FOUS54 KMRX 190626 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 226 AM EDT Tue May 19 2026 TNZ017-192000- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 226 AM EDT Tue May 19 2026 Date Tue 05/19/26 Wed 05/20/26 Thu 05/21/26 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 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 89 63 87 63 83 Temp 63 64 79 85 88 84 72 67 64 65 78 85 86 79 69 65 63 65 74 80 79 75 Dewpt 57 59 63 63 61 64 60 58 57 59 63 63 63 65 65 64 62 63 67 68 68 66 RH 81 84 58 48 40 51 66 73 78 81 60 48 46 62 87 97 97 93 79 67 69 74 Wind Dir E SE W W W SW S S N N W W W W W NE NE NE NE NW NE NE Wind Spd 1 0 1 4 4 2 1 0 0 0 3 6 6 3 0 0 0 1 2 3 3 3 Clouds B1 SC SC SC SC B1 B1 B1 SC SC FW B1 B1 B2 B1 B2 B1 B1 B1 B1 B1 B2 PoP 12hr 0 5 50 50 100 QPF 12hr 0 0 0.05 0.02 0.31 Rain shwrs C C C S S C C D D L Tstms C C S C C C Date Fri 05/22/26 Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 61 82 62 81 61 82 62 82 Temp 65 63 78 75 65 63 76 76 64 63 79 78 65 63 78 78 Dewpt 62 61 67 64 62 63 68 66 62 62 68 67 64 63 69 67 PWind Dir E SE SE SW S SW SW SW Wind Char LT LT LT LT LT LT LT LT Avg Clouds B2 B2 B1 B1 B1 B2 B2 B2 B1 B1 B1 B1 B1 B2 B2 B2 PoP 12hr 60 80 70 90 50 80 40 80 Rain shwrs L C C D L L L D C C C D C S L D Tstms C S C C S C S S C S S C $$ TNZ071-192000- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 226 AM EDT Tue May 19 2026 Date Tue 05/19/26 Wed 05/20/26 Thu 05/21/26 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 91 68 89 66 86 Temp 69 69 82 88 90 85 76 72 68 70 82 87 86 80 73 70 68 67 78 83 83 77 Dewpt 59 60 63 63 61 62 62 59 59 60 64 65 66 68 67 65 65 65 68 70 70 69 RH 70 73 53 43 38 46 62 64 73 71 55 48 51 67 81 84 90 93 71 65 65 76 Wind Dir SW SW SW SW SW SW S SW W N SW W W W E N E NE NE W SW E Wind Spd 3 2 4 6 8 5 3 2 1 0 4 6 8 3 1 0 1 1 2 3 3 3 Clouds SC SC FW SC SC SC B1 SC SC SC SC B1 OV B2 B1 B1 B1 B1 B1 SC B1 B2 PoP 12hr 0 5 50 30 90 QPF 12hr 0 0 0.13 0.01 0.16 Rain shwrs C C C C C D D L Tstms C S S C C C Heat index 83 87 87 Max heat 89 91 81 89 90 87 88 Date Fri 05/22/26 Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 66 85 66 83 65 84 66 85 Temp 69 68 82 80 70 68 79 79 68 67 82 80 69 67 82 80 Dewpt 66 65 70 68 65 65 70 68 64 64 70 69 65 65 70 69 PWind Dir E SW S SW S SW SW SW Wind Char LT LT LT LT LT LT LT LT Avg Clouds B2 B2 B1 B1 B2 B2 B2 B2 B1 B1 B2 B1 B2 B2 B2 B2 PoP 12hr 60 80 80 90 60 80 40 80 Rain shwrs L C L D D L D D C L C D C C L D Tstms C S C C S C C S C S S C $$ TNZ036-192000- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 226 AM EDT Tue May 19 2026 Date Tue 05/19/26 Wed 05/20/26 Thu 05/21/26 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 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 89 65 87 64 84 Temp 68 68 79 87 89 83 74 70 67 67 79 85 84 77 71 68 66 65 75 82 81 75 Dewpt 60 61 64 64 62 64 61 61 60 61 66 68 68 70 67 65 65 65 69 71 71 70 RH 76 78 60 46 41 53 64 73 78 81 64 57 59 79 87 90 97100 82 69 72 84 Wind Dir W SW SW SW SW SW SW SW SW SW SW SW W W NE N NE NE E W W NE Wind Spd 2 2 4 5 6 3 2 1 1 1 3 4 5 2 1 1 1 2 2 2 3 2 Clouds B1 SC SC SC B1 B1 SC B1 SC SC SC SC B2 B1 B1 B1 B2 B1 B1 SC B1 B2 PoP 12hr 0 5 70 40 90 QPF 12hr 0 0 0.11 0.01 0.12 Rain shwrs L C C S S C C D D L Tstms C S S C C C Heat index 88 87 86 85 Max heat 88 89 88 89 86 86 Date Fri 05/22/26 Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 64 83 64 81 63 83 64 84 Temp 68 66 81 78 68 66 78 77 67 65 81 78 68 66 81 79 Dewpt 66 66 72 69 65 65 70 69 65 65 71 70 65 65 71 70 PWind Dir NE S SW SW SW SW NW SW Wind Char LT LT LT LT LT LT LT LT Avg Clouds B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B2 B1 B1 B2 B2 B2 PoP 12hr 60 80 80 80 50 70 40 70 Rain shwrs L C L D D D D D C C C L C C L L Tstms C S S C C S C C S C S S C $$ TNZ099-192000- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 226 AM EDT Tue May 19 2026 Date Tue 05/19/26 Wed 05/20/26 Thu 05/21/26 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 90 68 89 66 87 Temp 69 70 79 87 89 85 75 71 68 70 81 86 85 80 72 68 67 68 77 84 84 79 Dewpt 61 60 64 65 64 65 64 62 61 62 66 68 69 70 68 66 65 65 68 70 70 70 RH 76 71 60 48 44 51 69 73 78 76 60 55 59 72 87 93 93 90 74 63 63 74 Wind Dir SE S S S S S S N N N SW S SW NW N N N N E S W S Wind Spd 3 3 3 5 5 3 1 0 0 0 2 4 4 2 0 0 0 0 1 2 3 2 Clouds SC SC SC B1 B1 SC SC SC B1 B1 SC B1 B2 B1 B1 B1 B1 B1 B1 B1 B1 B2 PoP 12hr 5 5 70 30 80 QPF 12hr 0 0 0.11 0.01 0.10 Rain shwrs C C C C C S S C C D D C Tstms S C C S S C C C Heat index 89 89 83 88 88 Max heat 89 92 82 89 92 88 90 Date Fri 05/22/26 Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 66 86 67 83 66 85 67 86 Temp 69 68 83 80 69 68 79 79 68 68 83 80 69 68 83 81 Dewpt 66 65 70 68 66 65 70 69 66 65 71 70 66 66 71 70 PWind Dir SE S S S S S SW S Wind Char LT GN LT LT LT LT LT LT Avg Clouds B1 B1 B2 B1 B2 B2 B2 B1 B2 B2 B2 B1 B2 B1 B2 B1 PoP 12hr 70 70 80 80 40 70 40 60 Rain shwrs C L C L D D D D C C C L C C C L Tstms C C S C C S S C S S C S S C $$ NCZ060-192000- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 226 AM EDT Tue May 19 2026 Date Tue 05/19/26 Wed 05/20/26 Thu 05/21/26 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 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 89 62 88 62 85 Temp 62 63 78 87 87 79 69 64 63 64 79 85 84 77 68 64 62 64 77 81 80 75 Dewpt 57 59 63 60 58 61 59 58 57 59 64 63 63 65 65 63 61 62 67 68 68 66 RH 84 87 60 40 38 54 70 81 81 84 60 48 49 67 90 97 97 93 71 65 67 74 Min/Max RH 35 84 45 97 65 Wind Dir SE SE S S S S E N N N N W SW NW N N N N N SW S N Wind Dir Deg 12 12 18 19 19 17 11 0 0 0 0 24 20 30 0 0 0 0 0 21 18 0 Wind Spd 2 1 1 3 4 2 1 0 0 0 0 2 3 1 0 0 0 0 0 2 1 1 Clouds SC SC FW SC SC B1 SC SC B1 B1 SC SC B1 B2 B1 SC B1 SC SC B1 B1 B1 Clouds (%) 37 48 16 33 45 66 32 44 60 52 34 39 68 73 51 50 69 50 46 58 63 63 Vsby 10 10 10 10 10 10 10 10 10 10 10 10 PoP 12hr 0 0 40 20 90 QPF 12hr 0 0 0.25 0.01 0.14 Rain shwrs S C S S L L D D L Tstms S C S S C C C Heat index 84 83 Max heat 87 88 86 88 84 84 ChanceThunder 0 0 40 20 50 Max Mix Hgt AGL Mix Hgt 6000 6400 4500 Max Vent Rt 45500 51300 32900 T Wind Dir S SW S T Wind Spd 8 6 6 ADI 46 51 32 Max LVORI 6 6 7 Stability G A B G F A B F G B B Ceiling NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE Sta Pres 28.13 28.09 28.04 28.04 28.06 27.98 27.98 27.96 27.97 27.95 27.94 Date Fri 05/22/26 Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 62 83 62 82 62 84 63 84 Temp 65 64 79 77 65 64 77 76 64 64 80 77 65 64 80 77 Dewpt 63 62 68 64 63 63 68 65 63 63 69 67 64 63 69 66 PWind Dir E SE SE S S SW N S Wind Char LT LT LT LT LT LT LT LT Avg Clouds B1 B2 B1 B1 B2 B2 B2 B2 B2 B2 B2 B1 B2 B1 B2 B2 PoP 12hr 60 70 80 90 50 70 50 80 Rain shwrs L L C L D L L D C C L L C S C D Tstms C S S C C 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 $$