Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
676 FOUS54 KMRX 271752 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 152 PM EDT Wed Aug 27 2025 TNZ017-280800- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 152 PM EDT Wed Aug 27 2025 Date 08/27/25 Thu 08/28/25 Fri 08/29/25 Sat 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 50 78 51 81 56 Temp 74 67 57 54 52 52 68 75 77 69 59 54 52 53 69 78 80 73 63 59 56 58 Dewpt 46 47 46 46 45 46 51 52 51 52 51 50 48 49 54 55 56 57 55 54 54 54 RH 37 49 67 74 77 80 54 45 40 55 75 86 86 86 59 45 44 57 75 83 93 86 Wind Dir N N NE E E E SE W W W SE E E E W NW W N E E E NE Wind Spd 3 2 2 2 2 2 2 5 5 2 1 1 1 1 2 3 3 2 2 2 2 2 Clouds FW SC SC B1 SC SC SC SC FW FW FW FW FW FW FW FW FW FW FW SC SC SC PoP 12hr 0 0 0 0 5 QPF 12hr 0 0 0 0 0 Obvis PF Date 08/30 Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 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 58 80 58 78 56 79 56 80 Temp 79 73 60 59 78 70 62 59 75 71 60 57 75 72 60 57 77 73 Dewpt 58 59 56 57 61 61 58 57 60 58 56 55 59 58 56 55 59 59 PWind Dir E E E E E E NE E SW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds SC SC SC SC B1 B1 SC B1 SC SC SC B1 SC SC SC SC SC FW PoP 12hr 10 5 30 20 30 10 20 10 20 Rain shwrs C S S S C S S Tstms C S S S S $$ TNZ071-280800- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 152 PM EDT Wed Aug 27 2025 Date 08/27/25 Thu 08/28/25 Fri 08/29/25 Sat EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 55 81 55 85 60 Temp 79 72 63 59 57 56 70 79 79 72 65 61 58 56 73 82 84 77 69 65 62 61 Dewpt 48 51 50 50 50 50 54 53 53 54 54 53 52 53 57 56 56 57 58 57 57 58 RH 34 48 62 72 77 80 57 41 41 53 68 75 80 90 57 41 38 50 68 75 84 90 Wind Dir N N E NE NE NE N NW W W S E E E NE NE N NE E E E E Wind Spd 5 3 3 2 2 2 2 4 4 2 2 2 2 2 2 2 4 3 3 2 2 3 Clouds FW SC SC B1 SC SC SC B1 B1 B1 SC FW FW FW FW FW FW FW FW SC SC SC PoP 12hr 0 0 0 0 10 QPF 12hr 0 0 0 0 0 Date 08/30 Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 85 62 83 62 81 61 82 61 83 Temp 82 77 67 63 80 76 66 63 78 74 65 62 79 75 66 62 81 77 Dewpt 60 61 60 60 64 63 62 61 65 63 61 60 63 61 61 60 63 61 PWind Dir NE NE NE E NE E NE SE SW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds FW SC SC SC B1 B1 SC B1 B1 SC B1 SC SC SC SC SC SC FW PoP 12hr 10 5 20 20 30 20 20 10 10 Rain shwrs S S S S C S S Tstms S S S S $$ TNZ036-280800- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 152 PM EDT Wed Aug 27 2025 Date 08/27/25 Thu 08/28/25 Fri 08/29/25 Sat 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 55 81 55 84 59 Temp 78 71 62 59 56 56 70 79 80 73 64 60 57 56 73 81 83 76 67 64 62 60 Dewpt 48 48 49 49 48 49 54 54 54 55 54 52 51 52 57 57 57 58 58 57 56 58 RH 35 44 62 69 74 77 57 42 41 53 70 75 80 86 57 44 41 54 73 78 81 93 Wind Dir NE NE NE NE NE NE E W W SW N NE NE NE E E NE NE N NE NE NE Wind Spd 2 2 2 2 2 2 2 2 2 1 2 1 2 2 2 2 2 2 2 2 2 2 Clouds FW SC B1 B1 SC B1 SC B1 B1 B1 SC FW FW FW FW FW FW FW SC SC SC SC PoP 12hr 0 0 0 0 10 QPF 12hr 0 0 0 0 0 Date 08/30 Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 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 82 61 80 60 81 60 82 Temp 82 76 66 62 80 74 65 62 78 73 64 61 80 72 65 61 82 73 Dewpt 61 61 59 58 64 62 61 61 65 63 61 60 63 62 60 60 64 62 PWind Dir NE NE NE NE NE NE NE NW SW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds FW FW SC SC B1 SC SC B1 B1 SC SC B1 SC SC SC SC SC SC PoP 12hr 10 5 20 20 30 20 20 10 20 Rain shwrs S S S S C S S S Tstms S S S S S $$ TNZ099-280800- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 152 PM EDT Wed Aug 27 2025 Date 08/27/25 Thu 08/28/25 Fri 08/29/25 Sat EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 58 82 58 85 62 Temp 79 72 65 62 60 59 72 80 80 73 67 63 60 59 73 82 84 77 69 66 64 63 Dewpt 52 54 54 54 52 53 55 56 55 57 57 56 55 55 59 60 60 61 61 61 61 61 RH 39 53 68 75 75 80 55 44 42 57 70 78 84 87 62 47 44 58 76 84 90 93 Wind Dir N N N N N NE NE N N NE N N N N NE E E E SE NE NE NE Wind Spd 5 3 2 2 2 2 2 2 2 2 2 2 2 2 2 3 4 3 2 2 2 2 Clouds SC SC B1 B1 B1 SC B1 B2 B2 B2 B1 SC FW FW FW FW SC SC SC SC SC SC PoP 12hr 0 5 5 10 20 QPF 12hr 0 0 0 0 0 Rain shwrs S S C Date 08/30 Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 83 63 82 64 81 62 83 63 85 Temp 80 76 67 64 79 76 66 64 78 75 65 63 80 76 66 64 82 77 Dewpt 63 63 63 62 66 64 64 63 66 64 63 62 64 63 62 60 64 63 PWind Dir E E E NE E NE E S SW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds SC SC SC SC SC B1 SC SC B1 B1 SC SC SC SC SC FW FW FW PoP 12hr 30 10 30 20 30 10 20 10 10 Rain shwrs C C C S S S C S Tstms S C S S S $$ NCZ060-280800- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 152 PM EDT Wed Aug 27 2025 Date 08/27/25 Thu 08/28/25 Fri 08/29/25 Sat 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 53 81 51 83 56 Temp 76 65 59 56 55 53 70 78 77 67 60 56 53 53 72 82 80 69 63 60 59 57 Dewpt 49 51 50 50 50 50 57 55 54 54 53 51 50 50 57 56 57 58 58 58 57 57 RH 39 60 72 80 83 89 63 45 45 63 78 83 89 89 59 41 45 68 84 93 93100 Max/Min RH 89 41 93 40 100 Wind Dir NW NW NE N N SE S W NW NW N N E E SE SW W S SE E E E Wind Dir Deg 32 32 5 0 0 12 17 27 29 31 0 0 10 10 12 20 26 18 12 11 10 8 Wind Spd 5 3 1 0 0 1 2 4 4 2 0 0 1 1 1 2 3 2 1 1 1 1 Clouds FW B1 B2 B2 B2 B1 B1 B1 B2 B2 B1 SC SC SC FW FW FW SC SC B1 B1 B1 Clouds (%) 11 53 72 80 70 58 64 66 79 83 62 47 26 38 21 20 25 31 41 57 52 63 Vsby 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 PoP 12hr 0 0 5 10 20 QPF 12hr 0 0 0 0 0 Rain shwrs S S C ChanceThunder 0 0 0 10 10 Max Mix Hgt AGL Mix Hgt 5700 7500 Max Vent Rt 32600 30300 T Wind Dir SW SE T Wind Spd 5 4 ADI 33 30 Max LVORI 6 7 Stability B F F B B G G A A F F Ceiling NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE Sta Pres 28.03 28.04 28.05 28.06 28.05 28.04 28.01 27.99 27.96 27.94 27.95 Date 08/30 Sun 08/31/25 Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 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 58 79 58 79 56 80 57 82 Temp 79 68 61 59 78 67 61 59 77 66 60 57 79 68 61 58 80 69 Dewpt 60 61 60 59 63 62 60 59 62 60 59 57 60 60 58 56 60 60 PWind Dir E E E E E E N E NW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B1 SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC PoP 12hr 40 10 40 20 40 20 20 10 20 Rain shwrs C C C S S S C S S S Tstms S C C S S 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 $$