Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
677 FOUS54 KMRX 111107 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 606 AM EST Thu Dec 11 2025 TNZ017-112100- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 606 AM EST Thu Dec 11 2025 Date Thu 12/11/25 Fri 12/12/25 Sat 12/13/25 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 37 27 46 30 46 Temp 29 30 34 36 32 29 29 29 31 36 44 46 42 39 37 32 30 36 43 46 40 Dewpt 25 25 25 24 24 24 25 26 26 32 34 35 36 36 34 32 30 32 34 32 32 RH 85 81 69 61 72 81 85 88 81 85 68 65 79 89 89100100 85 70 58 73 Wind Dir W W W W SW SW S SE S SW W W W W W W W W W W W Wind Spd 10 10 10 9 3 2 2 2 2 4 8 6 5 5 5 4 3 4 4 3 2 Clouds B2 B2 B1 B1 SC SC OV OV OV B2 B1 B1 B2 B2 B2 B2 B2 B1 SC SC SC PoP 12hr 5 50 30 5 0 QPF 12hr 0 0.01 0.01 0 0 Rain shwrs C S Snowshwrs C C C Wind chill 20 21 26 29 Min chill 19 17 26 28 27 28 38 31 25 26 39 Date Sun 12/14/25 Mon 12/15/25 Tue 12/16/25 Wed 12/17/25 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 22 27 8 35 19 43 27 49 Temp 32 23 23 15 10 8 31 27 21 20 41 35 28 28 46 42 Dewpt 30 23 10 3 3 2 8 11 12 12 17 21 22 24 32 32 PWind Dir W NW N SW SW SW SE SW Wind Char LT GN LT LT LT LT LT LT Avg Clouds SC B2 B1 FW FW FW FW FW FW FW FW FW SC B1 B1 B2 PoP 12hr 50 20 0 0 5 5 5 20 Rain shwrs S S Snowshwrs S C S $$ TNZ071-112100- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 606 AM EST Thu Dec 11 2025 Date Thu 12/11/25 Fri 12/12/25 Sat 12/13/25 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 42 32 54 33 51 Temp 31 33 39 42 37 34 34 34 36 42 52 54 48 42 39 35 33 39 48 50 44 Dewpt 25 26 26 25 25 26 27 27 28 32 36 38 38 38 36 33 32 33 34 34 34 RH 78 75 59 50 61 72 75 75 72 67 54 54 68 86 89 92 96 79 58 54 68 Wind Dir W W W W SW S SW SW SW SW SW SW W W W W NW W W W W Wind Spd 4 5 6 5 3 2 2 4 5 10 13 11 6 5 2 2 1 2 2 3 2 Clouds SC SC SC FW SC B2 B2 B2 B2 B1 SC SC SC SC SC B1 B1 SC SC FW FW PoP 12hr 5 10 0 0 5 QPF 12hr 0 0 0 0 0 Rain shwrs S Wind chill 36 Min chill 25 24 34 32 29 30 38 33 34 Date Sun 12/14/25 Mon 12/15/25 Tue 12/16/25 Wed 12/17/25 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 26 32 13 39 24 47 31 52 Temp 35 27 29 20 16 13 34 31 26 24 44 38 32 32 50 46 Dewpt 32 23 11 3 5 5 10 14 14 14 19 23 24 26 34 35 PWind Dir NW N NE NW SW SW SW SW Wind Char LT GN LT LT LT LT LT LT Avg Clouds SC B1 SC FW FW FW FW FW FW FW SC SC SC B1 B1 B2 PoP 12hr 30 10 0 0 5 5 10 30 Rain shwrs S C S C Snowshwrs C $$ TNZ036-112100- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 606 AM EST Thu Dec 11 2025 Date Thu 12/11/25 Fri 12/12/25 Sat 12/13/25 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 42 31 53 30 50 Temp 29 33 39 42 36 34 33 33 33 40 51 53 47 40 37 33 31 38 47 50 42 Dewpt 24 26 26 25 25 26 27 28 29 33 37 38 38 37 34 32 31 33 34 34 33 RH 81 75 59 50 64 72 78 82 85 76 59 57 71 89 89 96100 82 60 54 70 Wind Dir W W W W SW SW SW SW SW SW SW SW W W W NW NW NW SW W NW Wind Spd 3 4 5 4 2 2 2 2 4 6 9 6 3 3 2 2 2 1 2 2 2 Clouds SC SC SC FW B1 B2 B2 B2 B1 B1 FW FW B1 SC SC B1 B1 SC SC FW SC PoP 12hr 10 20 0 0 5 QPF 12hr 0 0 0 0 0 Rain shwrs S Snowshwrs S S Date Sun 12/14/25 Mon 12/15/25 Tue 12/16/25 Wed 12/17/25 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 23 29 13 37 22 45 30 50 Temp 33 24 27 19 15 13 33 30 25 23 43 36 32 31 47 44 Dewpt 30 20 8 3 4 4 9 14 15 14 19 22 23 25 33 35 PWind Dir NW N NE S SW SW SW SW Wind Char LT GN LT LT LT LT LT LT Avg Clouds SC B1 SC FW FW FW FW FW FW FW SC SC SC B1 B2 B2 PoP 12hr 30 5 0 0 5 5 10 20 Frzg rain C Rain shwrs S C C S Snowshwrs C $$ TNZ099-112100- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 606 AM EST Thu Dec 11 2025 Date Thu 12/11/25 Fri 12/12/25 Sat 12/13/25 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 47 33 58 33 55 Temp 30 35 44 47 41 35 33 33 34 43 56 58 50 43 39 35 33 41 51 54 47 Dewpt 25 26 26 26 27 28 28 29 30 35 38 39 41 40 37 35 33 35 36 36 37 RH 81 69 49 43 57 75 82 85 85 73 51 49 71 89 92100100 79 56 50 68 Wind Dir NW NW W W SW S S S S SW SW W W W NW N N N NE W N Wind Spd 3 3 5 4 2 2 2 3 4 6 10 9 3 2 2 2 2 2 2 2 2 Clouds FW CL FW FW B1 SC FW FW FW FW FW FW SC FW FW SC SC SC FW FW FW PoP 12hr 0 5 0 0 5 QPF 12hr 0 0 0 0 0 Rain shwrs S Date Sun 12/14/25 Mon 12/15/25 Tue 12/16/25 Wed 12/17/25 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 27 34 17 41 25 49 33 53 Temp 37 28 32 23 18 17 37 33 26 25 46 40 34 33 50 48 Dewpt 35 23 11 5 5 7 10 15 16 17 19 25 25 26 35 39 PWind Dir N N N SE SW S S S Wind Char LT GN LT LT LT LT LT LT Avg Clouds SC SC FW CL CL CL CL FW FW FW SC SC SC B1 B1 B1 PoP 12hr 30 5 0 0 5 5 10 20 Frzg rain C Rain shwrs S C S S $$ NCZ060-112100- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 606 AM EST Thu Dec 11 2025 Date Thu 12/11/25 Fri 12/12/25 Sat 12/13/25 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 42 27 55 30 55 Temp 27 31 40 40 33 31 28 29 29 39 53 54 45 39 36 32 30 39 52 54 45 Dewpt 23 24 23 21 22 24 24 23 24 31 34 36 36 36 35 32 30 34 34 33 33 RH 85 75 50 46 63 75 85 78 81 73 48 50 70 89 96100100 82 50 45 62 Min/Max RH 45 85 47 100 43 Wind Dir NW NW NW NW W N N E SE SW W W W W NW NW NW N W W W Wind Dir Deg 30 30 29 29 28 0 0 11 12 20 24 25 26 28 31 31 32 33 28 26 28 Wind Spd 5 5 5 5 1 0 0 1 1 3 6 5 2 2 1 1 1 1 2 2 1 Wind Gust 19 Clouds SC FW FW FW SC SC FW SC SC SC SC FW SC SC SC SC B1 SC FW FW FW Clouds (%) 50 14 16 9 30 29 23 40 26 26 26 23 27 29 27 38 52 34 15 10 14 Vsby 10 10 10 10 10 10 10 10 10 10 10 10 10 PoP 12hr 5 5 0 0 5 QPF 12hr 0 0 0 0 0 Rain shwrs S Wind chill 20 25 Min chill 20 19 33 28 27 29 36 30 32 ChanceThunder 0 0 0 0 0 Max Mix Hgt AGL Mix Hgt 2800 2800 2500 Max Vent Rt 36900 33100 18800 T Wind Dir NW SW NW T Wind Spd 12 10 6 ADI 37 33 20 Max LVORI 4 5 10 Stability E C B G G C B G G B B Ceiling 18200 NONE NONE NONE NONE NONE NONE NONE NONE NONE 20800 Sta Pres 27.80 27.83 27.86 27.84 27.85 27.82 27.87 27.90 27.94 27.94 27.96 Date Sun 12/14/25 Mon 12/15/25 Tue 12/16/25 Wed 12/17/25 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 26 33 11 44 21 50 28 53 Temp 35 27 30 20 15 12 40 32 23 22 49 35 30 29 50 44 Dewpt 33 24 13 3 3 4 7 12 11 10 17 23 23 23 33 35 PWind Dir NW NW N SW S SW SE SE Wind Char LT GN LT LT LT LT LT LT Avg Clouds FW B1 SC FW CL FW FW FW FW FW SC SC SC B1 B1 B1 PoP 12hr 40 10 0 0 5 5 10 20 Frzg rain C Rain shwrs S 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 $$