Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
283 FOUS54 KMRX 021732 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 132 PM EDT Tue Sep 2 2025 TNZ017-030800- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 132 PM EDT Tue Sep 2 2025 Date 09/02/25 Wed 09/03/25 Thu 09/04/25 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 58 75 57 79 60 Temp 76 70 62 61 59 59 65 70 73 68 61 59 58 59 70 76 75 68 64 62 61 61 Dewpt 55 57 58 57 56 57 61 62 62 61 60 58 57 58 62 63 63 64 62 62 60 61 RH 48 63 87 87 90 93 87 76 68 78 97 96 96 96 76 64 66 87 93100 97100 Wind Dir SW W SE SE E S S SW W S S S S SE SW SW SW SW S S S S Wind Spd 2 2 2 1 1 2 3 5 5 2 2 2 2 2 8 11 10 4 2 2 1 2 Clouds SC SC SC SC B1 B2 B1 B1 B1 SC FW FW SC SC SC SC B1 SC SC SC SC SC PoP 12hr 40 60 10 60 20 QPF 12hr 0.04 0.15 0 0.14 0.02 Rain shwrs S C C C L C S S L L S S Tstms S S S S S C C S Date 09/05 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 Tue 09/09/25 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 62 80 58 76 54 80 57 80 Temp 80 74 64 63 77 69 62 59 73 66 56 56 76 68 61 58 76 71 Dewpt 65 64 62 61 65 64 60 56 53 53 50 49 56 58 55 54 60 62 PWind Dir SW S W N N NE E E SE Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds SC FW FW SC B1 B1 B1 B1 SC FW FW SC SC SC SC SC B1 B1 PoP 12hr 5 10 40 20 10 5 10 5 20 Rain shwrs S C S S Tstms C $$ TNZ071-030800- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 132 PM EDT Tue Sep 2 2025 Date 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 62 81 63 83 65 Temp 78 72 66 64 64 63 71 77 78 73 67 65 64 64 75 81 79 73 69 67 66 66 Dewpt 62 63 63 62 61 62 63 64 63 63 63 61 61 62 66 67 66 67 65 65 64 64 RH 58 73 90 93 90 97 76 64 60 71 87 87 90 93 74 63 64 81 87 93 93 93 Wind Dir N E S NW NE E SW SW SW SW S S S S SW SW SW SW S S S S Wind Spd 3 2 2 2 2 2 4 6 6 4 3 3 4 5 10 13 10 5 4 3 3 3 Clouds SC B1 SC B1 B1 B1 SC SC SC FW FW FW SC SC SC SC SC SC SC SC SC SC PoP 12hr 30 40 10 50 10 QPF 12hr 0.03 0.02 0 0.11 0 Rain shwrs C C S S S S C S C C C C Tstms S S S S S S S C C Date 09/05 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 Tue 09/09/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 89 66 84 61 80 59 81 62 84 Temp 85 79 70 66 82 73 66 61 77 71 62 60 78 73 66 63 81 75 Dewpt 67 66 64 63 66 65 61 58 58 56 53 52 59 61 60 59 63 65 PWind Dir SW S W N NE NE NE E NE Wind Char GN LT LT LT GN LT LT LT LT Avg Clouds FW FW FW B1 B1 B1 B1 B1 SC FW FW SC SC SC SC B1 SC B1 PoP 12hr 5 20 30 20 10 5 10 10 20 Rain shwrs S S C S S Tstms S C S S $$ TNZ036-030800- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 132 PM EDT Tue Sep 2 2025 Date 09/02/25 Wed 09/03/25 Thu 09/04/25 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 61 80 61 82 63 Temp 77 70 65 63 62 62 71 77 78 72 66 64 62 62 73 80 78 72 67 65 64 64 Dewpt 62 63 63 62 61 62 64 64 64 63 63 62 61 62 67 67 67 67 66 65 64 63 RH 60 78 93 97 97100 79 64 62 73 90 93 97100 81 65 69 84 97100100 97 Wind Dir SE N N W S SE SW SW SW SW SW SW SW SW SW SW SW SW S SW SW SW Wind Spd 2 2 1 1 1 1 3 5 4 2 2 2 2 2 6 9 6 3 2 2 2 2 Clouds B1 B1 SC SC B2 B1 SC SC SC FW FW FW SC SC SC B1 SC SC SC SC SC SC PoP 12hr 30 30 10 60 10 QPF 12hr 0.01 0.02 0 0.17 0 Rain shwrs C C S S C S C C C L L Tstms S S S S S S C C Date 09/05 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 Tue 09/09/25 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 65 83 59 79 57 81 60 83 Temp 85 78 68 66 80 72 64 60 77 70 61 58 78 72 64 61 80 73 Dewpt 68 66 64 62 65 64 59 55 56 53 51 50 57 60 58 57 63 65 PWind Dir SW SW W N NE NE NE NE SE Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds SC FW SC B1 B1 B1 B1 SC SC FW FW SC SC SC SC B1 SC B1 PoP 12hr 5 20 30 20 5 5 10 10 20 Rain shwrs S S S C S S Tstms S S C S $$ TNZ099-030800- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 132 PM EDT Tue Sep 2 2025 Date 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 63 84 63 86 66 Temp 79 73 68 66 65 64 74 80 81 75 69 66 64 64 77 82 82 77 71 68 67 67 Dewpt 60 62 63 63 62 62 64 64 64 64 65 63 63 63 67 67 66 67 67 67 65 65 RH 52 68 84 90 90 93 71 58 56 69 87 90 97 97 71 61 58 71 87 97 93 93 Wind Dir SW W SW W SE S S S S S S S S S S SW SW SW S S S S Wind Spd 3 2 1 1 1 2 3 4 5 2 2 2 2 2 5 9 8 4 2 2 2 2 Clouds B1 B1 SC B1 B1 SC SC SC SC FW FW FW FW FW FW SC SC FW FW FW FW FW PoP 12hr 20 20 10 40 5 QPF 12hr 0.02 0.01 0 0.04 0 Rain shwrs S S S C C C C Tstms S S S C C Heat index 85 Max heat 82 83 85 86 Date 09/05 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 Tue 09/09/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 91 67 87 63 83 60 83 65 83 Temp 88 81 70 68 85 77 67 64 81 74 64 61 79 75 67 66 80 75 Dewpt 67 66 66 64 66 65 63 59 57 56 55 53 59 62 62 60 61 65 PWind Dir SW SW W N NE NE E SE SE Wind Char LT LT LT LT GN LT LT LT LT Avg Clouds FW FW FW SC SC B1 SC SC FW FW FW SC SC SC SC SC SC B1 PoP 12hr 0 10 20 10 5 5 10 10 30 Rain shwrs S S C Tstms S S $$ NCZ060-030800- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 132 PM EDT Tue Sep 2 2025 Date 09/02/25 Wed 09/03/25 Thu 09/04/25 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 58 79 58 82 60 Temp 75 67 63 60 59 59 69 75 76 69 62 60 59 59 72 79 77 70 65 62 61 61 Dewpt 58 60 60 59 57 57 61 61 60 61 61 60 58 58 65 63 63 63 63 62 61 60 RH 55 78 90 96 93 93 76 62 58 76 97100 96 96 79 58 62 78 93100100 97 Max/Min RH 96 58 100 58 100 Wind Dir NW E SE E E SE SE SW S SE E SE SE SE SW SW SW S SE SE SE SE Wind Dir Deg 31 9 12 10 11 14 14 22 19 15 11 12 13 14 20 22 22 19 15 15 15 15 Wind Spd 2 1 1 1 1 1 2 4 3 1 1 1 1 2 4 5 5 2 1 1 1 1 Clouds B1 B1 B1 B1 B2 OV SC B1 SC SC FW FW SC SC SC SC SC SC SC FW FW SC Clouds (%) 57 64 66 59 73 89 46 61 33 40 21 21 31 50 27 33 36 30 27 17 23 26 Vsby 10 10 10 7 7 7 10 10 10 10 10 10 PoP 12hr 20 30 20 40 10 QPF 12hr 0.01 0.01 0 0.07 0 Rain shwrs S S S S C S S S S S C C Tstms S S S S S S S C C ChanceThunder 20 30 20 40 10 Max Mix Hgt AGL Mix Hgt 4500 4500 Max Vent Rt 27100 49600 T Wind Dir S SW T Wind Spd 5 10 ADI 27 49 Max LVORI 8 8 Stability B F D B A G G B A G G Ceiling 23500 NONE NONE NONE 11700 10800 NONE NONE NONE 10800 9800 Sta Pres 27.90 27.90 27.88 27.86 27.81 27.83 27.84 27.82 27.78 27.83 27.89 Date 09/05 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 Tue 09/09/25 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 62 86 58 83 55 81 59 81 Temp 84 75 65 63 83 71 63 59 80 69 59 56 79 70 63 59 78 70 Dewpt 64 63 62 60 63 64 61 58 56 56 54 52 57 60 58 55 59 63 PWind Dir SW SE W N N NE SE SE SE Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds FW FW FW SC SC SC SC B1 SC FW FW SC SC SC SC B1 B1 B1 PoP 12hr 5 10 30 10 10 5 20 20 30 Rain shwrs C S S S C Tstms C S 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 $$