Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
416 FOUS54 KMRX 181732 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 1232 PM EST Tue Nov 18 2025 TNZ017-190900- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 1232 PM EST Tue Nov 18 2025 Date 11/18/25 Wed 11/19/25 Thu 11/20/25 Fri 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 49 63 51 66 53 Temp 64 55 52 51 51 51 56 61 63 58 54 53 53 52 57 63 66 60 55 54 53 54 Dewpt 36 36 39 46 49 51 55 58 58 56 54 53 53 52 56 56 54 53 53 53 53 54 RH 35 49 61 83 93100 96 90 84 93100100100100 96 78 65 78 93 96100100 Wind Dir W S SW W SW SW W W W NE S SE S S SW W W S S S S SW Wind Spd 4 4 2 2 2 2 3 4 3 2 1 1 1 1 2 5 4 2 2 2 2 2 Clouds B1 B1 B2 OV OV OV OV B2 B2 B1 B2 B2 OV OV B2 B1 B1 B2 OV OV OV OV PoP 12hr 80 10 10 5 50 QPF 12hr 0.24 0 0 0 0.05 Rain shwrs D L C C C C C C Tstms S S S Obvis PF Date 11/21 Sat 11/22/25 Sun 11/23/25 Mon 11/24/25 Tue 11/25/25 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 56 66 48 62 41 62 44 62 Temp 65 61 58 56 64 59 52 48 59 54 46 42 60 55 47 44 59 55 Dewpt 60 57 57 56 59 54 51 48 50 47 44 42 47 45 44 43 48 46 PWind Dir SW SW W W W SE SW S SE Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds OV B2 OV OV B2 B1 B1 B1 B1 SC SC SC SC SC B1 B2 B2 B1 PoP 12hr 50 70 60 30 10 10 10 10 20 Rain shwrs C C L L L C C S S Tstms S S $$ TNZ071-190900- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 1232 PM EST Tue Nov 18 2025 Date 11/18/25 Wed 11/19/25 Thu 11/20/25 Fri EST 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 56 71 53 71 57 Temp 70 64 61 60 58 57 62 69 71 65 59 57 55 53 60 68 70 64 60 59 58 58 Dewpt 40 42 43 50 55 57 61 63 62 60 58 57 55 53 58 59 58 57 57 57 57 57 RH 33 45 51 69 90100 97 81 73 84 96100100100 93 73 66 78 90 93 96 96 Wind Dir SW SW SW SW SW SW SW W W W S SW W SW W W W SW S S S SW Wind Spd 10 10 11 10 8 5 5 6 5 3 2 1 1 1 1 3 3 2 2 2 3 3 Wind Gust 21 Clouds B1 SC B2 OV B2 B1 B2 B2 SC B1 B1 B2 B2 B2 B2 B1 B1 B2 OV OV OV OV PoP 12hr 80 10 5 10 40 QPF 12hr 0.16 0 0 0 0.05 Rain shwrs C L C C C C C C Tstms S S S S Obvis PF PF Date 11/21 Sat 11/22/25 Sun 11/23/25 Mon 11/24/25 Tue 11/25/25 EST 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 72 60 71 51 65 45 65 49 65 Temp 70 66 62 61 69 64 55 51 63 58 49 45 63 59 52 49 63 59 Dewpt 61 59 60 61 63 57 54 51 52 49 48 45 50 50 48 47 51 51 PWind Dir SW SW W W NW NE NW SE SE Wind Char LT LT GN LT LT LT LT LT LT Avg Clouds B2 B2 OV OV B2 SC SC B1 SC SC SC B1 B1 B1 B1 B2 B2 B2 PoP 12hr 40 80 60 20 10 20 10 20 30 Rain shwrs C C D D L C S S S S C Tstms S S $$ TNZ036-190900- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 1232 PM EST Tue Nov 18 2025 Date 11/18/25 Wed 11/19/25 Thu 11/20/25 Fri 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 54 70 52 69 56 Temp 67 61 58 57 56 55 61 68 68 61 57 55 54 52 59 66 69 62 58 58 57 57 Dewpt 40 42 44 50 54 55 60 63 62 60 57 55 54 52 58 59 58 58 58 58 57 57 RH 37 49 59 77 93100 97 84 81 97100100100100 96 78 68 87100100100100 Wind Dir SW SW SW SW SW SW SW W W NW NW W W W SW SW SW W SW SW SW SW Wind Spd 9 6 6 5 3 2 3 4 3 2 1 1 1 1 1 2 2 1 1 2 2 2 Wind Gust 19 20 19 17 13 Clouds SC B1 B2 OV B2 B2 B2 B1 B1 B1 B1 B2 B2 B2 B2 B1 B1 OV OV OV OV OV PoP 12hr 90 10 10 10 60 QPF 12hr 0.22 0 0 0 0.11 Rain shwrs L L S L L L L C Tstms C S S S S Obvis PF PF Date 11/21 Sat 11/22/25 Sun 11/23/25 Mon 11/24/25 Tue 11/25/25 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 59 70 49 65 44 64 47 63 Temp 70 63 61 60 70 59 53 49 63 56 48 44 62 57 50 47 61 57 Dewpt 62 60 61 60 62 57 53 49 52 49 46 44 50 50 48 47 52 51 PWind Dir SW SW W NW NW N SW NW SE Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds OV B2 OV OV B2 SC SC B1 SC SC SC SC B1 B1 B1 B2 B2 B2 PoP 12hr 50 90 60 30 10 20 10 20 30 Rain shwrs C C D D L C C S S S C C $$ TNZ099-190900- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 1232 PM EST Tue Nov 18 2025 Date 11/18/25 Wed 11/19/25 Thu 11/20/25 Fri EST 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 59 76 55 76 59 Temp 71 65 61 61 60 60 66 74 75 68 61 58 57 55 62 72 75 67 62 61 60 60 Dewpt 42 46 49 54 59 60 64 65 62 63 61 58 56 55 60 60 59 60 60 60 60 59 RH 35 50 65 78 96100 93 74 64 84100100 96100 93 66 58 78 93 97100 96 Wind Dir S S S S S S SW W W NW W N N N SE SW SW S S S S S Wind Spd 11 9 8 4 3 2 4 5 5 2 1 0 0 1 1 2 3 2 2 2 2 2 Clouds B1 B1 B1 B2 B2 B2 B1 B1 B1 B1 B1 B1 B2 B2 B1 B1 B2 OV B2 OV OV OV PoP 12hr 70 10 0 10 30 QPF 12hr 0.16 0 0 0 0 Rain shwrs C C C C C S S S Tstms S S Obvis PF PF Date 11/21 Sat 11/22/25 Sun 11/23/25 Mon 11/24/25 Tue 11/25/25 EST 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 74 62 75 53 69 47 69 51 67 Temp 72 67 62 63 73 66 56 53 67 61 50 47 66 61 53 51 64 61 Dewpt 61 62 62 63 62 59 56 53 52 51 49 47 51 51 51 50 53 54 PWind Dir S S W NW N N SE S SE Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B2 B2 B2 OV B1 SC SC SC SC SC SC B1 B1 B2 B2 B2 B2 B2 PoP 12hr 40 80 50 20 10 20 10 20 40 Rain shwrs S C L D C C S S S C C Tstms S S C $$ NCZ060-190900- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 1232 PM EST Tue Nov 18 2025 Date 11/18/25 Wed 11/19/25 Thu 11/20/25 Fri 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 51 70 50 72 54 Temp 66 56 52 54 53 53 59 68 69 62 57 54 52 50 59 69 71 63 57 57 55 55 Dewpt 38 37 39 44 50 53 59 61 60 59 56 54 52 50 58 57 55 55 55 55 55 55 RH 36 49 61 69 89100100 78 73 90 96100100100 96 66 57 75 93 93100100 Max/Min RH 100 73 100 57 100 Wind Dir S SE SE SE SE SE W W W W N N N N S W W SE SE SE SE SE Wind Dir Deg 18 13 12 12 14 15 27 27 27 27 0 0 0 0 16 25 25 15 14 14 14 15 Wind Spd 6 4 2 2 1 1 2 4 4 1 0 0 0 0 1 2 2 1 1 1 1 1 Clouds SC SC SC OV OV OV OV B1 B1 B1 B2 B2 B2 B2 B1 SC B2 B2 OV OV OV OV Clouds (%) 45 47 45 91 98 95 91 68 66 62 75 75 82 86 67 48 78 87 94 93 97 94 Vsby 10 10 10 10 6 9 8 10 10 10 10 4 7 7 10 10 10 10 10 10 10 10 PoP 12hr 70 10 5 5 30 QPF 12hr 0.08 0 0 0 0 Rain shwrs C L C C S S Tstms S Obvis PF ChanceThunder 20 0 0 5 10 Max Mix Hgt AGL Mix Hgt 2600 2200 Max Vent Rt 23900 11000 T Wind Dir W SW T Wind Spd 6 3 ADI 24 11 Max LVORI 9 10 Stability B D D B B F D B B D D Ceiling NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE Sta Pres 27.97 27.97 27.98 27.99 28.02 28.01 28.01 27.97 27.95 27.93 27.91 Date 11/21 Sat 11/22/25 Sun 11/23/25 Mon 11/24/25 Tue 11/25/25 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 72 56 70 47 66 42 67 46 64 Temp 71 62 58 58 68 62 53 48 65 53 46 42 64 57 49 46 63 55 Dewpt 58 57 58 58 61 57 53 48 50 49 46 42 50 49 48 46 50 51 PWind Dir S S W NW NW NE S E SE Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B2 B2 B2 OV B2 SC SC B1 B1 SC SC B1 B1 B1 B2 B2 B2 B1 PoP 12hr 30 70 50 20 10 20 10 20 30 Rain shwrs C L L C C S S S S C Tstms S S 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 $$