Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
237 FOUS54 KMRX 220246 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 1046 PM EDT Sat Jun 21 2025 TNZ017-220800- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 1046 PM EDT Sat Jun 21 2025 Date 06/21/25 Sun 06/22/25 Mon 06/23/25 Tue 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 63 90 67 92 69 Temp 72 69 66 67 81 88 90 85 76 70 67 71 82 89 91 86 77 73 70 73 Dewpt 67 65 64 65 69 66 67 69 67 67 66 68 70 68 67 70 68 69 68 69 RH 84 87 93 93 67 48 47 59 74 90 97 90 67 50 45 59 74 87 93 87 Wind Dir SE SE SE SE W W NW S S SE SE E NW N NW N E E E N Wind Spd 2 2 1 0 1 2 2 2 1 0 0 0 1 2 2 2 1 0 0 0 Clouds SC FW FW FW CL FW FW FW FW FW FW FW FW FW FW FW FW FW SC SC PoP 12hr 0 10 0 10 0 QPF 12hr 0 0 0 0 0 Obvis PF Heat index 84 93 89 86 93 94 91 Max heat 91 95 87 94 95 88 Date 06/24 Wed 06/25/25 Thu 06/26/25 Fri 06/27/25 Sat 06/28/25 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 95 69 95 70 94 70 92 70 91 Temp 90 85 73 72 93 85 71 72 91 85 73 73 90 85 73 72 88 83 Dewpt 67 69 68 69 65 67 68 69 68 69 68 69 70 69 68 69 69 70 PWind Dir N E NW NE W SW W SW SW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds FW SC SC FW FW FW SC FW FW FW FW FW FW FW SC SC SC SC PoP 12hr 5 5 10 10 20 20 20 30 40 Rain shwrs S S S C S C Tstms S S S C C $$ TNZ071-220800- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 1046 PM EDT Sat Jun 21 2025 Date 06/21/25 Sun 06/22/25 Mon 06/23/25 Tue EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 70 92 72 93 73 Temp 80 76 72 73 84 90 92 87 79 75 72 74 84 91 93 87 80 77 74 76 Dewpt 68 67 66 67 70 68 69 70 69 69 68 69 71 70 68 71 70 71 70 70 RH 67 74 81 81 63 49 47 57 72 82 87 84 65 50 44 59 72 82 87 82 Wind Dir S SW NE E W W SE S S S SE E N N E SE SE SE N N Wind Spd 2 2 1 1 1 2 2 2 2 2 1 1 1 2 2 2 1 1 0 0 Clouds FW FW FW FW FW FW FW FW SC FW FW FW FW FW FW FW FW FW FW SC PoP 12hr 0 10 0 10 0 QPF 12hr 0 0 0 0 0 Rain shwrs S S Tstms S S Heat index 88 94 97 92 89 97 97 93 83 Max heat 84 95 97 88 97 97 90 Date 06/24 Wed 06/25/25 Thu 06/26/25 Fri 06/27/25 Sat 06/28/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 96 72 97 73 97 73 95 73 94 Temp 93 87 73 74 95 89 75 75 95 86 76 76 94 87 77 76 92 85 Dewpt 70 71 71 71 69 69 70 71 70 70 70 71 71 70 70 70 72 71 PWind Dir NE E N E NW S W S W Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds FW FW FW FW FW FW FW FW FW FW FW FW FW FW SC SC SC SC PoP 12hr 5 5 10 10 10 10 20 20 40 Rain shwrs S S C Tstms S S C $$ TNZ036-220800- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 1046 PM EDT Sat Jun 21 2025 Date 06/21/25 Sun 06/22/25 Mon 06/23/25 Tue 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 69 92 72 94 72 Temp 76 74 71 72 84 91 92 87 78 74 72 74 84 91 93 87 79 76 73 76 Dewpt 67 67 66 68 71 70 70 71 69 69 68 70 72 70 69 72 70 70 70 71 RH 74 79 84 87 65 50 49 59 74 84 87 87 67 50 46 61 74 82 90 85 Wind Dir SW W N N SW SW SE S S SW N N S SE E SE N N N NE Wind Spd 1 1 0 0 1 1 2 1 1 1 0 0 1 1 1 1 1 1 1 1 Clouds FW FW FW FW FW FW SC FW FW FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 0 10 0 10 0 QPF 12hr 0 0 0 0 0 Heat index 89 97 98 93 90 97 98 94 Max heat 97 99 87 97 98 89 Date 06/24 Wed 06/25/25 Thu 06/26/25 Fri 06/27/25 Sat 06/28/25 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 96 72 97 72 97 73 95 72 94 Temp 93 86 74 74 96 87 73 74 96 87 75 76 94 86 76 75 92 84 Dewpt 70 71 71 72 69 70 71 71 70 70 71 71 72 71 70 71 72 72 PWind Dir NE N SE N NW N W NW W Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds FW FW FW FW FW FW FW FW FW FW FW FW FW FW SC SC SC SC PoP 12hr 5 5 10 5 10 10 20 20 40 Rain shwrs S S C Tstms S S C $$ TNZ099-220800- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 1046 PM EDT Sat Jun 21 2025 Date 06/21/25 Sun 06/22/25 Mon 06/23/25 Tue EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 71 94 72 95 73 Temp 81 77 73 74 85 92 93 87 79 74 72 75 86 92 93 87 79 76 73 76 Dewpt 72 70 69 70 71 69 69 69 70 71 70 71 72 70 68 70 71 71 70 72 RH 74 79 87 87 63 47 46 55 74 90 93 87 63 49 44 57 77 85 90 87 Wind Dir S N N N S SE SE SE SE N N N E SE SE SE N N N N Wind Spd 1 0 0 0 1 2 3 2 1 0 0 0 1 2 2 2 0 0 0 0 Clouds FW FW FW FW FW FW FW FW FW CL CL FW FW FW FW FW FW CL CL FW PoP 12hr 0 10 0 10 0 QPF 12hr 0 0 0 0 0 Rain shwrs Tstms Heat index 85 90 97 98 91 92 98 97 92 Max heat 86 97 98 88 98 98 88 Date 06/24 Wed 06/25/25 Thu 06/26/25 Fri 06/27/25 Sat 06/28/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 98 74 98 73 98 73 98 73 96 Temp 94 88 78 76 97 87 74 75 98 87 75 76 95 86 76 76 93 84 Dewpt 70 70 72 72 68 70 72 72 70 70 71 72 70 71 71 72 71 71 PWind Dir E N NE N N NW NW W NW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds FW FW FW CL FW FW FW FW FW FW FW FW FW FW SC FW FW SC PoP 12hr 5 0 5 5 10 10 20 20 40 Rain shwrs S S C Tstms S S C $$ NCZ060-220800- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 1046 PM EDT Sat Jun 21 2025 Date 06/21/25 Sun 06/22/25 Mon 06/23/25 Tue 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 63 90 65 92 66 Temp 72 68 65 66 82 88 88 80 73 68 65 68 82 88 89 81 74 69 68 70 Dewpt 65 63 62 64 69 66 68 69 66 66 64 66 69 66 67 69 68 67 65 67 RH 79 84 90 93 65 48 52 69 79 93 97 93 65 48 48 67 82 93 90 90 Max/Min RH 93 47 97 45 93 Wind Dir SE E E N SE SW N E N N N N N W N SE N N N N Wind Dir Deg 12 11 11 0 14 22 33 11 0 0 0 0 0 26 0 15 0 0 0 0 Wind Spd 1 1 1 0 1 2 2 1 0 0 0 0 0 2 2 1 0 0 0 0 Clouds SC FW FW FW FW SC B1 SC FW FW FW FW FW FW FW FW FW FW FW FW Clouds (%) 30 12 11 11 6 34 51 34 21 14 12 19 10 21 19 20 16 9 12 16 Vsby 10 10 10 10 10 10 10 10 10 10 5 PoP 12hr 0 20 0 20 5 QPF 12hr 0 0 0 0 0 Rain shwrs S S S Tstms S S S Obvis PF Heat index 85 92 83 85 92 84 Max heat 90 93 90 93 ChanceThunder 0 20 0 20 5 Max Mix Hgt AGL Mix Hgt 6300 6400 Max Vent Rt 28500 36700 T Wind Dir SE NE T Wind Spd 3 4 ADI 25 32 Max LVORI 6 8 Stability G G A A G G A A G G Ceiling 9800 0 10800 11700 9800 8900 10800 11700 NONE NONE Sta Pres 28.07 28.12 28.10 28.08 28.10 28.14 28.12 28.10 28.11 28.15 Date 06/24 Wed 06/25/25 Thu 06/26/25 Fri 06/27/25 Sat 06/28/25 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 95 68 96 67 95 67 95 67 93 Temp 91 83 71 71 95 83 69 70 94 84 70 71 91 82 70 70 90 79 Dewpt 66 70 68 67 63 69 67 67 65 69 67 67 67 68 66 67 68 68 PWind Dir NW N N E NW N NW NE NW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds FW FW FW FW FW FW FW FW FW FW FW FW FW FW SC FW FW SC PoP 12hr 10 5 10 10 20 20 30 30 50 Rain shwrs S S C C C Tstms S S C C 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 $$