Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
336 FOUS54 KMRX 031739 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 139 PM EDT Sun Aug 3 2025 TNZ017-040800- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 139 PM EDT Sun Aug 3 2025 Date 08/03/25 Mon 08/04/25 Tue 08/05/25 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 81 62 78 63 Temp 75 72 65 62 60 62 72 76 78 74 67 65 63 63 70 73 76 72 67 65 65 65 Dewpt 63 61 59 57 57 58 62 63 63 62 60 59 58 60 63 65 64 64 63 62 62 62 RH 66 68 81 84 90 87 71 64 60 66 78 81 84 90 78 76 66 76 87 90 90 90 Wind Dir E SE E E NE E E E SE SE SE E E E E SE E E E E E E Wind Spd 5 5 3 3 2 2 3 4 5 5 4 2 2 2 4 5 5 5 4 2 2 2 Clouds SC SC SC FW SC SC SC SC B1 B1 B2 B1 B2 B2 B2 B2 B2 B1 B2 B2 B2 B2 PoP 12hr 20 20 40 50 60 QPF 12hr 0 0 0.04 0.09 0.17 Rain shwrs S S S C C C C C C C L L C C C Tstms S S S C C S S S Date 08/06 Thu 08/07/25 Fri 08/08/25 Sat 08/09/25 Sun 08/10/25 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 82 63 84 64 85 66 86 Temp 75 74 65 64 79 75 65 65 80 77 66 65 81 78 68 68 81 78 Dewpt 66 65 61 62 67 66 64 63 67 66 63 63 68 68 66 66 70 69 PWind Dir E E NE E E E E SE N 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 SC SC SC SC SC PoP 12hr 60 40 50 20 40 20 30 10 30 Rain shwrs C L C S S C S S C S C C Tstms S C S C S S C S C C $$ TNZ071-040800- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 139 PM EDT Sun Aug 3 2025 Date 08/03/25 Mon 08/04/25 Tue 08/05/25 Wed EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 66 82 66 81 67 Temp 75 72 70 68 66 66 73 79 79 75 71 69 68 67 73 78 79 75 72 70 69 69 Dewpt 69 67 67 66 64 64 67 67 67 67 67 66 65 65 67 68 69 68 68 67 67 67 RH 82 84 90 93 93 93 81 67 67 76 87 90 90 93 81 71 72 79 87 90 93 93 Wind Dir W W W W E NE N NE S SE S SE NE NE E E NE S S SE E NE Wind Spd 4 3 2 2 2 3 2 2 3 3 2 2 2 2 2 3 4 3 2 2 1 2 Clouds OV B2 B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 PoP 12hr 30 40 50 60 60 QPF 12hr 0.01 0 0.07 0.11 0.12 Rain shwrs C C S S C C C C C C C L L L L C C C Tstms C S S C S S C C C S Date 08/06 Thu 08/07/25 Fri 08/08/25 Sat 08/09/25 Sun 08/10/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 83 67 85 68 86 69 88 70 89 Temp 80 77 70 69 83 79 70 69 84 79 72 70 86 80 73 71 87 80 Dewpt 71 69 68 67 70 68 67 67 71 69 68 67 71 70 69 69 72 71 PWind Dir E E NE E NE SE NE SE NE Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B2 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 70 30 50 20 30 10 30 10 30 Rain shwrs C L C C S C C C Tstms S C S C S C C C $$ TNZ036-040800- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 139 PM EDT Sun Aug 3 2025 Date 08/03/25 Mon 08/04/25 Tue 08/05/25 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 81 66 80 67 Temp 74 71 69 67 66 66 73 79 78 74 70 68 67 67 73 78 78 75 70 69 67 68 Dewpt 70 67 67 65 64 64 67 67 68 67 66 66 65 65 68 68 69 68 68 67 67 67 RH 87 87 93 93 93 93 81 67 71 79 87 93 93 93 84 71 74 79 93 93100 97 Wind Dir SW W W N NE NE E E S W NE NE NE NE E E E SE S N NE NE Wind Spd 2 2 2 1 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 1 1 2 Clouds OV B2 B1 SC B1 B2 B2 B1 B2 B2 B2 B2 B2 OV B2 B2 B2 B2 B2 B2 B2 OV PoP 12hr 30 30 50 60 50 QPF 12hr 0.01 0.01 0.08 0.11 0.08 Rain shwrs C C S C C C C C C C L L C C C C C Tstms C S S C S S C C S S Date 08/06 Thu 08/07/25 Fri 08/08/25 Sat 08/09/25 Sun 08/10/25 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 83 67 85 67 86 67 88 69 89 Temp 80 77 69 68 83 78 70 69 84 78 71 70 86 80 71 71 87 79 Dewpt 71 70 68 67 71 69 67 67 71 69 68 68 71 70 70 70 72 72 PWind Dir E NE NE NE E NE S NE SE 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 SC SC SC SC SC PoP 12hr 70 30 50 10 40 5 30 5 30 Rain shwrs C L C S C C C C Tstms S C C S C C C C $$ TNZ099-040800- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 139 PM EDT Sun Aug 3 2025 Date 08/03/25 Mon 08/04/25 Tue 08/05/25 Wed EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 66 78 66 78 68 Temp 72 70 68 67 67 67 71 74 76 71 68 67 66 66 71 74 75 72 70 70 69 69 Dewpt 69 67 66 65 65 65 67 67 68 67 66 66 65 65 68 69 70 69 70 69 68 69 RH 90 90 93 93 93 93 87 79 76 87 93 97 97 97 90 84 84 90100 97 97100 Wind Dir SE SE E NE NE NE NE SE SE S SE SE E E E SE SE S SE SE E E Wind Spd 6 5 2 2 2 2 4 5 6 4 2 2 2 2 3 4 5 3 2 2 1 1 Clouds B2 B2 B1 B2 OV B2 B1 B2 B1 OV B2 B2 B2 B2 OV OV B2 B2 B2 B2 B2 B2 PoP 12hr 20 40 50 60 40 QPF 12hr 0.01 0.05 0.13 0.15 0.08 Rain shwrs C S S C C S C C C C C L L L L C C C C C Tstms C S S C S S C C S Date 08/06 Thu 08/07/25 Fri 08/08/25 Sat 08/09/25 Sun 08/10/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 82 68 86 68 87 70 88 70 89 Temp 80 77 71 70 83 79 70 69 84 80 72 71 85 80 72 71 85 81 Dewpt 72 71 69 68 71 71 69 68 71 71 70 69 71 71 71 70 73 73 PWind Dir E E E E SE SE SE SE SE Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B2 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 70 20 50 10 40 5 40 5 40 Rain shwrs C L S S C C C C Tstms S C S S C C C C $$ NCZ060-040800- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 139 PM EDT Sun Aug 3 2025 Date 08/03/25 Mon 08/04/25 Tue 08/05/25 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 61 78 61 77 63 Temp 70 67 63 63 62 61 69 74 73 68 64 63 62 62 70 73 73 70 66 65 65 65 Dewpt 63 62 62 60 59 59 63 64 63 62 62 61 60 60 65 66 67 66 65 65 64 65 RH 78 84 97 90 90 93 81 71 71 81 93 93 93 93 84 79 81 87 97100 97100 Max/Min RH 97 69 97 79 100 Wind Dir SE SE SE E E E E SE SE SE E E E E SE SE SE SE SE SE E E Wind Dir Deg 13 12 12 11 11 11 11 12 12 12 11 11 11 11 13 13 14 13 12 12 11 10 Wind Spd 5 4 3 2 2 3 5 5 6 4 3 2 2 2 3 4 4 2 2 2 1 1 Clouds B2 B1 B1 B1 B2 B2 B1 B2 B2 OV B2 B2 OV OV B2 OV B2 B2 B2 B2 OV OV Clouds (%) 74 66 54 61 81 81 67 77 77 89 85 86 94 92 84 89 85 86 82 84 93 89 Vsby 10 10 7 7 7 10 10 10 8 6 7 6 PoP 12hr 30 50 60 70 70 QPF 12hr 0.12 0.13 0.16 0.34 0.15 Rain shwrs C C C S C C C C L L L L L L L L L L C C C Tstms C S S S C C C S S C C C C C C S ChanceThunder 20 30 30 50 30 Max Mix Hgt AGL Mix Hgt 3100 2200 Max Vent Rt 36900 21800 T Wind Dir E SE T Wind Spd 11 8 ADI Max LVORI Stability B F D B B D D B B D D Ceiling 11700 NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE Sta Pres 27.96 27.94 27.98 27.99 28.02 28.05 28.09 28.13 28.11 28.13 28.15 Date 08/06 Thu 08/07/25 Fri 08/08/25 Sat 08/09/25 Sun 08/10/25 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 81 62 83 63 84 63 85 64 86 Temp 77 72 65 63 80 73 65 64 81 73 66 64 82 74 66 66 83 76 Dewpt 69 68 65 63 68 68 65 64 69 68 65 64 69 69 66 65 70 70 PWind Dir SE E NE E E E SE E SE Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B2 B1 B1 B1 B1 SC B1 B1 SC SC SC SC SC SC SC SC SC SC PoP 12hr 80 40 70 30 50 20 50 20 50 Rain shwrs C D C S S L C S C S S C S S C Tstms S C S S C S S C S S C 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 $$