773
FOUS54 KMRX 210627
PFMMRX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE MORRISTOWN TN
226 AM EDT TUE APR 21 2026
TNZ017-212000-
TRI CITIES AIRPORT-SULLIVAN TN
36.50N 82.41W ELEV. 1536 FT
226 AM EDT TUE APR 21 2026
DATE TUE 04/21/26 WED 04/22/26 THU 04/23/26
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 72 47 77 49 79
TEMP 36 38 58 69 72 66 56 52 48 49 67 75 77 70 59 53 49 52 68 76 78 72
DEWPT 27 28 36 39 42 44 43 42 42 43 48 46 44 46 46 46 46 46 50 49 48 50
RH 69 67 44 33 34 45 62 69 80 80 50 36 31 42 62 77 89 80 52 39 35 46
WIND DIR E E SW W SW SW S SW S S W W W W SW S S SE W W W SW
WIND SPD 1 1 2 5 9 5 4 2 2 3 9 13 12 5 2 1 1 1 2 5 4 2
CLOUDS CL CL CL CL FW SC SC FW FW FW FW FW FW FW FW FW FW CL CL FW FW FW
POP 12HR 0 0 5 0 10
QPF 12HR 0 0 0 0 0
DATE FRI 04/24/26 SAT 04/25/26 SUN 04/26/26 MON 04/27/26
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 51 80 56 74 55 76 52 75
TEMP 55 54 78 73 59 58 70 69 58 56 73 70 57 54 71 69
DEWPT 49 48 50 52 52 52 59 57 55 54 56 52 50 49 54 52
PWIND DIR S SW S SW W N E SE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW FW SC B1 B1 B2 B2 B1 B1 B1 SC SC SC B1 B1
POP 12HR 0 10 30 80 50 30 20 40
RAIN SHWRS C L D C S C C S S C C
TSTMS S C S S S
TNZ071-212000-
KNOXVILLE MCGHEE TYSON AIRPORT-BLOUNT TN
35.80N 83.98W ELEV. 979 FT
226 AM EDT TUE APR 21 2026
DATE TUE 04/21/26 WED 04/22/26 THU 04/23/26
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 77 52 80 53 81
TEMP 43 44 63 74 76 70 62 58 53 54 71 78 80 74 64 57 54 55 71 79 81 75
DEWPT 37 38 44 44 43 47 45 45 44 45 49 47 46 50 49 48 47 48 51 50 49 52
RH 79 79 50 34 31 44 54 62 71 71 46 33 30 43 58 72 77 77 49 36 33 45
WIND DIR NE NE SW W SW SW SW SW SW SW SW W W W S S S SE SW W W SW
WIND SPD 1 1 2 5 6 5 5 4 3 3 6 10 9 3 2 2 1 1 2 3 4 2
CLOUDS FW FW CL FW FW SC SC SC SC FW FW FW FW FW FW FW FW FW CL FW FW FW
POP 12HR 0 0 0 0 5
QPF 12HR 0 0 0 0 0
DATE FRI 04/24/26 SAT 04/25/26 SUN 04/26/26 MON 04/27/26
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 55 82 60 76 58 78 57 79
TEMP 59 57 80 76 64 61 73 72 61 60 76 73 61 59 77 74
DEWPT 49 50 53 55 54 56 63 61 58 58 60 58 55 55 59 59
PWIND DIR S SW S SW S N E S
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC SC SC B1 B2 OV B2 B1 SC B2 B1 B1 SC B1 B1
POP 12HR 0 10 40 80 40 30 30 50
RAIN SHWRS C D D C S S C S C C C
TSTMS S S C S S C
TNZ036-212000-
OAK RIDGE-ANDERSON TN
36.00N 84.24W ELEV. 913 FT
226 AM EDT TUE APR 21 2026
DATE TUE 04/21/26 WED 04/22/26 THU 04/23/26
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 77 50 81 53 82
TEMP 43 44 63 75 77 71 61 55 51 52 70 79 81 74 62 56 53 55 71 80 82 75
DEWPT 35 35 43 46 45 48 47 46 44 45 49 47 46 49 49 48 48 49 52 51 49 52
RH 73 70 48 36 32 44 60 72 77 77 47 32 29 41 62 74 83 80 51 36 32 45
WIND DIR NE NE S SW SW SW SW W SW SW SW W W W W W W NE S SW SW SW
WIND SPD 1 1 2 5 5 4 3 2 2 2 4 8 6 2 2 1 1 1 2 3 4 2
CLOUDS CL FW CL FW FW SC SC SC FW FW FW FW FW FW FW FW FW CL FW FW FW FW
POP 12HR 0 0 0 0 5
QPF 12HR 0 0 0 0 0
DATE FRI 04/24/26 SAT 04/25/26 SUN 04/26/26 MON 04/27/26
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 54 82 59 76 58 79 57 79
TEMP 57 56 80 75 63 61 72 71 60 59 77 73 60 59 77 73
DEWPT 50 51 55 55 55 57 63 61 58 57 59 58 55 55 59 59
PWIND DIR SW SW SW SW NW NE NE S
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC SC B1 B1 B2 B2 B2 B1 SC B1 SC B1 SC B1 B1
POP 12HR 0 10 60 80 40 30 20 50
RAIN SHWRS S L D D C S S C S S C C
TSTMS S C S C S S C
TNZ099-212000-
CHATTANOOGA AIRPORT-HAMILTON TN
35.03N 85.22W ELEV. 688 FT
226 AM EDT TUE APR 21 2026
DATE TUE 04/21/26 WED 04/22/26 THU 04/23/26
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 81 54 83 55 83
TEMP 48 49 67 78 81 75 64 58 55 55 73 81 83 76 65 58 55 57 73 81 83 77
DEWPT 44 44 47 46 45 48 49 47 47 47 50 46 46 49 51 50 49 50 52 50 50 53
RH 86 83 49 32 28 38 58 67 74 74 44 29 27 39 60 75 80 77 48 34 32 43
WIND DIR N N S S S S S S S N SW W W W SW N N N S S S S
WIND SPD 0 0 1 3 5 3 2 1 1 0 2 5 5 3 1 0 0 0 1 4 4 2
CLOUDS FW CL CL SC SC SC B1 B1 B1 FW FW FW FW FW FW FW FW FW FW FW FW FW
POP 12HR 0 0 0 0 5
QPF 12HR 0 0 0 0 0
DATE FRI 04/24/26 SAT 04/25/26 SUN 04/26/26 MON 04/27/26
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 57 84 61 80 60 81 59 81
TEMP 60 59 82 78 65 62 76 75 63 61 78 76 63 60 77 76
DEWPT 52 52 54 55 56 60 64 64 60 59 61 60 58 57 61 61
PWIND DIR S SW S SW NW NW SE S
WIND CHAR LT LT LT LT LT LT LT GN
AVG CLOUDS FW SC SC SC B1 B2 B2 B1 SC SC B1 B1 SC SC B1 B1
POP 12HR 0 10 50 80 40 30 30 50
RAIN SHWRS S C D L C C S C S C C C
TSTMS S C S C S S S C
NCZ060-212000-
TUSQUITEE RAWS-FORESTRY-CHEROKEE NC
35.07N 84.12W ELEV. 1600 FT
226 AM EDT TUE APR 21 2026
DATE TUE 04/21/26 WED 04/22/26 THU 04/23/26
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 77 46 80 48 81
TEMP 41 42 64 75 77 70 57 51 48 48 69 78 79 73 60 53 50 49 71 78 80 73
DEWPT 37 37 42 40 38 42 42 42 41 42 46 42 41 44 46 45 44 45 47 44 44 46
RH 85 82 45 28 24 36 57 71 77 80 44 28 26 35 60 74 80 86 42 30 28 38
MIN/MAX RH 24 83 25 86 28
WIND DIR N N N W W SW S E N N W W W W N N N N SW SW SW SW
WIND DIR DEG 0 0 0 28 25 22 16 11 0 0 26 27 27 26 0 0 0 0 23 23 23 23
WIND SPD 0 0 0 2 4 2 1 1 0 0 2 5 5 2 0 0 0 0 1 3 3 2
CLOUDS CL FW CL FW FW SC SC SC SC SC FW FW FW FW FW FW FW FW FW FW SC FW
CLOUDS (%) 5 6 3 18 20 28 43 47 41 26 8 8 9 18 19 13 7 6 10 23 29 15
VSBY 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 0 5
QPF 12HR 0 0 0 0 0
CHANCETHUNDER 0 0 0 0 5
MAX MIX HGT
AGL MIX HGT 7000 9400 9600
MAX VENT RT 55900 121900 60200
T WIND DIR W W SW
T WIND SPD 6 11 6
ADI 56 122 62
MAX LVORI 5 4 5
STABILITY G A A G G B A G G A A
CEILING NONE NONE NONE NONE NONE 10800 11700 9800 9800 11700 10800
STA PRES 28.18 28.13 28.09 28.08 28.09 28.03 27.98 27.98 27.98 27.92 27.86
DATE FRI 04/24/26 SAT 04/25/26 SUN 04/26/26 MON 04/27/26
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 51 81 54 77 54 78 53 77
TEMP 54 53 78 74 59 56 72 70 58 56 76 72 58 54 74 71
DEWPT 46 47 49 50 51 54 59 58 55 55 56 54 53 52 55 54
PWIND DIR SE SW SE SW N NW E SE
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC SC SC SC B2 B2 B2 B1 B1 B2 SC SC SC B2 B1
POP 12HR 0 5 40 80 50 30 30 40
RAIN SHWRS S C D D C S C C C C C C
TSTMS S S C S 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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