027
FOUS54 KMRX 181341
PFMMRX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE MORRISTOWN TN
841 AM EST WED FEB 18 2026
TNZ017-182100-
TRI CITIES AIRPORT-SULLIVAN TN
36.50N 82.41W ELEV. 1536 FT
841 AM EST WED FEB 18 2026
DATE WED 02/18/26 THU 02/19/26 FRI 02/20/26
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 63 53 71 55 66
TEMP 49 60 61 59 55 55 54 53 58 66 70 64 58 58 57 56 60 64 65 58
DEWPT 43 51 52 52 53 53 53 53 56 58 56 54 52 53 56 55 53 45 39 36
RH 80 72 72 78 93 93 96100 93 75 61 70 80 83 96 96 78 50 38 44
WIND DIR SW SW SW SW W S SE SE S SW SW S S S SW SW W W W W
WIND SPD 6 12 10 5 2 2 2 2 3 8 9 4 5 6 6 9 13 16 14 6
WIND GUST 17 24 26
CLOUDS B1 B2 OV OV OV OV OV B2 B2 B1 SC FW SC B1 B2 B2 B1 FW FW SC
POP 12HR 20 60 50 70 40
QPF 12HR 0 0.04 0.05 0.15 0.09
RAIN SHWRS S C L C C C C C S S L L C C
DATE SAT 02/21/26 SUN 02/22/26 MON 02/23/26 TUE 02/24/26
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 36 44 25 36 21 43
TEMP 47 42 54 52 46 40 41 37 29 26 34 32 26 21 39 36
DEWPT 36 37 41 42 41 37 28 23 21 18 17 17 17 15 16 18
PWIND DIR W NW NW W NW NW NW W
WIND CHAR LT LT LT GN GN GN LT LT
AVG CLOUDS SC B1 B1 B1 B2 B2 B1 B2 B2 B2 B2 B1 B1 SC SC FW
POP 12HR 40 40 60 40 30 10 5 0
RAIN SHWRS C C C C L C
SNOWSHWRS C C C S
TNZ071-182100-
KNOXVILLE MCGHEE TYSON AIRPORT-BLOUNT TN
35.80N 83.98W ELEV. 979 FT
841 AM EST WED FEB 18 2026
DATE WED 02/18/26 THU 02/19/26 FRI 02/20/26
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 65 59 74 60 69
TEMP 62 63 64 63 60 60 59 60 63 71 73 69 68 66 63 60 63 67 69 62
DEWPT 51 53 54 55 56 56 57 57 58 57 56 55 56 58 58 57 52 42 38 38
RH 67 70 70 75 87 87 93 90 84 61 55 61 65 75 84 90 67 40 32 41
WIND DIR SW SW SW SW SW SW SW S SW SW SW SW SW SW SW SW SW W W W
WIND SPD 17 18 13 8 5 4 5 5 10 17 16 10 13 13 13 11 12 13 11 4
WIND GUST 24 26 25
CLOUDS B2 OV OV OV OV OV B2 B2 B2 B1 SC SC B1 B2 B2 B2 SC SC SC B1
POP 12HR 20 50 40 80 40
QPF 12HR 0 0.03 0.02 0.18 0.06
RAIN SHWRS S C C C C C S S S S D D C C S
TSTMS S S
DATE SAT 02/21/26 SUN 02/22/26 MON 02/23/26 TUE 02/24/26
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 47 61 36 45 27 40 23 48
TEMP 50 47 58 54 47 40 43 39 31 27 38 36 29 24 43 41
DEWPT 40 40 45 44 42 36 25 22 20 18 16 17 17 16 17 20
PWIND DIR NW N NW W NW NW N N
WIND CHAR LT LT LT GN GN GN LT LT
AVG CLOUDS B2 B2 B2 B1 B2 B1 SC B1 B1 B1 B1 B1 SC SC SC FW
POP 12HR 50 40 50 20 10 5 0 0
RAIN SHWRS S C C C C C S
SNOWSHWRS S
TNZ036-182100-
OAK RIDGE-ANDERSON TN
36.00N 84.24W ELEV. 913 FT
841 AM EST WED FEB 18 2026
DATE WED 02/18/26 THU 02/19/26 FRI 02/20/26
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 63 57 72 58 69
TEMP 59 60 62 61 60 58 58 58 62 68 72 68 65 65 61 59 62 67 68 61
DEWPT 53 55 55 56 57 57 57 58 60 60 58 57 57 59 58 56 51 40 37 37
RH 80 84 78 84 90 96 96100 93 76 61 68 75 81 90 90 67 37 32 41
WIND DIR SW SW SW SW SW SW S S SW SW SW SW SW SW SW SW W W W W
WIND SPD 13 13 10 5 3 2 3 5 9 13 13 9 10 10 10 8 9 10 8 3
WIND GUST 26 24 19 24 19 23 23 23 19 19
CLOUDS OV OV OV OV OV OV OV OV B2 B1 SC SC B2 B2 B2 B1 SC SC SC B1
POP 12HR 20 60 40 80 30
QPF 12HR 0 0.04 0.03 0.23 0.04
RAIN SHWRS S S C L L C C S S C C D D C C S
TSTMS S S
DATE SAT 02/21/26 SUN 02/22/26 MON 02/23/26 TUE 02/24/26
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 46 61 35 46 26 41 23 48
TEMP 50 46 57 53 46 39 44 39 30 27 39 35 28 24 43 40
DEWPT 39 39 44 43 41 34 25 22 19 18 17 17 17 16 18 20
PWIND DIR NW NE NW NW NW NW N E
WIND CHAR LT LT LT GN LT LT LT LT
AVG CLOUDS B1 B2 B1 B1 B2 B1 SC B1 B1 B1 B1 B1 SC SC FW FW
POP 12HR 40 40 50 20 10 0 0 0
RAIN SHWRS S C C C C C
SNOWSHWRS S
TNZ099-182100-
CHATTANOOGA AIRPORT-HAMILTON TN
35.03N 85.22W ELEV. 688 FT
841 AM EST WED FEB 18 2026
DATE WED 02/18/26 THU 02/19/26 FRI 02/20/26
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 68 59 77 60 73
TEMP 60 65 68 65 62 61 61 61 64 71 76 71 69 67 64 60 64 70 73 66
DEWPT 54 57 57 58 59 59 59 59 61 59 58 58 59 61 61 58 51 41 38 40
RH 81 75 68 78 90 93 93 93 90 66 54 63 70 81 90 93 63 35 28 38
WIND DIR S SW SW S S S S S S S S S S S SW W W W W W
WIND SPD 10 10 9 4 3 3 5 5 9 11 12 9 9 10 10 5 5 8 6 3
WIND GUST 21 19 19 19 20 21 16
CLOUDS OV OV OV OV OV OV OV OV B2 B1 SC SC B1 B2 B2 B2 SC SC B1 B1
POP 12HR 10 30 20 80 30
QPF 12HR 0 0 0 0.15 0.04
RAIN SHWRS S C S S S S D D C C C
TSTMS S
DATE SAT 02/21/26 SUN 02/22/26 MON 02/23/26 TUE 02/24/26
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 49 67 37 49 27 45 25 52
TEMP 55 49 62 60 51 40 47 43 32 28 42 38 30 26 47 45
DEWPT 43 44 49 50 44 34 24 22 20 17 17 18 19 18 19 23
PWIND DIR N N NW NW NW N N NE
WIND CHAR LT LT LT GN GN GN LT LT
AVG CLOUDS B2 B2 B2 SC B1 B1 SC FW SC SC SC SC SC FW FW FW
POP 12HR 60 50 50 10 5 0 0 0
RAIN SHWRS C L C C C C
TSTMS S S
NCZ060-182100-
TUSQUITEE RAWS-FORESTRY-CHEROKEE NC
35.07N 84.12W ELEV. 1600 FT
841 AM EST WED FEB 18 2026
DATE WED 02/18/26 THU 02/19/26 FRI 02/20/26
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 64 55 72 58 70
TEMP 58 60 62 61 58 57 56 55 60 67 72 66 63 62 60 58 60 67 69 62
DEWPT 52 53 53 53 54 55 55 55 58 57 55 55 55 57 59 57 54 43 38 38
RH 80 78 72 75 86 93 96100 93 70 55 68 75 84 96 96 81 42 32 41
MIN/MAX RH 70 100 55 96 32
WIND DIR SW SW SW S S S S S S SW S S S S SW W W W W W
WIND DIR DEG 20 21 21 18 16 17 17 17 19 20 19 18 18 19 21 24 26 27 27 28
WIND SPD 5 6 5 2 2 1 2 2 5 8 8 4 5 5 5 5 5 9 6 2
WIND GUST 14 16 18 19 18 17
CLOUDS OV OV OV OV OV OV B2 B2 OV B1 SC SC B1 B2 OV B2 B1 SC SC B1
CLOUDS (%) 90 93 93 96 95 95 85 81 88 61 48 43 60 75 90 87 69 32 43 54
VSBY 10 10 10 10 10 7 7 7 7 10 10 10
POP 12HR 10 30 40 70 40
QPF 12HR 0 0 0.01 0.14 0.07
RAIN SHWRS C S C C L L C C S
CHANCETHUNDER 0 0 0 10 10
MAX MIX HGT
AGL MIX HGT 2300 3700 4000
MAX VENT RT 33800 69800 75100
T WIND DIR SW SW W
T WIND SPD 11 16 17
ADI 29 70 75
MAX LVORI 4 9 5
STABILITY C D D D C B E D B B
CEILING NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE
STA PRES 27.83 27.79 27.76 27.75 27.73 27.68 27.67 27.67 27.74 27.74
DATE SAT 02/21/26 SUN 02/22/26 MON 02/23/26 TUE 02/24/26
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 47 64 33 46 22 41 18 51
TEMP 50 47 61 57 47 37 42 38 27 22 37 33 25 19 46 41
DEWPT 41 42 49 47 43 34 24 19 18 16 15 15 16 15 16 18
PWIND DIR NW NW NW NW NW NW N NW
WIND CHAR LT LT LT GN GN GN LT LT
AVG CLOUDS B1 B2 B2 B1 B1 B1 SC SC B1 B1 B1 SC SC SC FW FW
POP 12HR 50 50 50 20 10 5 0 0
RAIN SHWRS S C C C C C
SNOWSHWRS S
TSTMS 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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