FOUS54 KMRX 191737 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 136 PM EDT Tue May 19 2026 TNZ017-200800- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 136 PM EDT Tue May 19 2026 Date 05/19/26 Wed 05/20/26 Thu 05/21/26 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 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 64 88 63 82 61 Temp 89 84 72 68 64 66 79 85 87 81 69 66 64 65 74 80 77 74 68 65 63 63 Dewpt 60 63 63 60 58 59 63 63 62 65 65 64 63 64 67 68 68 67 65 63 61 61 RH 38 49 73 76 81 78 58 48 43 58 87 93 97 97 79 67 74 79 90 93 93 93 Wind Dir W SW SW S SE SE W W W W NE E NE E NE NW N NE E E E E Wind Spd 3 1 1 0 0 0 2 5 5 4 1 0 0 1 1 3 4 3 3 4 3 4 Clouds B2 B2 B1 B1 B1 FW FW SC SC B1 OV B2 B1 B2 B2 B1 B2 B2 B2 B2 B2 B1 PoP 12hr 0 30 60 100 70 QPF 12hr 0 0 0.17 0.31 0.07 Rain shwrs L C S S L L D D L L C C C Tstms C S C C S S Date 05/22 Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 Tue 05/26/26 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 82 62 81 61 82 62 82 62 83 Temp 78 75 65 63 76 76 64 63 79 78 65 63 78 78 65 63 80 79 Dewpt 67 64 62 63 68 66 62 62 68 67 64 63 69 67 63 63 68 67 PWind Dir SE SE SW S SW SW SW S SW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B1 B1 B1 B2 B2 B2 B1 B1 B1 B1 B1 B2 B2 B2 B2 B1 B2 B1 PoP 12hr 80 70 90 50 80 40 80 30 80 Rain shwrs C D L L L D C C C D C S L D C C L D Tstms S C C S C S S C S S C S C $$ TNZ071-200800- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 136 PM EDT Tue May 19 2026 Date 05/19/26 Wed 05/20/26 Thu 05/21/26 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 68 89 66 84 66 Temp 89 84 76 72 69 70 82 87 87 79 73 70 68 68 77 82 81 76 71 69 68 68 Dewpt 60 61 63 61 60 61 64 65 65 68 68 65 65 65 68 70 70 71 68 66 65 65 RH 38 46 64 68 73 73 55 48 48 69 84 84 90 90 74 67 69 85 90 90 90 90 Wind Dir SW SW S SW W N SW SW SW W N NE N N NW W W E NE E N N Wind Spd 6 4 3 2 1 0 4 5 8 4 2 1 0 0 1 3 4 3 2 1 0 0 Clouds B1 SC SC SC SC SC SC SC B2 B2 B1 OV B2 B2 B1 B1 B1 B2 B1 B1 B2 B1 PoP 12hr 0 40 20 90 50 QPF 12hr 0 0.03 0.01 0.18 0.02 Rain shwrs S C S S C C D D C C S S L Tstms S C S S C C S S Heat index 86 85 Max heat 90 82 89 90 86 86 Date 05/22 Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 Tue 05/26/26 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 85 66 83 65 84 66 85 66 86 Temp 82 80 70 68 79 79 68 67 82 80 69 67 82 80 70 68 83 81 Dewpt 70 68 65 65 70 68 64 64 70 69 65 65 70 69 65 65 70 69 PWind Dir SW S SW S SW SW SW S SW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B1 B1 B2 B2 B2 B2 B1 B1 B2 B1 B2 B2 B2 B2 B2 B2 B2 B1 PoP 12hr 80 80 90 60 80 40 80 40 70 Rain shwrs L D D L D D C L C D C C L D C C C L Tstms S C C S C C S C S S C S C $$ TNZ036-200800- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 136 PM EDT Tue May 19 2026 Date 05/19/26 Wed 05/20/26 Thu 05/21/26 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 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 66 88 64 84 64 Temp 88 83 75 70 67 68 80 86 84 77 71 68 66 66 75 82 80 74 70 67 66 66 Dewpt 62 63 63 62 61 62 66 67 67 69 67 66 65 65 69 70 71 71 68 65 65 66 RH 42 51 66 76 81 81 62 53 57 76 87 93 97 97 82 67 74 90 93 93 97100 Wind Dir SW SW SW SW SW N SW SW W W N N NE NE E W NW E NE NE NE S Wind Spd 4 2 2 1 1 0 2 4 6 2 2 1 1 1 1 2 3 2 2 2 1 1 Clouds B1 B1 SC SC SC SC SC B1 B2 B2 SC OV OV OV B1 B1 B2 B1 B2 B2 B2 B2 PoP 12hr 0 50 30 90 70 QPF 12hr 0 0.04 0.02 0.20 0.04 Rain shwrs S C S C S S C C D D L L C C L Tstms S C S S C C S S Heat index 89 87 86 83 Max heat 89 89 90 86 86 Date 05/22 Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 Tue 05/26/26 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 83 64 81 63 83 64 84 64 85 Temp 81 78 68 66 78 77 67 65 81 78 68 66 81 79 68 66 83 80 Dewpt 72 69 65 65 70 69 65 65 71 70 65 65 71 70 65 65 71 70 PWind Dir S SW SW SW SW NW SW SW SW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B2 B2 B2 B2 B2 B2 B1 B1 B2 B1 B1 B2 B2 B2 B2 B2 B2 B1 PoP 12hr 80 80 80 50 70 40 70 40 70 Rain shwrs L D D D D D C C C L C C L L C C C L Tstms S C C S C C S C S S C S S C $$ TNZ099-200800- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 136 PM EDT Tue May 19 2026 Date 05/19/26 Wed 05/20/26 Thu 05/21/26 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 68 89 66 86 66 Temp 88 85 75 71 68 70 81 87 85 79 72 69 68 68 77 83 83 78 71 69 68 68 Dewpt 63 63 65 63 62 62 66 67 68 69 69 66 65 65 68 70 71 71 69 67 65 65 RH 43 48 71 76 81 76 60 52 57 72 90 90 90 90 74 65 67 79 93 93 90 90 Wind Dir S S N N N N S SW W SW N N N N N SW SW E N N S S Wind Spd 5 3 0 0 0 0 1 4 4 2 1 0 0 0 0 2 3 2 0 0 1 5 Clouds SCSC SC FW SC B1 B1 B2 B2 B2 B2 B1 B1 B2 B1 B1 B1 B1 B1 B1 B2 B2 PoP 12hr 0 60 40 80 70 QPF 12hr 0 0.12 0.01 0.10 0.07 Rain shwrs C C C S C C D D L L L L C Tstms C C S S C C S S Heat index 90 88 87 88 Max heat 89 82 90 92 87 89 Date 05/22 Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 Tue 05/26/26 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 86 67 83 66 85 67 86 67 86 Temp 83 80 69 68 79 79 68 68 83 80 69 68 83 81 70 68 84 81 Dewpt 70 68 66 65 70 69 66 65 71 70 66 66 71 70 66 65 71 69 PWind Dir S S S S S SW S S S Wind Char GN LT LT LT LT LT LT LT LT Avg Clouds B2 B1 B2 B2 B2 B1 B2 B2 B2 B1 B2 B1 B2 B1 B2 B2 B2 B1 PoP 12hr 70 80 80 40 70 40 60 40 60 Rain shwrs C L D D D D C C C L C C C L C C C L Tstms S C C S S C S S C S S C S S C $$ NCZ060-200800- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 136 PM EDT Tue May 19 2026 Date 05/19/26 Wed 05/20/26 Thu 05/21/26 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 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 88 62 85 62 Temp 88 80 69 65 63 65 79 85 84 77 68 64 63 64 76 80 79 74 68 65 64 64 Dewpt 58 60 60 59 57 59 64 63 63 66 65 63 61 62 66 67 67 67 65 63 61 62 RH 36 51 73 81 81 81 60 48 49 69 90 97 93 93 71 65 67 79 90 93 90 93 Max/Min RH 81 45 97 63 93 Wind Dir SW S N N N N N SW W W N N N N N SW SW SE N E SE SE Wind Dir Deg 20 18 0 0 0 0 0 21 25 26 0 0 0 0 0 21 23 12 0 11 12 13 Wind Spd 3 1 0 0 0 0 0 2 3 1 0 0 0 0 0 2 1 1 0 2 4 5 Wind Gust 16 Clouds SC SC SC SC B1 SC SC SC B2 B1 B2 B2 B1 B2 B1 B1 B1 B1 B1 B1 B1 B1 Clouds (%) 38 40 27 40 59 46 45 48 71 69 87 73 69 74 64 51 57 68 58 52 60 68 Vsby 10 10 10 10 10 10 10 10 10 10 10 7 PoP 12hr 0 50 30 90 50 QPF 12hr 0 0.04 0.01 0.22 0.03 Rain shwrs C C S C C D D C C C C C Tstms C S C L C S S ChanceThunder 0 40 20 60 20 Max Mix Hgt AGL Mix Hgt 5800 3000 Max Vent Rt 46600 20800 T Wind Dir SW SW T Wind Spd 6 5 ADI 41 18 Max LVORI 6 8 Stability A G G A B F F B B F E Ceiling NONE NONE NONE 23500 NONE NONE NONE NONE NONE NONE NONE Sta Pres 28.03 28.05 28.05 27.99 27.97 27.96 27.97 27.97 27.95 27.94 27.96 Date 05/22 Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 Tue 05/26/26 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 83 62 82 62 84 63 84 63 85 Temp 79 77 65 64 77 76 64 64 80 77 65 64 80 77 65 64 80 78 Dewpt 68 64 63 63 68 65 63 63 69 67 64 63 69 66 63 63 68 66 PWind Dir SE SE S S SW N S N S Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B1 B1 B2 B2 B2 B2 B2 B2 B2 B1 B2 B1 B2 B2 B2 B2 B2 B1 PoP 12hr 70 80 90 50 70 50 80 40 70 Rain shwrs C L D L L D C C L L C S C D C C C L Tstms S C C S C S S C S S C S 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 $$