854
FOUS54 KMRX 211827
PFMMRX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE MORRISTOWN TN
227 PM EDT TUE APR 21 2026
TNZ017-220800-
TRI CITIES AIRPORT-SULLIVAN TN
36.50N 82.41W ELEV. 1536 FT
227 PM EDT TUE APR 21 2026
DATE 04/21/26 WED 04/22/26 THU 04/23/26 FRI
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 44 78 49 79 52
TEMP 72 65 53 49 45 46 67 75 77 71 59 53 49 52 69 77 79 72 60 55 52 54
DEWPT 43 43 42 41 40 42 45 43 42 43 45 45 44 45 49 48 46 48 49 47 47 47
RH 35 45 66 74 82 86 45 32 29 36 60 74 83 77 49 36 31 42 67 74 83 77
WIND DIR SW SW S SW S SW W W W W SW S SE SE W W W SW S SE SE SE
WIND SPD 9 5 4 2 2 3 10 13 12 5 2 1 1 1 2 5 5 2 1 1 1 1
WIND GUST 24
CLOUDS SC SC FW FW FW FW FW FW FW FW FW FW FW CL CL FW FW FW FW FW FW FW
POP 12HR 0 5 0 5 0
QPF 12HR 0 0 0 0 0
DATE 04/24 SAT 04/25/26 SUN 04/26/26 MON 04/27/26 TUE 04/28/26
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 80 56 75 52 77 51 78 56 75
TEMP 78 73 59 58 71 68 56 54 74 71 56 53 75 71 59 57 70 69
DEWPT 51 52 52 53 59 57 55 52 51 50 49 49 53 52 52 54 58 54
PWIND DIR SW SW W W N E S S SW
WIND CHAR LT LT LT LT LT LT LT LT GN
AVG CLOUDS FW SC SC SC B1 B2 B2 B1 B1 SC SC SC SC SC B1 B1 B2 B1
POP 12HR 10 30 90 40 30 20 40 60 60
RAIN SHWRS S C L D C S S C S S C C L L C
TSTMS S C S S S
TNZ071-220800-
KNOXVILLE MCGHEE TYSON AIRPORT-BLOUNT TN
35.80N 83.98W ELEV. 979 FT
227 PM EDT TUE APR 21 2026
DATE 04/21/26 WED 04/22/26 THU 04/23/26 FRI
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 51 81 54 82 56
TEMP 76 70 61 57 52 53 71 79 81 74 64 58 54 56 73 80 82 75 65 60 56 58
DEWPT 45 46 45 44 44 45 46 45 44 48 48 47 47 48 51 48 48 51 51 50 49 50
RH 33 42 56 62 74 74 41 30 27 40 56 67 77 74 46 33 31 43 60 69 77 75
WIND DIR SW SW SW SW SW SW SW W W W S S S SE SW W W SW S S S S
WIND SPD 6 5 5 4 3 3 6 10 8 3 2 2 1 1 2 4 4 2 2 2 2 2
CLOUDS SC SC SC SC FW FW FW FW FW FW FW FW FW FW CL FW FW FW FW FW FW FW
POP 12HR 0 5 0 5 0
QPF 12HR 0 0 0 0 0
DATE 04/24 SAT 04/25/26 SUN 04/26/26 MON 04/27/26 TUE 04/28/26
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 83 59 74 56 80 56 80 60 78
TEMP 81 77 65 61 72 70 60 57 77 74 61 58 78 75 64 61 75 74
DEWPT 54 55 55 57 62 61 57 55 56 57 54 53 57 57 57 59 61 57
PWIND DIR SW SW SW N NE E S S SW
WIND CHAR LT LT LT LT LT LT LT GN GN
AVG CLOUDS FW SC B1 B2 B2 B2 B1 SC B1 B1 B1 B1 B1 B1 B1 B2 B2 SC
POP 12HR 10 40 90 40 30 20 40 70 50
RAIN SHWRS S C D D C S S C S S C C L L C C
TSTMS S S S C S S S C S
TNZ036-220800-
OAK RIDGE-ANDERSON TN
36.00N 84.24W ELEV. 913 FT
227 PM EDT TUE APR 21 2026
DATE 04/21/26 WED 04/22/26 THU 04/23/26 FRI
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 50 82 52 83 55
TEMP 77 70 61 55 51 53 71 80 82 75 62 56 52 54 72 81 82 75 63 57 55 57
DEWPT 47 48 46 45 45 45 48 44 43 46 47 47 47 48 51 49 47 51 50 50 50 50
RH 35 45 58 69 80 74 44 28 25 36 58 72 83 80 48 33 29 43 62 77 83 77
WIND DIR SW SW SW SW SW SW SW W W W W W SW N S SW SW SW SW SW SW SW
WIND SPD 5 3 3 2 2 2 5 8 6 2 2 1 1 1 2 3 4 2 1 1 1 1
CLOUDS SC SC SC SC FW FW FW CL FW FW FW FW FW FW CL FW FW FW FW FW FW FW
POP 12HR 0 0 0 5 0
QPF 12HR 0 0 0 0 0
DATE 04/24 SAT 04/25/26 SUN 04/26/26 MON 04/27/26 TUE 04/28/26
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 83 59 75 55 81 56 80 60 79
TEMP 81 76 63 60 72 70 58 57 78 74 60 57 77 74 63 61 75 73
DEWPT 55 55 56 58 63 61 57 54 54 57 53 52 58 58 57 59 61 56
PWIND DIR SW SW SW N NE NE S SW SW
WIND CHAR LT LT LT LT LT LT LT LT GN
AVG CLOUDS FW SC B1 B2 B2 B2 B1 SC SC SC B1 B1 B1 B1 B1 B2 B2 SC
POP 12HR 10 50 80 30 30 20 40 70 50
RAIN SHWRS S C D D C S S C S S C C C L C C
TSTMS S C S C S S C S
TNZ099-220800-
CHATTANOOGA AIRPORT-HAMILTON TN
35.03N 85.22W ELEV. 688 FT
227 PM EDT TUE APR 21 2026
DATE 04/21/26 WED 04/22/26 THU 04/23/26 FRI
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 53 83 54 84 58
TEMP 81 74 64 58 55 54 73 81 83 77 65 59 56 55 74 82 84 78 66 60 58 60
DEWPT 45 47 48 46 46 46 48 45 44 48 50 49 49 49 52 49 48 52 53 52 52 53
RH 28 38 56 64 72 74 41 28 25 36 58 69 77 80 46 32 29 40 63 75 80 78
WIND DIR SW SW S S S N SW W W W SW N N N S S SW S S S S S
WIND SPD 5 3 2 1 1 0 2 5 5 2 1 0 0 0 1 4 4 2 2 1 1 1
CLOUDS SC B1 B2 B1 SC FW CL FW FW FW FW FW FW CL FW FW SC FW FW FW FW FW
POP 12HR 0 5 0 5 0
QPF 12HR 0 0 0 0 0
DATE 04/24 SAT 04/25/26 SUN 04/26/26 MON 04/27/26 TUE 04/28/26
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 85 61 78 58 82 59 80 62 82
TEMP 83 79 66 62 74 73 61 59 79 77 63 60 78 76 65 63 77 77
DEWPT 55 56 57 60 65 64 60 58 58 59 56 56 59 60 61 62 63 59
PWIND DIR SW SW SW N NE SE S S SW
WIND CHAR LT LT LT LT LT LT GN GN GN
AVG CLOUDS FW SC B1 B1 B2 B2 B1 SC B1 B1 B1 SC B1 B1 B1 B2 B1 SC
POP 12HR 10 60 90 30 30 30 40 70 40
RAIN SHWRS C L D L C S S C S C C C L L C S
TSTMS S C S C S S S C S
NCZ060-220800-
TUSQUITEE RAWS-FORESTRY-CHEROKEE NC
35.07N 84.12W ELEV. 1600 FT
227 PM EDT TUE APR 21 2026
DATE 04/21/26 WED 04/22/26 THU 04/23/26 FRI
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 46 80 48 82 50
TEMP 77 68 57 51 47 47 70 78 78 70 59 53 49 50 73 81 79 72 61 55 51 53
DEWPT 40 41 41 41 40 41 43 40 39 41 45 44 43 44 48 43 42 47 47 47 46 47
RH 26 37 55 68 76 79 38 26 25 35 60 71 80 80 41 26 27 41 60 74 83 80
MAX/MIN RH 79 23 83 25 86
WIND DIR W SW S E N N W W W W N N N N SW SW SW SW N N N N
WIND DIR DEG 24 21 16 11 0 0 26 27 27 25 0 0 0 0 23 22 23 22 0 0 0 0
WIND SPD 4 2 1 1 0 0 2 5 5 2 0 0 0 0 1 2 3 2 0 0 0 0
CLOUDS SC SC SC B1 B1 FW FW CL FW FW FW FW FW FW FW FW SC FW FW FW FW FW
CLOUDS (%) 30 29 47 69 54 17 9 5 17 21 7 8 6 6 9 25 36 22 10 16 20 22
VSBY 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 5 0 5 0
QPF 12HR 0 0 0 0 0
CHANCETHUNDER 0 5 0 5 0
MAX MIX HGT
AGL MIX HGT 9600 10000
MAX VENT RT 111200 69800
T WIND DIR W SW
T WIND SPD 10 5
ADI 111 70
MAX LVORI 4 6
STABILITY A F G B A G G A A G G
CEILING NONE NONE NONE 23500 20800 9800 8900 11700 10800 10800 9800
STA PRES 28.08 28.08 28.09 28.02 27.97 27.98 27.97 27.90 27.86 27.85 27.83
DATE 04/24 SAT 04/25/26 SUN 04/26/26 MON 04/27/26 TUE 04/28/26
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 54 76 53 80 52 78 55 78
TEMP 79 73 59 56 70 70 57 54 77 73 57 54 75 71 60 57 73 72
DEWPT 50 51 52 54 60 58 55 54 52 52 51 51 53 53 54 57 57 55
PWIND DIR SW SW W N NW SE SE SE SW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC SC B1 B2 B2 B1 B1 B1 B1 SC B1 B1 B1 B1 B2 B2 SC
POP 12HR 10 40 90 40 30 20 40 70 50
RAIN SHWRS S C D D C S C C S S C C L L C S
TSTMS S S C S 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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