Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
401 FOUS54 KMRX 010532 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 1232 AM EST Mon Dec 1 2025 TNZ017-012100- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 1232 AM EST Mon Dec 1 2025 Date Mon 12/01/25 Tue 12/02/25 Wed 12/03/25 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 36 43 24 44 Temp 26 24 33 45 47 40 38 39 39 39 41 41 39 35 31 30 27 25 32 41 44 36 Dewpt 23 22 26 28 29 29 30 36 39 39 41 40 34 29 27 26 24 23 26 28 28 28 RH 88 92 75 51 49 64 73 89100100100 96 82 78 85 85 88 92 78 59 53 72 Wind Dir NE NE NE E SE E E E SE W W W NW NW NW N NE NE E W W S Wind Spd 3 4 5 3 3 4 4 5 4 4 5 8 9 5 2 1 1 1 1 2 2 2 Clouds FW FW FW SC B1 B2 OV OV OV OV OV OV B2 B2 B2 B2 B1 SC FW CL CL FW PoP 12hr 0 100 90 5 0 QPF 12hr 0 0.50 0.14 0 0 Rain shwrs C D D D D S S Wind chill 18 27 33 Min chill 17 17 37 34 33 34 28 27 24 26 35 Date Thu 12/04/25 Fri 12/05/25 Sat 12/06/25 Sun 12/07/25 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 27 44 29 42 37 47 32 49 Temp 29 30 42 38 31 31 40 40 38 39 45 41 35 32 46 43 Dewpt 27 26 32 30 28 29 37 37 38 38 41 35 33 32 36 34 PWind Dir S W NE E S W SW W Wind Char LT LT LT LT LT LT LT LT Avg Clouds FW B1 B2 B2 B2 OV OV B2 OV OV OV B2 B1 B1 B1 B1 PoP 12hr 0 0 20 60 70 30 30 10 Frzg rain S L Rain shwrs L L L L C C C $$ TNZ071-012100- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 1232 AM EST Mon Dec 1 2025 Date Mon 12/01/25 Tue 12/02/25 Wed 12/03/25 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 48 38 45 26 47 Temp 29 28 34 45 48 44 42 41 40 41 42 43 41 36 33 31 28 26 34 44 47 39 Dewpt 26 25 28 31 32 33 38 39 40 41 42 38 34 31 29 28 26 26 29 31 31 31 RH 88 88 78 58 54 65 86 92100100100 82 76 82 85 88 92100 82 60 53 73 Wind Dir NE NE NE NE NE NE NW N NW W W NW NW N N NE NE NE NE W W SW Wind Spd 8 8 6 3 2 2 2 3 3 4 6 8 8 5 5 3 2 2 1 2 2 2 Clouds B1 B1 B1 B2 B1 OV OV OV OV OV OV OV B2 B2 B1 B1 SC SC FW FW CL FW PoP 12hr 20 100 80 0 0 QPF 12hr 0 0.68 0.12 0 0 Rain shwrs C D L D D D Wind chill 21 20 28 Min chill 20 20 39 36 36 31 27 26 28 39 Date Thu 12/04/25 Fri 12/05/25 Sat 12/06/25 Sun 12/07/25 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 32 48 34 45 39 51 35 52 Temp 34 35 46 42 36 35 41 44 42 42 49 45 39 36 50 46 Dewpt 30 31 34 33 32 33 40 40 41 41 43 39 37 35 40 37 PWind Dir SW NW NE NE S W SW W Wind Char LT LT LT LT LT LT LT LT Avg Clouds SC B2 B2 B2 OV OV OV B2 OV OV B2 B1 B1 B1 B1 SC PoP 12hr 0 5 30 70 70 40 20 10 Rain shwrs C L L L C C C S $$ TNZ036-012100- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 1232 AM EST Mon Dec 1 2025 Date Mon 12/01/25 Tue 12/02/25 Wed 12/03/25 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 37 43 25 46 Temp 27 26 34 44 47 41 39 39 40 40 41 42 40 34 31 30 27 25 34 43 46 38 Dewpt 23 23 27 28 30 32 36 39 40 40 40 35 32 29 27 26 26 25 28 29 30 30 RH 85 88 75 53 51 70 89100100100 96 76 73 82 85 85 96100 78 57 53 73 Wind Dir NE NE NE E E NE W SW W W NW NW NW N N N N N E S SW SW Wind Spd 5 5 5 2 1 1 1 3 4 5 6 6 6 3 3 2 2 2 1 1 1 1 Clouds SC B1 SC B1 B2 OV OV OV OV OV OV B2 B2 B2 B1 B1 SC SC FW CL CL FW PoP 12hr 20 100 60 5 0 QPF 12hr 0 0.72 0.08 0 0 Rain shwrs C D D D L L Wind chill 20 19 Min chill 19 20 37 34 35 31 28 25 27 38 Date Thu 12/04/25 Fri 12/05/25 Sat 12/06/25 Sun 12/07/25 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 31 48 32 44 38 50 34 52 Temp 33 35 46 40 33 33 42 41 40 40 48 43 37 35 49 44 Dewpt 30 32 33 32 31 32 38 39 40 40 41 38 36 35 40 37 PWind Dir SW NW NE SE SW W W W Wind Char LT LT LT LT LT LT LT LT Avg Clouds SC B2 B2 B2 B2 OV OV B2 OV OV B2 B1 B1 B1 B1 SC PoP 12hr 5 5 30 70 70 30 30 10 Rain shwrs C L L L C C S C S $$ TNZ099-012100- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 1232 AM EST Mon Dec 1 2025 Date Mon 12/01/25 Tue 12/02/25 Wed 12/03/25 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 51 40 46 27 50 Temp 30 30 37 47 51 46 43 43 42 42 44 44 42 36 32 30 28 27 36 47 50 42 Dewpt 27 26 29 34 38 42 43 43 42 42 41 36 32 30 29 28 27 26 29 31 31 33 RH 88 85 72 60 61 86100100100100 89 73 67 79 88 92 96 96 75 53 48 70 Wind Dir N N NE E SE S S S S SW N NW N N N N N N NE S S S Wind Spd 8 8 5 2 4 5 6 8 6 4 8 11 11 8 5 3 3 2 2 2 2 1 Clouds B1 B2 B2 B2 OV OV OV OV OV OV B2 B2 B1 B1 SC SC FW FW FW CL FW FW PoP 12hr 40 100 40 0 0 QPF 12hr 0 0.76 0.05 0 0 Rain shwrs L D D D C C Wind chill 22 22 38 36 30 26 Min chill 22 24 38 37 37 30 26 23 29 Date Thu 12/04/25 Fri 12/05/25 Sat 12/06/25 Sun 12/07/25 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 34 51 37 47 42 53 36 55 Temp 35 37 49 45 38 37 45 45 44 42 51 47 40 36 52 47 Dewpt 33 34 35 36 35 37 41 43 44 42 42 41 39 36 40 40 PWind Dir SW N NE SE S W SW W Wind Char LT LT LT LT LT LT LT LT Avg Clouds SC B2 B2 B2 B2 OV B2 B2 OV OV B2 B1 B1 B1 B1 SC PoP 12hr 5 5 50 70 60 30 20 10 Rain shwrs C L L L C C S S $$ NCZ060-012100- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 1232 AM EST Mon Dec 1 2025 Date Mon 12/01/25 Tue 12/02/25 Wed 12/03/25 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 52 37 47 21 51 Temp 30 28 38 50 50 44 41 40 40 41 43 43 39 35 31 28 24 22 33 48 50 41 Dewpt 29 28 35 38 37 36 39 39 40 41 42 38 33 30 28 26 23 22 28 30 30 31 RH 96100 89 63 61 73 92 96100100 96 82 79 82 88 92 96100 82 49 46 67 Min/Max RH 59 100 79 100 44 Wind Dir N N SE SE SE SE SE SE E E NW NW NW NW N N N N S SW W SW Wind Dir Deg 0 0 12 14 14 12 12 12 10 7 30 31 31 32 33 34 0 0 16 23 26 23 Wind Spd 0 0 2 5 5 5 5 5 4 3 5 9 10 5 3 1 1 0 1 2 2 1 Wind Gust 17 19 13 Clouds B1 B2 B1 B2 OV OV OV OV OV OV OV B2 B2 B2 B1 SC SC SC FW FW FW FW Clouds (%) 66 86 67 79 92 98 98 97 99 99 95 84 81 75 56 32 27 30 17 6 8 15 Vsby 7 7 10 10 10 7 4 3 2 2 2 10 PoP 12hr 30 100 70 5 0 QPF 12hr 0 0.95 0.10 0 0 Rain shwrs C D D D L L Wind chill 32 Min chill 28 28 35 36 38 30 27 22 25 ChanceThunder 0 5 5 0 0 Max Mix Hgt AGL Mix Hgt 2200 2300 2800 Max Vent Rt 21500 35700 16400 T Wind Dir SE NW SW T Wind Spd 9 12 5 ADI 22 36 17 Max LVORI 10 9 10 Stability D C D D D C C G G B B Ceiling NONE NONE NONE NONE 13800 5500 23500 23500 0 NONE NONE Sta Pres 28.07 28.01 27.92 27.79 27.70 27.74 27.84 27.87 27.94 27.93 27.97 Date Thu 12/04/25 Fri 12/05/25 Sat 12/06/25 Sun 12/07/25 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 50 33 45 37 51 32 53 Temp 31 32 48 42 35 35 43 43 40 39 49 44 36 33 50 44 Dewpt 30 29 33 33 33 35 39 39 40 39 42 38 35 33 38 37 PWind Dir SW NW E SE S W SE W Wind Char LT LT LT LT LT LT LT LT Avg Clouds SC B1 B2 B2 OV OV OV OV OV OV OV B2 B1 B1 B1 SC PoP 12hr 0 10 50 80 70 40 30 10 Rain shwrs C L D L L C 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 $$