Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
581 FOUS54 KMRX 201117 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 616 AM EST Thu Nov 20 2025 TNZ017-202100- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 616 AM EST Thu Nov 20 2025 Date Thu 11/20/25 Fri 11/21/25 Sat 11/22/25 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 66 55 69 57 65 Temp 50 56 64 66 59 56 55 55 56 61 67 68 64 60 60 59 59 61 63 63 55 Dewpt 50 55 55 54 53 55 54 55 56 60 62 60 58 58 59 59 58 60 57 54 51 RH 100 96 73 65 80 96 96100100 97 84 76 81 93 96100 96 97 81 72 86 Wind Dir SW SW W W S SE SE E S SW SW SW SW SW SW SW W W W NW N Wind Spd 1 3 5 3 1 1 2 2 2 4 6 5 4 5 5 6 6 9 10 8 3 Wind Gust 16 17 Clouds OV OV B1 B1 B2 OV OV OV OV OV B2 B2 B2 OV OV OV OV B2 B1 SC SC PoP 12hr 10 80 60 80 50 QPF 12hr 0 0.11 0.09 0.18 0.10 Rain shwrs C L L L L L L L L D D C C S S S Tstms S S S Obvis F PF F+ Dense Fog Y Date Sun 11/23/25 Mon 11/24/25 Tue 11/25/25 Wed 11/26/25 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 42 62 38 63 47 63 51 62 Temp 48 42 60 53 43 39 60 55 49 49 60 58 53 51 59 56 Dewpt 46 42 45 43 41 38 46 45 44 45 53 52 52 51 52 48 PWind Dir N W SE E SE S SW W Wind Char LT LT LT LT LT LT LT LT Avg Clouds SC SC SC FW FW SC B1 B1 B2 OV OV B2 B2 B2 B2 B1 PoP 12hr 20 5 10 10 30 50 60 20 Rain shwrs S S C C C L C S S $$ TNZ071-202100- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 616 AM EST Thu Nov 20 2025 Date Thu 11/20/25 Fri 11/21/25 Sat 11/22/25 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 71 60 73 61 70 Temp 53 60 69 70 63 61 61 60 61 66 73 71 65 64 64 63 61 64 68 68 60 Dewpt 53 57 59 58 59 60 60 60 60 62 62 60 60 61 62 62 61 64 61 58 55 RH 100 90 70 66 87 97 97100 97 87 68 68 84 90 93 97100100 78 70 84 Wind Dir S W W W E E S SW SW SW SW SW SW SW SW SW SW W W NW NW Wind Spd 1 1 3 2 2 2 4 4 4 5 10 10 8 9 9 9 9 10 10 9 5 Clouds B2 B2 B2 B2 OV OV OV OV OV B2 B2 B2 B2 B2 OV OV OV B1 SC SC SC PoP 12hr 40 90 50 90 50 QPF 12hr 0 0.51 0.06 0.21 0.05 Rain shwrs S L D L C C C C C D D D D C C S S Tstms S S S S S S S Obvis F PF Dense Fog Y Date Sun 11/23/25 Mon 11/24/25 Tue 11/25/25 Wed 11/26/25 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 47 65 43 65 52 66 54 64 Temp 52 47 63 57 47 44 63 59 53 53 64 61 56 54 62 58 Dewpt 51 47 50 48 45 43 49 50 50 50 57 57 55 54 55 50 PWind Dir N N E NE SE S SW W Wind Char LT LT LT LT LT GN LT LT Avg Clouds SC B1 SC FW SC SC B1 B2 B2 OV OV B2 B2 B2 B2 B1 PoP 12hr 10 5 10 20 40 60 50 20 Rain shwrs S S C C L C C S S $$ TNZ036-202100- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 616 AM EST Thu Nov 20 2025 Date Thu 11/20/25 Fri 11/21/25 Sat 11/22/25 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 68 58 71 60 70 Temp 52 58 66 68 59 58 58 59 60 65 70 69 63 62 62 62 61 64 68 68 58 Dewpt 51 57 59 59 59 58 58 59 60 63 63 62 61 62 62 62 61 64 61 57 55 RH 96 96 78 73100100100100100 93 78 78 93100100100100100 78 68 90 Wind Dir NW SW SW SW NE NE S SW SW SW SW SW SW SW SW SW SW W W NW N Wind Spd 1 1 2 1 1 2 2 2 2 4 6 6 5 5 5 5 5 5 6 5 3 Wind Gust 16 17 16 16 Clouds OV OV B2 B2 OV OV OV OV OV B2 B2 B2 B2 B2 OV OV B2 B1 SC SC SC PoP 12hr 50 90 50 90 40 QPF 12hr 0.07 0.63 0.09 0.22 0.05 Rain shwrs C L D L C C C C C D D D D C C S S Tstms S S S S S S S Obvis F PF Dense Fog Y Date Sun 11/23/25 Mon 11/24/25 Tue 11/25/25 Wed 11/26/25 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 45 65 42 64 51 64 52 64 Temp 51 45 63 56 46 43 62 58 53 53 62 60 55 52 61 56 Dewpt 50 45 49 48 45 43 49 50 49 50 58 58 54 52 55 49 PWind Dir N E NE E S S SW W Wind Char LT LT LT LT LT LT LT LT Avg Clouds SC SC SC FW SC SC B1 B2 B2 OV OV B2 B2 B2 B2 SC PoP 12hr 10 5 10 20 40 70 50 20 Rain shwrs S S C C L L C C S S $$ TNZ099-202100- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 616 AM EST Thu Nov 20 2025 Date Thu 11/20/25 Fri 11/21/25 Sat 11/22/25 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 73 61 75 63 75 Temp 55 62 71 73 67 66 65 62 61 67 73 74 68 64 65 65 64 68 73 73 63 Dewpt 55 61 62 63 64 64 63 61 61 63 59 59 62 64 65 65 64 65 61 58 57 RH 100 97 73 71 90 93 93 97100 87 62 59 81100100100100 90 66 59 81 Wind Dir N NE S SE S S S S S S SW SW S SW SW SW SW W W NW NW Wind Spd 0 1 2 3 2 2 2 2 2 5 8 9 5 5 4 4 4 5 8 8 4 Clouds OV OV B2 B2 B2 OV OV OV B2 B1 B2 B1 B2 B2 B2 B2 B2 B1 SC FW FW PoP 12hr 60 60 40 80 30 QPF 12hr 0.04 0.05 0.07 0.18 0.02 Rain shwrs S S C L C S S S C C D D D D C C Tstms S S S S C S S S Obvis F Dense Fog Y Date Sun 11/23/25 Mon 11/24/25 Tue 11/25/25 Wed 11/26/25 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 50 70 47 69 55 69 55 67 Temp 54 50 67 61 49 47 66 63 56 56 66 63 58 55 64 59 Dewpt 54 49 50 50 48 45 50 51 52 54 59 60 57 55 55 52 PWind Dir N N NE SE SE S SW W Wind Char LT LT LT LT LT GN LT LT Avg Clouds FW SC SC FW SC SC B1 B2 B2 OV B2 B2 B1 B1 B1 B1 PoP 12hr 5 5 10 10 40 70 50 20 Rain shwrs C C L L C C S S $$ NCZ060-202100- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 616 AM EST Thu Nov 20 2025 Date Thu 11/20/25 Fri 11/21/25 Sat 11/22/25 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 71 56 73 58 70 Temp 49 57 70 70 64 60 59 58 56 64 72 69 62 60 60 60 59 63 68 68 58 Dewpt 49 56 57 58 58 59 58 57 56 60 57 54 57 59 60 60 59 63 59 56 55 RH 100 96 63 66 81 96 96 96100 87 59 59 84 96100100100100 73 65 90 Min/Max RH 61 100 55 100 65 Wind Dir N S W W S SE N N SE S SW SW S S SW SW W W W NW NW Wind Dir Deg 0 17 26 27 18 15 0 0 15 18 21 21 19 19 21 23 25 27 28 29 31 Wind Spd 0 1 2 2 1 1 0 0 1 2 5 5 2 2 2 2 3 5 6 6 2 Wind Gust 12 Clouds OV B2 B1 B2 OV OV OV OV OV B2 B2 B2 B2 OV OV OV OV B2 SC SC SC Clouds (%) 88 84 66 72 91 95 97 99 89 74 71 77 77 89 92 96 95 78 45 31 26 Vsby 0 9 10 10 6 6 7 7 7 9 10 9 6 PoP 12hr 40 70 30 80 40 QPF 12hr 0 0.05 0.03 0.18 0.03 Rain shwrs L L C S C C D D D D C C S S Tstms S S S S S S S Obvis F Dense Fog Y ChanceThunder 10 20 10 20 20 Max Mix Hgt AGL Mix Hgt 2500 3000 3400 Max Vent Rt 17600 32600 42900 T Wind Dir SW SW W T Wind Spd 4 9 11 ADI 18 33 44 Max LVORI 10 9 9 Stability D B B D D C B D D C B Ceiling NONE NONE NONE NONE NONE NONE NONE NONE NONE 4700 NONE Sta Pres 28.03 27.97 27.97 27.95 27.95 27.90 27.90 27.88 27.86 27.88 27.93 Date Sun 11/23/25 Mon 11/24/25 Tue 11/25/25 Wed 11/26/25 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 46 67 40 67 50 63 51 64 Temp 51 46 66 54 44 41 66 56 52 50 61 58 54 51 63 54 Dewpt 51 46 49 49 44 41 47 49 47 49 55 55 54 51 52 50 PWind Dir NW NW E SE SE SE S W Wind Char LT LT LT LT LT LT LT LT Avg Clouds SC B1 SC FW SC SC B1 B1 B2 OV OV B2 B2 B2 B2 B1 PoP 12hr 10 5 10 10 30 60 60 30 Rain shwrs S C C L L 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 $$