177
FOUS54 KMRX 201827
PFMMRX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE MORRISTOWN TN
227 PM EDT MON APR 20 2026
TNZ017-210800-
TRI CITIES AIRPORT-SULLIVAN TN
36.50N 82.41W ELEV. 1536 FT
227 PM EDT MON APR 20 2026
DATE 04/20/26 TUE 04/21/26 WED 04/22/26 THU
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 35 72 47 76 49
TEMP 61 56 44 39 36 38 58 69 72 66 56 51 47 49 67 74 76 70 59 53 50 51
DEWPT 33 31 30 29 28 29 38 43 44 44 43 43 42 43 48 46 45 45 46 46 45 46
RH 35 38 57 67 72 70 47 39 37 45 62 74 83 80 50 37 33 41 62 77 83 83
WIND DIR NW N NE E E E SW W SW SW SW SW SW SW W W W W SW SW S S
WIND SPD 12 5 2 1 1 1 2 6 9 5 4 2 2 3 9 13 11 5 2 1 1 1
CLOUDS FW FW CL CL FW FW CL FW SC SC SC FW FW FW FW FW FW FW FW FW CL CL
POP 12HR 0 0 0 10 5
QPF 12HR 0 0 0 0 0
DATE 04/23 FRI 04/24/26 SAT 04/25/26 SUN 04/26/26 MON 04/27/26
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 78 51 81 56 76 55 76 55 77
TEMP 76 72 56 53 78 74 59 58 73 69 59 57 74 71 59 58 74 71
DEWPT 49 50 47 47 50 51 51 52 58 57 55 55 57 55 54 54 58 57
PWIND DIR SW SE SW S SW W NW SE S
WIND CHAR LT LT LT LT LT LT LT LT GN
AVG CLOUDS FW FW FW FW SC SC SC SC B2 B2 B1 B1 B1 B1 B1 SC B1 B1
POP 12HR 5 0 10 30 70 40 50 40 50
RAIN SHWRS C C L C S C C C C C C
TSTMS C S S S
TNZ071-210800-
KNOXVILLE MCGHEE TYSON AIRPORT-BLOUNT TN
35.80N 83.98W ELEV. 979 FT
227 PM EDT MON APR 20 2026
DATE 04/20/26 TUE 04/21/26 WED 04/22/26 THU
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 42 77 52 80 52
TEMP 70 64 53 47 44 44 63 74 76 71 62 56 52 54 70 78 80 73 63 58 53 55
DEWPT 40 41 41 39 38 38 44 47 46 48 46 45 45 46 49 47 47 50 49 48 47 48
RH 33 43 64 74 79 79 50 38 34 44 56 66 77 74 47 33 31 44 60 69 80 77
WIND DIR NW N E NE NE NE SW SW SW SW SW SW SW SW W W W SW S S S SE
WIND SPD 10 4 2 1 1 1 2 5 6 5 5 4 3 3 6 10 9 3 2 2 1 1
CLOUDS FW FW FW FW FW FW FW FW SC SC SC SC SC FW CL FW FW FW FW FW FW FW
POP 12HR 0 0 0 5 0
QPF 12HR 0 0 0 0 0
DATE 04/23 FRI 04/24/26 SAT 04/25/26 SUN 04/26/26 MON 04/27/26
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 81 56 83 59 78 58 79 58 80
TEMP 79 75 60 58 81 77 64 61 76 72 62 60 76 74 62 60 78 75
DEWPT 49 52 50 50 52 54 53 56 61 61 58 57 60 59 57 57 61 60
PWIND DIR SW S SW SW SW S W S SW
WIND CHAR LT LT LT LT GN LT LT LT GN
AVG CLOUDS FW FW FW FW SC SC SC B1 OV B2 B1 B1 B2 SC B1 B1 B2 B1
POP 12HR 0 0 10 40 70 40 50 40 50
RAIN SHWRS S C L L C C C C C C C C
TSTMS C S S S S
TNZ036-210800-
OAK RIDGE-ANDERSON TN
36.00N 84.24W ELEV. 913 FT
227 PM EDT MON APR 20 2026
DATE 04/20/26 TUE 04/21/26 WED 04/22/26 THU
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 41 78 51 80 52
TEMP 71 64 51 47 43 44 63 75 78 71 61 55 51 53 70 78 80 73 62 56 52 54
DEWPT 39 39 39 38 36 38 44 48 47 49 47 45 45 46 49 48 47 49 49 48 47 49
RH 31 40 63 71 76 79 50 38 33 46 60 69 80 77 47 35 31 43 62 74 83 83
WIND DIR NW N NE NE NE NE S SW SW SW SW SW SW SW SW W W W W W W NE
WIND SPD 8 3 2 1 1 1 2 5 5 3 3 2 2 2 4 8 6 2 2 1 1 1
CLOUDS FW FW CL FW CL FW FW FW SC B1 SC SC FW FW FW FW FW FW FW FW FW FW
POP 12HR 0 0 0 5 0
QPF 12HR 0 0 0 0 0
DATE 04/23 FRI 04/24/26 SAT 04/25/26 SUN 04/26/26 MON 04/27/26
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 81 55 83 59 78 58 79 58 80
TEMP 79 75 59 57 81 77 63 60 76 72 61 59 76 73 61 60 77 74
DEWPT 50 51 50 50 53 54 54 56 62 61 58 57 60 59 57 57 62 61
PWIND DIR SW SW SW SW SW NW SW W SW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW FW FW SC SC B1 B1 OV B1 B1 B1 B2 SC B1 B1 B2 B1
POP 12HR 0 0 10 50 70 40 50 40 50
RAIN SHWRS S C L L C C C C C C C C
TSTMS S S C S S S S
TNZ099-210800-
CHATTANOOGA AIRPORT-HAMILTON TN
35.03N 85.22W ELEV. 688 FT
227 PM EDT MON APR 20 2026
DATE 04/20/26 TUE 04/21/26 WED 04/22/26 THU
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 47 81 53 82 54
TEMP 75 70 58 52 49 49 67 78 81 75 64 58 55 54 72 80 81 76 64 58 55 56
DEWPT 42 45 47 45 45 44 48 48 46 48 48 47 47 48 49 48 47 49 50 49 48 49
RH 31 41 67 77 86 83 50 35 29 38 56 67 74 80 44 33 30 39 60 72 77 77
WIND DIR NW NW N N N N S S SW SW SW S S SW W W W W W SW N N
WIND SPD 9 3 1 0 0 0 1 3 5 3 2 1 1 1 2 6 6 3 1 1 0 0
CLOUDS FW FW FW CL FW CL CL FW SC SC B1 B1 SC FW FW FW FW FW FW FW FW FW
POP 12HR 0 0 0 0 0
QPF 12HR 0 0 0 0 0
DATE 04/23 FRI 04/24/26 SAT 04/25/26 SUN 04/26/26 MON 04/27/26
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 58 85 62 81 60 81 61 82
TEMP 81 78 61 60 82 79 65 63 78 76 63 61 78 76 64 62 79 76
DEWPT 51 53 51 52 53 55 56 59 63 63 60 60 62 62 60 60 63 63
PWIND DIR S S S S SW W S S S
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW SC FW SC SC B1 B2 B2 B1 SC SC B1 SC SC SC B1 B1
POP 12HR 0 0 10 50 70 50 40 40 50
RAIN SHWRS C C L L C C C C C C C C
TSTMS S S C C S S C S S
NCZ060-210800-
TUSQUITEE RAWS-FORESTRY-CHEROKEE NC
35.07N 84.12W ELEV. 1600 FT
227 PM EDT MON APR 20 2026
DATE 04/20/26 TUE 04/21/26 WED 04/22/26 THU
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 39 77 46 79 47
TEMP 69 65 52 46 41 41 64 75 77 70 58 52 49 48 69 76 78 71 59 53 50 49
DEWPT 37 38 40 39 38 39 43 42 41 42 43 42 42 43 46 43 42 44 45 45 44 44
RH 31 37 63 76 89 92 46 31 28 36 57 69 77 83 44 31 28 38 60 74 80 83
MAX/MIN RH 96 28 86 27 89
WIND DIR NW NW W N N N S W W SW S SE N N W W W W N N N N
WIND DIR DEG 30 31 28 0 0 0 19 28 26 22 18 14 0 0 27 27 27 26 0 0 0 0
WIND SPD 10 4 1 0 0 0 1 3 4 2 1 1 0 0 2 6 5 2 0 0 0 0
CLOUDS FW FW CL CL FW FW FW FW SC SC SC B1 SC SC FW FW FW FW FW FW FW FW
CLOUDS (%) 15 13 5 4 11 13 6 10 41 37 46 61 50 26 10 11 16 11 11 7 8 8
VSBY 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 0 0
QPF 12HR 0 0 0 0 0
CHANCETHUNDER 0 0 0 0 0
MAX MIX HGT
AGL MIX HGT 6900 9500
MAX VENT RT 62100 99100
T WIND DIR W W
T WIND SPD 6 11
ADI 62 100
MAX LVORI 7 5
STABILITY A G G A A F G B A G G
CEILING 7200 NONE NONE NONE NONE NONE NONE 23500 NONE 9800 9800
STA PRES MM MM MM MM MM MM MM MM MM MM MM
DATE 04/23 FRI 04/24/26 SAT 04/25/26 SUN 04/26/26 MON 04/27/26
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 81 51 82 55 79 54 79 54 80
TEMP 78 74 56 53 79 75 59 56 75 71 58 56 76 73 59 56 77 74
DEWPT 45 46 46 47 48 49 50 53 58 57 55 55 57 56 55 56 58 58
PWIND DIR SW SE SW SE SW NE SW SE S
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC SC FW SC SC SC B1 B2 B2 B1 B1 B2 B1 B1 SC B2 B1
POP 12HR 0 0 10 40 70 50 50 40 50
RAIN SHWRS S C L L C C C C C C C C
TSTMS 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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