Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
657 FOUS54 KMRX 050532 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 1232 AM EST Fri Dec 5 2025 TNZ017-052100- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 1232 AM EST Fri Dec 5 2025 Date Fri 12/05/25 Sat 12/06/25 Sun 12/07/25 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 41 36 45 29 46 Temp 35 35 37 39 41 39 38 37 37 36 39 43 45 40 35 33 31 30 37 44 46 42 Dewpt 35 35 37 39 38 38 37 37 36 36 39 39 36 35 33 32 30 29 35 38 37 37 RH 100100100100 89 96 96100 96100100 86 70 82 92 96 96 96 92 79 71 82 Wind Dir NE E NE W W SW SW SW W SW SW W W SW SW E E E SE W W SW Wind Spd 1 1 1 2 2 1 1 1 1 2 5 6 5 1 1 1 1 1 2 3 3 2 Clouds OV OV OV OV OV OV OV OV OV OV OV B2 B1 SC SC SC B1 B2 B2 B2 B2 B2 PoP 12hr 40 0 0 0 30 QPF 12hr 0.03 0 0 0 0.01 Drizzle O Rain shwrs L C C C C Winter Weath Y Date Mon 12/08/25 Tue 12/09/25 Wed 12/10/25 Thu 12/11/25 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 29 38 24 45 28 50 31 40 Temp 36 29 35 32 26 25 42 37 30 29 47 44 40 32 38 33 Dewpt 35 29 28 24 23 23 30 28 26 26 32 32 35 31 29 24 PWind Dir NW N E SW SW SW SW W Wind Char LT LT LT LT LT GN GN GN Avg Clouds B2 B2 B2 SC SC B1 SC FW FW SC B1 B1 B2 B2 B2 B1 PoP 12hr 50 20 5 0 0 10 50 30 Rain shwrs C S S C C C S Snowshwrs S S C C $$ TNZ071-052100- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 1232 AM EST Fri Dec 5 2025 Date Fri 12/05/25 Sat 12/06/25 Sun 12/07/25 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 45 37 49 32 48 Temp 37 37 39 42 44 43 41 40 39 37 42 46 49 43 38 35 34 34 39 46 48 45 Dewpt 36 37 39 40 41 40 39 39 39 37 40 40 39 38 36 34 33 33 37 39 40 41 RH 96100100 93 89 89 92 96100100 93 79 68 82 92 96 96 96 92 76 74 86 Wind Dir NE N N SW SW SW SW SW W SW SW SW SW S SE E E E SW W W W Wind Spd 1 0 1 2 2 1 1 1 2 2 3 5 4 2 1 1 1 1 2 3 3 2 Clouds OV OV OV OV OV OV OV OV OV OV OV B2 B1 FW FW SC B2 B2 B2 B2 B2 B2 PoP 12hr 20 0 5 0 30 QPF 12hr 0.01 0 0 0 0 Rain shwrs C S C C C Date Mon 12/08/25 Tue 12/09/25 Wed 12/10/25 Thu 12/11/25 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 34 43 29 49 34 54 34 44 Temp 40 34 40 37 31 30 47 43 36 35 52 50 45 35 42 37 Dewpt 39 33 32 29 26 27 32 31 30 29 35 37 38 34 30 27 PWind Dir N NE N SW SW SW SW W Wind Char LT LT LT GN GN BZ GN GN Avg Clouds B2 OV B2 SC SC B1 SC FW FW SC SC B1 B2 B2 B1 SC PoP 12hr 40 20 5 0 0 10 50 30 Rain shwrs C S S S C C C S Snowshwrs S S $$ TNZ036-052100- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 1232 AM EST Fri Dec 5 2025 Date Fri 12/05/25 Sat 12/06/25 Sun 12/07/25 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 45 35 48 32 48 Temp 36 36 39 43 44 41 39 38 37 35 40 46 48 41 35 34 33 34 39 46 48 43 Dewpt 35 35 39 40 40 39 39 38 37 35 39 39 39 38 35 33 33 33 38 39 40 40 RH 96 96100 89 86 92100100100100 96 76 71 89100 96100 96 96 76 74 89 Wind Dir NE NE N SW SW SW SW W W SW W SW SW SW N NE NE E S SW W W Wind Spd 1 1 1 2 1 1 1 1 1 1 2 3 2 1 1 1 1 1 2 2 2 2 Clouds OV OV B2 OV B2 OV OV OV B2 OV B2 B2 SC FW FW B1 OV OV OV B2 B1 B2 PoP 12hr 10 0 0 0 30 QPF 12hr 0 0 0 0 0 Drizzle O Rain shwrs S C C C Winter Weath Y Date Mon 12/08/25 Tue 12/09/25 Wed 12/10/25 Thu 12/11/25 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 32 42 27 48 33 53 32 42 Temp 38 32 40 35 28 28 45 41 35 34 50 48 43 33 42 35 Dewpt 37 31 31 27 25 27 33 32 31 32 37 37 38 32 29 26 PWind Dir N N N SW SW SW W W Wind Char LT LT LT LT LT GN LT LT Avg Clouds B2 OV B2 SC SC B1 SC FW FW SC B1 B1 B2 B2 B1 B1 PoP 12hr 50 10 5 0 0 10 50 30 Rain shwrs C S C C C Snowshwrs S C C $$ TNZ099-052100- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 1232 AM EST Fri Dec 5 2025 Date Fri 12/05/25 Sat 12/06/25 Sun 12/07/25 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 49 37 51 35 52 Temp 39 39 42 46 48 45 42 40 39 38 42 48 51 44 39 37 36 37 42 50 52 48 Dewpt 39 39 41 42 42 43 42 40 39 38 40 40 39 40 38 37 36 36 40 41 43 45 RH 100100 96 86 80 93100100100100 93 74 63 86 96100100 96 93 71 71 89 Wind Dir N NE N NW SW SW SW SW SW SW W W W SW N N SE S S S SW NW Wind Spd 0 1 1 2 2 1 1 1 1 1 2 2 2 1 0 0 1 1 2 4 4 2 Clouds OV OV OV OV OV OV OV OV B2 B2 OV B2 SC FW FW SC B1 B2 B2 B2 B2 B2 PoP 12hr 5 0 5 0 20 QPF 12hr 0 0 0 0 0 Drizzle O Rain shwrs S S S C Date Mon 12/08/25 Tue 12/09/25 Wed 12/10/25 Thu 12/11/25 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 38 48 31 51 34 56 36 47 Temp 42 38 45 40 33 31 49 44 36 34 54 51 45 36 45 40 Dewpt 42 36 33 30 29 30 33 34 34 33 38 41 41 35 30 30 PWind Dir N N N S S S W NW Wind Char LT LT LT LT LT GN LT LT Avg Clouds B2 B2 B1 SC SC SC SC FW FW SC SC B1 B1 B1 SC B1 PoP 12hr 30 10 0 0 0 10 30 20 Rain shwrs C S C C S $$ NCZ060-052100- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 1232 AM EST Fri Dec 5 2025 Date Fri 12/05/25 Sat 12/06/25 Sun 12/07/25 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 47 36 49 29 51 Temp 38 38 40 44 45 44 40 40 38 36 40 46 48 42 35 33 31 31 39 49 50 45 Dewpt 38 38 40 42 41 41 40 39 38 36 40 39 37 37 34 32 31 30 36 38 40 41 RH 100100100 93 86 89100 96100100100 76 65 82 96 96100 96 89 66 68 86 Min/Max RH 79 100 65 100 63 Wind Dir N N S NW W N N N N N W W W N N N N SE SE S SW W Wind Dir Deg 0 0 18 29 28 0 0 0 0 0 24 26 27 0 0 0 0 12 14 18 22 27 Wind Spd 0 0 1 2 2 0 0 0 0 0 1 3 2 0 0 0 0 1 2 3 3 2 Clouds OV OV OV OV OV OV OV OV OV OV OV OV B1 FW FW SC B1 B1 B1 B2 B2 B2 Clouds (%) 99 93 96 92 94 94 95 94 96 96 97 89 64 22 22 33 53 63 66 73 81 83 Vsby 3 7 7 7 7 7 7 7 7 7 10 10 PoP 12hr 20 5 10 5 20 QPF 12hr 0.01 0 0 0 0 Rain shwrs L S S S C ChanceThunder 0 0 0 0 0 Max Mix Hgt AGL Mix Hgt 1500 2600 2600 Max Vent Rt 7400 23900 20600 T Wind Dir SW W S T Wind Spd 4 6 6 ADI 7 23 21 Max LVORI 10 9 9 Stability D B B D D B B G F B B Ceiling NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE Sta Pres 27.86 27.84 27.81 27.80 27.80 27.81 27.82 27.84 27.82 27.78 27.81 Date Mon 12/08/25 Tue 12/09/25 Wed 12/10/25 Thu 12/11/25 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 34 46 28 49 28 53 31 45 Temp 40 34 43 38 31 29 47 39 31 29 51 47 42 32 43 36 Dewpt 39 34 33 30 29 27 30 29 28 27 32 35 37 32 29 26 PWind Dir NW NW E S SE S W NW Wind Char LT LT LT LT LT LT LT LT Avg Clouds B2 OV B2 SC SC B1 SC FW FW SC SC B1 B1 B2 B1 SC PoP 12hr 50 20 5 0 0 10 40 30 Rain shwrs C C S S C C C S Snowshwrs C S C 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 $$