Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
325 FOUS54 KMRX 030532 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 132 AM EDT Wed Sep 3 2025 TNZ017-032000- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 132 AM EDT Wed Sep 3 2025 Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 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 75 57 79 61 84 Temp 59 59 65 69 72 67 61 59 58 59 71 75 76 68 63 63 62 62 73 80 82 75 Dewpt 58 58 62 63 63 62 60 58 57 59 64 65 65 65 63 62 61 62 67 67 66 65 RH 96 96 90 81 73 84 97 96 96100 79 71 69 90100 97 97100 81 65 58 71 Wind Dir E E S SW SW S SE S SE SE SW SW SW SW S S S S SW SW SW S Wind Spd 1 1 3 5 5 2 2 2 1 2 6 11 10 5 2 2 2 2 6 10 9 2 Clouds B1 B2 B2 B1 SC SC FW FW SC B1 SC SC B1 B1 SC SC SC SC SC FW FW FW PoP 12hr 70 5 60 20 5 QPF 12hr 0.15 0 0.14 0.01 0 Rain shwrs C C L L C C C L L S S Tstms C S C C C S C C S Heat index 83 85 Max heat 84 86 Date Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 Tue 09/09/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 62 79 58 75 53 78 57 77 Temp 65 64 76 69 62 58 71 65 56 55 75 68 59 58 74 68 Dewpt 63 62 68 66 62 57 55 54 51 51 58 59 55 55 60 60 PWind Dir S W NW N NE E E SE Wind Char LT LT LT LT LT LT LT LT Avg Clouds FW B1 B1 B2 B1 B1 SC FW FW SC SC SC SC SC B1 B1 PoP 12hr 20 50 20 10 5 5 5 10 Rain shwrs S S C S Tstms C S $$ TNZ071-032000- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 132 AM EDT Wed Sep 3 2025 Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 81 62 83 65 89 Temp 63 63 70 78 79 72 67 65 63 64 74 80 79 73 69 67 65 66 77 85 88 80 Dewpt 62 62 65 66 65 65 63 62 62 62 67 68 68 68 67 65 64 65 69 69 67 67 RH 97 97 84 67 62 79 87 90 97 93 79 67 69 84 93 93 97 97 76 59 50 65 Wind Dir N SW SW SW SW S S S SW SW SW SW SW SW S S S S SW SW SW S Wind Spd 2 2 4 6 6 4 4 3 4 5 10 12 10 5 4 3 3 3 8 10 9 4 Clouds B2 B1 B1 SC SC FW FW FW FW SC SC SC SC SC SC FW SC SC FW FW CL FW PoP 12hr 40 20 50 10 5 QPF 12hr 0.11 0 0.29 0 0 Rain shwrs C C C C C C C S Tstms C S C S C C C S Heat index 83 89 91 Max heat 83 83 89 92 Date Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 Tue 09/09/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 67 81 60 78 57 82 60 80 Temp 71 68 78 72 66 61 75 69 60 58 78 72 64 61 77 73 Dewpt 65 65 70 67 63 58 57 56 53 54 60 63 60 59 64 65 PWind Dir S W N N NE NE NE NE Wind Char LT LT LT GN LT LT LT LT Avg Clouds SC B1 B1 B1 B1 B1 SC FW SC SC B1 SC SC B1 B1 B1 PoP 12hr 30 30 20 10 5 10 10 20 Rain shwrs S C S C S S Tstms S C S $$ TNZ036-032000- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 132 AM EDT Wed Sep 3 2025 Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 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 80 61 81 63 89 Temp 62 62 71 77 77 72 66 64 62 62 73 79 77 71 67 65 64 65 77 85 86 79 Dewpt 62 62 65 66 66 65 64 63 62 62 67 69 69 68 66 65 64 65 69 70 68 67 RH 100100 81 69 69 79 93 97100100 81 72 76 90 97100100100 76 61 55 67 Wind Dir N S SW SW SW SW S SW SW SW SW SW SW SW SW S SW SW SW SW SW SW Wind Spd 1 1 2 5 4 2 2 2 2 2 6 9 6 2 2 1 2 2 5 6 5 2 Clouds B2 B2 SC B1 SC FW FW FW SC SC SC B1 SC FW SC SC SC SC FW FW FW FW PoP 12hr 40 20 60 10 5 QPF 12hr 0.14 0 0.30 0 0 Rain shwrs C C S C C C L L S Tstms C C S C S C C L S Heat index 90 89 Max heat 90 91 Date Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 Tue 09/09/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 65 80 58 77 56 81 60 79 Temp 70 67 77 71 64 58 75 66 59 57 77 71 64 61 77 72 Dewpt 66 65 69 66 61 56 56 54 52 51 59 62 59 58 63 64 PWind Dir SW W N N NE NE NE SE Wind Char LT LT LT LT LT LT LT LT Avg Clouds SC B1 B2 B1 B1 SC SC FW SC SC SC SC SC B1 B1 B1 PoP 12hr 30 40 10 5 5 5 10 20 Rain shwrs S C C C S S Tstms S C S $$ TNZ099-032000- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 132 AM EDT Wed Sep 3 2025 Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 64 86 66 92 Temp 64 64 74 81 81 75 69 66 65 64 76 83 82 76 71 69 67 67 80 89 89 82 Dewpt 63 63 66 65 66 65 66 65 65 64 68 68 68 68 68 68 66 66 69 68 67 68 RH 97 97 76 58 60 71 90 97100100 76 61 63 76 90 97 97 97 69 50 48 63 Wind Dir N S S SW SW SW S S S S S SW SW SW S S S S S SW SW S Wind Spd 1 2 3 4 4 2 2 2 2 3 5 9 8 4 2 2 2 2 4 6 5 3 Clouds SC SC SC SC SC SC FW FW SC SC FW SC SC SC FW FW FW FW FW FW FW FW PoP 12hr 20 20 40 5 5 QPF 12hr 0.02 0 0.12 0 0 Rain shwrs S S S S S C C C C S Tstms S S S S S S C C S Heat index 86 85 83 93 92 85 Max heat 83 83 86 87 93 94 Date Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 Tue 09/09/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 68 85 63 80 60 81 63 81 Temp 72 69 83 74 67 63 77 71 63 61 77 73 66 64 79 73 Dewpt 67 67 70 69 64 59 57 54 54 54 61 63 62 61 64 63 PWind Dir SW NW N N NE E E SE Wind Char LT LT LT GN LT LT LT LT Avg Clouds SC SC B1 B1 SC SC FW FW SC SC B1 B1 SC B1 B1 B1 PoP 12hr 20 30 10 5 5 10 10 20 Rain shwrs S S S C S S Tstms S S C S $$ NCZ060-032000- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 132 AM EDT Wed Sep 3 2025 Date Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 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 79 58 82 60 88 Temp 59 59 69 75 75 69 62 60 58 59 71 78 77 70 65 63 61 62 76 85 84 75 Dewpt 58 58 63 62 62 62 61 60 58 59 65 65 65 65 64 62 61 62 67 65 64 65 RH 96 96 81 64 64 78 97100100100 81 64 67 84 97 97100100 74 51 51 71 Min/Max RH 64 100 62 100 48 Wind Dir E SE SE SW SW S SE E SE SE SW SW SW S SE SE SE SE SW SW SW S Wind Dir Deg 11 12 15 23 23 18 13 11 12 13 20 21 22 19 14 15 14 15 22 23 23 18 Wind Spd 1 1 2 4 3 1 1 1 1 2 4 5 5 2 1 1 1 1 3 5 4 2 Clouds B2 B2 B1 B1 SC SC FW FW SC B1 SC SC SC SC FW FW SC SC FW FW SC FW Clouds (%) 73 79 57 55 49 32 20 20 37 52 42 37 35 27 23 23 36 44 16 18 26 16 Vsby 7 7 10 10 10 10 10 9 7 7 10 10 PoP 12hr 40 20 40 10 5 QPF 12hr 0.21 0.01 0.16 0 0 Rain shwrs S C C C S S S S C C S Tstms S S C C S S S S C C S ChanceThunder 40 20 40 10 5 Max Mix Hgt AGL Mix Hgt 3900 4600 6200 Max Vent Rt 25700 51400 66700 T Wind Dir SW SW SW T Wind Spd 5 10 8 ADI 26 51 67 Max LVORI 8 9 10 Stability F B A G F B A G G B A Ceiling NONE NONE NONE 8900 NONE NONE NONE 9800 8900 NONE 8900 Sta Pres 27.88 27.85 27.81 27.82 27.83 27.82 27.78 27.83 27.88 27.90 27.86 Date Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 Tue 09/09/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 62 85 59 80 55 80 58 79 Temp 65 63 82 70 62 59 77 66 58 56 77 69 61 59 76 68 Dewpt 63 62 66 66 62 59 58 57 55 53 60 60 58 57 60 60 PWind Dir SE W N N NE SE SE SE Wind Char LT LT LT LT LT LT LT LT Avg Clouds FW SC B1 B1 B1 B1 SC SC SC B1 B1 B1 B1 B1 B1 B1 PoP 12hr 20 30 10 10 10 10 10 20 Rain shwrs S S C S Tstms S S 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 $$