983
FOUS54 KMRX 200627
PFMMRX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE MORRISTOWN TN
226 AM EDT WED MAY 20 2026
TNZ017-202000-
TRI CITIES AIRPORT-SULLIVAN TN
36.50N 82.41W ELEV. 1536 FT
226 AM EDT WED MAY 20 2026
DATE WED 05/20/26 THU 05/21/26 FRI 05/22/26
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 88 63 81 62 81
TEMP 64 66 79 86 87 80 69 66 64 65 73 78 76 73 67 65 63 64 72 78 80 76
DEWPT 58 59 63 63 63 66 65 64 63 64 67 68 68 67 65 63 61 63 66 67 68 66
RH 81 78 58 46 45 62 87 93 97 97 81 71 76 81 93 93 93 97 81 69 67 71
WIND DIR S SE W W W NW NE E E NE N N NE E E E E E SE SE SE SE
WIND SPD 0 0 2 5 5 4 0 0 0 1 2 2 3 3 2 4 3 4 6 10 8 8
CLOUDS SC FW FW SC SC B2 B2 B2 B2 B1 B1 B2 B2 B2 B2 B1 B1 B1 B2 B2 B1 B1
POP 12HR 30 60 80 60 80
QPF 12HR 0 0.10 0.22 0.07 0.13
RAIN SHWRS S L C C C D D L L C C C C D D L
TSTMS S C S C C C S C C C
DATE SAT 05/23/26 SUN 05/24/26 MON 05/25/26 TUE 05/26/26
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 62 80 61 83 62 82 62 82
TEMP 64 64 77 76 64 63 80 77 65 63 79 77 66 64 79 77
DEWPT 62 63 69 68 63 63 69 68 63 63 70 69 64 64 69 68
PWIND DIR SE S S SW SE SW SW W
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B1 B2 B2 B2 B2 B1 B1 B1 B1 B2 B2 B2 B1 B2 B1 B1
POP 12HR 80 100 40 90 50 90 60 90
RAIN SHWRS L D D D C S C D C C L D L C L D
TSTMS C S S C C S C S S C C S C
TNZ071-202000-
KNOXVILLE MCGHEE TYSON AIRPORT-BLOUNT TN
35.80N 83.98W ELEV. 979 FT
226 AM EDT WED MAY 20 2026
DATE WED 05/20/26 THU 05/21/26 FRI 05/22/26
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 89 66 83 65 84
TEMP 68 70 82 87 86 79 72 70 68 68 74 80 80 75 71 68 67 67 75 81 83 78
DEWPT 60 61 65 66 66 69 68 66 65 65 68 70 70 70 68 66 65 66 69 71 70 70
RH 76 73 56 50 51 72 87 87 90 90 82 72 72 84 90 93 93 97 82 72 65 76
WIND DIR SW N SW SW SW W NE NE NE NE N NW NW E NE NE E N S SW SW S
WIND SPD 1 0 4 5 5 3 1 1 1 1 1 2 2 2 2 1 1 0 2 6 6 4
CLOUDS FW FW SC SC B1 B2 B2 B2 B2 B2 B2 B2 B1 B2 B2 B2 B2 B2 B1 B2 B1 B1
POP 12HR 50 50 90 70 90
QPF 12HR 0.05 0.03 0.65 0.16 0.14
RAIN SHWRS S C C C S S C L L L C C L L D D D
TSTMS S C C S C C S S C C C
HEAT INDEX 83 83 85 87
MAX HEAT 89 90 83 86 85 87
DATE SAT 05/23/26 SUN 05/24/26 MON 05/25/26 TUE 05/26/26
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 66 82 65 84 66 84 66 83
TEMP 70 67 79 78 69 67 82 79 69 68 82 79 70 68 81 79
DEWPT 65 66 72 70 65 65 72 70 65 65 73 71 65 65 72 70
PWIND DIR S SW SW SW SW SW SW SW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B2 B2 B2 B2
POP 12HR 90 90 40 90 60 90 70 80
RAIN SHWRS D D D D C C C D L L D D L C L D
TSTMS C S S C C S C S S C C S C
TNZ036-202000-
OAK RIDGE-ANDERSON TN
36.00N 84.24W ELEV. 913 FT
226 AM EDT WED MAY 20 2026
DATE WED 05/20/26 THU 05/21/26 FRI 05/22/26
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 88 64 82 63 82
TEMP 67 68 80 86 84 76 71 68 66 65 73 79 79 74 69 67 65 65 73 79 81 76
DEWPT 61 63 66 68 68 70 68 66 65 65 69 71 71 71 68 65 65 65 70 72 72 71
RH 81 84 62 55 59 82 90 93 97100 87 77 77 90 97 93100100 90 79 74 85
WIND DIR W N SW SW W N NE NE N NE E NE N NE NE NE E S S SW S S
WIND SPD 1 0 3 4 5 2 1 1 1 1 2 1 2 2 2 2 1 1 2 8 8 3
CLOUDS SC FW SC B1 B1 OV B2 B2 OV OV B2 B2 B1 B2 B1 B2 B2 B2 B2 B2 B2 B2
POP 12HR 60 40 90 70 90
QPF 12HR 0.08 0.02 0.23 0.05 0.19
RAIN SHWRS C L C C S S S C L L L L L D D D D D
TSTMS C C C S S C C S S C C C
HEAT INDEX 89 87 85
MAX HEAT 89 91 85 85
DATE SAT 05/23/26 SUN 05/24/26 MON 05/25/26 TUE 05/26/26
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 64 81 64 83 64 83 64 83
TEMP 68 65 78 76 67 66 81 77 68 66 81 77 68 66 81 78
DEWPT 66 65 73 71 65 66 73 71 65 66 74 71 65 66 72 70
PWIND DIR SW SW SW SW SW SW SW SW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B2 B2 B1 B2
POP 12HR 90 90 40 90 70 90 70 80
RAIN SHWRS D D D D C C C D L L D D L C L D
TSTMS C S S C C S C S S C C S C
TNZ099-202000-
CHATTANOOGA AIRPORT-HAMILTON TN
35.03N 85.22W ELEV. 688 FT
226 AM EDT WED MAY 20 2026
DATE WED 05/20/26 THU 05/21/26 FRI 05/22/26
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 89 66 84 66 84
TEMP 68 70 81 87 85 79 72 69 68 68 75 81 81 77 71 68 67 68 75 82 83 78
DEWPT 63 63 67 69 70 70 69 67 66 65 68 71 72 71 69 67 65 65 69 72 71 70
RH 84 78 63 55 61 74 90 93 93 90 79 72 74 82 93 97 93 90 82 72 67 76
WIND DIR N N S SW W W NE N N N SE S S NE N N SE S S S S S
WIND SPD 0 0 2 4 4 2 1 0 0 0 1 2 3 2 0 0 1 4 9 11 10 5
WIND GUST 19
CLOUDS SC SC B1 B1 B2 B2 B2 B2 B2 B2 B2 B1 B1 B2 B2 B2 B2 B2 B2 B1 B1 B2
POP 12HR 70 50 80 80 70
QPF 12HR 0.14 0.04 0.11 0.11 0.10
RAIN SHWRS C C C C C C S D L L L D D C C L L D
TSTMS C C C S C C S S S C C C
HEAT INDEX 91 90 85 85 87 88
MAX HEAT 91 93 85 88 87 88
DATE SAT 05/23/26 SUN 05/24/26 MON 05/25/26 TUE 05/26/26
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 66 83 66 84 66 84 66 84
TEMP 69 67 80 78 69 68 82 79 69 68 82 79 69 68 82 79
DEWPT 67 66 73 71 66 66 73 71 66 66 73 71 67 66 73 70
PWIND DIR S S S S S S S S
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B2 B1
POP 12HR 90 90 40 80 70 80 70 80
RAIN SHWRS D D D D C C C D L L L D L C C D
TSTMS C C C C C S C S S C C S C
NCZ060-202000-
TUSQUITEE RAWS-FORESTRY-CHEROKEE NC
35.07N 84.12W ELEV. 1600 FT
226 AM EDT WED MAY 20 2026
DATE WED 05/20/26 THU 05/21/26 FRI 05/22/26
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 88 62 83 62 82
TEMP 63 65 79 85 83 76 68 64 64 64 73 79 78 74 67 64 64 64 72 78 80 76
DEWPT 58 60 65 65 66 67 66 64 62 63 67 68 67 67 66 63 62 63 67 68 67 66
RH 84 84 62 51 57 74 93100 93 97 81 69 69 79 97 97 93 97 84 71 65 71
MIN/MAX RH 50 100 65 97 65
WIND DIR N N SW SW SW SW N N N N N S SW N E SE SE SE SE S SE SE
WIND DIR DEG 0 0 20 20 23 22 0 0 0 0 0 19 20 0 11 12 12 14 15 16 15 14
WIND SPD 0 0 1 2 2 1 0 0 0 0 0 2 1 0 1 2 3 4 6 9 8 6
WIND GUST 14 17 17
CLOUDS FW SC FW B1 B1 B2 B1 B2 OV OV B1 B2 B2 B2 B1 B1 B2 B2 B2 B1 B1 B2
CLOUDS (%) 23 35 25 55 57 79 60 74 93 89 62 74 85 84 69 69 80 77 70 60 67 74
VSBY 10 10 10 10 10 10 10 7 7 9 9 6
POP 12HR 60 40 80 70 90
QPF 12HR 0.05 0.12 0.37 0.05 0.11
RAIN SHWRS C C C S S C L D L L L L L L D D D
TSTMS C C C S C C C S S S C C C
CHANCETHUNDER 40 30 50 20 40
MAX MIX HGT
AGL MIX HGT 5600 2900 3000
MAX VENT RT 41400 17100 33300
T WIND DIR SW S SE
T WIND SPD 8 5 11
ADI 41 17 33
MAX LVORI 5 10 8
STABILITY G B B F D B B F F B B
CEILING NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE
STA PRES 28.04 27.97 27.94 27.95 27.95 27.96 27.94 27.92 27.96 27.98 27.94
DATE SAT 05/23/26 SUN 05/24/26 MON 05/25/26 TUE 05/26/26
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 63 81 63 83 63 83 63 83
TEMP 65 63 77 75 64 64 79 76 65 64 80 76 65 64 80 76
DEWPT 64 63 70 67 64 64 71 67 64 64 71 68 64 64 71 67
PWIND DIR SE S SE S SE S SE S
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS B2 B2 B2 B2 B2 B2 B2 B1 B2 B2 B2 B2 B2 B2 B2 B2
POP 12HR 90 90 70 80 70 80 60 90
RAIN SHWRS D D D D L C C D L C L D L C L D
TSTMS C S C C C C C S S C C 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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