624
FOUS54 KMRX 180632
PFMMRX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE MORRISTOWN TN
131 AM EST THU DEC 18 2025
TNZ017-182100-
TRI CITIES AIRPORT-SULLIVAN TN
36.50N 82.41W ELEV. 1536 FT
131 AM EST THU DEC 18 2025
DATE THU 12/18/25 FRI 12/19/25 SAT 12/20/25
EST 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
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 59 36 42 25 56
TEMP 35 36 45 57 58 55 54 51 43 37 37 40 40 34 30 27 25 26 37 53 55 46
DEWPT 25 27 39 48 50 49 51 50 41 34 32 27 24 24 23 23 21 20 24 29 33 30
RH 66 69 79 72 75 80 90 96 93 89 82 59 52 66 75 85 84 78 59 39 43 53
WIND DIR E SE SE S S S S W SW W W W W W SW S E E SE SW S S
WIND SPD 2 3 4 6 9 9 11 13 13 14 17 16 11 4 2 1 1 1 2 3 3 4
WIND GUST 19 23 29 28 26 27
CLOUDS B1 B1 B2 B2 OV B2 B2 OV B1 B1 SC FW CL CL FW FW FW FW FW FW CL FW
POP 12HR 50 90 10 0 0
QPF 12HR 0.05 0.31 0 0 0
RAIN S
RAIN SHWRS C C L D
SPRINKLES S
WIND CHILL 36 29 27 31 33
MIN CHILL 32 32 28 24 29 26 23 27
DATE SUN 12/21/25 MON 12/22/25 TUE 12/23/25 WED 12/24/25
EST 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 36 50 24 50 32 48 42 55
TEMP 40 38 48 37 27 24 47 41 34 35 45 46 45 44 53 52
DEWPT 29 34 31 22 20 18 21 23 22 24 36 40 45 44 51 49
PWIND DIR SW W N E SE SW SW SW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC B2 SC FW FW SC SC SC B1 B1 B2 B2 B2 OV B2 B2
POP 12HR 10 10 10 5 20 30 30 20
RAIN SHWRS S C C C C S
TNZ071-182100-
KNOXVILLE MCGHEE TYSON AIRPORT-BLOUNT TN
35.80N 83.98W ELEV. 979 FT
131 AM EST THU DEC 18 2025
DATE THU 12/18/25 FRI 12/19/25 SAT 12/20/25
EST 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
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 61 36 45 27 58
TEMP 37 38 45 56 59 57 58 51 43 38 38 43 44 37 33 30 28 28 38 53 57 50
DEWPT 31 34 41 47 51 53 54 48 39 33 30 29 28 28 26 25 23 22 27 31 35 29
RH 79 85 86 72 75 86 86 89 86 82 73 57 53 70 75 81 81 78 64 43 43 44
WIND DIR NE NE W S S SW SW W SW W W W W SW S SE E E SW SW SW SW
WIND SPD 2 2 3 5 10 11 14 14 12 12 11 10 6 2 2 2 1 1 2 6 9 9
WIND GUST 23 29 26 24
CLOUDS B1 B2 OV OV OV B2 B2 OV SC SC FW CL CL FW FW FW FW FW FW FW FW FW
POP 12HR 60 100 5 0 0
QPF 12HR 0.03 0.42 0 0 0
RAIN SHWRS S C C D C
TSTMS S
WIND CHILL 36 30 31 37
MIN CHILL 36 37 30 28 37 30 27 30
DATE SUN 12/21/25 MON 12/22/25 TUE 12/23/25 WED 12/24/25
EST 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 40 54 30 52 36 54 47 62
TEMP 46 42 52 42 34 30 49 44 38 39 52 52 50 49 60 57
DEWPT 34 39 35 27 24 22 27 29 26 29 42 45 47 48 54 53
PWIND DIR SW N NE NE S SW SW SW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC B2 B1 FW SC SC SC SC SC B1 B2 B1 B2 B2 B2 B2
POP 12HR 20 20 10 10 20 30 30 20
RAIN SHWRS S S S S C S C C S
TNZ036-182100-
OAK RIDGE-ANDERSON TN
36.00N 84.24W ELEV. 913 FT
131 AM EST THU DEC 18 2025
DATE THU 12/18/25 FRI 12/19/25 SAT 12/20/25
EST 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
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 58 33 45 26 55
TEMP 36 38 45 52 56 55 56 48 41 35 37 43 43 35 32 29 27 27 37 51 55 49
DEWPT 30 33 41 49 51 53 55 45 37 31 28 27 26 26 26 25 24 22 27 30 33 30
RH 79 82 86 89 83 93 96 89 85 85 70 53 51 69 78 85 88 81 67 44 43 48
WIND DIR E SW W SW SW SW SW W W W W W W W W E N E S SW SW SW
WIND SPD 1 1 2 4 5 8 10 10 8 9 9 6 4 2 1 1 1 1 2 5 6 5
WIND GUST 16 20 26 19 17 17
CLOUDS B1 B2 OV OV OV OV OV B2 SC B1 FW CL CL FW FW FW FW FW FW FW FW FW
POP 12HR 70 90 5 0 0
QPF 12HR 0.06 0.39 0 0 0
RAIN SHWRS S C C C D C
TSTMS S
WIND CHILL 28 30
MIN CHILL 35 39 28 25 35 29 26 30
DATE SUN 12/21/25 MON 12/22/25 TUE 12/23/25 WED 12/24/25
EST 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 39 53 29 50 36 52 46 60
TEMP 44 40 51 40 33 29 47 42 38 40 50 50 48 48 58 56
DEWPT 35 38 32 26 23 21 26 29 26 29 42 45 47 47 54 53
PWIND DIR SW N NE SE SW SW SW SW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC B2 B1 FW SC SC SC SC SC B1 B2 B2 B2 B2 B2 B2
POP 12HR 20 20 10 10 20 30 30 10
RAIN SHWRS S S S C S C C
TNZ099-182100-
CHATTANOOGA AIRPORT-HAMILTON TN
35.03N 85.22W ELEV. 688 FT
131 AM EST THU DEC 18 2025
DATE THU 12/18/25 FRI 12/19/25 SAT 12/20/25
EST 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
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 60 36 50 29 58
TEMP 41 44 50 56 59 58 57 49 43 37 40 47 48 40 35 32 30 30 40 55 58 52
DEWPT 37 43 49 53 54 57 57 45 38 31 30 29 29 31 30 28 27 25 29 30 33 34
RH 85 96 96 90 83 96100 86 82 79 67 49 47 70 82 85 88 81 64 38 39 50
WIND DIR S S S S S S SW W W W NW NW W W N N N S S S S S
WIND SPD 2 4 8 10 13 12 12 9 6 6 6 6 5 2 1 1 1 1 4 10 10 8
WIND GUST 20 24 24 25 19 17
CLOUDS B2 OV OV OV OV OV OV SC FW FW FW CL CL FW FW FW FW FW FW CL FW FW
POP 12HR 90 90 0 0 0
QPF 12HR 0.15 0.26 0 0 0
RAIN SHWRS L D L C L S
TSTMS S S
DATE SUN 12/21/25 MON 12/22/25 TUE 12/23/25 WED 12/24/25
EST 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 42 58 32 55 40 59 47 65
TEMP 46 43 56 46 37 32 52 49 42 41 54 54 49 49 63 60
DEWPT 37 42 38 30 26 25 26 28 27 29 41 48 49 49 55 56
PWIND DIR S N NE SE S S S SW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC B2 SC FW FW SC SC FW SC B1 B2 B1 B1 B2 B2 B1
POP 12HR 30 20 10 10 10 10 10 5
RAIN SHWRS C S
NCZ060-182100-
TUSQUITEE RAWS-FORESTRY-CHEROKEE NC
35.07N 84.12W ELEV. 1600 FT
131 AM EST THU DEC 18 2025
DATE THU 12/18/25 FRI 12/19/25 SAT 12/20/25
EST 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
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 58 33 46 26 58
TEMP 39 43 49 55 56 55 54 51 41 34 37 44 44 36 31 28 27 28 43 57 56 44
DEWPT 36 42 49 51 51 52 53 49 38 31 31 28 25 26 24 22 20 18 24 25 26 27
RH 89 96100 86 83 90 96 93 89 89 79 53 47 67 75 78 74 66 47 29 31 51
MIN/MAX RH 80 100 47 78 28
WIND DIR SE SE SE S S S S W W NW NW NW NW NW N N N SE SE S S SE
WIND DIR DEG 12 12 14 16 16 16 18 27 27 29 29 30 30 30 33 0 0 12 14 16 16 14
WIND SPD 3 5 5 8 10 8 9 9 6 8 9 9 6 2 1 0 0 1 3 5 5 3
WIND GUST 16 20 24 25 17 21 20
CLOUDS OV OV OV OV OV OV OV OV SC FW FW CL FW FW FW FW FW FW FW FW FW FW
CLOUDS (%) 96 98 93 91 97 95 89 96 27 17 17 2 6 8 9 9 10 9 8 6 8 13
VSBY 10 10 10 5 4 7 3 7 10 10 10 10
POP 12HR 70 100 5 0 0
QPF 12HR 0.05 0.42 0 0 0
RAIN SHWRS S L L C D C
TSTMS S S
WIND CHILL 27 30
MIN CHILL 37 27 25 36 28 26 32
CHANCETHUNDER 5 20 0 0 0
MAX MIX HGT
AGL MIX HGT 1600 2800 2300
MAX VENT RT 23300 47700 32700
T WIND DIR SE NW SE
T WIND SPD 13 16 11
ADI 23 47 33
MAX LVORI 8 5 3
STABILITY D C D D F C B G G C B
CEILING NONE NONE NONE NONE 23500 NONE NONE NONE NONE NONE NONE
STA PRES 27.92 27.82 27.71 27.62 27.80 27.88 27.98 27.99 27.99 27.96 27.96
DATE SUN 12/21/25 MON 12/22/25 TUE 12/23/25 WED 12/24/25
EST 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 36 56 26 54 33 54 42 62
TEMP 39 39 54 42 32 27 53 41 35 35 52 50 45 44 59 56
DEWPT 32 38 38 27 23 20 22 22 21 25 42 43 44 44 52 50
PWIND DIR SE NW NE SE SE S S SW
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS SC B2 B1 SC FW FW SC SC SC B1 B1 B1 B1 B2 B2 B2
POP 12HR 20 20 10 10 20 20 20 10
RAIN SHWRS S S S S S S 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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