Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
446 FOUS54 KMRX 281732 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 132 PM EDT Thu Aug 28 2025 TNZ017-290800- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 132 PM EDT Thu Aug 28 2025 Date 08/28/25 Fri 08/29/25 Sat 08/30/25 Sun 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 52 80 56 82 56 Temp 75 68 59 56 53 54 69 77 78 70 63 59 57 57 72 78 79 70 63 59 58 58 Dewpt 50 51 50 49 49 49 55 57 57 58 56 55 54 54 59 58 57 58 55 55 54 55 RH 41 54 72 77 86 83 61 50 48 66 78 87 90 90 64 50 47 66 75 87 86 90 Wind Dir W W SE E E SE W W NW N E E E E NE NW N NE NE E E E Wind Spd 5 2 1 0 1 1 2 5 5 2 1 1 1 2 2 3 4 3 2 2 2 2 Clouds FW FW FW CL FW FW FW FW SC SC SC SC B1 SC FW FW FW FW FW FW SC SC PoP 12hr 0 0 0 10 5 QPF 12hr 0 0 0 0 0 Obvis PF Date 08/31 Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 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 57 79 58 76 57 77 58 78 Temp 77 69 60 58 76 69 61 59 72 68 60 58 72 68 61 59 75 68 Dewpt 60 60 58 57 60 60 58 56 59 59 56 55 59 59 58 57 61 60 PWind Dir E E E E SE E S S SW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds SC SC SC SC SC B1 B1 B1 B1 B1 SC B1 SC SC SC SC SC SC PoP 12hr 20 10 30 20 30 20 30 20 40 Rain shwrs S S C S S S C S S S C S C Tstms S C S S C S $$ TNZ071-290800- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 132 PM EDT Thu Aug 28 2025 Date 08/28/25 Fri 08/29/25 Sat 08/30/25 Sun EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 56 84 60 86 61 Temp 80 72 65 61 58 58 73 82 83 76 69 65 62 61 75 83 84 76 69 65 63 62 Dewpt 52 53 53 53 52 52 56 57 57 58 57 57 57 57 61 60 58 59 59 59 58 58 RH 38 51 65 75 80 80 55 43 41 54 66 75 84 87 62 46 41 56 70 81 84 87 Wind Dir NW SW S E NE NE N N N NE E E E E NE N N NE NE NE E E Wind Spd 4 2 2 2 2 2 2 3 4 3 2 2 2 2 2 3 5 5 4 3 3 3 Clouds B1 B1 SC FW FW FW FW FW FW FW SC SC SC FW FW FW FW FW FW FW SC SC PoP 12hr 0 0 5 10 5 QPF 12hr 0 0 0 0 0 Date 08/31 Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 85 62 81 63 78 62 80 62 79 Temp 82 75 66 63 78 72 65 63 75 71 64 62 77 72 66 63 77 70 Dewpt 62 61 60 60 64 63 62 61 64 62 61 60 63 63 62 61 64 61 PWind Dir NE E E E NE E SW S SW Wind Char LT LT LT LT LT LT LT LT GN Avg Clouds SC SC SC SC SC B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC PoP 12hr 10 10 40 30 30 20 30 20 30 Rain shwrs S C C S S C S S S C S S C Tstms C S C S C S S $$ TNZ036-290800- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 132 PM EDT Thu Aug 28 2025 Date 08/28/25 Fri 08/29/25 Sat 08/30/25 Sun 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 85 60 85 60 Temp 79 71 64 60 57 58 73 82 83 75 68 64 61 61 75 83 82 74 68 65 61 61 Dewpt 54 55 54 53 52 53 57 58 58 59 58 58 57 57 62 61 59 60 59 58 56 56 RH 42 57 70 78 83 83 57 44 43 58 70 81 87 87 64 47 46 62 73 78 84 84 Wind Dir SW SE N NE NE NE E E N NE NE NE NE NE NE NE NE N N NE NE NE Wind Spd 2 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 2 2 2 2 Clouds B1 B1 SC FW FW FW FW FW FW FW SC SC SC FW FW FW FW FW FW FW FW SC PoP 12hr 0 0 5 5 5 QPF 12hr 0 0 0 0 0 Date 08/31 Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 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 84 61 81 62 78 61 78 61 79 Temp 82 74 65 63 79 71 64 62 76 70 64 61 76 70 64 62 77 70 Dewpt 62 61 59 59 65 63 62 61 64 62 61 60 64 62 62 61 64 61 PWind Dir NE NE SE NE E NE S W SW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds SC SC SC SC B1 B1 B1 B1 B1 SC SC B1 B1 SC SC SC B1 SC PoP 12hr 10 10 40 20 40 20 30 20 30 Rain shwrs S C S S C C S S S C S S C Tstms C S C S C S S $$ TNZ099-290800- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 132 PM EDT Thu Aug 28 2025 Date 08/28/25 Fri 08/29/25 Sat 08/30/25 Sun EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 59 87 63 86 62 Temp 81 75 67 64 61 60 75 83 84 76 69 66 64 64 75 83 83 76 69 67 64 63 Dewpt 56 58 57 57 55 55 58 57 57 59 59 59 59 60 63 63 61 61 62 61 60 60 RH 42 55 70 78 81 84 55 41 40 56 70 78 84 87 66 51 47 60 78 81 87 90 Wind Dir N NE N N N N NE NE NE NE E NE NE NE NE NE E NE NE N N NE Wind Spd 3 3 2 2 2 2 2 2 3 2 2 2 2 2 3 4 5 4 2 2 2 2 Clouds B2 B2 B1 SC FW CL FW FW SC SC SC SC SC FW FW FW SC FW FW FW FW SC PoP 12hr 0 0 10 20 10 QPF 12hr 0 0 0 0.02 0 Rain shwrs S S S S Tstms S S Date 08/31 Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 65 82 64 80 63 80 63 81 Temp 82 76 68 66 80 72 65 65 77 73 65 63 77 72 66 64 79 72 Dewpt 64 63 63 63 65 65 63 63 63 63 62 62 63 63 62 61 63 62 PWind Dir E E SE SE SE SE S S SW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds SC SC SC SC SC B1 B1 B1 SC B1 SC SC SC SC SC SC SC SC PoP 12hr 20 10 40 30 40 20 30 20 30 Rain shwrs S S C C C C C S S S C S C Tstms S C S C C S S $$ NCZ060-290800- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 132 PM EDT Thu Aug 28 2025 Date 08/28/25 Fri 08/29/25 Sat 08/30/25 Sun 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 52 85 56 83 58 Temp 76 67 60 56 53 53 72 81 80 70 62 59 57 57 73 80 78 69 63 61 59 59 Dewpt 53 54 52 51 49 50 56 55 55 57 55 55 54 55 61 60 59 60 59 58 57 58 RH 45 63 75 83 86 89 57 41 42 63 78 87 90 93 66 51 52 73 87 90 93 96 Max/Min RH 89 41 93 49 96 Wind Dir NW NW N N SE SE E NW NW N E E E E E SE NE SE E E E E Wind Dir Deg 29 31 0 0 12 13 9 30 32 0 9 10 9 10 11 15 5 12 10 9 10 8 Wind Spd 5 2 0 0 1 1 1 2 3 2 1 1 1 1 2 3 4 2 2 1 1 1 Clouds B2 B2 B1 SC FW FW FW FW SC SC SC B1 SC SC SC SC SC SC SC SC SC B1 Clouds (%) 76 78 65 37 21 23 12 18 33 29 41 54 49 45 27 33 31 42 33 41 37 57 Vsby 10 10 10 10 9 10 10 10 10 10 10 10 10 10 10 10 PoP 12hr 0 0 10 20 10 QPF 12hr 0 0 0 0 0 Rain shwrs S S S S Tstms S S ChanceThunder 0 0 5 20 10 Max Mix Hgt AGL Mix Hgt 6100 4500 Max Vent Rt 23400 26900 T Wind Dir NW SE T Wind Spd 3 5 ADI 23 27 Max LVORI 7 7 Stability B G G A A F F A A G G Ceiling NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE 23500 Sta Pres 28.00 27.99 28.02 27.98 27.92 27.92 27.95 27.94 27.94 27.95 28.02 Date 08/31 Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 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 59 78 58 78 57 78 58 79 Temp 79 68 62 60 75 66 60 59 74 67 61 58 76 67 61 59 77 67 Dewpt 61 61 60 59 62 61 60 58 59 59 58 56 59 59 59 58 60 59 PWind Dir E E SE E SE SE S SE SW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds SC B1 B1 B1 B1 B1 B1 B2 B1 B1 SC B1 SC SC SC SC SC SC PoP 12hr 20 20 50 30 40 20 30 20 30 Rain shwrs S S S S C C S S C S S S C S C Tstms S C S S 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 $$