Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
868 FOUS54 KMRX 260626 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 226 AM EDT Sat Sep 26 2026 TNZ017-262000- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 226 AM EDT Sat Sep 26 2026 Date Sat 09/26/26 Sun 09/27/26 Mon 09/28/26 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 74 44 73 46 74 Temp 45 44 60 71 71 60 52 48 45 44 60 70 70 61 53 50 48 47 62 71 72 65 Dewpt 44 42 46 43 42 44 48 47 45 44 49 47 46 49 50 48 46 46 52 54 55 55 RH 96 93 60 36 35 55 86 96100100 67 44 42 65 89 93 93 96 70 55 55 70 Wind Dir NE NE NE N N N NE N N N NW NW NW N N N N N N NW NW N Wind Spd 1 1 1 4 6 5 1 0 0 0 1 5 8 3 0 0 0 0 0 2 3 1 Clouds SC SC FW CL CL CL FW FW SC SC SC FW CL FW FW FW FW FW FW FW FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Date Tue 09/29/26 Wed 09/30/26 Thu 10/01/26 Fri 10/02/26 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 49 80 52 81 59 83 62 84 Temp 53 50 77 67 56 54 79 71 62 60 80 74 66 63 80 75 Dewpt 53 50 56 56 54 51 57 59 57 56 64 65 63 61 67 67 PWind Dir NE NW E SW E S SE SW Wind Char LT LT LT LT LT LT LT LT Avg Clouds FW FW FW CL CL FW SC SC SC SC SC SC SC SC SC SC PoP 12hr 0 0 0 0 5 10 20 30 Rain shwrs S S C $$ TNZ071-262000- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 226 AM EDT Sat Sep 26 2026 Date Sat 09/26/26 Sun 09/27/26 Mon 09/28/26 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 76 49 76 49 78 Temp 53 51 63 73 76 67 59 54 51 49 63 73 76 67 59 55 52 50 64 75 77 68 Dewpt 49 48 49 46 45 45 50 49 48 47 51 49 48 50 52 50 49 49 54 55 55 55 RH 86 89 60 38 33 45 72 83 89 93 65 43 37 54 78 83 89 96 70 50 47 63 Wind Dir NE NE NE N N NE NE NE NE NE NE N N NE NE NE NE NE NE NE NE NE Wind Spd 5 4 5 5 4 3 4 4 4 3 4 5 5 4 3 2 2 1 3 4 5 3 Clouds FW FW FW FW FW SC FW FW FW SC SC FW FW FW FW FW FW FW CL CL CL FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Date Tue 09/29/26 Wed 09/30/26 Thu 10/01/26 Fri 10/02/26 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 52 84 56 86 63 87 67 87 Temp 57 53 81 72 60 57 84 77 67 64 85 79 70 67 84 79 Dewpt 54 52 58 57 55 53 59 61 59 60 68 67 65 65 70 69 PWind Dir NE N SE SW SE SW S SW Wind Char LT LT LT LT LT LT LT LT Avg Clouds FW FW FW CL FW SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 0 0 0 0 20 20 20 30 Rain shwrs S S S S S S C $$ TNZ036-262000- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 226 AM EDT Sat Sep 26 2026 Date Sat 09/26/26 Sun 09/27/26 Mon 09/28/26 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 77 49 77 49 78 Temp 53 51 64 73 77 67 57 54 51 49 64 74 77 66 57 54 51 50 66 75 78 68 Dewpt 47 46 49 46 45 46 49 48 47 47 52 49 47 51 51 49 49 48 54 55 55 55 RH 80 83 58 38 32 47 75 80 86 93 65 41 35 58 80 83 93 93 65 50 45 63 Wind Dir NE NE NE NE NE N NE NE NE NE NE NE N N N N N N NE NE NE NE Wind Spd 3 2 3 3 3 3 3 3 2 2 3 4 4 3 2 2 1 1 2 3 3 2 Clouds FW FW FW FW FW SC FW FW SC SC SC FW FW FW FW FW FW FW CL CL CL FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Date Tue 09/29/26 Wed 09/30/26 Thu 10/01/26 Fri 10/02/26 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 52 83 55 84 62 86 65 86 Temp 56 53 79 70 58 56 80 75 65 63 82 77 69 66 82 78 Dewpt 53 52 59 57 54 53 60 61 59 59 69 69 66 65 71 70 PWind Dir NE E N SW E S SW SW Wind Char LT LT LT LT LT LT LT LT Avg Clouds FW FW FW CL FW SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 0 0 0 0 20 20 30 30 Rain shwrs S S S S C C C $$ TNZ099-262000- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 226 AM EDT Sat Sep 26 2026 Date Sat 09/26/26 Sun 09/27/26 Mon 09/28/26 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 81 54 81 52 83 Temp 57 55 66 78 78 68 62 59 56 54 66 78 79 68 62 57 55 53 70 82 80 69 Dewpt 52 51 51 47 45 46 51 50 49 48 50 47 46 50 52 50 50 50 53 52 51 54 RH 83 86 58 33 31 45 67 72 77 80 56 33 31 52 70 77 83 89 55 35 36 59 Wind Dir N N NE N NE N N N N N N N N N N N N N NE N NE NE Wind Spd 5 5 5 4 5 3 4 5 5 4 6 8 8 4 5 4 3 2 4 5 5 3 Clouds CL CL CL FW FW SC SC FW FW SC FW FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Date Tue 09/29/26 Wed 09/30/26 Thu 10/01/26 Fri 10/02/26 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 54 88 58 90 66 90 69 90 Temp 59 55 86 75 62 59 87 79 68 67 87 80 71 69 87 81 Dewpt 54 53 55 53 53 53 58 61 61 63 68 68 68 67 70 70 PWind Dir N E E S SE S S S Wind Char LT LT LT LT LT LT LT LT Avg Clouds FW CL CL CL FW FW SC FW SC SC SC SC SC SC SC SC PoP 12hr 0 0 0 0 20 20 20 40 Rain shwrs S S S S S S C C $$ NCZ060-262000- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 226 AM EDT Sat Sep 26 2026 Date Sat 09/26/26 Sun 09/27/26 Mon 09/28/26 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 76 44 76 44 79 Temp 49 48 65 75 75 60 53 49 46 44 62 74 74 60 53 49 46 45 64 76 78 65 Dewpt 47 46 53 49 48 48 47 45 43 41 46 48 46 51 50 47 45 44 51 51 51 53 RH 93 93 65 40 38 64 80 86 89 89 56 40 37 72 89 93 96 96 63 42 39 65 Min/Max RH 37 89 36 100 38 Wind Dir N N NW NW NW NW N N N N NW NW NW NW N N N N N NW NW NW Wind Dir Deg 0 0 30 30 32 31 0 0 0 0 30 31 32 32 1 0 0 0 0 31 31 32 Wind Spd 0 0 1 5 8 3 1 0 0 0 2 8 8 4 1 0 0 0 0 3 5 2 Clouds FW SC FW FW FW FW FW FW SC B1 SC FW CL FW FW FW FW SC FW FW FW CL Clouds (%) 13 28 11 12 20 22 15 24 39 69 26 23 3 8 11 13 21 35 8 7 9 5 Vsby 10 10 10 10 10 10 10 10 10 10 10 PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 ChanceThunder 0 0 0 0 0 Max Mix Hgt AGL Mix Hgt 3200 2800 3500 Max Vent Rt 29100 25600 21600 T Wind Dir N N N T Wind Spd 6 6 5 ADI 29 26 21 Max LVORI 8 7 9 Stability G B B G F B B G G B B Ceiling NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE Sta Pres 27.92 27.89 27.86 27.85 27.84 27.81 27.81 27.83 27.86 27.85 27.85 Date Tue 09/29/26 Wed 09/30/26 Thu 10/01/26 Fri 10/02/26 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 49 84 53 85 59 85 61 85 Temp 52 50 81 69 56 54 82 73 63 60 82 74 65 62 82 74 Dewpt 50 47 53 55 51 49 57 59 57 58 66 66 64 62 68 68 PWind Dir NW SW E S SE SE SE S Wind Char LT LT LT LT LT LT LT LT Avg Clouds FW FW FW CL CL FW SC SC SC SC B1 SC SC SC B1 SC PoP 12hr 0 0 0 0 20 20 20 30 Rain shwrs S S S S S 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 $$