FOUS54 KMRX 200017 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 817 PM EDT Tue May 19 2026 TNZ017-200800- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 817 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 72 68 64 66 79 85 87 81 69 66 64 65 74 80 77 74 68 65 63 63 Dewpt 61 60 58 59 63 63 62 65 65 64 63 64 67 68 68 67 65 63 61 62 RH 68 76 81 78 58 48 43 58 87 93 97 97 79 67 74 79 90 93 93 97 Wind Dir SW S SE SE W W W W NE E NE E NE NW N NE E E E E Wind Spd 1 0 0 0 2 5 5 4 1 0 0 1 1 3 4 3 3 4 3 4 Clouds 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 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 81 62 81 61 82 61 82 62 83 Temp 78 76 65 64 76 76 65 63 78 77 65 63 78 77 65 63 80 78 Dewpt 67 65 62 63 69 67 63 63 69 68 63 63 69 68 64 63 68 68 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 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B2 B1 B2 B1 B1 B1 PoP 12hr 80 50 90 40 80 50 80 40 80 Rain shwrs C D C C L D C C L D C C L D C S C D Tstms S C C S C S S C S S C S C $$ TNZ071-200800- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 817 PM EDT Tue May 19 2026 Date 05/19/26 Wed 05/20/26 Thu 05/21/26 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 68 89 66 84 66 Temp 76 72 69 70 82 87 87 79 73 70 68 68 77 82 81 76 71 69 68 68 Dewpt 63 61 60 61 64 65 65 68 68 65 65 65 68 70 70 71 68 66 65 66 RH 64 68 73 73 55 48 48 69 84 84 90 90 74 67 69 85 90 90 90 93 Wind Dir S SW W N SW SW SW W N NE N N NW W W E NE E N SE Wind Spd 3 2 1 0 4 5 8 4 2 1 0 0 1 3 4 3 2 1 0 1 Clouds SC SC SC SC SC SC B2 B2 B1 OV B2 B2 B1 B1 B1 B2 B1 B1 B2 B1 PoP 12hr 0 40 20 90 50 QPF 12hr 0 0.03 0.01 0.18 0.02 Rain shwrs S C S S C C D D C C S S L Tstms S C S S C C S Heat index 86 85 Max heat 83 82 89 90 86 86 Date 05/22 Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 Tue 05/26/26 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 84 66 83 65 83 65 83 66 84 Temp 82 80 70 68 79 78 69 67 80 78 69 67 81 79 69 68 82 80 Dewpt 70 70 65 65 71 70 64 65 71 70 65 65 71 70 65 65 71 70 PWind Dir S S SW S SW S SW SE SW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B2 B1 B2 B2 B1 B2 B2 B1 PoP 12hr 90 70 80 60 80 60 70 50 70 Rain shwrs L D L L D D C L L D L C L L C C C L Tstms S C C S S C S S C S S C S S C $$ TNZ036-200800- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 817 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 75 70 67 68 80 86 84 77 71 68 66 66 75 82 80 74 70 67 66 66 Dewpt 62 62 61 62 66 67 67 69 67 66 65 65 69 70 71 71 68 65 65 66 RH 64 76 81 81 62 53 57 76 87 93 97 97 82 67 74 90 93 93 97100 Wind Dir SW SW SW N SW SW W W N N NE NE E W NW E NE NE NE S Wind Spd 2 1 1 0 2 4 6 2 2 1 1 1 1 2 3 2 2 2 1 1 Clouds 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 Heat index 89 87 86 83 Max heat 85 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 83 64 81 63 82 63 82 64 84 Temp 80 78 68 66 77 77 67 65 80 77 67 65 80 77 68 66 82 78 Dewpt 71 70 65 65 72 70 64 65 72 70 64 65 72 71 65 65 72 70 PWind Dir S SW SW SW SW S SW SW SW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B2 B2 B2 B1 B2 B2 B2 B1 PoP 12hr 90 70 80 70 70 60 70 50 60 Rain shwrs L D L L D D C L L L L C L L C C C L Tstms S C C S S C S S C S S C S S C $$ TNZ099-200800- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 817 PM EDT Tue May 19 2026 Date 05/19/26 Wed 05/20/26 Thu 05/21/26 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 68 89 66 86 66 Temp 75 71 68 70 81 87 85 79 72 69 68 68 77 83 83 78 71 69 68 68 Dewpt 63 63 62 62 66 67 68 69 69 66 65 65 68 70 71 71 69 67 65 65 RH 66 76 81 76 60 52 57 72 90 90 90 90 74 65 67 79 93 93 90 90 Wind Dir N N N N S SW W SW N N N N N SW SW E N N S S Wind Spd 0 0 0 0 1 4 4 2 1 0 0 0 0 2 3 2 0 0 1 4 Clouds SC FW SC B1 B1 B2 B2 B2 B2 B1 B1 B2 B1 B1 B1 B1 B1 B1 B2 B2 PoP 12hr 0 60 40 80 70 QPF 12hr 0 0.12 0.01 0.10 0.07 Rain shwrs C C C S C C D D L L L L L Tstms C C S S C C S Heat index 90 88 87 88 Max heat 86 83 90 92 87 89 Date 05/22 Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 Tue 05/26/26 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 85 66 83 66 84 66 85 66 86 Temp 82 80 69 68 80 79 69 68 82 79 69 68 82 80 69 68 83 80 Dewpt 70 70 66 65 72 70 66 65 72 70 66 65 72 70 66 65 71 70 PWind Dir S S S S S S S S S Wind Char GN LT LT LT LT LT LT LT LT Avg Clouds B2 B2 B2 B2 B2 B2 B2 B1 B2 B2 B2 B1 B2 B1 B2 B2 B2 B1 PoP 12hr 80 80 70 60 70 60 60 50 60 Rain shwrs L D D L L L C L C L L C C L C C C L Tstms S C C S S C C S C S S C S S C $$ NCZ060-200800- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 817 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 69 65 63 65 79 85 84 77 68 64 63 64 76 80 79 74 68 65 64 64 Dewpt 61 59 57 59 64 63 63 66 65 63 61 62 66 67 67 67 65 63 61 62 RH 76 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 N N N N N SW W W N N N N N SW SW SE N E SE SE Wind Dir Deg 0 0 0 0 0 21 25 26 0 0 0 0 0 21 23 12 0 11 12 13 Wind Spd 0 0 0 0 0 2 3 1 0 0 0 0 0 2 1 1 0 2 4 4 Wind Gust 14 Clouds SC SC B1 SC SC SC B2 B1 B2 B2 B1 B2 B1 B1 B1 B1 B1 B1 B1 B1 Clouds (%) 27 40 59 46 45 48 71 69 87 73 69 74 64 51 57 68 58 52 60 69 Vsby 10 10 10 10 10 10 10 10 10 7 7 9 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 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 G G A B F F B B F F Ceiling NONE NONE 23500 NONE NONE NONE NONE NONE NONE NONE Sta Pres 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 82 63 82 62 83 62 83 63 84 Temp 79 76 65 65 77 76 64 64 79 76 64 64 80 76 65 64 81 77 Dewpt 68 66 64 63 69 67 64 63 70 67 64 63 69 67 64 63 69 66 PWind Dir SE SE S SE S N S N S Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B1 B1 B2 B2 B2 B2 B2 B1 B2 B1 B2 B2 B2 B2 B1 B2 B2 B1 PoP 12hr 80 70 80 50 70 50 80 50 60 Rain shwrs C D L L L D C C L L C C C D C C C L Tstms S C C 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 $$