Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
483 FOUS54 KMRX 212007 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 307 PM EST Fri Nov 21 2025 TNZ017-220900- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 307 PM EST Fri Nov 21 2025 Date 11/21/25 Sat 11/22/25 Sun 11/23/25 Mon EST 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 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 66 42 60 35 Temp 61 62 59 59 59 59 61 64 63 56 51 48 45 42 49 57 60 52 44 40 37 35 Dewpt 60 59 58 58 58 58 60 57 53 50 49 46 44 42 44 41 40 41 40 37 34 33 RH 97 90 96 96 96 96 97 78 70 80 93 93 96100 83 55 47 66 86 89 89 92 Wind Dir SW S SW SW W W W NW N N N N NW NW W W W W E NE E E Wind Spd 4 3 4 5 8 9 10 10 6 3 2 2 1 1 2 4 4 2 1 1 1 2 Wind Gust 16 Clouds B2 B2 B2 OV B2 OV B2 B2 B1 B1 B1 SC SC SC FW FW CL FW FW FW SC SC PoP 12hr 70 60 10 0 0 QPF 12hr 0.22 0.14 0 0 0 Rain shwrs C S C C L L C S Tstms C Date 11/24 Tue 11/25/25 Wed 11/26/25 Thu 11/27/25 Fri 11/28/25 EST 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 65 45 64 51 59 32 48 27 46 Temp 62 55 47 47 62 59 54 53 58 48 39 32 45 40 30 27 43 38 Dewpt 40 39 39 41 53 53 54 53 50 39 35 28 27 25 24 23 24 26 PWind Dir SE SE S S W W W W W Wind Char LT LT LT LT LT LT GN LT LT Avg Clouds SC SC B2 OV OV B2 B2 OV B2 B1 SC SC SC FW FW SC SC SC PoP 12hr 5 20 60 80 40 20 10 5 10 Rain shwrs S C L D L C C S $$ TNZ071-220900- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 307 PM EST Fri Nov 21 2025 Date 11/21/25 Sat 11/22/25 Sun 11/23/25 Mon EST 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 62 71 47 64 40 Temp 63 63 63 63 63 62 65 69 68 60 55 53 49 47 54 61 64 55 48 45 42 41 Dewpt 62 60 59 61 61 61 63 60 57 55 53 50 48 46 48 45 43 43 43 40 39 39 RH 97 90 87 93 93 97 93 73 68 84 93 89 96 96 80 56 46 64 83 82 89 92 Wind Dir SW SW SW SW SW SW W NW NW N N N N N N N N NE NE NE E E Wind Spd 8 8 9 9 9 8 8 9 6 5 4 3 2 2 2 3 2 2 2 2 2 2 Clouds B2 B1 B1 B1 B2 B2 B1 SC B1 B1 B1 B1 B1 B1 FW FW CL CL FW FW SC B1 PoP 12hr 70 50 5 0 0 QPF 12hr 0.18 0.02 0 0 0 Rain shwrs C S C C L C S Tstms C C Date 11/24 Tue 11/25/25 Wed 11/26/25 Thu 11/27/25 Fri 11/28/25 EST 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 66 50 66 53 61 34 50 31 50 Temp 63 58 52 51 64 62 59 55 60 50 41 34 48 43 34 31 47 43 Dewpt 45 46 44 46 56 57 58 55 51 42 36 31 29 29 28 26 29 30 PWind Dir NE S S SW W NW NW SW NW Wind Char LT LT GN LT GN LT LT LT LT Avg Clouds SC B1 B2 OV OV B2 OV OV B2 B1 SC SC FW FW SC SC SC SC PoP 12hr 0 20 70 80 40 20 5 5 10 Rain shwrs S L L D L C C S Tstms S S S S $$ TNZ036-220900- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 307 PM EST Fri Nov 21 2025 Date 11/21/25 Sat 11/22/25 Sun 11/23/25 Mon EST 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 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 70 44 64 39 Temp 65 62 62 61 62 61 64 68 67 58 53 51 46 44 54 61 64 54 47 44 41 40 Dewpt 62 61 60 60 61 60 63 58 56 54 51 49 46 44 46 44 43 43 42 40 39 39 RH 90 97 93 97 97 97 97 70 68 86 93 93100100 74 53 46 66 83 86 92 96 Wind Dir SW SW SW SW SW SW W NW NW N N N N N N N N N N N NE NE Wind Spd 5 4 5 5 5 4 5 5 5 3 2 2 2 2 2 2 2 2 2 2 2 2 Wind Gust 17 16 Clouds B2 B1 B2 B2 OV B2 B1 SC FW FW SC SC SC SC FW FW CL FW FW FW SC SC PoP 12hr 80 50 5 0 0 QPF 12hr 0.36 0.01 0 0 0 Rain shwrs S S C C L C S Tstms C Date 11/24 Tue 11/25/25 Wed 11/26/25 Thu 11/27/25 Fri 11/28/25 EST 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 64 49 64 51 60 32 50 30 50 Temp 61 56 52 52 62 61 58 53 59 48 38 32 48 41 33 30 47 41 Dewpt 46 47 44 47 57 58 58 53 49 41 35 30 28 28 26 26 29 30 PWind Dir SE S SW SW NW NW NW NW NW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds SC B1 B2 OV OV B2 OV OV B2 SC SC SC FW FW FW SC SC SC PoP 12hr 5 30 80 90 30 20 5 5 10 Rain shwrs C D D D L C S S Tstms S S S S $$ TNZ099-220900- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 307 PM EST Fri Nov 21 2025 Date 11/21/25 Sat 11/22/25 Sun 11/23/25 Mon EST 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 63 75 49 68 42 Temp 72 66 64 64 64 63 68 73 73 63 57 54 51 49 57 65 68 58 50 46 44 43 Dewpt 61 63 63 63 63 62 64 59 56 56 55 53 50 48 48 43 42 43 44 43 42 42 RH 68 90 97 97 97 97 87 62 55 78 93 96 96 96 72 45 39 57 80 89 93 96 Wind Dir SW S S S S SW W NW NW N N N N N N N N N N N NE NE Wind Spd 9 5 5 3 3 3 5 8 8 5 3 2 3 3 5 5 5 3 2 2 2 2 Clouds B1 B1 B2 B1 B2 B1 SC SC FW SC SC SC SC SC FW CL CL FW FW FW SC SC PoP 12hr 60 40 0 0 0 QPF 12hr 0.30 0.01 0 0 0 Rain shwrs S S C C L C Tstms C Date 11/24 Tue 11/25/25 Wed 11/26/25 Thu 11/27/25 Fri 11/28/25 EST 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 69 55 67 54 63 36 54 33 54 Temp 66 62 57 56 65 64 60 56 62 51 41 36 51 45 35 33 50 45 Dewpt 46 47 44 50 58 61 60 56 50 43 37 32 28 29 29 28 30 31 PWind Dir SE SE S SW NW N N N N Wind Char LT GN GN LT LT LT LT LT LT Avg Clouds SC B1 B2 OV OV OV OV B2 B2 B1 SC FW FW FW FW SC SC SC PoP 12hr 0 30 80 80 30 10 5 5 10 Rain shwrs C D D D C C S Tstms C S S S $$ NCZ060-220900- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 307 PM EST Fri Nov 21 2025 Date 11/21/25 Sat 11/22/25 Sun 11/23/25 Mon EST 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 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 70 45 65 37 Temp 68 63 59 59 60 60 62 68 67 59 53 51 47 45 53 63 64 55 45 42 40 38 Dewpt 58 58 57 58 59 58 61 58 55 53 52 49 47 45 48 43 42 42 41 40 38 37 RH 70 84 93 96 96 93 97 70 65 80 96 93100100 83 48 45 61 86 93 92 96 Max/Min RH 100 63 100 41 96 Wind Dir SW S S SW SW SW W NW NW NW NW NW NW NW N NW NW N N N E E Wind Dir Deg 21 18 19 20 23 23 28 29 30 31 31 31 31 32 33 32 32 33 0 0 9 10 Wind Spd 5 2 2 1 2 2 5 6 6 3 2 1 1 1 2 3 4 1 0 0 1 1 Clouds B2 B2 B2 B2 B2 OV B1 SC SC SC SC SC B1 B1 FW CL CL CL FW FW SC SC Clouds (%) 75 80 79 85 82 91 69 50 35 27 35 45 58 53 24 5 4 5 10 15 28 50 Vsby 10 10 6 2 4 7 7 10 10 10 10 10 PoP 12hr 50 50 5 0 0 QPF 12hr 0.25 0.10 0 0 0 Rain shwrs C S C C C C C Tstms C ChanceThunder 30 30 0 0 0 Max Mix Hgt AGL Mix Hgt 3000 3100 Max Vent Rt 44900 23300 T Wind Dir NW N T Wind Spd 12 6 ADI 45 24 Max LVORI 9 9 Stability B D D C B F F B B G F Ceiling NONE NONE 11700 NONE 23500 6300 2400 4700 NONE NONE NONE Sta Pres 27.89 27.86 27.85 27.86 27.91 27.94 27.99 28.00 28.02 28.03 28.04 Date 11/24 Tue 11/25/25 Wed 11/26/25 Thu 11/27/25 Fri 11/28/25 EST 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 66 49 63 51 61 31 53 27 52 Temp 65 54 50 50 61 59 56 53 60 49 39 31 51 39 31 27 51 39 Dewpt 42 42 40 46 54 55 56 53 51 43 35 29 25 27 25 23 25 28 PWind Dir SE SE SE S NW NW NW N NW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds SC B1 B2 OV OV OV OV OV B2 B2 SC SC FW FW FW SC SC SC PoP 12hr 0 20 70 90 40 20 5 5 10 Rain shwrs S C L D L C C S 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 $$