Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
266 FOUS54 KMRX 081736 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 135 PM EDT Tue Jul 8 2025 TNZ017-090800- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 135 PM EDT Tue Jul 8 2025 Date 07/08/25 Wed 07/09/25 Thu 07/10/25 Fri 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 88 68 85 67 Temp 89 84 75 71 70 71 80 85 86 80 73 70 68 70 76 82 83 78 71 69 67 69 Dewpt 69 71 71 70 69 70 73 73 71 72 71 69 68 70 72 72 71 70 69 68 67 69 RH 52 65 87 97 97 97 79 67 61 77 93 97100100 87 72 67 76 93 97100100 Wind Dir W NW NE E E SE SW SW W SE S S S SW W SW SW SW S S S SW Wind Spd 5 2 1 1 0 0 2 5 4 2 1 1 1 1 2 5 4 2 1 1 1 2 Clouds SC SC B1 SC B1 B1 SC B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 PoP 12hr 30 70 60 80 50 QPF 12hr 0.04 0.10 0.12 0.10 0.05 Rain shwrs C C S C L L L L C C C C D D C C S S C Tstms C C S C L L C C S S S C C L C S Heat index 94 89 84 91 91 87 88 Max heat 96 92 94 87 90 Date 07/11 Sat 07/12/25 Sun 07/13/25 Mon 07/14/25 Tue 07/15/25 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 85 68 86 68 86 67 87 68 89 Temp 82 81 70 70 82 80 70 70 83 82 69 70 85 82 70 70 86 84 Dewpt 72 72 69 69 73 71 70 70 72 72 69 69 72 71 69 69 71 72 PWind Dir SW SW SW SW SW SW W SE SW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B2 B1 B1 B1 B1 SC SC B1 B2 SC SC B1 B1 SC SC SC SC SC PoP 12hr 70 30 60 40 50 30 50 30 50 Rain shwrs C L C S S L C S S C C C C S C Tstms C L C S C C S C C C C S C $$ TNZ071-090800- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 135 PM EDT Tue Jul 8 2025 Date 07/08/25 Wed 07/09/25 Thu 07/10/25 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 72 92 72 88 71 Temp 94 88 79 75 73 74 84 90 90 83 77 74 72 74 80 86 87 81 76 73 71 73 Dewpt 70 71 72 72 71 71 74 73 73 72 72 71 71 71 73 73 72 71 72 71 71 71 RH 46 57 79 90 93 90 72 58 58 70 85 90 97 90 79 65 61 72 87 93100 93 Wind Dir W W W S S SW SW W W W S SW SW SW SW SW SW SW S SW SW SW Wind Spd 5 3 2 1 1 1 2 4 5 3 2 2 2 2 3 5 5 4 2 2 2 2 Clouds FW SC SC FW SC SC SC SC SC SC B2 B1 B2 B2 B2 B2 B1 B2 B2 B2 B2 B2 PoP 12hr 20 70 50 80 40 QPF 12hr 0.01 0.05 0.05 0.16 0.07 Rain shwrs C S C L L C C C C C C D D C C S S C Tstms C S C L L C C S S C L L C S S Heat index 100 94 91 98 98 88 84 93 94 85 Max heat 100 87 98 100 84 93 94 Date 07/11 Sat 07/12/25 Sun 07/13/25 Mon 07/14/25 Tue 07/15/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 89 71 89 71 90 71 91 71 93 Temp 87 82 73 73 87 84 73 73 88 84 73 73 89 85 73 73 91 87 Dewpt 73 72 71 71 74 72 72 72 74 72 71 71 73 71 71 70 73 71 PWind Dir SW SW SW SW W SW W NE NW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B2 B1 B1 B1 B1 SC SC B1 SC SC SC SC SC SC SC SC SC SC PoP 12hr 80 30 60 30 50 30 40 20 50 Rain shwrs C D C C L C S S C C C S S C Tstms S L C C L C S C C C S S C $$ TNZ036-090800- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 135 PM EDT Tue Jul 8 2025 Date 07/08/25 Wed 07/09/25 Thu 07/10/25 Fri 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 90 70 88 70 Temp 91 84 77 74 71 73 83 88 89 83 76 72 70 72 80 86 86 80 74 72 70 72 Dewpt 72 72 72 71 71 71 74 74 73 72 71 71 70 71 74 74 74 72 72 71 70 71 RH 54 67 85 90100 93 74 63 59 70 85 97100 97 82 68 68 77 93 97100 97 Wind Dir W W N W S SW SW W W W W SW SW SW SW SW SW SW SW SW SW SW Wind Spd 3 2 1 1 1 1 2 3 3 2 1 1 1 1 2 2 2 2 1 2 2 2 Clouds SC SC FW SC SC SC SC B1 B1 B2 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 PoP 12hr 20 70 50 80 30 QPF 12hr 0.01 0.04 0.03 0.12 0.04 Rain shwrs C S S S L L C C C C C C D D C C C Tstms C S S S L L C C C L L C S Heat index 99 90 90 97 97 88 85 94 94 84 Max heat 101 85 97 97 94 95 Date 07/11 Sat 07/12/25 Sun 07/13/25 Mon 07/14/25 Tue 07/15/25 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 70 89 71 89 70 91 70 93 Temp 86 82 72 72 87 82 73 73 87 83 72 72 90 83 72 72 92 85 Dewpt 74 72 71 71 75 72 72 71 75 72 71 70 73 72 70 70 73 72 PWind Dir SW SW SW SW W W W N S Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B1 B1 B1 B1 B2 SC SC B1 B1 B1 SC SC B1 SC SC B1 SC SC PoP 12hr 80 30 70 30 60 30 50 20 50 Rain shwrs C D C S C L C S S L C C S S C Tstms C L C C L C S C C C S S C $$ TNZ099-090800- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 135 PM EDT Tue Jul 8 2025 Date 07/08/25 Wed 07/09/25 Thu 07/10/25 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 73 93 72 89 71 Temp 92 85 79 76 74 75 85 90 90 83 76 74 72 74 81 87 86 80 75 73 71 73 Dewpt 71 73 73 73 73 73 75 75 73 73 73 73 72 72 74 74 74 73 73 73 71 72 RH 51 67 82 90 97 94 72 62 58 72 90 97100 93 79 65 68 79 94100100 97 Wind Dir W W W N N N W W W W SW SW SW SW SW SW SW SW SW S SW SW Wind Spd 4 2 1 0 0 0 2 4 5 2 1 1 1 1 2 3 5 3 2 1 1 2 Clouds SC SC SC SC SC SC FW SC SC SC B1 B1 B1 B1 B2 B1 B2 B2 B2 SC B1 B1 PoP 12hr 20 70 40 80 40 QPF 12hr 0.05 0.03 0.07 0.22 0.02 Rain shwrs C S C L L C C C C C C D D C C C C C Tstms C S C L L C C S S C L L C C S Heat index 99 92 94101 98 89 86 95 94 84 Max heat 102 88 101 103 84 95 97 Date 07/11 Sat 07/12/25 Sun 07/13/25 Mon 07/14/25 Tue 07/15/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 90 72 90 72 92 72 93 73 94 Temp 87 83 73 73 88 83 74 73 90 85 74 74 91 86 74 74 92 87 Dewpt 75 73 73 73 75 73 72 73 75 73 73 73 73 72 72 72 73 73 PWind Dir SW SW SW SW W W NW NW N Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B1 B1 B1 SC B1 SC SC SC SC SC SC SC SC SC FW FW SC FW PoP 12hr 80 30 70 20 60 20 50 20 50 Rain shwrs C D C S C L S S L S C S C Tstms S L C S C L S S C S C S C $$ NCZ060-090800- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 135 PM EDT Tue Jul 8 2025 Date 07/08/25 Wed 07/09/25 Thu 07/10/25 Fri 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 89 66 86 66 Temp 88 79 72 70 68 68 81 86 85 77 70 68 66 68 76 83 82 74 69 68 66 68 Dewpt 68 71 70 69 68 68 73 72 71 70 69 68 66 68 73 72 71 70 69 68 66 68 RH 52 77 93 97100100 77 63 63 79 97100100100 90 70 69 87100100100100 Max/Min RH 100 61 100 67 100 Wind Dir W W N N N N W W NW W N N N N SW W W W N N N N Wind Dir Deg 26 28 0 0 0 0 24 25 29 28 0 0 0 0 22 25 25 24 0 0 0 0 Wind Spd 3 2 0 0 0 0 1 3 3 2 0 0 0 0 2 3 3 2 0 0 0 0 Clouds SC SC FW FW B1 SC FW B1 B1 SC B1 B1 B2 B2 B1 B2 B1 B2 B2 B2 B2 B2 Clouds (%) 28 32 23 23 51 37 23 54 57 48 64 59 82 83 61 71 68 87 79 70 83 71 Vsby 10 10 10 7 7 7 10 6 10 6 6 10 PoP 12hr 20 80 60 90 50 QPF 12hr 0.02 0.21 0.05 0.51 0.09 Rain shwrs C S C L C L L S S C C D D C C S S C Tstms C S C L C C C S C D L C C S Heat index 92 86 92 90 88 86 Max heat 95 92 94 88 90 ChanceThunder 20 80 50 80 40 Max Mix Hgt AGL Mix Hgt 3800 3800 Max Vent Rt 21600 23000 T Wind Dir W W T Wind Spd 6 5 ADI Max LVORI Stability MM MM MM MM MM MM MM MM MM MM MM Ceiling MM MM MM MM MM MM MM MM MM MM MM Sta Pres MM MM MM MM MM MM MM MM MM MM MM Date 07/11 Sat 07/12/25 Sun 07/13/25 Mon 07/14/25 Tue 07/15/25 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 87 66 88 66 88 66 89 66 90 Temp 83 78 68 68 85 80 68 68 85 80 68 68 88 78 68 68 89 79 Dewpt 72 70 68 68 72 70 68 68 72 70 68 68 71 70 68 67 71 71 PWind Dir SW S W W NW NW NW N NW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B1 B1 B1 B1 B1 B1 SC B1 SC SC SC SC SC SC SC SC SC SC PoP 12hr 90 30 70 30 60 30 50 20 60 Rain shwrs C D C C L C L C C S S L Tstms C L C C L C L C C S S L This is an experimental product for planning and review purposes only, and is not to be substituted for an official fire weather spot forecast $$