FOUS54 KMRX 180627 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 227 AM EDT Mon May 18 2026 TNZ017-182000- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 227 AM EDT Mon May 18 2026 Date Mon 05/18/26 Tue 05/19/26 Wed 05/20/26 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 62 88 63 86 Temp 62 65 80 87 89 84 71 66 62 64 78 85 87 84 72 66 63 65 79 84 82 77 Dewpt 58 61 66 64 62 63 59 57 56 59 63 61 61 64 61 59 57 59 63 65 65 66 RH 87 87 62 46 41 49 66 73 81 84 60 45 42 51 68 78 81 81 58 53 56 69 Wind Dir E E SW SW SW S S SE SE SE SW W W SW S S SE S W W W NW Wind Spd 1 1 1 4 6 4 3 2 1 1 2 5 5 2 1 0 0 0 4 8 5 3 Clouds CL CL FW CL FW FW FW SC SC FW SC SC SC B1 SC B1 SC SC FW SC B1 B1 PoP 12hr 10 0 5 0 70 QPF 12hr 0 0 0 0 0.09 Rain shwrs L L L Tstms C C S Date Thu 05/21/26 Fri 05/22/26 Sat 05/23/26 Sun 05/24/26 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 80 60 80 60 81 61 82 Temp 66 63 77 72 64 60 73 73 64 62 78 77 65 63 79 78 Dewpt 64 62 67 64 61 60 65 62 60 61 67 66 63 62 67 66 PWind Dir NW N E SE SE SW S SW Wind Char LT LT LT LT LT LT LT LT Avg Clouds B2 B2 B1 B2 B2 B2 B2 B1 B1 B2 B2 B1 B1 B2 B2 B1 PoP 12hr 60 90 60 80 40 80 60 80 Rain shwrs L S D D L C L D C S L D L C L D Tstms S S C S C S S C S S C $$ TNZ071-182000- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 227 AM EDT Mon May 18 2026 Date Mon 05/18/26 Tue 05/19/26 Wed 05/20/26 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 90 66 90 67 87 Temp 69 69 82 88 90 85 75 71 68 68 81 88 90 85 75 70 67 69 81 86 84 78 Dewpt 62 64 67 66 64 63 62 59 58 60 62 62 61 62 62 60 60 61 65 67 68 68 RH 78 84 61 48 42 48 64 66 70 76 53 42 38 46 64 71 78 76 58 53 59 71 Wind Dir W N SW SW SW S S SW W W SW SW SW SW SW S S S SW W W NW Wind Spd 2 1 4 9 11 5 3 3 4 2 5 8 9 5 3 2 1 1 4 6 5 2 Clouds CL FW FW FW FW SC FW FW SC SC B1 B1 B1 SC SC SC SC SC SC B1 B1 B2 PoP 12hr 10 0 0 5 70 QPF 12hr 0 0 0 0 0.08 Rain shwrs S S L L L Tstms S C C S Heat index 85 89 87 Max heat 91 92 82 88 90 81 89 89 Date Thu 05/21/26 Fri 05/22/26 Sat 05/23/26 Sun 05/24/26 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 65 83 64 84 65 83 65 84 Temp 69 67 81 75 68 65 77 76 69 66 80 79 69 67 82 80 Dewpt 65 64 69 68 64 65 69 67 64 64 70 68 65 65 70 68 PWind Dir NE NE NE SW S SW S SW Wind Char LT LT LT LT LT LT LT LT Avg Clouds B2 B2 B2 B2 B2 B2 B2 B1 B2 B2 B2 B2 B2 B1 B2 B1 PoP 12hr 60 90 50 80 80 80 60 80 Rain shwrs L S L D C C L D D C L D L C L D Tstms S S C C C C S C S S C $$ TNZ036-182000- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 227 AM EDT Mon May 18 2026 Date Mon 05/18/26 Tue 05/19/26 Wed 05/20/26 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 88 64 86 Temp 67 67 79 87 89 84 74 70 67 67 78 86 88 83 74 68 65 67 78 84 82 76 Dewpt 63 64 68 68 67 66 63 60 59 60 64 64 63 64 62 61 61 62 67 69 70 69 RH 87 90 69 53 48 55 69 71 75 78 62 48 43 53 66 78 87 84 69 61 67 79 Wind Dir W SW SW SW SW S S W SW SW SW SW SW SW W SW SW SW SW W W NW Wind Spd 2 2 6 8 9 5 2 2 3 2 4 6 8 3 2 1 1 1 3 4 3 2 Clouds FW FW FW FW SC SC FW FW B1 SC B2 B1 B1 B2 SC SC SC B1 B1 B1 B1 B2 PoP 12hr 10 0 5 10 80 QPF 12hr 0 0 0 0 0.10 Rain shwrs C C D D C Tstms S C C S Heat index 91 92 88 86 Max heat 91 92 87 89 88 90 Date Thu 05/21/26 Fri 05/22/26 Sat 05/23/26 Sun 05/24/26 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 63 82 62 83 63 82 63 83 Temp 67 65 80 74 66 65 78 75 67 65 79 77 67 65 81 78 Dewpt 65 64 70 68 64 65 71 68 64 64 71 69 65 65 71 69 PWind Dir N N NE SW SW SW SW SW Wind Char LT LT LT LT LT LT LT LT Avg Clouds B2 B2 B2 B2 B2 B2 B2 B1 B2 B2 B2 B2 B2 B2 B2 B1 PoP 12hr 50 90 60 90 80 80 60 70 Rain shwrs C C L D L C L D D L L D L C L L Tstms S S C C C C S C S S C $$ TNZ099-182000- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 227 AM EDT Mon May 18 2026 Date Mon 05/18/26 Tue 05/19/26 Wed 05/20/26 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 89 67 89 66 87 Temp 69 69 79 86 88 85 75 71 68 69 78 86 88 85 75 69 67 68 79 84 85 80 Dewpt 64 65 68 70 68 68 65 62 60 60 64 66 65 66 65 63 63 63 66 69 70 70 RH 84 87 69 59 52 57 71 73 76 73 62 51 47 53 71 81 87 84 64 61 61 72 Wind Dir S S S S S S S S S S S S S S S N N N SW W W W Wind Spd 3 3 6 10 10 4 3 3 3 3 4 6 6 3 1 0 0 0 1 4 3 2 Clouds FW SC SC SC SC SC SC SC SC B1 B1 SC B1 SC SC SC B1 B1 SC B1 B1 B2 PoP 12hr 20 5 10 10 70 QPF 12hr 0 0 0 0 0.06 Rain shwrs S C C L L C Tstms S S C C S Heat index 91 92 88 88 90 83 Max heat 91 94 83 88 92 82 88 91 Date Thu 05/21/26 Fri 05/22/26 Sat 05/23/26 Sun 05/24/26 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 65 85 65 83 65 83 65 85 Temp 69 67 83 79 68 67 80 78 68 67 80 79 68 67 83 80 Dewpt 66 64 70 69 65 64 70 68 65 65 70 69 66 65 70 69 PWind Dir NW SW E S S S S SW Wind Char LT LT LT LT LT LT LT LT Avg Clouds B2 B2 B1 B1 B2 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 PoP 12hr 40 80 60 80 80 70 50 70 Rain shwrs C S C D L L C D D L L L C C C L Tstms S S C C C C S C S S C $$ NCZ060-182000- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 227 AM EDT Mon May 18 2026 Date Mon 05/18/26 Tue 05/19/26 Wed 05/20/26 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 87 61 88 61 87 Temp 64 65 76 84 85 79 69 65 62 63 77 85 86 79 69 63 61 63 79 85 82 76 Dewpt 62 64 67 66 62 61 59 58 57 59 61 59 58 61 60 58 57 59 64 65 65 65 RH 93 97 74 55 46 54 70 78 84 87 58 41 39 54 73 84 87 87 60 51 56 69 Min/Max RH 45 87 38 87 51 Wind Dir E SE S S S S E E E E SE S S S SE N N N N W W N Wind Dir Deg 11 12 16 17 17 16 11 11 11 10 15 19 19 18 13 0 0 0 0 25 27 0 Wind Spd 2 2 4 6 8 4 3 3 2 1 1 3 4 2 1 0 0 0 0 2 2 0 Clouds FW SC SC FW FW SC FW FW SC SC B1 SC SC B1 SC SC B1 B1 SC B1 SC B1 Clouds (%) 21 48 28 18 19 32 16 22 41 35 58 40 48 57 37 35 51 52 42 54 49 65 Vsby 10 10 10 10 10 10 10 10 10 10 10 10 PoP 12hr 10 0 0 5 60 QPF 12hr 0 0 0 0 0.08 Rain shwrs S S L L C Tstms C C S ChanceThunder 5 0 0 5 40 Max Mix Hgt AGL Mix Hgt 5400 6500 5200 Max Vent Rt 70800 64800 36200 T Wind Dir S S W T Wind Spd 12 9 6 ADI 71 65 36 Max LVORI 8 6 6 Stability G B A G G A B G F B B Ceiling NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE Sta Pres 28.11 28.10 28.06 28.09 28.13 28.10 28.04 28.04 28.05 28.00 27.99 Date Thu 05/21/26 Fri 05/22/26 Sat 05/23/26 Sun 05/24/26 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 84 61 81 61 82 61 83 Temp 64 63 80 74 64 62 75 73 64 62 78 76 64 63 80 77 Dewpt 63 61 67 66 62 62 66 64 62 62 67 65 63 62 68 66 PWind Dir N S SE SE SE S S SW Wind Char LT LT LT LT LT LT LT LT Avg Clouds B1 B1 B1 B1 B2 B2 B2 B1 B2 B2 B2 B1 B2 B2 B1 B1 PoP 12hr 30 90 60 70 70 80 50 70 Rain shwrs C S L D L C C L L C C D C C C L Tstms S C C C C C 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 $$