502
FOUS54 KMRX 221827
PFMMRX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE MORRISTOWN TN
226 PM EDT SAT AUG 22 2026
TNZ017-230800-
TRI CITIES AIRPORT-SULLIVAN TN
36.50N 82.41W ELEV. 1536 FT
226 PM EDT SAT AUG 22 2026
DATE 08/22/26 SUN 08/23/26 MON 08/24/26 TUE
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 63 81 57 82 57
TEMP 82 73 68 65 64 64 70 78 79 73 64 61 58 59 71 79 81 73 64 60 58 59
DEWPT 68 68 66 65 64 64 63 60 59 59 58 57 56 57 59 58 57 58 56 55 54 55
RH 63 84 93100100100 78 54 50 62 81 87 93 93 66 49 44 59 75 84 86 87
WIND DIR W SW W W W W W W W W N N N E W W W W NE NE NE E
WIND SPD 9 4 2 1 1 0 3 8 9 3 0 0 0 0 1 5 5 2 1 2 2 2
CLOUDS FW SC B1 SC SC B1 SC SC FW SC SC FW FW SC FW SC FW SC SC FW SC SC
POP 12HR 50 5 0 0 0
QPF 12HR 0.15 0 0 0 0
RAIN SHWRS C C C
TSTMS C C S
OBVIS PF PF PF
HEAT INDEX 85
MAX HEAT 88 81 81 82
DATE 08/25 WED 08/26/26 THU 08/27/26 FRI 08/28/26 SAT 08/29/26
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 84 61 87 66 85 65 86 64 87
TEMP 81 75 63 63 84 78 68 67 82 76 67 67 83 78 67 65 84 79
DEWPT 58 59 57 58 63 64 64 65 69 68 66 66 68 67 65 65 67 66
PWIND DIR NW NE SW SE SW SW W NW N
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS SC FW FW FW SC SC B1 SC B1 B1 SC SC B1 SC SC FW SC SC
POP 12HR 0 0 20 30 50 30 20 20 20
RAIN SHWRS S C C C C C S S S S S
TSTMS S S S C S S S
TNZ071-230800-
KNOXVILLE MCGHEE TYSON AIRPORT-BLOUNT TN
35.80N 83.98W ELEV. 979 FT
226 PM EDT SAT AUG 22 2026
DATE 08/22/26 SUN 08/23/26 MON 08/24/26 TUE
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 87 62 87 63
TEMP 88 81 74 71 68 67 77 85 86 79 71 67 64 63 77 85 86 79 70 67 64 64
DEWPT 67 67 67 67 66 65 65 62 60 60 61 60 59 59 61 59 58 59 59 59 58 58
RH 50 63 79 87 93 93 67 46 42 52 71 78 84 87 58 41 39 50 68 75 81 81
WIND DIR W W W SW N N N NW NW NW E N N E NE NW NW E E NE E E
WIND SPD 6 5 2 1 0 0 1 4 4 3 1 0 0 1 1 3 3 3 2 2 2 3
CLOUDS FW SC SC SC B1 SC FW FW FW FW SC FW SC FW FW SC FW SC SC SC SC FW
POP 12HR 20 0 0 0 5
QPF 12HR 0 0 0 0 0
RAIN SHWRS S
TSTMS S
HEAT INDEX 91
MAX HEAT 94 86 86 85 85
DATE 08/25 WED 08/26/26 THU 08/27/26 FRI 08/28/26 SAT 08/29/26
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 66 91 69 88 68 89 68 90
TEMP 86 80 69 67 88 83 72 70 85 80 72 69 87 82 71 69 88 83
DEWPT 61 61 62 62 67 66 67 67 71 69 69 68 70 68 68 67 69 67
PWIND DIR N E SW SW SW S W NE N
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS SC FW FW SC SC SC B1 B1 B1 B1 SC SC SC SC SC SC SC SC
POP 12HR 5 10 20 40 50 20 20 20 20
RAIN SHWRS S C C C C S S S S S S
TSTMS S C S C S S S
TNZ036-230800-
OAK RIDGE-ANDERSON TN
36.00N 84.24W ELEV. 913 FT
226 PM EDT SAT AUG 22 2026
DATE 08/22/26 SUN 08/23/26 MON 08/24/26 TUE
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 87 61 87 62
TEMP 89 81 73 68 66 65 77 83 86 78 68 64 62 62 75 83 86 77 68 65 64 63
DEWPT 68 67 67 66 64 64 65 62 61 62 61 59 58 59 62 61 60 61 59 58 57 58
RH 50 63 81 93 93 97 67 49 43 58 78 84 87 90 64 47 42 58 73 78 78 84
WIND DIR W W W NW N N N NW NW NW N N N NE N N NW NE N NE NE NE
WIND SPD 5 3 2 1 1 1 0 2 3 2 1 0 1 1 0 0 1 2 2 2 2 2
CLOUDS FW SC SC FW SC FW SC FW FW SC SC SC B1 SC FW SC FW SC SC SC SC SC
POP 12HR 20 0 0 0 5
QPF 12HR 0.04 0 0 0 0
RAIN SHWRS S
TSTMS S
OBVIS PF
HEAT INDEX 93
MAX HEAT 93 84 86 83 86
DATE 08/25 WED 08/26/26 THU 08/27/26 FRI 08/28/26 SAT 08/29/26
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 65 90 68 88 67 89 67 90
TEMP 83 78 67 66 86 81 71 69 84 79 70 68 86 81 70 68 87 82
DEWPT 62 63 61 61 67 68 67 67 71 70 69 68 71 69 67 67 70 68
PWIND DIR NE NE SW SW SW W NW N NE
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS SC FW FW FW SC SC SC B1 B1 B1 SC SC B1 SC SC FW SC SC
POP 12HR 5 10 20 40 50 20 30 20 20
RAIN SHWRS S C C C C S S S C S S
TSTMS S C S C S C S
TNZ099-230800-
CHATTANOOGA AIRPORT-HAMILTON TN
35.03N 85.22W ELEV. 688 FT
226 PM EDT SAT AUG 22 2026
DATE 08/22/26 SUN 08/23/26 MON 08/24/26 TUE
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 91 65 91 67
TEMP 93 86 77 73 71 70 81 89 90 82 73 69 67 66 79 88 90 81 73 70 68 68
DEWPT 66 69 69 68 67 67 66 63 60 62 62 62 61 61 63 61 60 62 62 61 61 61
RH 41 57 76 84 87 90 60 42 37 51 68 78 81 84 58 40 37 53 68 73 78 78
WIND DIR NW NW NW N N N N N NW N N N N N NE NW NW N N N N N
WIND SPD 6 3 1 1 2 2 3 4 6 4 2 1 1 1 1 2 3 3 2 2 2 2
CLOUDS CL FW SC FW FW CL CL FW FW FW B1 SC B1 SC FW SC SC SC SC SC SC FW
POP 12HR 0 0 0 5 10
QPF 12HR 0 0 0 0 0
RAIN SHWRS C
TSTMS S
HEAT INDEX 96 90
MAX HEAT 96 83 90 90 88 90
DATE 08/25 WED 08/26/26 THU 08/27/26 FRI 08/28/26 SAT 08/29/26
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 69 93 71 90 70 91 70 92
TEMP 88 82 70 70 90 84 73 71 87 81 72 71 89 83 72 71 90 84
DEWPT 65 66 66 65 70 70 71 70 73 72 72 71 72 71 71 70 70 70
PWIND DIR E E S S SW SW N N NE
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW FW SC SC SC SC B1 B1 B1 SC B1 SC SC SC SC FW FW
POP 12HR 30 20 30 40 60 20 30 20 20
RAIN SHWRS C S S C C C C L S S S C S S
TSTMS S S S C C S C S C S
NCZ060-230800-
TUSQUITEE RAWS-FORESTRY-CHEROKEE NC
35.07N 84.12W ELEV. 1600 FT
226 PM EDT SAT AUG 22 2026
DATE 08/22/26 SUN 08/23/26 MON 08/24/26 TUE
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 63 86 58 86 59
TEMP 86 76 70 67 64 63 77 84 84 73 65 62 59 59 76 84 85 75 65 62 61 61
DEWPT 67 66 66 65 64 63 64 60 59 61 59 58 56 56 60 58 57 60 58 57 56 57
RH 53 71 87 93100100 64 44 43 66 81 87 90 90 58 41 39 60 78 84 84 87
MAX/MIN RH 100 43 93 37 90
WIND DIR NW NW N N N N NW NW NW NW N N N N N NW NW NW N N N N
WIND DIR DEG 30 29 0 0 0 0 31 31 31 31 0 0 0 0 0 29 30 32 0 0 0 0
WIND SPD 5 2 0 0 0 0 3 6 5 1 0 0 0 0 0 4 4 1 0 0 0 0
CLOUDS FW FW SC SC SC SC FW CL CL FW SC SC B1 B1 SC SC FW FW FW SC SC B1
CLOUDS (%) 6 13 30 30 44 46 19 5 4 9 32 29 66 52 27 27 23 22 25 37 47 52
VSBY 10 10 10 7 7 7 10 10 10 10 10
POP 12HR 10 0 0 0 5
QPF 12HR 0 0 0 0 0
RAIN SHWRS S
OBVIS PF PF
HEAT INDEX 89
MAX HEAT 91 84 85 84 85
CHANCETHUNDER 10 0 0 0 5
MAX MIX HGT
AGL MIX HGT 4900 5000
MAX VENT RT 49400 31500
T WIND DIR NW NW
T WIND SPD 9 5
ADI 49 30
MAX LVORI 10 7
STABILITY A G G B A G F A A G F
CEILING 7200 11700 9800 NONE NONE NONE NONE NONE NONE NONE NONE
STA PRES 27.87 27.89 27.93 27.92 27.89 27.93 27.95 27.95 27.93 27.96 27.98
DATE 08/25 WED 08/26/26 THU 08/27/26 FRI 08/28/26 SAT 08/29/26
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 87 63 89 65 86 64 87 63 88
TEMP 84 75 65 64 86 78 68 66 83 75 67 65 85 76 67 64 86 77
DEWPT 63 64 62 62 68 68 66 66 72 70 67 65 71 68 66 64 69 68
PWIND DIR NW N SW N W N NW N NW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS SC FW FW SC B1 SC SC B2 B2 SC SC B1 B1 SC FW SC B1 SC
POP 12HR 20 20 40 40 60 20 40 20 30
RAIN SHWRS S S S C C C C L S S S C S C
TSTMS S S C C S C S C 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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