 97 70 52 46 63 82 93 93 97 70 54 57 79
WIND DIR S S S SW W S S S S S S SW SW NE NW N N N SE NW NW NE
WIND SPD 2 2 3 2 2 2 1 1 1 1 1 2 3 2 1 0 0 0 1 2 4 3
CLOUDS FW FW FW FW SC SC FW FW FW FW FW FW B1 SC B1 SC B1 SC SC SC SC SC
POP 12HR 20 10 40 50 70
QPF 12HR 0.02 0 0.07 0.50 0.11
RAIN SHWRS C C C C C L L C
TSTMS C C S S S C C
HEAT INDEX 89100100 92 90100100 90 88 99 94
MAX HEAT 100 101 85 100 100 85 99 99
DATE WED 09/23/26 THU 09/24/26 FRI 09/25/26 SAT 09/26/26
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 68 84 63 82 61 81 58 81
TEMP 71 68 81 77 67 64 78 75 64 62 78 74 62 59 79 73
DEWPT 70 68 70 68 65 63 66 65 63 61 63 62 59 58 61 60
PWIND DIR NE NE NE N NE N N NE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC B1 SC SC B1 SC SC SC SC SC SC FW SC SC SC
POP 12HR 50 70 40 20 10 10 0 10
RAIN SHWRS C C L L C S S
TSTMS C S S
NCZ060-202000-
TUSQUITEE RAWS-FORESTRY-CHEROKEE NC
35.07N 84.12W ELEV. 1600 FT
446 AM EDT SUN SEP 20 2026
DATE SUN 09/20/26 MON 09/21/26 TUE 09/22/26
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 65 90 64 86
TEMP 67 65 78 87 85 75 70 68 66 65 79 88 85 75 69 67 66 64 77 85 80 71
DEWPT 67 65 72 72 71 71 70 68 66 65 72 71 70 70 69 67 66 64 72 72 72 70
RH 100100 82 61 63 87100100100100 79 57 61 84100100100100 85 65 77 97
MIN/MAX RH 57 100 56 100 65
WIND DIR N SE N NW N S N N N N N NW SW N N N N N N W NW N
WIND DIR DEG 0 12 0 31 33 18 0 0 0 0 0 30 23 0 0 0 0 0 0 25 30 0
WIND SPD 0 1 0 2 2 1 0 0 0 0 0 2 2 0 0 0 0 0 0 2 1 0
CLOUDS SC SC FW FW SC SC FW SC SC B1 SC SC SC SC B1 B1 B1 B2 SC B1 B1 SC
CLOUDS (%) 49 47 13 23 29 30 23 29 39 64 34 34 44 43 54 59 68 75 44 62 53 41
VSBY 7 7 10 10 10 10 9 7 7 7 10
POP 12HR 40 10 40 50 90
QPF 12HR 0.05 0 0.08 0.10 0.39
RAIN SHWRS S S S C C C C C C C D D L
TSTMS S S S C C S S S S C C S
HEAT INDEX 94 90 94 90 91 84
MAX HEAT 94 96 94 95 91 90
CHANCETHUNDER 40 10 40 30 50
MAX MIX HGT
AGL MIX HGT 4800 5600 4200
MAX VENT RT 23500 22200 21200
T WIND DIR N SW W
T WIND SPD 4 4 4
ADI 23 22 21
MAX LVORI 10 10 10
STABILITY G B B G F B B F F B B
CEILING NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE
STA PRES 27.93 27.88 27.87 27.86 27.88 27.87 27.84 27.88 27.89 27.90 27.92
DATE WED 09/23/26 THU 09/24/26 FRI 09/25/26 SAT 09/26/26
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 61 79 57 76 55 75 52 76
TEMP 66 62 76 70 62 59 74 67 59 56 74 66 56 53 74 65
DEWPT 66 62 70 67 62 59 66 63 59 56 63 60 56 53 61 58
PWIND DIR N SW SE N N NW N NW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC B1 B1 B1 SC B1 B2 SC FW SC B2 SC FW SC B1 SC
POP 12HR 60 80 40 40 10 20 5 10
RAIN SHWRS L C L D C S C C S
TSTMS S C S S 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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