Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
491 FOUS54 KMRX 050017 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 717 PM EST Thu Dec 4 2025 TNZ017-050900- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 717 PM EST Thu Dec 4 2025 Date 12/04/25 Fri 12/05/25 Sat 12/06/25 Sun EST 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 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 34 42 36 46 31 Temp 35 34 35 35 38 40 42 41 38 38 38 37 40 44 46 41 36 34 33 31 Dewpt 30 34 34 35 37 40 39 39 38 38 37 37 40 39 37 36 34 33 31 31 RH 82100 96100 96100 89 92100100 96100100 82 71 82 92 96 92100 Wind Dir NE E E E E SW SW SW SW SW SW SW SW W W SW SW E E E Wind Spd 3 2 2 1 2 2 2 1 1 1 1 2 4 6 5 2 1 1 1 1 Clouds OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B1 SC SC B1 B1 PoP 12hr 90 50 5 5 5 QPF 12hr 0.35 0.02 0 0 0 Rain shwrs D D D C Sleet D Snowshwrs D Winter Weath Y Y Y Date 12/07 Mon 12/08/25 Tue 12/09/25 Wed 12/10/25 Thu 12/11/25 EST 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 48 30 39 23 45 29 49 33 42 Temp 45 43 36 30 36 32 25 25 43 39 31 29 47 43 39 34 40 35 Dewpt 38 37 34 29 28 24 22 22 30 30 28 27 34 32 35 34 32 27 PWind Dir NW N N E SW SW SW SW W Wind Char LT LT LT LT GN LT GN GN GN Avg Clouds B1 B1 B2 B2 B2 SC SC B1 B1 SC SC SC B1 B1 B1 B2 B2 B1 PoP 12hr 20 40 20 10 5 10 10 50 30 Frzg rain C S Rain shwrs S C C S C C C S Snowshwrs S $$ TNZ071-050900- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 717 PM EST Thu Dec 4 2025 Date 12/04/25 Fri 12/05/25 Sat 12/06/25 Sun EST 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 36 45 37 49 34 Temp 38 37 37 37 39 42 44 43 41 40 39 39 43 47 49 44 40 37 35 34 Dewpt 34 36 36 36 39 41 41 41 40 40 39 39 41 41 40 39 37 35 34 33 RH 85 96 96 96100 96 89 93 96100100100 93 79 71 82 89 92 96 96 Wind Dir N NE N N NE N SW SW SW SW SW SW SW W W SW SE E E E Wind Spd 2 2 1 0 1 2 2 1 1 2 2 2 3 5 3 2 1 1 1 2 Clouds OV OV OV OV OV OV OV B2 OV OV OV OV OV B2 B1 SC SC SC B2 B2 PoP 12hr 90 40 5 10 5 QPF 12hr 0.37 0.01 0 0 0 Rain shwrs D D L C S Date 12/07 Mon 12/08/25 Tue 12/09/25 Wed 12/10/25 Thu 12/11/25 EST 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 49 35 44 28 50 34 54 36 46 Temp 46 45 40 35 42 38 31 29 48 44 36 34 52 49 44 37 44 39 Dewpt 40 40 38 33 32 29 27 27 33 32 31 31 35 36 39 36 32 30 PWind Dir N N NE NE SW SW SW SW W Wind Char LT LT LT LT GN LT GN GN GN Avg Clouds B2 B2 B2 OV B2 SC SC B1 SC FW FW SC B1 B1 B1 B2 B2 B1 PoP 12hr 20 40 20 5 5 5 10 50 30 Rain shwrs S S C C S C C C S $$ TNZ036-050900- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 717 PM EST Thu Dec 4 2025 Date 12/04/25 Fri 12/05/25 Sat 12/06/25 Sun EST 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 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 34 45 36 49 34 Temp 36 35 35 36 39 43 44 42 39 39 38 37 42 47 49 43 37 35 34 34 Dewpt 33 34 35 36 39 41 40 40 39 38 38 37 40 40 39 38 36 35 34 34 RH 89 96100100100 93 86 93100 96100100 93 76 68 82 96100100100 Wind Dir NE NE NE SE E S SW SW SW SW SW SW SW SW SW W N NE NE NE Wind Spd 2 1 1 1 1 2 2 1 1 1 2 2 2 3 2 1 1 1 1 1 Clouds OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B1 SC SC SC B2 B2 PoP 12hr 90 30 5 5 5 QPF 12hr 0.36 0.01 0 0 0 Rain shwrs D D C C S Winter Weath Y Y Y Date 12/07 Mon 12/08/25 Tue 12/09/25 Wed 12/10/25 Thu 12/11/25 EST 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 47 33 43 27 49 32 52 34 46 Temp 45 43 38 33 42 36 28 28 46 42 34 34 50 47 42 35 44 37 Dewpt 40 40 37 32 30 28 25 26 34 33 31 32 36 37 38 34 32 30 PWind Dir N N NE N SW SW SW SW W Wind Char LT LT LT LT LT LT GN LT LT Avg Clouds B2 B1 B2 B2 B1 FW SC B1 SC FW FW B1 B1 B1 B1 B2 B2 B1 PoP 12hr 20 40 10 5 5 5 10 50 20 Rain shwrs S S C C C C S S $$ TNZ099-050900- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 717 PM EST Thu Dec 4 2025 Date 12/04/25 Fri 12/05/25 Sat 12/06/25 Sun EST 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 38 49 39 51 36 Temp 40 39 39 39 42 46 48 46 43 42 40 40 44 49 51 45 40 38 37 36 Dewpt 38 39 38 39 41 42 42 43 43 41 40 40 42 41 40 41 39 38 37 36 RH 92100 96100 96 86 80 89100 96100100 93 74 66 86 96100100100 Wind Dir N NE N N NE N SE S S SW SW SW SW W W S N NE NE E Wind Spd 2 1 1 1 1 2 2 1 1 1 1 1 1 2 2 1 0 1 1 1 Clouds OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B1 SC SC SC B1 B2 PoP 12hr 100 20 5 10 10 QPF 12hr 0.27 0.01 0 0 0 Rain shwrs D D C S S Date 12/07 Mon 12/08/25 Tue 12/09/25 Wed 12/10/25 Thu 12/11/25 EST 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 52 38 48 30 52 34 57 36 50 Temp 49 48 42 38 45 41 32 30 50 44 36 34 54 51 44 37 48 42 Dewpt 42 43 41 37 33 32 30 29 33 34 34 33 37 39 42 37 33 33 PWind Dir SE N N NE SW S SW SW NW Wind Char LT LT LT LT LT LT GN LT LT Avg Clouds B2 B2 B2 B2 B1 FW FW SC SC FW FW SC SC SC B1 B1 B1 SC PoP 12hr 20 30 10 0 0 0 5 40 20 Rain shwrs S S C C C C S S $$ NCZ060-050900- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 717 PM EST Thu Dec 4 2025 Date 12/04/25 Fri 12/05/25 Sat 12/06/25 Sun EST 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 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 36 48 37 49 31 Temp 39 38 38 38 41 46 46 43 41 40 39 39 41 47 48 43 37 35 33 31 Dewpt 36 38 38 38 41 42 42 42 41 40 39 39 41 40 38 38 36 34 32 31 RH 89100100100100 86 86 96100100100100100 76 68 82 96 96 96100 Max/Min RH 100 80 100 68 100 Wind Dir N SE SE E E NE W SW N N N N SW W W N N N N E Wind Dir Deg 0 12 14 11 11 5 27 20 0 0 0 0 23 26 27 0 0 0 0 11 Wind Spd 0 1 1 1 1 2 2 1 0 0 0 0 1 2 2 0 0 0 0 1 Clouds OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B1 SC SC B1 B1 Clouds (%) 97 95 98 98 95 95 95 93 94 94 99 99 97 91 74 59 36 34 53 59 Vsby 5 3 3 7 7 7 7 7 7 7 7 7 PoP 12hr 100 40 20 20 10 QPF 12hr 0.31 0.01 0 0 0 Frzg rain S Rain shwrs D D L C S S S S ChanceThunder 0 0 0 0 0 Max Mix Hgt AGL Mix Hgt 1600 2400 Max Vent Rt 6000 18700 T Wind Dir SW W T Wind Spd 3 6 ADI 6 19 Max LVORI 10 10 Stability D D D B D D B B G F Ceiling NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE Sta Pres 27.92 27.90 27.85 27.83 27.78 27.80 27.79 27.79 27.81 27.81 Date 12/07 Mon 12/08/25 Tue 12/09/25 Wed 12/10/25 Thu 12/11/25 EST 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 52 34 46 29 49 28 53 32 46 Temp 50 46 39 34 43 38 32 29 47 39 32 29 51 47 40 33 44 37 Dewpt 40 40 38 34 35 31 30 27 31 30 29 28 34 34 38 33 32 29 PWind Dir S NW NW SE S S S SW NW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B1 B1 B2 B2 B2 SC SC B1 B1 FW FW SC B1 SC B1 B2 B2 B1 PoP 12hr 30 40 20 10 5 0 5 40 30 Frzg rain S Rain shwrs S C C C S C C C 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 $$