Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
151 FOUS54 KMRX 071747 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 1246 PM EST Sun Dec 7 2025 TNZ017-080900- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 1246 PM EST Sun Dec 7 2025 Date 12/07/25 Mon 12/08/25 Tue 12/09/25 Wed 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 35 40 27 44 31 Temp 50 43 39 37 37 36 37 38 38 36 32 31 29 28 33 42 44 39 34 33 33 33 Dewpt 35 35 34 35 35 36 37 38 35 32 30 28 28 27 30 32 30 30 30 29 27 26 RH 56 73 82 92 92100100100 89 85 92 88 96 96 89 67 57 70 85 85 78 75 Wind Dir NW NW NE NE N NE NE N N N N SW SW SW SW SW SW SW SW SW SW SW Wind Spd 2 0 1 1 2 2 3 4 4 2 1 1 1 2 4 9 9 4 3 3 5 6 Wind Gust 17 Clouds SC SC OV OV OV OV OV OV OV B2 B2 B2 B2 B2 B1 SC SC FW FW SC SC B1 PoP 12hr 50 80 10 0 0 QPF 12hr 0.04 0.12 0 0 0 Rain shwrs C L C L S Snowshwrs S Wind chill 36 26 Min chill 37 35 32 34 30 26 26 34 29 25 Date 12/10 Thu 12/11/25 Fri 12/12/25 Sat 12/13/25 Sun 12/14/25 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 51 31 43 29 40 16 30 14 32 Temp 50 46 38 31 42 40 35 30 37 34 23 16 27 24 17 15 30 26 Dewpt 34 36 34 30 32 31 31 28 26 21 16 9 9 8 8 6 11 11 PWind Dir SW W W W W W W W W Wind Char GN GN LT LT GN GN GN LT LT Avg Clouds B1 B1 B1 B1 B1 B2 B2 B2 B1 B1 B1 B1 SC SC SC SC SC SC PoP 12hr 5 20 30 50 30 30 5 10 5 Frzg rain C Rain C C C Rain shwrs S C S C Snow C C Snowshwrs C $$ TNZ071-080900- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 1246 PM EST Sun Dec 7 2025 Date 12/07/25 Mon 12/08/25 Tue 12/09/25 Wed EST 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 38 44 28 50 38 Temp 50 45 41 40 40 39 41 43 43 39 35 33 30 29 36 47 49 44 40 39 39 39 Dewpt 38 38 37 38 38 39 41 41 37 35 33 31 29 29 33 34 32 32 32 31 31 30 RH 63 76 85 92 92100100 93 79 85 92 92 96100 89 60 52 62 73 73 73 70 Wind Dir NW E E N N N N N N N N N SW SW SW SW SW SW SW SW SW SW Wind Spd 2 1 1 1 2 2 4 5 5 4 2 0 1 2 5 11 11 9 10 10 12 13 Wind Gust 20 23 24 Clouds SC B1 OV OV OV OV OV OV OV B1 B1 B1 SC SC SC SC FW FW FW SC SC SC PoP 12hr 40 30 0 0 0 QPF 12hr 0.03 0.01 0 0 0 Rain shwrs C S C S Wind chill 33 32 31 31 Min chill 39 38 36 33 28 26 39 32 30 Date 12/10 Thu 12/11/25 Fri 12/12/25 Sat 12/13/25 Sun 12/14/25 EST 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 55 35 49 34 44 20 33 18 36 Temp 53 50 41 35 48 46 40 34 42 37 27 20 30 27 21 18 33 30 Dewpt 36 39 38 34 34 36 36 32 29 24 18 12 11 11 11 11 13 13 PWind Dir SW SW SW W NW NW NW NW N Wind Char BZ LT LT LT GN LT GN LT LT Avg Clouds B1 B1 B1 B2 B1 B2 B2 B2 B1 B1 B1 B1 SC SC SC SC SC SC PoP 12hr 0 20 30 50 20 20 5 10 10 Frzg rain S Rain C C S Rain shwrs S C S S $$ TNZ036-080900- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 1246 PM EST Sun Dec 7 2025 Date 12/07/25 Mon 12/08/25 Tue 12/09/25 Wed 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 45 27 48 37 Temp 50 44 39 40 40 38 41 44 43 38 34 31 29 28 36 45 48 42 38 37 38 38 Dewpt 38 38 37 38 39 38 41 39 36 33 32 30 29 28 32 34 33 33 32 32 32 31 RH 63 79 92 92 96100100 82 76 82 92 96100100 85 65 56 70 79 82 79 76 Wind Dir SW NW N N NE NE N N N N N NW SW SW SW SW SW SW SW SW SW SW Wind Spd 1 1 1 2 2 2 4 5 4 2 2 1 1 1 4 9 9 5 5 5 9 10 Wind Gust 16 18 20 24 25 Clouds SC B1 B2 OV OV OV OV B2 B1 B1 B1 B1 SC B1 B1 SC FW FW FW SC B1 B1 PoP 12hr 30 20 0 0 0 QPF 12hr 0.02 0.01 0 0 0 Rain shwrs S S Wind chill 32 31 Min chill 39 38 37 38 31 28 30 38 32 30 Date 12/10 Thu 12/11/25 Fri 12/12/25 Sat 12/13/25 Sun 12/14/25 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 54 34 48 32 44 18 33 17 36 Temp 52 48 39 34 46 45 38 33 43 33 25 18 30 26 20 18 33 29 Dewpt 37 39 36 32 34 36 34 31 28 23 16 11 9 9 9 9 12 13 PWind Dir SW W SW NW NW NW NW NW NW Wind Char GN LT LT LT LT LT LT LT LT Avg Clouds B1 B1 B1 B1 B1 B2 B2 B2 B1 B1 B1 B1 SC SC SC SC SC SC PoP 12hr 5 20 30 50 20 20 5 10 5 Frzg rain S Rain C C S Rain shwrs S S C S S Snowshwrs S $$ TNZ099-080900- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 1246 PM EST Sun Dec 7 2025 Date 12/07/25 Mon 12/08/25 Tue 12/09/25 Wed EST 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 41 50 29 52 37 Temp 52 47 43 42 43 41 45 48 48 41 37 34 31 30 37 48 52 45 39 37 37 37 Dewpt 41 42 42 42 42 41 42 40 37 36 35 33 31 29 33 34 33 34 34 34 33 33 RH 66 83 96100 96100 89 74 65 82 92 96100 96 85 58 48 65 82 89 85 85 Wind Dir S N N NW NW NW NW N N N N N N SW S S S S S S S S Wind Spd 2 1 1 1 2 2 5 9 9 5 2 1 0 1 3 6 8 5 5 5 5 8 Wind Gust 16 18 Clouds SC B2 OV OV OV B2 B1 B1 B1 B1 SC SC SC SC SC FW FW FW CL FW FW SC PoP 12hr 40 5 0 0 0 QPF 12hr 0.03 0 0 0 0 Rain shwrs C Wind chill 31 Min chill 37 34 29 31 32 31 Date 12/10 Thu 12/11/25 Fri 12/12/25 Sat 12/13/25 Sun 12/14/25 EST 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 57 36 53 36 49 21 37 20 41 Temp 54 51 41 37 50 49 42 37 46 40 28 21 34 30 22 20 38 33 Dewpt 38 41 40 36 37 41 41 35 30 27 20 14 11 12 13 13 14 16 PWind Dir SW W SW NW NW NW N N N Wind Char GN LT LT LT GN LT GN LT LT Avg Clouds SC B1 B1 B1 B1 B2 B2 B1 SC SC SC SC FW FW FW FW FW FW PoP 12hr 0 10 20 40 10 5 0 5 5 Rain C C Rain shwrs S $$ NCZ060-080900- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 1246 PM EST Sun Dec 7 2025 Date 12/07/25 Mon 12/08/25 Tue 12/09/25 Wed 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 37 45 26 50 30 Temp 54 45 40 40 38 37 41 44 43 38 34 31 28 28 35 47 49 40 34 32 31 30 Dewpt 39 39 39 39 38 37 41 39 37 35 33 30 28 28 33 32 30 31 30 29 28 28 RH 57 79 96 96100100100 82 79 89 96 96100100 92 56 48 70 85 88 88 92 Max/Min RH 100 73 100 46 92 Wind Dir SW N N N NW NW NW NW NW NW NW N N N S SW SW S S S S S Wind Dir Deg 20 0 0 0 29 29 29 30 31 31 31 0 0 0 18 21 21 18 16 16 17 18 Wind Spd 2 0 0 0 1 1 3 5 6 3 1 0 0 0 2 4 5 2 1 1 2 2 Clouds FW B1 B2 OV OV OV B2 B2 B2 B1 SC SC B1 B2 B1 SC FW CL FW FW SC SC Clouds (%) 20 52 86 93 97 91 85 73 75 63 45 36 61 75 62 37 11 5 11 17 26 27 Vsby 10 10 10 7 7 7 7 7 10 10 7 7 PoP 12hr 60 20 10 0 0 QPF 12hr 0.06 0.01 0 0 0 Rain shwrs S C S S ChanceThunder 0 5 0 0 0 Max Mix Hgt AGL Mix Hgt 2100 3000 Max Vent Rt 24900 27200 T Wind Dir NW SW T Wind Spd 10 8 ADI 25 27 Max LVORI 9 9 Stability B D D C B G F B B G G Ceiling 23500 23500 23500 23500 23500 15900 NONE 17100 NONE NONE NONE Sta Pres 27.84 27.84 27.85 27.89 27.96 27.97 27.98 27.92 27.90 27.85 27.79 Date 12/10 Thu 12/11/25 Fri 12/12/25 Sat 12/13/25 Sun 12/14/25 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 53 34 50 33 47 17 35 16 41 Temp 51 47 39 34 49 44 40 34 46 35 24 17 32 27 19 16 38 30 Dewpt 34 37 37 33 33 36 37 33 30 25 18 11 10 8 8 8 13 13 PWind Dir SW W W NW NW NW NW NW NW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds SC B1 B1 B2 B1 B2 B2 B2 B1 SC SC SC SC FW FW SC SC FW PoP 12hr 0 10 20 50 20 10 5 5 5 Rain C C S Rain shwrs 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 $$