Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
991 FOUS54 KMRX 040532 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 1232 AM EST Thu Dec 4 2025 TNZ017-042100- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 1232 AM EST Thu Dec 4 2025 Date Thu 12/04/25 Fri 12/05/25 Sat 12/06/25 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 44 32 42 35 46 Temp 27 26 34 42 43 37 34 34 34 34 37 40 42 40 39 38 37 37 39 44 46 41 Dewpt 25 25 29 30 29 28 28 31 33 34 37 39 38 38 38 38 37 37 39 39 37 35 RH 92 96 82 62 57 70 78 89 96100100 96 86 92 96100100100100 82 71 79 Wind Dir SE W SW NW N NE NE E E E E S SW SW SW SW SW SW SW W W SW Wind Spd 0 0 1 2 2 3 3 2 2 2 2 2 2 1 1 1 2 2 4 5 4 2 Clouds SC SC B2 B2 B2 B2 OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B1 B1 PoP 12hr 5 90 60 20 10 QPF 12hr 0 0.20 0.07 0 0 Rain shwrs S D L L L S S S S Snowshwrs L S Date Sun 12/07/25 Mon 12/08/25 Tue 12/09/25 Wed 12/10/25 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 30 47 32 40 25 44 29 47 Temp 34 32 46 41 36 32 38 35 28 27 41 38 31 29 44 43 Dewpt 33 31 39 36 35 32 32 28 25 25 30 29 28 28 33 33 PWind Dir E N N N E SW SW SW Wind Char LT LT LT LT LT LT LT GN Avg Clouds SC B1 B2 B2 B2 OV B2 B1 SC B1 B1 SC B1 B1 B1 B1 PoP 12hr 10 30 40 20 5 5 10 20 Frzg rain S Rain shwrs S C C C S S $$ TNZ071-042100- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 1232 AM EST Thu Dec 4 2025 Date Thu 12/04/25 Fri 12/05/25 Sat 12/06/25 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 45 35 44 38 50 Temp 29 30 36 43 44 39 38 37 37 36 38 42 44 43 42 41 40 39 42 48 50 44 Dewpt 28 28 32 33 32 32 33 35 36 36 38 41 41 40 40 40 39 39 41 41 40 39 RH 96 92 85 67 62 76 82 92 96100100 96 89 89 93 96 96100 96 77 68 82 Wind Dir N N N N NE NE NE NE NW N NE NW S SE SW SW SW SW SW W W SW Wind Spd 0 0 2 3 4 4 2 2 1 1 1 2 2 2 2 2 2 2 3 4 2 2 Clouds SC B2 B2 B2 B2 OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 SC SC PoP 12hr 10 90 60 20 10 QPF 12hr 0 0.24 0.06 0 0 Rain shwrs C D C L L C C S S S Date Sun 12/07/25 Mon 12/08/25 Tue 12/09/25 Wed 12/10/25 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 33 48 35 44 29 48 32 53 Temp 36 35 46 45 40 35 41 39 32 30 46 42 36 32 50 48 Dewpt 35 35 40 39 37 35 35 32 30 29 33 32 31 30 35 34 PWind Dir E NE NE N NW SW SW SW Wind Char LT LT LT LT LT GN LT GN Avg Clouds SC B1 B2 B2 B2 OV B2 B1 B1 B1 SC SC SC SC B1 B1 PoP 12hr 20 40 40 20 5 5 10 20 Rain shwrs S S C C C C S S $$ TNZ036-042100- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 1232 AM EST Thu Dec 4 2025 Date Thu 12/04/25 Fri 12/05/25 Sat 12/06/25 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 34 44 35 49 Temp 29 29 36 43 44 37 36 35 35 35 38 42 44 42 39 39 37 37 42 47 49 43 Dewpt 28 28 32 32 32 31 31 34 35 35 38 40 41 40 39 39 37 37 41 40 40 39 RH 96 96 85 65 62 79 82 96100100100 93 89 93100100100100 96 76 71 86 Wind Dir NE NE NE NE NE NE NE NE NW W E SW S SW SW SW W SW SW SW SW W Wind Spd 1 1 2 2 2 2 2 2 1 1 1 2 2 1 1 2 2 2 2 3 2 1 Clouds B1 B2 B2 OV B2 B2 OV OV OV OV OV OV B2 OV OV OV OV B2 B2 B2 B1 SC PoP 12hr 10 90 40 20 10 QPF 12hr 0 0.26 0.05 0 0 Rain shwrs L D L C C S S Date Sun 12/07/25 Mon 12/08/25 Tue 12/09/25 Wed 12/10/25 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 33 47 34 43 28 46 32 51 Temp 36 35 45 43 38 34 41 37 31 29 44 40 34 32 48 46 Dewpt 35 35 40 39 36 34 34 31 28 28 33 32 31 30 36 35 PWind Dir N NE N N NW SW SW SW Wind Char LT LT LT LT LT LT LT GN Avg Clouds SC B1 B2 B2 B2 OV B2 B1 SC B1 SC SC SC B1 B1 B1 PoP 12hr 20 30 40 10 5 5 10 20 Rain shwrs S C C C C S $$ TNZ099-042100- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 1232 AM EST Thu Dec 4 2025 Date Thu 12/04/25 Fri 12/05/25 Sat 12/06/25 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 49 38 49 39 52 Temp 31 31 39 47 49 43 40 38 39 39 41 46 49 46 42 42 41 40 45 49 52 46 Dewpt 30 30 34 33 33 35 37 38 39 39 41 42 43 43 42 42 41 40 42 42 41 42 RH 96 96 82 58 54 73 89100100100100 86 80 89100100100100 89 77 66 86 Wind Dir N N N N NE N N NE NE SW SE SW S S S SW SW SW SW SW SW E Wind Spd 0 1 2 3 4 3 2 1 1 1 2 2 2 2 1 1 1 1 1 2 2 1 Clouds SC B2 B2 OV B2 B2 OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B1 SC PoP 12hr 20 90 40 20 20 QPF 12hr 0 0.24 0.03 0 0 Rain S Rain shwrs L D L C C S S S S S S S Date Sun 12/07/25 Mon 12/08/25 Tue 12/09/25 Wed 12/10/25 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 37 52 38 47 32 49 32 56 Temp 38 38 50 48 42 38 44 41 34 32 47 43 35 32 53 50 Dewpt 38 38 42 44 41 38 36 34 32 30 32 34 33 32 36 38 PWind Dir E NE N N NW SW S S Wind Char LT LT LT LT LT LT LT GN Avg Clouds SC B1 B2 B2 B2 B2 B2 B1 SC B1 SC SC SC SC SC SC PoP 12hr 30 30 30 10 0 5 10 20 Rain shwrs S C C C C C S $$ NCZ060-042100- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 1232 AM EST Thu Dec 4 2025 Date Thu 12/04/25 Fri 12/05/25 Sat 12/06/25 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 48 35 47 37 51 Temp 28 28 36 46 46 40 38 38 37 37 41 45 47 44 41 40 39 38 42 49 50 44 Dewpt 26 25 30 31 31 33 35 37 37 37 41 42 41 41 41 40 39 38 41 40 38 38 RH 92 88 79 55 55 76 89 96100100100 89 79 89100100100100 96 71 63 79 Min/Max RH 51 100 79 100 63 Wind Dir N N NW W NW W N E E E SE SE S S N N N W W W W N Wind Dir Deg 0 0 29 28 29 26 0 10 11 11 13 15 19 16 0 0 0 25 25 26 27 0 Wind Spd 0 0 1 3 2 1 0 1 1 2 2 2 2 1 0 0 0 1 1 2 2 0 Clouds SC B1 B2 OV B2 OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B1 Clouds (%) 36 59 85 88 86 94 98 97100 99 97 94 96 97 96 94 99 98 94 72 70 51 Vsby 10 10 10 10 10 10 7 4 3 2 2 7 PoP 12hr 20 100 70 30 20 QPF 12hr 0 0.30 0.07 0 0 Rain shwrs C D L L L C C C C S S S S C ChanceThunder 0 0 0 0 0 Max Mix Hgt AGL Mix Hgt 1600 1800 2200 Max Vent Rt 9500 7600 15400 T Wind Dir NW S W T Wind Spd 4 5 6 ADI 9 8 15 Max LVORI 8 7 10 Stability F B B D D B D D D B B Ceiling NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE Sta Pres 27.99 27.99 27.97 27.95 27.93 27.89 27.83 27.81 27.79 27.80 27.81 Date Sun 12/07/25 Mon 12/08/25 Tue 12/09/25 Wed 12/10/25 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 33 51 35 45 29 47 26 52 Temp 35 34 49 46 40 35 42 39 32 29 45 39 31 27 50 44 Dewpt 35 33 42 41 40 35 36 32 30 28 29 30 27 27 32 33 PWind Dir SE S NW NW S SW S S Wind Char LT LT LT LT LT LT LT LT Avg Clouds SC B1 B2 B2 B2 B2 B2 B1 B1 B2 B1 SC SC SC SC B1 PoP 12hr 30 40 50 20 10 5 10 20 Rain shwrs C C C C C C 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 $$