Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
672 FOUS54 KMRX 201656 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 1156 AM EST Thu Nov 20 2025 TNZ017-210900- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 1156 AM 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 69 57 65 42 Temp 66 59 56 55 55 56 61 67 68 64 60 60 59 59 61 63 63 55 50 48 44 42 Dewpt 54 53 55 54 55 56 60 62 60 58 58 59 59 58 60 57 54 51 48 46 43 42 RH 65 80 96 96100100 97 84 76 81 93 96100 96 97 81 72 86 93 93 96100 Wind Dir W SW SE SE SE SW SW SW SW SW SW SW SW W W W NW N N N NE NE Wind Spd 4 1 1 1 2 2 4 6 5 3 5 6 6 6 9 10 8 3 2 2 1 2 Wind Gust 17 17 Clouds B1 OV OV OV OV OV OV OV B2 B2 B2 B2 OV OV B2 B1 SC SC SC SC B1 B1 PoP 12hr 80 80 80 50 20 QPF 12hr 0.11 0.09 0.18 0.10 0 Rain shwrs S C L D D C C S L L D D C C S S S S Tstms 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 62 38 63 47 63 51 62 41 51 Temp 60 53 43 39 60 55 49 49 60 58 53 51 59 56 47 41 50 45 Dewpt 45 43 41 38 46 45 44 45 53 52 52 51 52 48 45 40 37 33 PWind Dir W SE E SE S SW W W NW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds SC FW FW SC B1 B1 B2 OV OV B2 B2 B2 B2 B1 B1 B2 B1 SC PoP 12hr 5 10 10 30 50 60 20 30 20 Rain shwrs S C C C L C S S C C S S $$ TNZ071-210900- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 1156 AM EST Thu Nov 20 2025 Date 11/20/25 Fri 11/21/25 Sat 11/22/25 Sun EST 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 60 73 61 70 47 Temp 70 63 61 61 60 61 66 73 71 65 64 64 63 61 64 68 68 60 56 52 49 47 Dewpt 58 59 60 60 60 60 62 62 60 60 61 62 62 61 64 61 58 55 53 51 48 47 RH 66 87 97 97100 97 87 68 68 84 90 93 97100100 78 70 84 90 96 96100 Wind Dir W W SE SW SW SW SW SW SW SW SW SW SW SW W W NW NW N N NE NE Wind Spd 3 2 2 3 3 3 5 9 10 9 10 10 9 9 10 10 9 5 3 2 2 2 Clouds OV OV OV OV OV OV OV B2 B1 B1 SC B1 OV OV B1 SC SC SC SC SC SC B1 PoP 12hr 80 50 90 50 10 QPF 12hr 0.51 0.06 0.21 0.05 0 Rain shwrs C L L L C C C S C L L D D C C S S Tstms S S S S Date 11/23 Mon 11/24/25 Tue 11/25/25 Wed 11/26/25 Thu 11/27/25 EST 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 65 43 65 52 66 54 64 42 52 Temp 63 57 47 44 63 59 53 53 64 61 56 54 62 58 48 42 52 47 Dewpt 50 48 45 43 49 50 50 50 57 57 55 54 55 50 45 40 40 37 PWind Dir N E NE SE S SW W NW NW Wind Char LT LT LT LT GN LT LT LT LT Avg Clouds SC FW SC SC B1 B2 B2 OV OV B2 B2 B2 B2 B1 B1 B1 SC SC PoP 12hr 5 10 20 40 60 50 20 30 20 Rain shwrs S S C C L C C S S C C S S $$ TNZ036-210900- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 1156 AM 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 58 71 60 70 45 Temp 68 59 58 58 59 60 65 70 69 63 62 62 62 61 64 68 68 58 53 51 47 45 Dewpt 59 59 58 58 59 60 63 63 62 61 62 62 62 61 64 61 57 55 53 50 47 45 RH 73100100100100100 93 78 78 93100100100100100 78 68 90100 96100100 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 5 3 2 2 2 2 Wind Gust 16 17 17 16 Clouds OV OV OV OV OV OV OV OV B1 B1 B2 OV OV B2 B1 SC SC SC SC SC SC SC PoP 12hr 90 60 90 40 10 QPF 12hr 0.63 0.09 0.22 0.05 0 Rain shwrs C D L L C L C S C L L D D C C S S Tstms S 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 65 42 64 51 64 52 64 41 52 Temp 63 56 46 43 62 58 53 53 62 60 55 52 61 56 46 41 51 46 Dewpt 49 48 45 43 49 50 49 50 58 58 54 52 55 49 43 39 39 36 PWind Dir E NE E S S SW W NW NW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds SC FW SC SC B1 B2 B2 OV OV B2 B2 B2 B2 SC B1 B1 B1 SC PoP 12hr 5 10 20 40 70 50 20 30 20 Rain shwrs S S C C L L C C S S C C S S $$ TNZ099-210900- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 1156 AM EST Thu Nov 20 2025 Date 11/20/25 Fri 11/21/25 Sat 11/22/25 Sun EST 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 61 75 63 75 50 Temp 73 67 66 65 62 61 67 73 74 68 64 65 65 64 68 73 73 63 57 54 51 50 Dewpt 63 64 64 63 61 61 63 59 59 62 64 65 65 64 65 61 58 57 56 54 51 49 RH 71 90 93 93 97100 87 62 59 81100100100100 90 66 59 81 96100100 96 Wind Dir S S S S S S S S SW S S SW SW SW W W NW NW N N N N Wind Spd 3 2 1 2 2 2 4 8 9 5 5 4 4 4 5 8 8 4 2 2 2 2 Clouds B1 OV B2 OV OV OV B2 B1 B1 SC SC B1 B2 B2 B1 SC FW FW FW FW SC SC PoP 12hr 60 50 80 30 5 QPF 12hr 0.05 0.07 0.18 0.02 0 Rain shwrs C L C S C C L L D D C C Tstms S S S S S S Date 11/23 Mon 11/24/25 Tue 11/25/25 Wed 11/26/25 Thu 11/27/25 EST 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 70 47 69 55 69 55 67 44 55 Temp 67 61 49 47 66 63 56 56 66 63 58 55 64 59 49 44 54 49 Dewpt 50 50 48 45 50 51 52 54 59 60 57 55 55 52 47 40 39 38 PWind Dir N NE SE SE S SW W N N Wind Char LT LT LT LT GN LT LT LT LT Avg Clouds SC FW SC SC B1 B2 B2 OV B2 B2 B1 B1 B1 B1 B1 B1 SC SC PoP 12hr 5 10 10 40 70 50 20 30 20 Rain shwrs C C L L C C S S C S S $$ NCZ060-210900- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 1156 AM 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 56 73 58 70 46 Temp 70 64 60 59 58 56 64 72 69 62 60 60 60 59 63 68 68 58 53 51 48 46 Dewpt 58 58 59 58 57 56 60 57 54 57 59 60 60 59 63 59 56 55 53 51 48 46 RH 66 81 96 96 96100 87 59 59 84 96100100100100 73 65 90100100100100 Max/Min RH 100 55 100 65 100 Wind Dir W S N N N SE S SW SW S S SW SW W W W NW NW NW NW N NE Wind Dir Deg 24 17 0 0 0 15 18 20 21 18 19 21 23 25 27 28 29 31 30 32 34 3 Wind Spd 2 1 0 0 0 1 2 5 5 2 2 2 2 3 5 6 6 2 1 1 1 1 Wind Gust 12 Clouds B2 B2 OV OV OV OV OV B2 B2 B2 B1 B2 OV OV B2 SC SC SC SC B1 B1 B1 Clouds (%) 80 70 98 97 96 99 93 75 73 74 68 72 96 95 78 45 31 26 36 51 57 68 Vsby 10 10 6 5 4 3 10 10 10 10 7 PoP 12hr 70 40 80 40 10 QPF 12hr 0.05 0.03 0.18 0.03 0 Rain shwrs C C L C S C L L D D C C S S Tstms S S S S S S ChanceThunder 20 10 20 20 5 Max Mix Hgt AGL Mix Hgt 3000 3400 Max Vent Rt 32600 42900 T Wind Dir SW W T Wind Spd 9 11 ADI 33 44 Max LVORI 9 9 Stability B D D C B D D C B F F Ceiling NONE NONE NONE NONE NONE NONE NONE 4700 NONE NONE NONE Sta Pres 27.97 27.95 27.95 27.90 27.90 27.88 27.86 27.88 27.93 27.95 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 67 40 67 50 63 51 64 40 54 Temp 66 54 44 41 66 56 52 50 61 58 54 51 63 54 46 40 54 45 Dewpt 49 49 44 41 47 49 47 49 55 55 54 51 52 50 46 39 39 37 PWind Dir NW E SE SE SE S W NW NW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds SC FW SC SC B1 B1 B2 OV OV B2 B2 B2 B2 B1 B1 B1 B1 SC PoP 12hr 5 10 10 30 60 60 30 30 20 Rain shwrs S C C L L C S C C C 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 $$