Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
521 FOUS54 KMRX 051732 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 132 PM EDT Sun Oct 5 2025 TNZ017-060800- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 132 PM EDT Sun Oct 5 2025 Date 10/05/25 Mon 10/06/25 Tue 10/07/25 Wed 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 56 82 58 80 63 Temp 79 71 65 62 59 57 71 79 80 70 64 61 60 59 71 77 79 72 67 66 64 63 Dewpt 59 59 59 58 58 57 61 61 60 61 59 59 59 58 63 64 64 64 64 64 64 63 RH 50 66 81 87 96100 71 54 51 73 84 93 96 96 76 64 60 76 90 93100100 Wind Dir S SE E E NE E E E SE SE SE E E E S SW SW SE S S SW SW Wind Spd 6 5 3 2 2 3 3 3 5 5 3 2 2 2 3 5 5 2 2 2 2 2 Clouds FW SC SC SC SC SC SC FW FW FW SC SC SC B1 SC B1 B1 B2 B2 OV OV OV PoP 12hr 0 5 10 30 80 QPF 12hr 0 0 0 0.01 0.48 Rain shwrs C C C C D D C Tstms S S S S S C Obvis PF+ Date 10/08 Thu 10/09/25 Fri 10/10/25 Sat 10/11/25 Sun 10/12/25 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 71 53 71 48 69 49 71 48 71 Temp 69 65 57 54 68 63 52 49 66 61 52 50 68 62 52 49 69 62 Dewpt 66 60 54 52 55 53 46 45 53 54 51 49 54 53 51 48 53 52 PWind Dir N NE E E NE E NE NE NE Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B2 B1 SC B1 SC SC SC SC SC SC SC SC SC FW FW SC SC FW PoP 12hr 50 10 10 10 10 10 10 10 10 Rain shwrs C S Tstms C S $$ TNZ071-060800- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 132 PM EDT Sun Oct 5 2025 Date 10/05/25 Mon 10/06/25 Tue 10/07/25 Wed EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 60 83 64 83 67 Temp 82 74 69 66 63 61 72 81 82 74 69 67 65 64 73 80 82 77 71 69 68 67 Dewpt 63 63 63 62 61 61 64 65 64 65 64 64 64 63 66 66 66 66 66 67 67 67 RH 53 69 81 87 93100 76 58 55 74 84 90 97 97 79 62 58 69 84 93 97100 Wind Dir SE S N N NE NE NE E E S S SW SE SE S SW SW SW S SW W SW Wind Spd 5 5 3 2 3 3 3 3 4 3 3 2 2 2 2 5 5 4 3 2 2 2 Clouds B1 B1 SC SC SC B1 SC SC SC SC SC SC B1 B1 B1 B1 B1 B2 B2 OV OV OV PoP 12hr 10 10 10 20 70 QPF 12hr 0 0 0 0 0.36 Rain shwrs S S C C L L C Tstms S S C Date 10/08 Thu 10/09/25 Fri 10/10/25 Sat 10/11/25 Sun 10/12/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 76 58 74 57 72 55 73 54 73 Temp 73 70 62 58 71 68 61 57 69 66 57 55 71 66 57 54 71 66 Dewpt 69 64 59 55 63 62 60 55 59 58 57 54 58 57 55 53 58 56 PWind Dir N NE NE SE NE NE NE NE N Wind Char LT GN LT LT LT LT LT LT LT Avg Clouds B2 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC FW FW SC SC FW PoP 12hr 40 20 20 20 10 10 5 10 5 Rain shwrs C S S S S Tstms C S S $$ TNZ036-060800- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 132 PM EDT Sun Oct 5 2025 Date 10/05/25 Mon 10/06/25 Tue 10/07/25 Wed 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 59 83 64 81 65 Temp 81 73 68 65 62 60 72 81 81 72 68 66 65 64 73 80 81 74 69 68 67 65 Dewpt 62 64 63 62 61 60 64 65 65 65 64 64 64 63 67 67 67 67 66 67 67 65 RH 53 73 84 90 97100 76 58 58 79 87 93 97 97 81 65 63 79 90 97100100 Wind Dir E S W N NE NE NE E SE S SW W SW S S SW SW W SW W W W Wind Spd 3 2 2 1 2 2 2 2 2 2 2 2 2 2 3 5 5 2 2 2 2 2 Clouds SC B2 B1 SC SC B1 B1 B1 B1 SC SC B1 B1 B2 B1 B1 B1 B2 OV OV OV OV PoP 12hr 10 10 10 40 80 QPF 12hr 0 0 0 0.06 0.49 Rain shwrs S S C C L L D D C Tstms S S S S C C Date 10/08 Thu 10/09/25 Fri 10/10/25 Sat 10/11/25 Sun 10/12/25 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 75 57 73 57 71 54 73 52 74 Temp 75 66 60 57 71 67 61 57 68 64 57 54 71 65 56 53 72 64 Dewpt 69 63 55 53 63 62 59 55 60 59 56 54 59 57 53 52 59 56 PWind Dir N NE NE N NE N NE NE NE Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B2 B1 SC B1 B1 B1 B1 B2 B1 SC SC SC SC FW FW SC SC FW PoP 12hr 40 10 20 20 10 10 10 10 10 Rain shwrs C S S S Tstms C S $$ TNZ099-060800- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 132 PM EDT Sun Oct 5 2025 Date 10/05/25 Mon 10/06/25 Tue 10/07/25 Wed EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 65 82 67 84 68 Temp 81 76 72 69 67 66 73 80 81 74 70 68 68 67 74 81 83 77 72 70 69 68 Dewpt 65 65 66 65 64 63 66 67 67 67 67 67 66 66 68 67 67 67 69 69 69 68 RH 58 69 81 87 90 90 79 65 63 79 90 97 93 97 82 63 59 71 90 97100100 Wind Dir SE SE SE E E NE E SE SE SE SE SE S SE S S S S S S SE NE Wind Spd 11 8 5 4 4 3 6 10 11 6 5 4 4 4 8 9 8 4 2 2 2 2 Clouds B2 B2 B1 SC SC B2 B1 B1 SC FW SC B1 B2 B1 B1 SC B1 B1 B2 B2 B2 B2 PoP 12hr 10 10 5 20 60 QPF 12hr 0 0 0 0.03 0.21 Rain shwrs S S C C L L C Tstms S S S Heat index 86 Max heat 84 82 85 83 87 Date 10/08 Thu 10/09/25 Fri 10/10/25 Sat 10/11/25 Sun 10/12/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 80 62 74 58 74 57 76 54 77 Temp 77 73 64 62 71 68 61 58 71 68 59 57 73 68 58 55 74 68 Dewpt 70 67 63 59 64 63 57 53 58 58 58 55 59 58 57 54 58 57 PWind Dir NE NE E S E N NE N NE Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B2 B1 SC B1 B1 B1 B1 B1 SC SC SC SC SC FW FW SC FW FW PoP 12hr 30 10 20 20 5 5 5 5 5 Rain shwrs C S S S S Tstms C S $$ NCZ060-060800- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 132 PM EDT Sun Oct 5 2025 Date 10/05/25 Mon 10/06/25 Tue 10/07/25 Wed 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 59 79 61 81 62 Temp 74 71 66 64 62 60 70 77 77 68 65 63 63 61 72 80 78 70 65 64 63 62 Dewpt 62 62 62 61 59 58 63 64 64 64 63 63 62 61 64 64 64 64 64 63 63 62 RH 66 73 87 90 90 93 78 64 64 87 93100 97100 76 58 62 81 97 97100100 Max/Min RH 93 62 100 58 100 Wind Dir SE SE E E E E E SE SE SE SE SE SE SE SE SE S SE SE E N E Wind Dir Deg 12 12 11 11 11 11 11 12 13 12 12 12 12 12 14 15 16 14 13 11 0 9 Wind Spd 10 5 6 5 5 4 8 9 9 5 5 3 3 3 5 5 5 2 2 1 0 1 Wind Gust 16 19 19 18 16 16 16 13 Clouds B2 B1 B1 SC SC B1 SC SC SC FW SC B1 B1 B1 B1 SC B1 B1 B1 B2 OV OV Clouds (%) 70 64 51 46 46 55 48 40 29 16 40 53 52 68 57 50 64 63 67 74 92 92 Vsby 10 10 10 10 10 10 10 10 10 10 10 10 PoP 12hr 10 10 5 10 50 QPF 12hr 0 0 0 0 0.12 Rain shwrs S C C C C C ChanceThunder 10 10 5 5 10 Max Mix Hgt AGL Mix Hgt 3200 3700 Max Vent Rt 41300 26700 T Wind Dir SE SE T Wind Spd 13 8 ADI 41 27 Max LVORI 6 9 Stability B F F B B F F B B F D Ceiling NONE 23500 20800 20800 20800 NONE 20800 NONE NONE NONE NONE Sta Pres 28.07 28.06 28.10 28.08 28.07 28.05 28.06 28.02 28.02 28.01 28.01 Date 10/08 Thu 10/09/25 Fri 10/10/25 Sat 10/11/25 Sun 10/12/25 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 77 59 72 51 72 49 73 50 73 Temp 74 68 62 59 71 61 55 51 69 62 53 50 72 60 53 50 72 59 Dewpt 67 65 62 59 60 56 50 48 57 56 53 50 56 55 53 50 54 54 PWind Dir N NE SE SE N E N E NE Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B2 B1 B1 B2 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC FW PoP 12hr 50 20 20 20 10 10 10 10 10 Rain shwrs C C S S S S S S Tstms 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 $$