Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
793 FOUS54 KMRX 240245 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 1045 PM EDT Wed Jul 23 2025 TNZ017-240800- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 1045 PM EDT Wed Jul 23 2025 Date 07/23/25 Thu 07/24/25 Fri 07/25/25 Sat 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 64 91 68 92 71 Temp 77 71 67 67 80 87 89 86 76 71 68 71 82 88 91 86 76 73 71 73 Dewpt 64 64 63 64 68 66 66 68 69 68 66 68 72 71 69 71 70 70 70 71 RH 64 79 87 90 67 50 47 55 79 90 93 90 72 57 49 61 82 90 97 93 Wind Dir SE E E E SE E S SE SE E SE SE SW W SW SW SW SW SW SW Wind Spd 4 2 2 2 2 2 2 2 2 1 1 1 2 3 4 3 2 2 1 1 Clouds CL CL CL CL FW FW FW CL FW CL FW FW FW FW FW FW FW FW SC SC PoP 12hr 0 5 5 20 10 QPF 12hr 0 0 0 0 0 Rain shwrs S S S S S Tstms S S S S Heat index 83 92 89 87 94 96 91 Max heat 91 94 84 96 98 88 Date 07/26 Sun 07/27/25 Mon 07/28/25 Tue 07/29/25 Wed 07/30/25 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 91 71 91 71 92 70 92 70 93 Temp 88 85 73 73 87 85 73 73 89 86 72 71 90 87 72 71 90 86 Dewpt 73 72 71 71 74 73 72 72 72 71 70 70 69 69 70 70 69 70 PWind Dir SW SW W SW NW E NW NE NW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds SC SC SC SC SC SC SC SC SC SC FW FW FW FW FW FW SC SC PoP 12hr 40 10 40 20 30 20 20 20 30 Rain shwrs S C S S C S C S S S C Tstms S C S S C S C S S S C $$ TNZ071-240800- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 1045 PM EDT Wed Jul 23 2025 Date 07/23/25 Thu 07/24/25 Fri 07/25/25 Sat EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 71 94 73 93 74 Temp 78 76 73 74 85 92 94 89 82 76 74 75 86 92 93 87 80 76 75 76 Dewpt 71 69 67 67 69 67 67 68 71 70 69 70 73 72 72 71 72 72 71 72 RH 79 79 81 79 59 44 41 50 69 82 84 84 65 52 51 59 77 87 87 87 Wind Dir S W NE NE NE NE E S S SW S S SW SW SW SW S S S SW Wind Spd 2 2 2 2 1 2 3 2 2 2 2 2 2 3 5 4 3 2 2 2 Clouds SC SC SC FW FW FW FW FW SC FW FW FW FW FW SC SC SC FW SC FW PoP 12hr 10 10 5 40 10 QPF 12hr 0 0 0 0.01 0 Rain shwrs C C S Tstms C C Heat index 89 96 98 93 86 93100101 93 84 Max heat 96 98 89 100 101 91 Date 07/26 Sun 07/27/25 Mon 07/28/25 Tue 07/29/25 Wed 07/30/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 94 75 94 76 96 75 96 75 97 Temp 92 88 77 77 92 89 78 77 95 91 78 76 94 91 78 77 95 90 Dewpt 73 72 73 73 74 73 74 74 73 71 72 72 71 68 71 71 70 70 PWind Dir SW SW W S N NE NE NE N Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds FW SC SC SC SC SC SC SC FW SC FW FW FW FW FW FW FW FW PoP 12hr 30 10 30 10 30 10 20 20 30 Rain shwrs S C C C S S C Tstms S C C C S S C $$ TNZ036-240800- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 1045 PM EDT Wed Jul 23 2025 Date 07/23/25 Thu 07/24/25 Fri 07/25/25 Sat 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 71 94 72 93 74 Temp 79 76 73 74 85 92 92 88 80 75 72 74 87 92 91 86 79 76 74 75 Dewpt 73 72 70 69 70 67 68 69 70 70 70 71 74 73 72 72 72 72 72 72 RH 82 87 90 84 61 44 46 54 72 84 93 90 65 54 54 63 79 87 93 90 Wind Dir SW W W NE S SE E S SW SW SW SW SW SW SW SW SW SW SW SW Wind Spd 1 1 1 1 1 2 2 2 1 1 1 1 2 2 3 2 2 1 1 1 Clouds B1 SC SC FW FW FW FW FW FW FW FW FW FW SC SC SC FW FW SC SC PoP 12hr 10 5 5 30 20 QPF 12hr 0 0 0 0 0 Rain shwrs C C S S S Tstms C C S S Heat index 90 96 96 92 83 95101 99 92 Max heat 84 96 98 88 101 101 90 Date 07/26 Sun 07/27/25 Mon 07/28/25 Tue 07/29/25 Wed 07/30/25 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 93 74 94 75 96 74 96 75 97 Temp 91 87 76 76 93 87 77 76 95 89 77 76 94 90 77 76 95 89 Dewpt 74 72 73 73 75 73 74 74 73 72 72 73 72 70 72 72 71 71 PWind Dir SW SW W NW N N N N N Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds SC SC SC SC SC SC SC SC SC SC FW FW FW FW FW FW FW SC PoP 12hr 40 10 40 10 30 10 20 10 30 Rain shwrs S C C C S C Tstms S C C C S C $$ TNZ099-240800- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 1045 PM EDT Wed Jul 23 2025 Date 07/23/25 Thu 07/24/25 Fri 07/25/25 Sat EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 72 94 74 93 74 Temp 81 77 74 74 84 91 93 88 79 76 74 75 85 92 90 85 79 76 74 76 Dewpt 72 71 69 68 71 70 69 70 72 72 72 73 75 73 74 72 74 73 73 73 RH 74 82 84 82 65 50 46 55 79 87 93 94 72 54 60 65 85 90 97 90 Wind Dir E E E E SE SE SE SE S S S S S S S S S SW S SW Wind Spd 2 1 1 1 3 4 5 3 2 2 1 2 3 5 5 3 2 1 1 1 Clouds SC FW FW CL FW FW FW FW FW FW FW FW SC FW SC SC FW FW FW FW PoP 12hr 20 10 5 40 10 QPF 12hr 0 0 0 0.04 0 Rain shwrs S C C Tstms C C Heat index 85 89 97 98 93 94101 99 91 Max heat 87 97 98 88 101 102 89 Date 07/26 Sun 07/27/25 Mon 07/28/25 Tue 07/29/25 Wed 07/30/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 94 75 95 76 97 76 98 76 98 Temp 92 88 77 77 93 89 78 77 95 91 80 77 96 91 79 77 96 91 Dewpt 74 73 74 74 74 73 74 75 74 73 74 74 72 71 73 73 72 72 PWind Dir SW SW W NW N N N N NE Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds FW SC FW FW FW SC FW FW FW SC FW FW FW FW FW FW FW SC PoP 12hr 30 5 30 5 30 5 30 10 30 Rain shwrs C C C C C Tstms C C C C C $$ NCZ060-240800- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 1045 PM EDT Wed Jul 23 2025 Date 07/23/25 Thu 07/24/25 Fri 07/25/25 Sat 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 64 91 67 90 68 Temp 76 70 67 67 81 88 89 81 73 69 67 69 82 88 86 79 73 70 68 70 Dewpt 70 67 63 63 70 70 68 70 69 68 67 69 73 71 71 71 70 69 68 69 RH 82 90 87 87 69 55 50 69 87 97100100 74 57 61 77 90 97100 97 Max/Min RH 89 50 100 56 100 Wind Dir SE SE E E SE SE SE SE SE SE SE SE S SW SW S N N N N Wind Dir Deg 12 12 11 11 12 13 14 13 13 12 12 12 18 21 21 18 0 0 0 0 Wind Spd 2 2 2 2 2 4 4 2 1 1 1 1 2 3 3 2 0 0 0 0 Clouds SC CL FW FW FW FW FW FW FW FW SC SC FW SC B1 SC FW FW SC SC Clouds (%) 42 4 11 10 11 21 21 20 12 18 34 43 22 47 58 46 25 24 31 38 Vsby 10 10 10 10 10 10 10 10 10 9 7 10 PoP 12hr 10 10 20 60 20 QPF 12hr 0 0 0 0.07 0.01 Rain shwrs S S S S L L S S S Tstms S S L C S Heat index 85 93 93 85 87 94 91 Max heat 93 95 94 95 ChanceThunder 10 10 20 60 20 Max Mix Hgt AGL Mix Hgt 5200 4800 Max Vent Rt 36400 38000 T Wind Dir SE SW T Wind Spd 8 6 ADI 36 38 Max LVORI 6 10 Stability G G B A G G B A G G Ceiling NONE NONE NONE NONE NONE NONE 15900 NONE NONE NONE Sta Pres 28.05 28.08 28.04 28.02 28.02 28.04 28.00 27.98 28.00 28.03 Date 07/26 Sun 07/27/25 Mon 07/28/25 Tue 07/29/25 Wed 07/30/25 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 91 69 93 70 94 68 94 68 94 Temp 88 84 71 71 90 84 72 71 93 82 72 69 93 83 72 70 93 83 Dewpt 72 71 70 70 72 71 71 71 71 71 69 69 69 69 68 68 69 69 PWind Dir W W NW NW NW N N NE W Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds SC SC SC SC SC SC SC FW FW SC SC SC FW SC FW FW FW SC PoP 12hr 40 10 40 10 40 20 30 20 40 Rain shwrs S C C C S C S C Tstms S C C C S C S 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 $$