FOUS54 KMRX 200627 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 226 AM EDT Wed May 20 2026 TNZ017-202000- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 226 AM EDT Wed May 20 2026 Date Wed 05/20/26 Thu 05/21/26 Fri 05/22/26 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 88 63 81 62 81 Temp 64 66 79 86 87 80 69 66 64 65 73 78 76 73 67 65 63 64 72 78 80 76 Dewpt 58 59 63 63 63 66 65 64 63 64 67 68 68 67 65 63 61 63 66 67 68 66 RH 81 78 58 46 45 62 87 93 97 97 81 71 76 81 93 93 93 97 81 69 67 71 Wind Dir S SE W W W NW NE E E NE N N NE E E E E E SE SE SE SE Wind Spd 0 0 2 5 5 4 0 0 0 1 2 2 3 3 2 4 3 4 6 10 8 8 Clouds SC FW FW SC SC B2 B2 B2 B2 B1 B1 B2 B2 B2 B2 B1 B1 B1 B2 B2 B1 B1 PoP 12hr 30 60 80 60 80 QPF 12hr 0 0.10 0.22 0.07 0.13 Rain shwrs S L C C C D D L L C C C C D D L Tstms S C S C C C S C C C Date Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 Tue 05/26/26 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 80 61 83 62 82 62 82 Temp 64 64 77 76 64 63 80 77 65 63 79 77 66 64 79 77 Dewpt 62 63 69 68 63 63 69 68 63 63 70 69 64 64 69 68 PWind Dir SE S S SW SE SW SW W Wind Char LT LT LT LT LT LT LT LT Avg Clouds B1 B2 B2 B2 B2 B1 B1 B1 B1 B2 B2 B2 B1 B2 B1 B1 PoP 12hr 80 100 40 90 50 90 60 90 Rain shwrs L D D D C S C D C C L D L C L D Tstms C S S C C S C S S C C S C $$ TNZ071-202000- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 226 AM EDT Wed May 20 2026 Date Wed 05/20/26 Thu 05/21/26 Fri 05/22/26 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 89 66 83 65 84 Temp 68 70 82 87 86 79 72 70 68 68 74 80 80 75 71 68 67 67 75 81 83 78 Dewpt 60 61 65 66 66 69 68 66 65 65 68 70 70 70 68 66 65 66 69 71 70 70 RH 76 73 56 50 51 72 87 87 90 90 82 72 72 84 90 93 93 97 82 72 65 76 Wind Dir SW N SW SW SW W NE NE NE NE N NW NW E NE NE E N S SW SW S Wind Spd 1 0 4 5 5 3 1 1 1 1 1 2 2 2 2 1 1 0 2 6 6 4 Clouds FW FW SC SC B1 B2 B2 B2 B2 B2 B2 B2 B1 B2 B2 B2 B2 B2 B1 B2 B1 B1 PoP 12hr 50 50 90 70 90 QPF 12hr 0.05 0.03 0.65 0.16 0.14 Rain shwrs S C C C S S C L L L C C L L D D D Tstms S C C S C C S S C C C Heat index 83 83 85 87 Max heat 89 90 83 86 85 87 Date Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 Tue 05/26/26 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 66 82 65 84 66 84 66 83 Temp 70 67 79 78 69 67 82 79 69 68 82 79 70 68 81 79 Dewpt 65 66 72 70 65 65 72 70 65 65 73 71 65 65 72 70 PWind Dir S SW SW SW SW SW SW SW Wind Char LT LT LT LT LT LT LT LT Avg Clouds B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B2 B2 B2 B2 PoP 12hr 90 90 40 90 60 90 70 80 Rain shwrs D D D D C C C D L L D D L C L D Tstms C S S C C S C S S C C S C $$ TNZ036-202000- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 226 AM EDT Wed May 20 2026 Date Wed 05/20/26 Thu 05/21/26 Fri 05/22/26 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 88 64 82 63 82 Temp 67 68 80 86 84 76 71 68 66 65 73 79 79 74 69 67 65 65 73 79 81 76 Dewpt 61 63 66 68 68 70 68 66 65 65 69 71 71 71 68 65 65 65 70 72 72 71 RH 81 84 62 55 59 82 90 93 97100 87 77 77 90 97 93100100 90 79 74 85 Wind Dir W N SW SW W N NE NE N NE E NE N NE NE NE E S S SW S S Wind Spd 1 0 3 4 5 2 1 1 1 1 2 1 2 2 2 2 1 1 2 8 8 3 Clouds SC FW SC B1 B1 OV B2 B2 OV OV B2 B2 B1 B2 B1 B2 B2 B2 B2 B2 B2 B2 PoP 12hr 60 40 90 70 90 QPF 12hr 0.08 0.02 0.23 0.05 0.19 Rain shwrs C L C C S S S C L L L L L D D D D D Tstms C C C S S C C S S C C C Heat index 89 87 85 Max heat 89 91 85 85 Date Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 Tue 05/26/26 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 81 64 83 64 83 64 83 Temp 68 65 78 76 67 66 81 77 68 66 81 77 68 66 81 78 Dewpt 66 65 73 71 65 66 73 71 65 66 74 71 65 66 72 70 PWind Dir SW SW SW SW SW SW SW SW Wind Char LT LT LT LT LT LT LT LT Avg Clouds B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B2 B2 B1 B2 PoP 12hr 90 90 40 90 70 90 70 80 Rain shwrs D D D D C C C D L L D D L C L D Tstms C S S C C S C S S C C S C $$ TNZ099-202000- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 226 AM EDT Wed May 20 2026 Date Wed 05/20/26 Thu 05/21/26 Fri 05/22/26 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 89 66 84 66 84 Temp 68 70 81 87 85 79 72 69 68 68 75 81 81 77 71 68 67 68 75 82 83 78 Dewpt 63 63 67 69 70 70 69 67 66 65 68 71 72 71 69 67 65 65 69 72 71 70 RH 84 78 63 55 61 74 90 93 93 90 79 72 74 82 93 97 93 90 82 72 67 76 Wind Dir N N S SW W W NE N N N SE S S NE N N SE S S S S S Wind Spd 0 0 2 4 4 2 1 0 0 0 1 2 3 2 0 0 1 4 9 11 10 5 Wind Gust 19 Clouds SC SC B1 B1 B2 B2 B2 B2 B2 B2 B2 B1 B1 B2 B2 B2 B2 B2 B2 B1 B1 B2 PoP 12hr 70 50 80 80 70 QPF 12hr 0.14 0.04 0.11 0.110.10 Rain shwrs C C C C C C S D L L L D D C C L L D Tstms C C C S C C S S S C C C Heat index 91 90 85 85 87 88 Max heat 91 93 85 88 87 88 Date Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 Tue 05/26/26 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 66 83 66 84 66 84 66 84 Temp 69 67 80 78 69 68 82 79 69 68 82 79 69 68 82 79 Dewpt 67 66 73 71 66 66 73 71 66 66 73 71 67 66 73 70 PWind Dir S S S S S S S S Wind Char LT LT LT LT LT LT LT LT Avg Clouds B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B2 B1 PoP 12hr 90 90 40 80 70 80 70 80 Rain shwrs D D D D C C C D L L L D L C C D Tstms C C C C C S C S S C C S C $$ NCZ060-202000- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 226 AM EDT Wed May 20 2026 Date Wed 05/20/26 Thu 05/21/26 Fri 05/22/26 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 88 62 83 62 82 Temp 63 65 79 85 83 76 68 64 64 64 73 79 78 74 67 64 64 64 72 78 80 76 Dewpt 58 60 65 65 66 67 66 64 62 63 67 68 67 67 66 63 62 63 67 68 67 66 RH 84 84 62 51 57 74 93100 93 97 81 69 69 79 97 97 93 97 84 71 65 71 Min/Max RH 50 100 65 97 65 Wind Dir N N SW SW SW SW N N N N N S SW N E SE SE SE SE S SE SE Wind Dir Deg 0 0 20 20 23 22 0 0 0 0 0 19 20 0 11 12 12 14 15 16 15 14 Wind Spd 0 0 1 2 2 1 0 0 0 0 0 2 1 0 1 2 3 4 6 9 8 6 Wind Gust 14 17 17 Clouds FW SC FW B1 B1 B2 B1 B2 OV OV B1 B2 B2 B2 B1 B1 B2 B2 B2 B1 B1 B2 Clouds (%) 23 35 25 55 57 79 60 74 93 89 62 74 85 84 69 69 80 77 70 60 67 74 Vsby 10 10 10 10 10 10 10 7 7 9 9 6 PoP 12hr 60 40 80 70 90 QPF 12hr 0.05 0.12 0.37 0.05 0.11 Rain shwrs C C C S S C L D L L L L L L D D D Tstms C C C S C C C S S S C C C ChanceThunder 40 30 50 20 40 Max Mix Hgt AGL Mix Hgt 5600 2900 3000 Max Vent Rt 41400 17100 33300 T Wind Dir SW S SE T Wind Spd 8 5 11 ADI 41 17 33 Max LVORI 5 10 8 Stability G B B F D B B F F B B Ceiling NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE Sta Pres 28.04 27.97 27.94 27.95 27.95 27.96 27.94 27.92 27.96 27.98 27.94 Date Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 Tue 05/26/26 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 00Min/Max 63 81 63 83 63 83 63 83 Temp 65 63 77 75 64 64 79 76 65 64 80 76 65 64 80 76 Dewpt 64 63 70 67 64 64 71 67 64 64 71 68 64 64 71 67 PWind Dir SE S SE S SE S SE S 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 B2 PoP 12hr 90 90 70 80 70 80 60 90 Rain shwrs D D D D L C C D L C L D L C L D Tstms C S C C C C C S S C 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 $$