Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
417 FOUS54 KMRX 201732 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 1232 PM EST Thu Nov 20 2025 TNZ017-210900- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 1232 PM EST Thu Nov 20 2025 Date 11/20/25 Fri 11/21/25 Sat 11/22/25 Sun 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 55 67 57 64 40 Temp 65 59 56 56 55 57 61 65 66 63 60 60 59 58 61 63 62 54 49 46 42 40 Dewpt 55 55 55 55 55 57 60 62 61 59 58 58 59 57 59 56 51 48 45 43 40 38 RH 70 87 96 96100100 97 90 84 87 93 93100 96 93 78 67 80 86 89 93 92 Wind Dir W SW SE SE SE SW SW SW SW SW SW SW SW W W W NW N N N N NE Wind Spd 4 1 1 1 2 2 4 6 5 3 5 6 8 8 10 10 8 4 2 2 1 1 Wind Gust 17 18 Clouds B1 OV OV OV OV OV OV OV B2 B2 B2 B2 OV OV B2 B1 B1 SC SC SC SC SC PoP 12hr 80 80 80 60 10 QPF 12hr 0.26 0.07 0.13 0.13 0 Rain shwrs S C L D D C C S L L D D L L S S Tstms S S C S Date 11/23 Mon 11/24/25 Tue 11/25/25 Wed 11/26/25 Thu 11/27/25 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 61 37 64 46 62 51 61 34 49 Temp 58 51 41 38 61 54 49 48 60 58 54 52 60 52 41 34 46 42 Dewpt 40 40 38 36 43 42 41 43 52 52 53 52 53 44 37 31 29 26 PWind Dir NW E SE SE S S W W W Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds SC FW FW SC SC SC B2 OV B2 B2 B2 B2 B2 B1 B1 B1 SC SC PoP 12hr 0 0 0 30 70 60 30 20 10 Rain shwrs C C L L C S C S S $$ TNZ071-210900- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 1232 PM EST Thu Nov 20 2025 Date 11/20/25 Fri 11/21/25 Sat 11/22/25 Sun EST 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 61 72 61 69 45 Temp 68 65 62 62 61 61 65 70 70 65 63 63 62 61 65 68 67 59 54 50 47 45 Dewpt 61 62 62 62 61 61 64 63 60 59 60 61 61 61 62 60 56 53 50 48 45 43 RH 78 90100100100100 97 78 71 81 90 93 97100 90 76 68 80 86 93 93 93 Wind Dir W W SE SW SW SW SW SW SW SW SW SW SW SW W W NW N N N N NE Wind Spd 3 2 2 3 3 3 5 9 10 9 10 10 10 9 10 10 9 5 4 3 2 2 Clouds OV OV OV OV OV OV OV B2 B1 B1 SC B1 B2 OV B1 B1 SC B1 SC SC B1 SC PoP 12hr 70 50 90 50 5 QPF 12hr 0.60 0.03 0.12 0.07 0 Rain shwrs C L L C C C S C L L D D C C S S Tstms S S S S Date 11/23 Mon 11/24/25 Tue 11/25/25 Wed 11/26/25 Thu 11/27/25 EST 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 64 41 66 50 65 54 63 36 51 Temp 61 55 46 42 63 58 53 52 63 62 56 54 62 51 42 36 48 44 Dewpt 44 45 42 41 48 48 46 48 57 57 56 54 53 44 38 33 31 30 PWind Dir NE E NE SE S SW W NW NW Wind Char LT LT LT LT GN LT LT LT LT Avg Clouds SC FW FW SC SC B1 B2 OV OV B2 B2 B2 B2 B1 B1 B1 SC SC PoP 12hr 0 0 5 40 80 60 30 20 10 Rain shwrs C L D L C C S S S $$ TNZ036-210900- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 1232 PM EST Thu Nov 20 2025 Date 11/20/25 Fri 11/21/25 Sat 11/22/25 Sun 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 60 71 60 68 43 Temp 65 63 61 61 60 61 65 69 70 65 62 62 62 61 65 68 66 56 51 48 45 43 Dewpt 62 62 61 61 60 61 64 64 62 61 61 61 61 60 62 59 55 52 49 46 44 41 RH 90 97100100100100 97 84 76 87 97 97 97 97 90 73 68 86 93 93 96 93 Wind Dir SW SW S SW SW SW SW SW SW SW SW SW SW SW W W NW N N N N N Wind Spd 2 1 2 2 2 2 4 5 6 5 5 5 5 5 5 6 6 3 3 2 2 2 Wind Gust 16 17 17 16 Clouds OV OV OV OV OV OV OV OV B1 B1 B2 OV B2 B2 B1 SC SC SC SC SC SC SC PoP 12hr 70 60 90 50 10 QPF 12hr 0.43 0.07 0.19 0.05 0 Rain shwrs S C L L C L C S C L L D D C C Tstms S S S S Date 11/23 Mon 11/24/25 Tue 11/25/25 Wed 11/26/25 Thu 11/27/25 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 41 64 50 63 53 62 35 50 Temp 61 54 44 41 61 57 52 52 61 60 56 53 61 49 40 35 48 42 Dewpt 44 44 41 40 48 48 47 48 57 57 56 53 52 42 35 31 30 29 PWind Dir NE NE SE S S SW W NW NW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds FW FW FW SC B1 B1 B2 OV OV B2 B2 B2 B2 B1 B1 SC SC SC PoP 12hr 0 0 5 50 80 60 20 20 10 Rain shwrs S C D D L C S S S S $$ TNZ099-210900- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 1232 PM EST Thu Nov 20 2025 Date 11/20/25 Fri 11/21/25 Sat 11/22/25 Sun EST 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 61 74 62 74 47 Temp 71 67 64 63 62 61 67 72 72 65 64 65 64 63 69 73 72 61 56 53 49 47 Dewpt 65 65 64 63 62 61 63 61 61 62 63 63 63 63 64 59 56 55 53 50 47 45 RH 81 93100100100100 87 68 68 90 97 93 97100 84 62 57 81 90 89 93 93 Wind Dir S S S S S S S S SW S S SW SW SW W W NW NW N N N N Wind Spd 3 2 1 2 2 2 4 8 9 5 5 4 4 4 5 9 9 5 4 3 3 3 Clouds B1 OV B2 OV OV OV B2 B1 B1 SC SC B1 B2 B2 SC SC FW FW FW SC SC SC PoP 12hr 40 50 80 30 5 QPF 12hr 0.05 0.05 0.16 0.12 0 Rain shwrs S C C S C C L L D D C C Tstms S S C S Date 11/23 Mon 11/24/25 Tue 11/25/25 Wed 11/26/25 Thu 11/27/25 EST 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 68 44 69 55 66 55 66 38 54 Temp 65 58 47 45 66 63 57 56 64 63 58 56 65 53 43 38 51 45 Dewpt 44 45 44 43 48 49 49 52 58 60 58 56 52 44 38 33 31 31 PWind Dir N NE SE S S S W N N Wind Char LT LT LT LT GN LT LT LT LT Avg Clouds FW FW FW SC B1 B1 B2 OV OV B2 B2 B2 B1 B1 SC SC SC SC PoP 12hr 0 0 5 40 80 50 20 20 10 Rain shwrs S C D D C C S S S Tstms S S $$ NCZ060-210900- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 1232 PM EST Thu Nov 20 2025 Date 11/20/25 Fri 11/21/25 Sat 11/22/25 Sun 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 57 72 57 69 44 Temp 71 62 60 59 57 57 62 70 69 62 59 60 59 59 63 68 67 57 53 49 46 44 Dewpt 60 60 59 59 57 57 61 58 56 57 58 59 59 58 61 58 54 53 51 48 45 42 RH 68 93 96100100100 97 66 63 84 96 96100 96 93 70 63 86 93 96 96 93 Max/Min RH 100 59 100 63 96 Wind Dir W S N N N SE S SW SW S S SW SW SW W W NW NW NW NW N N Wind Dir Deg 24 17 0 0 0 15 18 20 21 18 19 21 22 23 27 28 30 31 31 32 33 34 Wind Spd 2 1 0 0 0 1 2 5 5 2 2 2 2 3 5 8 8 3 2 1 1 1 Clouds B2 B2 OV OV OV OV OV B2 B2 B2 B1 B2 B2 OV B2 SC SC SC SC B1 B1 B1 Clouds (%) 80 70 98 97 96 99 93 75 73 74 68 72 85 95 72 41 30 39 47 52 58 62 Vsby 10 10 6 7 7 7 9 10 9 6 4 4 PoP 12hr 40 40 80 40 5 QPF 12hr 0.03 0 0.24 0.13 0 Rain shwrs S C C C S C L L D D C C S S Tstms S S S S S S ChanceThunder 5 10 20 20 0 Max Mix Hgt AGL Mix Hgt 2700 3900 Max Vent Rt 27100 57400 T Wind Dir SW W T Wind Spd 8 12 ADI 27 57 Max LVORI 10 9 Stability B D D C B D D C B F F Ceiling NONE NONE NONE NONE NONE NONE 11700 NONE 23500 6300 2400 Sta Pres 27.96 27.94 27.94 27.89 27.89 27.86 27.85 27.86 27.91 27.94 27.99 Date 11/23 Mon 11/24/25 Tue 11/25/25 Wed 11/26/25 Thu 11/27/25 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 39 67 48 62 50 63 34 52 Temp 63 55 44 40 66 54 50 50 60 58 55 52 62 50 40 34 51 40 Dewpt 43 44 41 40 46 44 43 47 55 55 55 52 51 45 38 31 30 29 PWind Dir N E SE SE SE S W NW NW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds SC FW FW SC B1 B1 B2 OV OV OV B2 OV B2 B1 B1 B1 SC SC PoP 12hr 0 0 5 30 80 70 30 20 10 Rain shwrs C L D L C C S S 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 $$