321
FOUS54 KMRX 281019
PFMMRX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE MORRISTOWN TN
619 AM EDT TUE APR 28 2026
TNZ017-282000-
TRI CITIES AIRPORT-SULLIVAN TN
36.50N 82.41W ELEV. 1536 FT
619 AM EDT TUE APR 28 2026
DATE TUE 04/28/26 WED 04/29/26 THU 04/30/26
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 74 58 72 48 66
TEMP 55 62 69 73 72 63 61 59 58 65 69 71 67 58 53 50 48 57 63 65 60
DEWPT 52 56 59 59 59 59 59 59 58 62 64 61 56 54 51 48 47 45 41 38 37
RH 90 81 70 62 64 87 93100100 90 84 71 68 86 93 93 96 64 44 37 42
WIND DIR S SW W W SW SE SW S S SW W W NW NW NW NW NW NW NW NW NW
WIND SPD 4 5 10 8 4 2 2 2 3 9 13 13 10 5 4 4 5 8 10 10 6
WIND GUST 24 24
CLOUDS OV B2 B2 B1 B1 B1 OV OV OV B2 B2 B1 B1 B1 B1 B1 SC SC FW FW SC
POP 12HR 60 80 100 50 10
QPF 12HR 0.03 0.18 0.38 0.05 0
RAIN SHWRS L C L D D D D C C S S
TSTMS S S C C C L C
DATE FRI 05/01/26 SAT 05/02/26 SUN 05/03/26 MON 05/04/26
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 43 66 43 58 36 64 40 71
TEMP 45 45 62 59 47 44 54 54 41 39 60 59 45 44 67 65
DEWPT 37 38 40 41 42 41 42 37 33 34 35 37 37 38 44 46
PWIND DIR N W N N NW W SW SW
WIND CHAR LT LT LT LT LT LT LT GN
AVG CLOUDS SC B1 B1 B2 B2 B2 B2 B2 SC SC FW SC FW FW FW SC
POP 12HR 5 20 50 40 10 5 5 20
RAIN SHWRS S C C C S S
TSTMS S
TNZ071-282000-
KNOXVILLE MCGHEE TYSON AIRPORT-BLOUNT TN
35.80N 83.98W ELEV. 979 FT
619 AM EDT TUE APR 28 2026
DATE TUE 04/28/26 WED 04/29/26 THU 04/30/26
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 61 76 52 69
TEMP 58 66 73 76 74 68 65 63 62 68 73 76 70 62 57 54 52 61 66 69 63
DEWPT 55 58 62 62 62 62 61 62 62 65 66 62 58 56 53 51 50 47 43 41 42
RH 90 75 68 62 66 81 87 97100 90 79 62 66 81 86 90 93 60 43 36 46
WIND DIR S SW SW SW SW S SW SW SW SW W W NW N N N N N N N N
WIND SPD 9 11 13 11 5 4 4 8 10 13 14 12 6 5 4 5 5 8 8 8 5
WIND GUST 20
CLOUDS OV B2 B1 SC B1 OV OV OV OV B2 B1 B1 B1 B1 B1 B1 SC FW SC SC SC
POP 12HR 50 90 100 30 5
QPF 12HR 0.07 0.76 0.20 0.04 0
RAIN SHWRS C S D L D D L L C C
TSTMS S S C S S C C
DATE FRI 05/01/26 SAT 05/02/26 SUN 05/03/26 MON 05/04/26
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 47 67 47 62 39 67 43 74
TEMP 50 48 64 61 51 47 58 58 44 42 64 63 49 47 71 69
DEWPT 41 42 44 46 46 45 44 40 36 37 38 41 40 40 45 49
PWIND DIR NE N NE N N NW S SW
WIND CHAR LT LT LT GN LT LT LT GN
AVG CLOUDS B1 B2 B2 B2 B2 B2 B2 B2 SC FW FW SC FW FW FW FW
POP 12HR 5 30 50 30 5 5 5 10
RAIN SHWRS S C C C C S
TNZ036-282000-
OAK RIDGE-ANDERSON TN
36.00N 84.24W ELEV. 913 FT
619 AM EDT TUE APR 28 2026
DATE TUE 04/28/26 WED 04/29/26 THU 04/30/26
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 61 77 51 70
TEMP 57 65 73 76 73 68 65 63 63 68 75 76 70 61 56 53 51 61 67 70 63
DEWPT 55 59 62 63 62 62 62 62 63 65 66 61 57 55 52 50 48 46 42 40 41
RH 93 81 68 64 68 81 90 97100 90 74 60 63 81 86 89 89 58 40 33 44
WIND DIR SW SW SW SW SW S SW SW SW SW W NW NW N N N N N N N N
WIND SPD 6 10 10 9 4 3 3 5 8 10 11 10 5 4 4 4 5 5 5 5 4
WIND GUST 18 21 18 20 20
CLOUDS OV B2 B1 B1 B1 OV OV OV OV B2 B1 B1 B1 B1 B1 SC FW FW FW SC SC
POP 12HR 50 80 100 30 5
QPF 12HR 0.05 0.30 0.21 0.03 0
RAIN SHWRS C S D L D D L L C C
TSTMS S S C C S C C C
DATE FRI 05/01/26 SAT 05/02/26 SUN 05/03/26 MON 05/04/26
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 47 68 46 63 39 69 43 76
TEMP 49 49 65 60 50 47 60 57 44 41 66 63 48 46 73 69
DEWPT 40 41 44 45 44 44 43 37 36 36 37 41 41 41 46 49
PWIND DIR N N N N N NW W SW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC B2 B1 B2 B2 B2 B2 B1 SC FW FW FW FW FW FW FW
POP 12HR 5 30 50 30 5 5 5 10
RAIN SHWRS S C C C C
TNZ099-282000-
CHATTANOOGA AIRPORT-HAMILTON TN
35.03N 85.22W ELEV. 688 FT
619 AM EDT TUE APR 28 2026
DATE TUE 04/28/26 WED 04/29/26 THU 04/30/26
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 79 64 80 54 73
TEMP 60 66 74 79 76 69 66 64 65 70 77 80 74 64 59 56 54 63 70 73 67
DEWPT 56 60 64 65 66 66 65 64 64 67 67 64 60 58 54 52 50 49 46 43 44
RH 87 81 71 62 71 90 97100 97 90 71 58 62 81 83 86 86 60 42 34 43
WIND DIR S S S S S SW SW S S SW W NW NW N N N N N N N N
WIND SPD 8 9 9 8 4 3 4 6 8 10 10 10 6 5 4 5 5 8 8 8 5
WIND GUST 18 18 20 20
CLOUDS B2 B2 B2 B1 B2 OV OV OV B2 B1 SC SC B1 B1 SC B1 SC SC SC B1 B1
POP 12HR 60 90 90 20 5
QPF 12HR 0.03 0.27 0.10 0.03 0
RAIN SHWRS L C D C D D C C S S
TSTMS S C C C C C C C
DATE FRI 05/01/26 SAT 05/02/26 SUN 05/03/26 MON 05/04/26
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 68 48 65 42 71 46 78
TEMP 53 51 64 62 51 49 62 61 46 44 67 65 49 47 74 71
DEWPT 43 43 47 49 49 47 46 41 39 38 39 44 44 43 47 51
PWIND DIR N N N N N N NW SW
WIND CHAR LT LT LT GN LT LT LT LT
AVG CLOUDS B1 B2 B2 B2 B2 B2 B2 B1 SC FW FW FW FW CL FW FW
POP 12HR 10 40 60 20 5 5 5 5
RAIN SHWRS C C L L S
NCZ060-282000-
TUSQUITEE RAWS-FORESTRY-CHEROKEE NC
35.07N 84.12W ELEV. 1600 FT
619 AM EDT TUE APR 28 2026
DATE TUE 04/28/26 WED 04/29/26 THU 04/30/26
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 75 58 76 49 70
TEMP 53 60 70 73 71 63 61 60 59 66 72 75 70 60 55 51 49 60 67 69 63
DEWPT 51 56 59 59 59 60 60 60 59 64 63 61 58 55 52 50 49 47 42 39 40
RH 93 87 68 62 66 90 97100100 93 73 62 66 84 90 96100 62 40 33 43
MIN/MAX RH 57 100 62 100 33
WIND DIR SE S SW SW S SE SE S S SW W W NW NW NW NW N N NW N N
WIND DIR DEG 13 16 20 21 17 13 15 18 19 23 25 28 30 31 32 32 33 33 32 33 33
WIND SPD 4 4 5 4 2 2 2 2 4 6 9 10 6 4 3 3 3 5 6 6 4
WIND GUST 18 19 17
CLOUDS OV OV B2 B1 B1 B2 OV OV OV B2 B1 B1 B1 B1 B1 B2 B1 SC SC SC B1
CLOUDS (%) 97 88 83 60 68 85 96 98 93 87 63 53 58 69 64 72 52 39 38 50 64
VSBY 3 7 9 10 10 7 5 4 3 5 10
POP 12HR 60 80 90 20 10
QPF 12HR 0.03 0.36 0.14 0.02 0
RAIN SHWRS L S D L D D C C S S
TSTMS S S C S S C C
CHANCETHUNDER 20 30 40 10 0
MAX MIX HGT
AGL MIX HGT 3400 3700 5300
MAX VENT RT 37000 63400 66300
T WIND DIR S W N
T WIND SPD 11 16 12
ADI 37 63 64
MAX LVORI 6 8 5
STABILITY D C B D D B B F F B B
CEILING NONE NONE NONE NONE NONE NONE NONE NONE 12700 NONE NONE
STA PRES 28.02 28.00 27.92 27.83 27.73 27.74 27.74 27.74 27.76 27.77 27.78
DATE FRI 05/01/26 SAT 05/02/26 SUN 05/03/26 MON 05/04/26
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 44 66 45 62 35 67 38 74
TEMP 46 46 64 59 49 45 58 56 40 38 63 60 44 42 71 67
DEWPT 40 41 44 45 45 44 45 38 35 34 35 38 38 38 42 46
PWIND DIR N NW N NW N NW NW W
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B1 B2 B2 B2 OV B2 B2 B1 SC SC FW FW FW FW FW FW
POP 12HR 10 40 60 40 10 5 5 5
RAIN SHWRS C C L L 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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