Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
798 FOUS54 KMRX 241744 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 144 PM EDT Sun Aug 24 2025 TNZ017-250800- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 144 PM EDT Sun Aug 24 2025 Date 08/24/25 Mon 08/25/25 Tue 08/26/25 Wed 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 76 53 75 49 Temp 79 74 68 64 61 60 68 73 74 68 61 57 54 54 66 71 73 67 58 54 51 51 Dewpt 66 65 63 61 59 58 58 56 54 53 52 51 51 51 53 52 51 51 49 48 48 48 RH 64 74 84 90 93 93 70 55 50 59 72 80 90 90 63 51 46 56 72 80 89 89 Wind Dir W W W NW NW NW N NW NW NW W W N NE NW W W NW N N NE NE Wind Spd 5 4 2 2 2 2 4 6 8 5 2 1 1 1 2 5 8 5 2 1 1 1 Clouds SC SC SC SC SC SC SC SC SC SC B1 B1 B1 SC FW FW FW FW FW CL FW FW PoP 12hr 5 0 0 0 0 QPF 12hr 0 0 0 0 0 Rain shwrs S Tstms S Obvis PF Date 08/27 Thu 08/28/25 Fri 08/29/25 Sat 08/30/25 Sun 08/31/25 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 75 52 77 54 79 55 80 57 80 Temp 71 66 55 54 73 68 58 56 75 69 58 57 77 71 61 59 76 71 Dewpt 50 51 48 49 53 53 52 52 54 54 52 53 56 56 55 54 58 58 PWind Dir N NE SW SE N NE N E S Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds FW FW SC B2 B1 B1 SC SC SC FW FW SC SC SC SC SC SC SC PoP 12hr 0 0 0 20 10 5 10 5 20 Rain shwrs S S Tstms S $$ TNZ071-250800- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 144 PM EDT Sun Aug 24 2025 Date 08/24/25 Mon 08/25/25 Tue 08/26/25 Wed EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 61 80 58 78 54 Temp 83 78 71 68 64 62 71 77 78 72 66 62 60 59 69 76 77 70 63 60 56 55 Dewpt 68 67 65 61 59 58 58 56 56 56 55 54 54 54 54 54 53 53 52 51 50 51 RH 61 69 81 78 84 87 63 48 47 57 68 75 81 83 59 46 43 55 67 72 80 86 Wind Dir W W NW NW N N N N NW NW N NE NE NE N N NW N N NE NE NE Wind Spd 4 3 3 2 2 2 4 5 5 5 2 2 2 2 3 5 6 5 3 2 2 3 Clouds FW FW FW SC SC FW FW SC SC B2 B1 B1 B1 SC SC SC SC SC FW FW FW CL PoP 12hr 5 0 0 0 0 QPF 12hr 0 0 0 0 0 Heat index 86 Max heat 87 Date 08/27 Thu 08/28/25 Fri 08/29/25 Sat 08/30/25 Sun 08/31/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 78 56 80 57 81 60 83 62 82 Temp 76 69 60 58 78 72 62 59 78 73 64 61 80 75 66 63 79 74 Dewpt 51 51 51 52 55 55 55 55 58 56 56 56 59 58 59 59 61 60 PWind Dir NE NE N E NE NE NE E N Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds CL FW SC B1 B1 B1 B1 SC SC SC SC SC SC SC SC B1 B1 B1 PoP 12hr 0 0 5 20 10 10 5 10 20 Rain shwrs S S S Tstms S $$ TNZ036-250800- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 144 PM EDT Sun Aug 24 2025 Date 08/24/25 Mon 08/25/25 Tue 08/26/25 Wed 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 56 78 54 Temp 83 77 70 65 61 60 71 77 77 70 64 61 58 57 69 76 75 68 62 58 56 55 Dewpt 68 66 63 58 56 56 58 56 56 55 54 53 52 52 55 54 53 53 51 50 49 49 RH 61 69 78 78 84 87 63 48 48 59 70 75 80 83 61 46 46 59 67 75 77 80 Wind Dir W W NW NE NW N N N NW NW NW N N N N N NW NW N N N N Wind Spd 2 3 4 3 2 2 3 3 4 3 2 2 2 2 2 3 4 4 3 2 2 2 Clouds SC FW FW FW FW FW FW FW SC B1 B1 B1 B1 SC SC SC SC FW FW CL FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Obvis PF Heat index 86 Max heat 87 Date 08/27 Thu 08/28/25 Fri 08/29/25 Sat 08/30/25 Sun 08/31/25 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 77 54 79 56 81 58 82 61 81 Temp 76 68 58 56 77 70 61 58 78 72 63 60 80 73 65 62 78 72 Dewpt 51 52 50 50 55 55 54 53 58 57 55 56 59 58 58 57 62 60 PWind Dir NE N W N NE NE NE N NW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds FW FW SC B1 B1 B1 B1 SC SC SC SC SC SC SC SC B1 B1 B1 PoP 12hr 0 0 5 20 10 10 5 10 20 Rain shwrs S S S Tstms S $$ TNZ099-250800- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 144 PM EDT Sun Aug 24 2025 Date 08/24/25 Mon 08/25/25 Tue 08/26/25 Wed EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 62 81 61 78 56 Temp 84 78 71 68 64 62 73 78 78 72 66 63 62 61 70 75 76 70 63 60 58 57 Dewpt 69 67 65 60 58 58 58 57 57 56 55 55 53 54 55 55 55 54 53 52 51 51 RH 61 69 81 76 81 87 59 48 48 57 68 75 72 78 59 50 48 57 70 75 77 80 Wind Dir NW NW NW N N N N N N N N N N N N N N N N N N N Wind Spd 4 4 4 4 4 4 5 6 8 5 4 3 3 3 5 5 6 5 5 3 4 4 Clouds SC FW FW SC FW FW FW SC B1 B1 SC B1 B1 SC B1 B1 SC FW FW FW CL CL PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Heat index 88 Max heat 88 Date 08/27 Thu 08/28/25 Fri 08/29/25 Sat 08/30/25 Sun 08/31/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 80 57 81 60 82 61 83 63 81 Temp 76 71 60 59 78 72 63 61 78 73 64 62 80 74 66 65 78 73 Dewpt 53 53 52 52 57 58 56 56 61 60 58 58 62 61 60 60 64 63 PWind Dir NE N NE NE NE NE E E SE Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds FW FW SC B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC B1 B1 PoP 12hr 0 0 10 30 20 10 10 10 20 Rain shwrs C C S S S S Tstms S S $$ NCZ060-250800- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 144 PM EDT Sun Aug 24 2025 Date 08/24/25 Mon 08/25/25 Tue 08/26/25 Wed 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 57 80 54 77 49 Temp 79 73 67 63 59 58 70 77 75 67 60 57 55 55 68 74 72 65 58 54 51 50 Dewpt 67 65 64 61 58 56 58 55 54 53 52 52 51 52 53 52 51 51 50 49 48 47 RH 67 76 90 93 96 93 66 47 48 61 75 83 86 90 59 46 48 60 75 83 89 89 Max/Min RH 97 46 93 46 93 Wind Dir NW NW NW NW NW NW NW NW NW NW N N N N NW NW NW N N N N NE Wind Dir Deg 31 30 29 30 30 31 32 32 32 31 33 34 34 1 32 31 31 33 33 0 2 3 Wind Spd 4 2 2 2 2 2 4 5 6 4 2 1 1 1 2 5 5 3 2 1 1 1 Clouds SC FW FW SC SC SC FW FW SC B1 B1 B1 B2 B1 SC SC SC SC FW FW FW SC Clouds (%) 30 13 19 36 36 42 11 12 41 61 56 68 75 67 45 39 44 37 23 17 14 28 Vsby 10 10 10 10 9 7 10 10 10 10 10 10 PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Rain shwrs S Tstms S ChanceThunder 0 0 0 0 0 Max Mix Hgt AGL Mix Hgt 4000 5500 Max Vent Rt 47600 43500 T Wind Dir N NW T Wind Spd 11 6 ADI 48 44 Max LVORI 6 7 Stability A G G B B F F B A G G Ceiling NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE Sta Pres 27.83 27.88 27.91 27.92 27.95 27.97 28.02 28.01 28.00 28.04 28.07 Date 08/27 Thu 08/28/25 Fri 08/29/25 Sat 08/30/25 Sun 08/31/25 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 79 53 80 56 80 56 82 58 80 Temp 76 65 55 54 77 67 58 57 76 68 59 57 78 69 61 59 77 69 Dewpt 50 51 50 51 54 56 55 55 58 57 56 55 57 58 58 57 60 60 PWind Dir N NE SW NE N E S E SE Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds FW FW SC B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC B1 B1 B1 PoP 12hr 0 0 10 30 20 10 10 10 30 Rain shwrs C C S S S C Tstms 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 $$