Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
610 FOUS54 KMRX 060532 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 132 AM EDT Sat Sep 6 2025 TNZ017-062000- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 132 AM EDT Sat Sep 6 2025 Date Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 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 76 57 73 49 77 Temp 65 65 71 72 72 68 64 62 59 57 63 69 71 63 56 52 50 50 65 73 75 66 Dewpt 65 65 69 69 67 66 63 61 58 57 56 53 51 51 49 47 46 46 51 53 53 53 RH 100100 93 90 84 93 97 97 96100 78 57 49 65 77 83 86 86 60 49 46 63 Wind Dir SW W W W W W N N N N N N N N NE NE NE NE NE NE NE NE Wind Spd 2 2 4 6 5 2 2 2 2 2 4 4 5 5 4 3 4 4 5 3 4 4 Clouds B2 OV B2 B2 B2 B2 OV B2 OV B2 SC FW FW FW CL CL FW FW CL FW FW FW PoP 12hr 80 20 5 0 0 QPF 12hr 0.09 0.05 0 0 0 Rain shwrs S S C L L S S S Tstms S C C Obvis PF F Date Tue 09/09/25 Wed 09/10/25 Thu 09/11/25 Fri 09/12/25 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 51 79 53 80 56 81 55 81 Temp 55 52 75 67 57 55 76 70 59 58 77 70 59 57 78 70 Dewpt 49 48 53 54 53 53 58 59 56 55 59 58 56 54 58 57 PWind Dir E E E N NE NE NE NE Wind Char LT LT LT LT LT LT LT LT Avg Clouds FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 0 0 5 0 0 5 0 5 $$ TNZ071-062000- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 132 AM EDT Sat Sep 6 2025 Date Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 77 59 77 54 80 Temp 69 68 73 73 73 70 66 64 61 59 67 74 75 68 61 57 56 55 67 76 79 71 Dewpt 68 67 70 71 69 68 64 61 59 57 57 56 53 53 52 50 50 50 54 56 57 57 RH 97 97 90 93 87 93 93 90 93 93 70 53 46 59 72 77 80 83 63 50 47 61 Wind Dir S NW W W SW NW N N N NE NE NE N N NE NE NE NE NE NE NE NE Wind Spd 4 3 5 5 5 5 4 4 5 5 9 9 10 8 6 5 6 6 8 6 6 5 Clouds B2 B2 B2 OV B2 B1 B2 OV B2 SC FW FW CL CL CL FW SC FW FW FW FW FW PoP 12hr 70 10 0 0 0 QPF 12hr 0.24 0 0 0 0 Rain shwrs S S C L S Tstms S C S Date Tue 09/09/25 Wed 09/10/25 Thu 09/11/25 Fri 09/12/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 56 82 58 83 60 85 60 85 Temp 61 57 79 72 63 59 80 74 65 61 82 75 65 61 82 76 Dewpt 56 53 59 58 57 56 60 59 59 58 61 61 58 57 61 60 PWind Dir E NE E NE NE NE E NE Wind Char LT LT LT LT LT LT LT LT Avg Clouds SC SC FW FW FW FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 0 0 5 0 0 5 0 5 $$ TNZ036-062000- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 132 AM EDT Sat Sep 6 2025 Date Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 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 76 54 79 Temp 68 67 72 73 73 68 64 62 60 57 68 74 75 66 60 57 55 55 68 76 77 69 Dewpt 67 67 70 70 68 65 63 59 56 54 55 53 53 52 51 49 48 47 52 54 55 56 RH 97100 93 90 84 90 97 90 87 90 63 48 46 61 72 75 77 74 57 46 47 63 Wind Dir SE NW N NW SE N N NE NE NE NE NE N N N NE NE NE NE NE NE NE Wind Spd 2 2 3 4 4 3 3 3 3 3 5 5 5 5 5 4 4 5 5 5 3 2 Clouds B2 OV OV OV B2 B2 B1 B2 B2 FW FW FW CL CL CL CL SC SC FW FW FW FW PoP 12hr 70 10 0 0 0 QPF 12hr 0.16 0 0 0 0 Rain shwrs S L C Tstms C C Obvis PF Date Tue 09/09/25 Wed 09/10/25 Thu 09/11/25 Fri 09/12/25 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 55 82 57 82 59 85 60 85 Temp 60 56 79 71 61 58 80 73 63 60 83 74 64 61 82 73 Dewpt 54 53 59 58 56 55 60 59 58 57 61 60 58 57 61 59 PWind Dir NE NE NE NE NE NE NE NE Wind Char LT LT LT LT LT LT LT LT Avg Clouds FW FW FW FW FW FW FW FW FW FW FW FW CL FW FW FW PoP 12hr 0 0 0 0 0 5 0 5 $$ TNZ099-062000- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 132 AM EDT Sat Sep 6 2025 Date Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 80 61 80 59 82 Temp 70 69 74 77 76 72 68 65 63 61 70 77 78 70 64 62 60 60 70 78 80 73 Dewpt 70 69 71 71 69 68 66 63 60 57 55 53 53 53 52 51 51 50 54 57 58 58 RH 100100 90 82 79 87 93 93 90 87 59 43 42 55 65 67 72 69 57 48 47 59 Wind Dir SE NW NW N N N N N N N N N N N N N NE NE NE NE NE NE Wind Spd 2 2 3 5 5 5 5 5 6 8 10 11 11 9 9 8 8 8 6 5 5 5 Wind Gust 19 Clouds B2 B2 B2 B2 B1 B1 B1 B1 SC FW FW FW CL FW FW FW SC SC SC SC FW FW PoP 12hr 70 10 0 0 0 QPF 12hr 0.20 0 0 0 0 Rain shwrs S L C S Tstms S C C S Date Tue 09/09/25 Wed 09/10/25 Thu 09/11/25 Fri 09/12/25 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 58 84 60 85 62 87 62 88 Temp 63 59 80 75 64 61 83 75 65 63 85 77 66 63 85 78 Dewpt 58 56 59 59 58 58 60 60 60 59 60 60 60 59 61 60 PWind Dir NE E E NE NE NE NE NE Wind Char LT LT LT LT LT LT LT LT Avg Clouds SC FW FW FW FW FW FW FW FW FW CL CL FW CL FW FW PoP 12hr 0 0 0 0 0 5 0 5 $$ NCZ060-062000- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 132 AM EDT Sat Sep 6 2025 Date Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 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 58 78 53 80 Temp 65 65 74 77 73 68 65 63 61 58 68 75 74 64 58 56 55 54 68 77 76 67 Dewpt 65 65 69 69 67 66 65 63 61 58 60 56 53 53 52 50 50 50 56 57 56 56 RH 100100 84 76 81 93100100100100 76 52 48 67 80 80 83 86 65 50 50 68 Min/Max RH 76 100 48 89 47 Wind Dir E SE SW NW NW NW NW NW NW NW N N N N N NE NE E E E SE SE Wind Dir Deg 11 14 21 31 31 29 29 29 29 30 33 33 33 34 2 4 6 7 10 11 14 12 Wind Spd 1 1 2 4 4 2 1 2 2 2 4 5 6 4 2 1 1 1 2 3 4 2 Clouds B2 B2 B2 B2 B2 B1 B1 B1 B1 SC FW FW CL CL FW SC B1 B1 SC SC SC SC Clouds (%) 84 82 72 79 75 69 64 55 51 42 21 7 3 4 23 37 59 61 34 29 30 31 Vsby 7 2 10 6 10 8 7 7 7 7 10 10 PoP 12hr 80 10 5 0 0 QPF 12hr 0.33 0 0 0 0 Rain shwrs C C D S Tstms C L S Obvis PF ChanceThunder 60 10 5 0 0 Max Mix Hgt AGL Mix Hgt 2800 4000 5400 Max Vent Rt 22200 33600 26900 T Wind Dir NW N E T Wind Spd 8 8 5 ADI 22 34 27 Max LVORI 9 9 6 Stability D B B F G B A G F A A Ceiling NONE NONE NONE NONE 14800 8900 0 7200 7200 7200 8900 Sta Pres 27.92 27.94 27.95 27.95 27.97 27.97 27.97 28.02 28.04 28.03 28.01 Date Tue 09/09/25 Wed 09/10/25 Thu 09/11/25 Fri 09/12/25 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 53 81 55 82 56 83 56 84 Temp 57 54 79 68 58 56 80 69 59 58 80 70 60 57 81 70 Dewpt 53 50 57 57 54 53 59 59 58 56 59 59 57 55 58 59 PWind Dir E SE E N NE N E N Wind Char LT LT LT LT LT LT LT LT Avg Clouds SC FW FW SC SC SC FW FW FW SC FW FW FW FW FW FW PoP 12hr 0 0 5 5 0 5 0 5 This is an experimental product for planning and review purposes only, and is not to be substituted for an official fire weather spot forecast $$