Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
703 FOUS54 KMRX 091739 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 138 PM EDT Sat Aug 9 2025 TNZ017-100800- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 138 PM EDT Sat Aug 9 2025 Date 08/09/25 Sun 08/10/25 Mon 08/11/25 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 61 87 66 88 66 Temp 85 80 69 65 63 64 77 84 86 80 72 68 66 68 78 85 86 81 73 69 67 68 Dewpt 65 63 62 61 59 60 65 66 67 67 65 65 64 65 69 70 69 69 69 68 66 67 RH 51 56 78 87 87 87 67 55 53 65 79 90 93 90 74 61 57 67 87 97 97 97 Wind Dir E SE E NE NE E SE SE SE SE SE E E E E E SE SE SE SE SE E Wind Spd 4 5 4 2 2 2 2 3 5 5 4 2 2 2 2 3 4 4 2 2 1 1 Clouds SC SC FW FW FW FW FW FW SC FW FW FW FW SC SC SC SC SC SC SC SC SC PoP 12hr 0 5 10 30 10 QPF 12hr 0 0 0 0.01 0 Rain shwrs C C S S S Tstms C C S Obvis PF PF PF Heat index 89 91 84 Max heat 88 88 91 91 93 Date 08/12 Wed 08/13/25 Thu 08/14/25 Fri 08/15/25 Sat 08/16/25 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 88 69 85 68 87 68 88 69 88 Temp 85 81 71 71 83 79 71 69 84 81 70 70 86 81 71 71 85 80 Dewpt 71 71 70 70 73 71 69 69 72 72 69 70 73 72 69 69 72 71 PWind Dir S S SW SW W S SW E S Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds SC SC SC B2 B2 B1 B1 B2 B1 SC SC B1 B1 SC SC B1 B1 B1 PoP 12hr 40 30 60 20 40 30 40 30 40 Rain shwrs S C C S C L S S C C S C C S C Tstms S C C C C S S C S S C S C $$ TNZ071-100800- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 138 PM EDT Sat Aug 9 2025 Date 08/09/25 Sun 08/10/25 Mon 08/11/25 Tue EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 67 90 69 90 72 Temp 87 82 77 72 69 69 81 88 88 82 77 73 71 70 81 87 89 83 77 74 72 73 Dewpt 67 67 68 67 65 65 67 67 68 69 69 69 68 68 70 71 71 72 71 71 70 70 RH 52 61 74 84 87 87 63 50 52 65 76 87 90 93 69 59 56 70 82 90 93 90 Wind Dir NE E SW N E NE N NE E SW SE E E E NE NE E SE S S S SE Wind Spd 4 3 2 2 2 2 2 4 5 4 2 2 2 2 2 3 4 3 2 2 2 2 Clouds SC SC SC FW FW FW FW FW SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 PoP 12hr 0 10 5 30 10 QPF 12hr 0 0 0 0 0 Rain shwrs C C S Tstms C C Heat index 90 85 91 92 85 85 93 95 88 Max heat 92 83 91 94 83 93 95 85 Date 08/12 Wed 08/13/25 Thu 08/14/25 Fri 08/15/25 Sat 08/16/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 90 73 87 72 90 72 91 72 90 Temp 88 84 76 73 85 81 74 74 88 83 74 74 89 85 76 73 89 81 Dewpt 74 72 71 71 75 73 72 72 75 73 72 71 75 73 72 72 75 73 PWind Dir S SW SW S SW S W S SW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B1 B1 B1 B2 B2 B1 B2 B1 B1 SC SC SC SC SC B1 B1 SC B1 PoP 12hr 40 30 60 20 40 20 40 20 40 Rain shwrs S C C S S L S S C S C S C Tstms S C C S S C S S C S C S C $$ TNZ036-100800- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 138 PM EDT Sat Aug 9 2025 Date 08/09/25 Sun 08/10/25 Mon 08/11/25 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 67 90 69 90 71 Temp 87 82 75 72 69 69 81 88 88 82 76 73 71 70 82 88 89 84 77 73 71 73 Dewpt 68 68 67 67 65 66 68 67 68 68 69 68 67 68 71 71 71 71 71 71 70 70 RH 53 63 76 84 87 90 65 50 52 63 79 84 87 93 69 57 56 65 82 93 97 90 Wind Dir E E SE W NE NE NE NE E S E NE NE NE E NE E SE S SW SW S Wind Spd 2 2 2 1 2 2 2 2 3 2 2 1 1 2 2 2 2 2 2 2 1 1 Clouds SC SC FW FW FW SC FW FW SC SC SC FW FW SC SC SC SC SC SC SC B1 B1 PoP 12hr 0 5 5 30 10 QPF 12hr 0 0 0 0 0 Rain shwrs C C S Tstms C C Heat index 91 85 84 91 92 85 86 94 95 89 Max heat 92 91 93 94 95 86 Date 08/12 Wed 08/13/25 Thu 08/14/25 Fri 08/15/25 Sat 08/16/25 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 90 71 87 71 89 71 91 71 90 Temp 89 82 75 72 86 80 74 72 88 81 73 73 89 84 74 73 89 81 Dewpt 74 72 72 71 75 73 72 72 75 73 72 72 75 73 72 72 75 73 PWind Dir S SW SW SW SW W W N SW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B1 B1 B1 B1 B2 B2 B1 B1 B1 B1 SC SC SC SC SC B1 B1 B1 PoP 12hr 40 20 60 20 40 20 40 20 40 Rain shwrs S C S S C L S S C S S C S S C Tstms S C S S C C S S C S S C S S C $$ TNZ099-100800- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 138 PM EDT Sat Aug 9 2025 Date 08/09/25 Sun 08/10/25 Mon 08/11/25 Tue EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 69 89 71 88 72 Temp 87 83 76 72 70 70 81 87 88 82 76 73 71 72 80 86 87 82 76 74 72 73 Dewpt 69 70 69 68 67 67 69 70 71 71 71 70 70 70 72 73 73 73 73 72 71 72 RH 55 65 79 87 90 90 67 57 57 69 85 90 97 93 77 65 63 74 90 93 97 97 Wind Dir SE SE SE S N NE E E E SE SE SE E NE E SE SE SE SE S SE SE Wind Spd 4 3 2 2 1 2 3 5 5 4 2 2 2 2 3 5 5 4 3 2 2 2 Clouds SC SC SC FW FW FW SC SC FW SC SC SC SC SC SC SC SC SC SC SC B1 B1 PoP 12hr 0 20 5 40 10 QPF 12hr 0 0.04 0 0.02 0 Rain shwrs S C C S Tstms S C C Heat index 91 87 84 92 94 86 84 93 94 87 Max heat 93 83 92 94 93 94 84 Date 08/12 Wed 08/13/25 Thu 08/14/25 Fri 08/15/25 Sat 08/16/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 89 72 89 73 90 73 92 73 90 Temp 86 83 75 73 86 82 74 74 88 83 75 74 90 86 76 74 89 82 Dewpt 74 74 73 73 76 75 74 73 75 74 73 72 75 75 73 72 75 75 PWind Dir S S SW SW SW W W W S Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC PoP 12hr 50 20 70 20 50 10 40 20 40 Rain shwrs S C S S C L S S C C S S C Tstms S C S S S C S S C C S S C $$ NCZ060-100800- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 138 PM EDT Sat Aug 9 2025 Date 08/09/25 Sun 08/10/25 Mon 08/11/25 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 62 86 65 85 67 Temp 83 76 69 65 64 64 77 83 82 76 70 68 67 66 78 84 82 75 70 69 67 68 Dewpt 66 66 65 63 62 62 68 69 68 68 67 66 65 66 70 71 71 70 69 68 67 68 RH 57 71 87 93 93 93 74 63 63 76 90 93 93100 76 65 69 84 97 97100100 Max/Min RH 97 59 100 65 100 Wind Dir SE SE SE E E E E SE SE SE SE E E E E SE SE SE SE SE SE SE Wind Dir Deg 15 13 12 11 11 10 11 13 12 12 12 11 10 10 11 13 14 14 13 12 12 12 Wind Spd 4 4 2 2 2 2 3 4 5 3 3 2 2 2 2 4 4 3 2 1 1 1 Clouds SC SC FW SC SC SC SC B1 SC SC SC SC SC SC SC B1 SC SC SC B1 B2 B2 Clouds (%) 39 34 15 27 26 33 39 51 43 37 37 39 47 45 46 53 41 43 41 56 77 75 Vsby 10 10 10 10 10 9 10 10 10 10 10 10 10 10 7 10 10 10 10 10 7 7 PoP 12hr 0 30 20 50 30 QPF 12hr 0 0 0 0.10 0.02 Rain shwrs S C S S S S C C C C S S C Tstms S C S S C C S Heat index 87 85 89 86 Max heat 87 87 89 89 89 ChanceThunder 0 30 20 50 20 Max Mix Hgt AGL Mix Hgt 4100 3600 Max Vent Rt 34500 22200 T Wind Dir E SE T Wind Spd 9 6 ADI 35 22 Max LVORI 6 9 Stability A G G B A G G B A F F Ceiling NONE NONE 25000 25000 25000 25000 25000 25000 25000 25000 25000 Sta Pres 27.99 28.03 MM MM MM MM MM MM MM MM MM Date 08/12 Wed 08/13/25 Thu 08/14/25 Fri 08/15/25 Sat 08/16/25 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 86 68 86 67 88 67 88 68 87 Temp 85 76 70 68 82 79 69 69 87 77 70 69 87 77 70 69 85 79 Dewpt 71 71 70 68 74 72 69 69 73 72 69 69 73 72 69 69 73 72 PWind Dir S SE W NW W N NW E SW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B1 B1 B2 B2 B2 B1 B2 B2 B1 SC B1 B1 SC SC B1 B1 B1 SC PoP 12hr 60 30 70 20 60 20 50 20 50 Rain shwrs C L C C L S S L S C S S C Tstms S C C S C S S C 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 $$