Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
620 FOUS54 KMRX 171732 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 132 PM EDT Fri Oct 17 2025 TNZ017-180800- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 132 PM EDT Fri Oct 17 2025 Date 10/17/25 Sat 10/18/25 Sun 10/19/25 Mon EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 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 47 79 59 70 39 Temp 72 62 55 53 52 51 67 77 79 69 63 61 61 59 67 65 61 53 49 47 42 39 Dewpt 43 44 43 44 44 45 52 56 57 57 58 59 56 53 59 60 55 48 43 41 39 38 RH 35 52 64 71 74 80 59 48 47 66 84 93 84 80 75 84 81 83 80 79 89 96 Wind Dir W N SE SE E E SW SW SW SE S S SE S S SW W W W W W SW Wind Spd 3 2 2 2 2 2 3 9 8 1 4 5 6 9 14 16 17 11 9 5 5 4 Wind Gust 21 19 16 Clouds B1 B2 B2 B2 SC SC SC FW FW SC SC B1 B1 B2 B2 B2 B1 SC SC SC FW FW PoP 12hr 0 5 20 90 20 QPF 12hr 0 0 0 0.49 0.04 Rain shwrs S S D D D D S S Tstms S Date 10/20 Tue 10/21/25 Wed 10/22/25 Thu 10/23/25 Fri 10/24/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 64 41 67 37 60 34 65 43 63 Temp 61 54 44 43 65 58 45 38 57 50 39 35 62 55 47 43 61 56 Dewpt 40 40 38 36 46 44 38 35 37 38 36 33 39 41 41 40 46 45 PWind Dir W S W W W S SW SW W Wind Char LT LT GN LT LT LT LT LT LT Avg Clouds FW CL CL FW FW FW FW FW FW FW FW SC SC SC B1 B1 B1 SC PoP 12hr 0 5 10 5 0 5 5 10 10 $$ TNZ071-180800- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 132 PM EDT Fri Oct 17 2025 Date 10/17/25 Sat 10/18/25 Sun 10/19/25 Mon EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 56 83 63 70 42 Temp 78 70 62 59 58 57 72 81 82 74 70 69 68 64 67 67 63 56 52 48 45 43 Dewpt 53 53 53 53 52 52 55 60 59 60 58 58 58 60 62 61 52 46 44 42 41 40 RH 42 55 72 80 80 83 55 49 46 62 66 68 70 87 84 81 67 69 74 80 86 89 Wind Dir W SW S W N E SW SW SW S S S S S SW SW W W W SW SW S Wind Spd 5 2 2 1 0 2 6 11 12 6 8 10 12 16 18 19 17 10 5 3 3 2 Wind Gust 26 Clouds B1 B1 B1 SC SC SC FW FW FW FW SC B2 OV OV B2 B1 SC FW FW FW FW FW PoP 12hr 5 5 50 80 10 QPF 12hr 0 0 0.14 0.45 0 Rain shwrs C C D D C C Tstms S S Date 10/20 Tue 10/21/25 Wed 10/22/25 Thu 10/23/25 Fri 10/24/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 69 48 72 41 65 39 69 48 69 Temp 66 59 50 49 70 62 48 42 62 55 45 40 66 61 53 48 67 61 Dewpt 41 42 41 40 48 46 40 38 38 39 39 37 42 44 44 44 48 47 PWind Dir W SW W W NW NE SW SW W Wind Char LT LT GN LT LT LT LT LT LT Avg Clouds FW CL FW FW FW FW FW FW FW FW FW SC SC SC B1 B1 SC SC PoP 12hr 0 5 5 5 0 5 5 20 10 Rain shwrs S $$ TNZ036-180800- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 132 PM EDT Fri Oct 17 2025 Date 10/17/25 Sat 10/18/25 Sun 10/19/25 Mon EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 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 56 82 61 67 40 Temp 76 68 60 58 57 57 70 80 82 74 70 68 66 62 65 65 62 54 50 47 43 41 Dewpt 54 54 54 54 53 53 55 59 60 61 59 58 59 62 64 59 51 46 43 41 40 40 RH 46 61 81 86 86 86 59 49 47 64 68 70 78100 97 81 67 74 77 79 89 96 Wind Dir SW SW S W W W SW SW SW S S S S S SW W W W W W W W Wind Spd 3 1 2 3 3 3 5 9 10 5 6 6 12 13 13 14 13 6 4 3 2 2 Wind Gust 25 25 24 17 Clouds B1 B1 B1 SC FW SC FW FW FW SC SC B2 OV OV B2 B1 FW FW FW FW FW FW PoP 12hr 5 5 60 90 10 QPF 12hr 0 0 0.21 0.64 0 Rain shwrs L L D D C C Tstms S C S Date 10/20 Tue 10/21/25 Wed 10/22/25 Thu 10/23/25 Fri 10/24/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 68 46 71 40 65 37 68 47 68 Temp 65 58 49 47 69 60 46 41 62 54 42 38 65 59 51 47 66 59 Dewpt 42 43 42 41 49 45 39 37 39 40 38 37 43 44 44 44 48 47 PWind Dir SW SW W W NW N SW W W Wind Char LT LT GN LT LT LT LT LT LT Avg Clouds FW CL CL FW FW FW FW FW FW FW FW SC SC SC B1 B1 B1 SC PoP 12hr 0 5 10 5 0 5 5 20 10 Rain shwrs S $$ TNZ099-180800- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 132 PM EDT Fri Oct 17 2025 Date 10/17/25 Sat 10/18/25 Sun 10/19/25 Mon EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 59 84 64 71 43 Temp 81 73 65 62 61 60 73 82 82 74 71 71 68 64 68 69 66 58 52 48 46 44 Dewpt 55 56 56 55 53 52 58 62 62 61 58 58 59 63 64 58 51 46 45 44 43 41 RH 41 55 73 78 75 75 59 51 51 64 63 63 73 97 87 68 58 64 77 86 89 89 Wind Dir S S S SE SE S S SW S S S S S S SW W W NW NW NW NW NW Wind Spd 5 4 2 2 1 2 6 9 10 6 8 9 12 14 13 16 14 9 5 3 2 2 Clouds B1 B1 SC FW FW FW FW B1 SC SC SC B2 OV OV B1 SC FW CL CL CL FW FW PoP 12hr 5 5 70 70 0 QPF 12hr 0 0 0.38 0.42 0 Rain shwrs L L L L S S Tstms S S S S Date 10/20 Tue 10/21/25 Wed 10/22/25 Thu 10/23/25 Fri 10/24/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 71 48 74 43 68 41 71 50 71 Temp 68 61 51 49 72 64 50 44 65 58 46 42 68 62 54 50 69 63 Dewpt 42 44 44 43 50 47 42 38 38 40 41 40 42 44 46 45 48 49 PWind Dir NW S W NW N N S S NW Wind Char LT LT GN LT LT LT LT LT LT Avg Clouds CL CL CL FW FW FW CL FW FW FW FW SC SC SC B1 B1 SC SC PoP 12hr 0 5 5 0 0 5 0 10 10 $$ NCZ060-180800- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 132 PM EDT Fri Oct 17 2025 Date 10/17/25 Sat 10/18/25 Sun 10/19/25 Mon EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 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 49 80 58 68 38 Temp 75 64 58 55 53 53 67 78 77 68 65 63 61 59 63 66 61 53 48 45 41 39 Dewpt 52 53 53 52 50 49 55 59 60 60 57 56 56 56 61 60 52 46 43 40 37 36 RH 45 67 83 90 89 86 65 52 56 76 75 78 84 90 93 81 72 77 83 82 85 89 Max/Min RH 93 50 93 72 92 Wind Dir SW S E E SE E S SW SW S S SE S S S SW W NW NW NW NW N Wind Dir Deg 21 18 10 11 12 10 16 20 20 18 16 15 16 19 18 23 27 29 30 31 31 33 Wind Spd 4 3 2 2 3 3 3 5 6 4 5 4 6 9 11 11 12 8 5 3 2 2 Wind Gust 21 19 18 Clouds B2 B1 B1 FW FW SC SC SC SC SC SC B2 OV OV OV B1 SC FW FW FW FW FW Clouds (%) 75 67 59 20 19 45 34 44 26 37 35 70 89 98 90 68 34 13 13 11 14 20 Vsby 10 10 10 10 10 7 10 10 10 10 10 10 10 6 6 10 10 10 10 10 10 10 PoP 12hr 5 5 50 80 5 QPF 12hr 0 0 0.13 0.53 0 Rain shwrs C C D D C C Tstms S S ChanceThunder 0 5 5 20 5 Max Mix Hgt AGL Mix Hgt 4300 4000 Max Vent Rt 35200 72800 T Wind Dir S SW T Wind Spd 8 17 ADI 35 73 Max LVORI 6 5 Stability B G G B B F D C B G G Ceiling NONE NONE NONE NONE NONE NONE NONE NONE 6300 NONE NONE Sta Pres 27.87 27.88 27.91 27.87 27.86 27.80 27.77 27.75 27.86 27.91 27.97 Date 10/20 Tue 10/21/25 Wed 10/22/25 Thu 10/23/25 Fri 10/24/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 70 42 71 38 63 35 68 44 68 Temp 66 57 45 43 70 56 46 39 61 52 40 36 66 58 49 45 67 55 Dewpt 37 42 40 37 47 44 39 34 36 37 37 33 39 42 42 41 45 47 PWind Dir NW SE W NW NW NE S SE NW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds FW CL FW FW FW FW FW FW FW FW FW SC SC SC B1 B1 B1 SC PoP 12hr 0 5 5 0 0 5 0 10 10 This is an experimental product for planning and review purposes only, and is not to be substituted for an official fire weather spot forecast $$