847
FOUS54 KMRX 211827
PFMMRX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE MORRISTOWN TN
227 PM EDT THU MAY 21 2026
TNZ017-220800-
TRI CITIES AIRPORT-SULLIVAN TN
36.50N 82.41W ELEV. 1536 FT
227 PM EDT THU MAY 21 2026
DATE 05/21/26 FRI 05/22/26 SAT 05/23/26 SUN
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 61 77 60 78 61
TEMP 72 72 67 66 63 63 71 74 76 74 67 65 62 62 71 76 78 75 67 64 62 63
DEWPT 65 65 64 64 62 62 66 67 67 64 63 62 61 62 67 69 69 67 65 63 61 63
RH 79 79 90 93 97 97 84 79 74 71 87 90 97100 87 79 74 76 93 97 97100
WIND DIR NW E E E E E SE S S SE SE SE SE SE S S SW S SE SE N N
WIND SPD 2 3 2 2 3 3 5 6 6 6 5 4 3 3 4 6 5 3 1 0 0 0
CLOUDS OV B2 OV B2 B2 B2 B2 B2 B2 B2 B2 OV OV B1 B2 B2 B1 B1 B1 B1 B2 B1
POP 12HR 60 80 90 100 50
QPF 12HR 0.03 0.10 0.17 0.27 0.01
RAIN SHWRS D L C C C S C C L L S D D D D D D C C S S C
TSTMS C S S C C S S C C S
DATE 05/24 MON 05/25/26 TUE 05/26/26 WED 05/27/26 THU 05/28/26
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 61 77 61 82 61 81 60 81
TEMP 80 78 66 63 75 74 65 64 78 77 66 63 78 77 65 62 78 77
DEWPT 70 69 64 63 70 68 64 64 70 68 64 63 69 68 63 62 67 67
PWIND DIR SW S SW E SW S SW S NW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1
POP 12HR 90 50 90 70 90 60 90 50 70
RAIN SHWRS C D C C L D L C L D L C L D C C C L
TSTMS S C C S C C S C S S C S S C
TNZ071-220800-
KNOXVILLE MCGHEE TYSON AIRPORT-BLOUNT TN
35.80N 83.98W ELEV. 979 FT
227 PM EDT THU MAY 21 2026
DATE 05/21/26 FRI 05/22/26 SAT 05/23/26 SUN
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 64 79 64 80 64
TEMP 75 73 70 68 66 66 73 77 78 76 71 69 67 65 73 77 80 77 70 67 65 66
DEWPT 69 69 68 66 65 65 69 72 72 70 68 65 65 65 70 72 72 71 68 65 64 65
RH 82 87 93 93 97 97 87 85 82 82 90 87 93100 90 85 77 82 93 93 97 97
WIND DIR E NE NE NE N N S S S S S S S SW SW SW SW SW S S N N
WIND SPD 2 3 2 1 0 0 1 3 4 3 3 2 3 3 6 9 8 4 1 1 0 0
CLOUDS B2 B2 B2 B2 B2 B2 B2 OV B1 OV B2 B2 OV B2 B2 B2 B1 B1 B1 B1 B2 B1
POP 12HR 60 90 90 100 50
QPF 12HR 0.04 0.35 0.36 0.24 0.02
RAIN SHWRS L C C C L L C C L C L D D D D D D C C C C L
TSTMS C S S S S C L S S S C C S
HEAT INDEX 84
MAX HEAT 84
DATE 05/24 MON 05/25/26 TUE 05/26/26 WED 05/27/26 THU 05/28/26
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 65 81 65 83 64 83 64 84
TEMP 81 79 69 67 78 78 69 67 80 78 69 66 81 79 69 66 82 80
DEWPT 72 71 66 66 72 71 66 66 72 70 65 65 72 70 64 64 70 69
PWIND DIR SW SW SW NE SW S SW S W
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS B1 B1 B2 B2 OV B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 SC B1 SC
POP 12HR 90 70 90 80 90 60 80 40 60
RAIN SHWRS L D L L D D D L L D L L C D C C C L
TSTMS S C C S C C S C S S C S S C
TNZ036-220800-
OAK RIDGE-ANDERSON TN
36.00N 84.24W ELEV. 913 FT
227 PM EDT THU MAY 21 2026
DATE 05/21/26 FRI 05/22/26 SAT 05/23/26 SUN
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 62 78 62 79 62
TEMP 74 72 68 67 65 65 71 75 77 74 69 67 65 63 71 77 79 75 69 67 65 63
DEWPT 68 69 67 66 65 65 69 72 72 70 68 66 65 63 70 72 73 71 68 65 64 63
RH 82 90 97 97100100 93 90 85 87 97 97100100 97 85 82 87 97 93 97100
WIND DIR E E NE NE NE S S S S S S SW SW SW S SW SW SW SW SW SW S
WIND SPD 2 2 2 1 1 1 1 3 4 3 3 2 3 4 6 8 6 2 1 1 1 1
CLOUDS B2 B2 B2 OV B2 OV B2 B2 B2 OV OV OV OV OV OV B2 B1 B2 B1 B2 B2 B2
POP 12HR 70 90 90 90 60
QPF 12HR 0.11 0.57 0.54 0.19 0.02
RAIN SHWRS C C C C L L L D L L L D D D D D D L L C C L
TSTMS C S S S S S L C S S S C C S
DATE 05/24 MON 05/25/26 TUE 05/26/26 WED 05/27/26 THU 05/28/26
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 63 80 63 82 63 83 62 84
TEMP 79 77 68 65 77 76 68 66 80 77 68 65 80 78 68 65 81 78
DEWPT 73 72 66 65 73 71 66 66 73 71 65 65 73 71 64 64 72 70
PWIND DIR SW SW SW E SW SW SW SW W
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 SC B1 SC
POP 12HR 80 80 90 80 90 60 80 30 60
RAIN SHWRS L D D L D D D D L D L L C D C S C L
TSTMS S C C S C C S C S S C S S C
TNZ099-220800-
CHATTANOOGA AIRPORT-HAMILTON TN
35.03N 85.22W ELEV. 688 FT
227 PM EDT THU MAY 21 2026
DATE 05/21/26 FRI 05/22/26 SAT 05/23/26 SUN
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 64 78 64 80 64
TEMP 76 74 70 68 66 67 73 76 77 75 70 68 67 67 72 78 80 78 70 67 65 67
DEWPT 70 70 69 67 65 65 69 73 72 71 69 66 65 65 70 73 73 72 69 66 65 65
RH 82 87 97 97 97 93 87 90 85 87 97 93 93 93 93 85 79 82 97 97100 93
WIND DIR NE NE N N N SE S S S S S S S S S S S S S N N S
WIND SPD 2 1 0 0 0 3 6 9 8 6 5 6 5 5 6 6 5 3 1 0 0 1
WIND GUST 17 19 19 16
CLOUDS B2 B2 B2 B1 OV OV B2 B2 B2 B2 OV OV B2 B2 B2 B1 B1 B1 B1 B1 B2 B2
POP 12HR 80 90 90 90 70
QPF 12HR 0.15 0.36 0.42 0.17 0.02
RAIN SHWRS C C C C L C C L D L D D D D D D D L L L L C
TSTMS C S S S S S C L C C S S S S S C C S
HEAT INDEX 84
MAX HEAT 84
DATE 05/24 MON 05/25/26 TUE 05/26/26 WED 05/27/26 THU 05/28/26
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 65 82 65 83 65 84 65 86
TEMP 81 79 69 67 80 78 69 67 81 78 69 67 82 79 69 67 83 80
DEWPT 73 72 67 66 73 71 67 66 73 71 66 65 72 71 66 65 71 70
PWIND DIR S S S S S SE S S SW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 SC SC B1 SC
POP 12HR 90 70 90 80 90 60 60 30 50
RAIN SHWRS C D L L L D D L L D L C C L C S C
TSTMS S C C S C C S C S S C S S C
NCZ060-220800-
TUSQUITEE RAWS-FORESTRY-CHEROKEE NC
35.07N 84.12W ELEV. 1600 FT
227 PM EDT THU MAY 21 2026
DATE 05/21/26 FRI 05/22/26 SAT 05/23/26 SUN
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 61 78 61 78 61
TEMP 74 72 67 64 63 63 71 76 76 72 67 64 64 63 70 76 78 74 66 63 62 63
DEWPT 65 66 65 64 62 63 67 68 67 66 65 64 63 63 68 69 68 67 65 63 62 63
RH 74 81 93100 97100 87 76 74 81 93100 97100 93 79 71 79 97100100100
MAX/MIN RH 100 69 100 71 100
WIND DIR E SE N SE SE SE SE S S S SE SE SE SE S S S SE SE N N N
WIND DIR DEG 9 14 0 12 14 15 14 16 16 16 13 13 13 13 17 18 18 15 13 0 0 0
WIND SPD 1 1 0 1 2 3 5 8 5 5 5 4 3 2 3 4 3 2 1 0 0 0
WIND GUST 17 16 16 14
CLOUDS B2 OV B2 B1 B2 OV B2 B1 B1 B2 B2 B2 OV B2 B2 B2 B1 B1 B1 B2 B2 B2
CLOUDS (%) 81 91 78 67 81 92 77 69 66 84 81 84 93 79 81 79 67 65 52 74 85 79
VSBY 9 10 9 7 6 5 7 6 4 7 4 3
POP 12HR 80 80 100 100 60
QPF 12HR 0.23 0.24 0.54 0.37 0.02
RAIN SHWRS C C C C L L C L L C D D D D D D D L L C C L
TSTMS C S S S S C L L C S S S S C C C S
CHANCETHUNDER 20 60 30 40 20
MAX MIX HGT
AGL MIX HGT 3200 2300
MAX VENT RT 44800 23300
T WIND DIR S S
T WIND SPD 13 9
ADI 45 23
MAX LVORI 9 9
STABILITY B F D B C D F B B F F
CEILING NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE
STA PRES 27.92 27.92 27.95 27.94 27.93 27.94 27.97 28.00 27.97 28.01 28.01
DATE 05/24 MON 05/25/26 TUE 05/26/26 WED 05/27/26 THU 05/28/26
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 62 82 62 82 61 83 61 83
TEMP 79 76 65 64 78 76 65 64 79 76 64 63 80 76 64 63 80 76
DEWPT 70 68 65 64 71 68 65 64 71 67 64 63 70 67 63 62 68 66
PWIND DIR S SE S SE S SE SW N W
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS B2 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC
POP 12HR 90 70 90 80 90 60 80 30 60
RAIN SHWRS L D L L L D D L L D L C L D C C L
TSTMS S C C S L C S C 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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