Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
236 FOUS54 KMRX 291732 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 131 PM EDT Fri Aug 29 2025 TNZ017-300800- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 131 PM EDT Fri Aug 29 2025 Date 08/29/25 Sat 08/30/25 Sun 08/31/25 Mon 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 82 57 80 58 Temp 78 71 62 59 57 58 72 78 79 71 63 59 58 59 71 77 76 68 62 61 59 59 Dewpt 56 57 57 56 54 54 59 55 54 57 56 54 54 56 61 61 60 61 59 58 57 57 RH 47 61 84 90 90 86 64 45 42 61 78 83 86 90 71 58 58 78 90 90 93 93 Wind Dir W NW SE E E E E NW N N NE NE E E E N E E E E E E Wind Spd 5 2 1 1 1 2 2 3 4 3 2 2 2 2 2 3 4 4 3 2 2 2 Clouds SC FW SC SC B1 B1 SC FW FW SC FW FW B1 B2 B1 SC SC SC SC SC SC B1 PoP 12hr 0 5 0 30 10 QPF 12hr 0 0 0 0 0 Rain shwrs C C Tstms C C Obvis PF PF PF Date 09/01 Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 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 57 74 57 75 58 75 55 73 Temp 75 68 60 59 72 67 60 58 72 67 61 59 71 66 60 56 69 64 Dewpt 60 60 56 55 58 58 56 55 58 60 58 59 63 61 58 55 55 52 PWind Dir SE E SE SE SE SE SW W W Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B1 B1 B1 B2 B2 B1 B1 B2 B1 B1 B1 B1 B1 SC B1 B1 SC FW PoP 12hr 30 10 30 20 40 40 50 20 20 Rain shwrs C S C S S C C C C C C S S Tstms C S C S C $$ TNZ071-300800- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 131 PM EDT Fri Aug 29 2025 Date 08/29/25 Sat 08/30/25 Sun 08/31/25 Mon EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 60 85 61 84 63 Temp 83 76 68 64 61 60 75 83 84 76 69 65 62 62 74 81 82 75 69 66 64 64 Dewpt 55 57 57 57 57 57 60 57 56 58 58 58 57 57 62 62 61 61 61 60 60 61 RH 38 52 68 78 87 90 60 41 38 54 68 78 84 84 66 53 49 62 76 81 87 90 Wind Dir N NE E NE NE E N N N N NE E E E N N N E E E E E Wind Spd 5 4 3 2 2 3 3 4 5 5 3 2 2 2 2 3 4 4 3 2 2 2 Clouds CL FW SC SC SC FW FW FW FW SC FW FW SC SC SC B1 SC SC SC SC B1 SC PoP 12hr 0 0 0 10 10 QPF 12hr 0 0 0 0 0 Date 09/01 Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 81 63 78 62 76 62 77 57 77 Temp 78 71 66 64 76 71 65 62 74 71 65 63 76 69 62 58 74 67 Dewpt 64 63 63 62 63 62 60 59 63 62 62 62 65 62 59 56 55 54 PWind Dir SE SE NE E SE S W NW NW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B1 B1 B2 B2 B2 B1 B1 B2 B1 B1 B1 B1 B1 SC SC SC SC FW PoP 12hr 40 30 30 30 50 40 30 20 10 Rain shwrs C C S S C C C C C C C S C S Tstms C S C S C S S $$ TNZ036-300800- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 131 PM EDT Fri Aug 29 2025 Date 08/29/25 Sat 08/30/25 Sun 08/31/25 Mon 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 85 60 84 61 Temp 83 75 67 64 61 60 75 83 83 75 68 64 61 61 74 82 82 73 67 65 62 63 Dewpt 57 58 58 58 57 58 60 59 57 58 57 56 55 55 61 62 60 60 59 59 59 60 RH 41 55 73 81 87 93 60 44 41 55 68 75 81 81 64 51 47 64 75 81 90 90 Wind Dir E NE N NE NE NE NE NE N NE N NE NE NE NE NE NE NE NE NE NE NE Wind Spd 2 2 2 2 2 2 2 2 2 3 3 2 2 2 2 2 2 2 2 2 2 2 Clouds FW SC B1 B1 FW FW FW FW FW FW FW SC B1 B1 SC SC SC SC SC SC B1 B1 PoP 12hr 0 0 0 10 5 QPF 12hr 0 0 0 0 0 Rain shwrs S Date 09/01 Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 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 62 77 61 76 61 77 55 77 Temp 78 71 64 63 74 69 63 62 74 69 64 62 75 68 60 56 74 66 Dewpt 65 63 63 62 64 62 61 60 63 62 62 62 64 60 57 54 54 53 PWind Dir SE E SE E S SW W NW NW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B1 B1 B1 B2 B2 B1 B1 B2 B2 B1 B1 B2 B1 SC SC SC SC FW PoP 12hr 40 30 40 40 50 40 40 20 10 Rain shwrs S C C C S C C C C C C C S C S Tstms S C C C S C S S $$ TNZ099-300800- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 131 PM EDT Fri Aug 29 2025 Date 08/29/25 Sat 08/30/25 Sun 08/31/25 Mon EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 61 88 62 85 64 Temp 84 76 69 65 63 62 76 84 84 76 69 66 63 63 75 83 83 76 70 67 65 65 Dewpt 56 58 58 58 58 58 61 59 56 59 62 61 61 60 64 64 63 63 63 63 62 62 RH 38 54 68 78 84 87 60 43 38 56 78 84 93 90 69 53 51 64 78 87 90 90 Wind Dir NE N N N NE N NE NE NE NE E NE NE NE NE NE NE NE E SE SE SE Wind Spd 4 4 2 2 2 2 3 4 5 4 2 2 2 2 2 2 3 4 2 2 2 2 Clouds FW SC SC FW FW CL CL FW SC SC FW FW SC SC SC SC SC B1 SC SC SC SC PoP 12hr 0 5 0 10 5 QPF 12hr 0 0 0 0 0 Date 09/01 Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 82 63 80 63 77 64 80 58 79 Temp 79 73 66 64 78 73 65 63 75 72 65 64 78 72 62 59 76 69 Dewpt 64 64 63 62 62 61 61 61 63 64 63 63 65 61 59 55 56 55 PWind Dir SE SE SE SE SE S W NW NW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC FW FW PoP 12hr 40 30 30 40 60 30 30 10 10 Rain shwrs C C S S C C C C L C S S C Tstms C C S S S S C S S $$ NCZ060-300800- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 131 PM EDT Fri Aug 29 2025 Date 08/29/25 Sat 08/30/25 Sun 08/31/25 Mon 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 57 82 58 Temp 80 70 62 59 57 58 74 81 79 70 63 61 58 58 72 79 76 68 63 61 60 59 Dewpt 53 55 55 55 54 55 60 55 55 60 60 60 58 58 63 61 61 62 61 60 58 58 RH 39 59 78 87 90 90 62 41 44 71 90 97100100 73 54 60 81 93 97 93 96 Max/Min RH 93 41 100 54 100 Wind Dir N N SE E SE SE E E E E E E N E SE E E E E E E E Wind Dir Deg 33 0 12 11 12 12 11 10 9 11 11 10 0 10 12 9 11 9 11 11 10 10 Wind Spd 4 2 1 1 1 1 1 2 3 2 1 1 0 1 2 2 3 2 2 2 2 2 Clouds FW FW SC SC SC SC FW SC SC SC SC SC SC B2 SC SC B1 B1 SC SC B1 B1 Clouds (%) 6 17 40 49 26 39 16 36 39 47 35 40 48 71 50 49 59 60 48 50 52 62 Vsby 10 10 10 10 9 10 10 10 10 10 10 10 PoP 12hr 0 10 0 20 10 QPF 12hr 0 0 0 0 0 Rain shwrs S S S Tstms S S Obvis PF PF ChanceThunder 0 10 0 20 10 Max Mix Hgt AGL Mix Hgt 6400 5800 Max Vent Rt 22800 16500 T Wind Dir NE SE T Wind Spd 4 4 ADI 23 17 Max LVORI 7 10 Stability A G G A A G F A B G F Ceiling NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE Sta Pres 27.92 27.91 27.94 27.92 27.92 27.95 28.00 28.01 27.99 28.01 28.03 Date 09/01 Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri 09/05/25 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 57 78 57 76 58 78 54 77 Temp 76 66 61 58 75 67 60 57 72 66 60 59 75 66 57 55 73 63 Dewpt 61 61 58 55 58 58 56 55 59 60 59 59 62 60 57 55 55 52 PWind Dir SE E SE SE SE SE W NW NW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B1 B1 B1 B1 B1 B1 B1 B2 B1 B1 B1 B2 B1 SC SC B1 SC FW PoP 12hr 40 30 30 30 50 40 40 20 10 Rain shwrs S C C S C S C C C C S S C S Tstms S C S S S C S C This is an experimental product for planning and review purposes only, and is not to be substituted for an official fire weather spot forecast $$