Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
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220 FOUS54 KMRX 020627 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 227 AM EDT Fri Oct 2 2026 TNZ017-022000- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 227 AM EDT Fri Oct 2 2026 Date Fri 10/02/26 Sat 10/03/26 Sun 10/04/26 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 84 64 77 63 72 Temp 60 60 74 82 83 74 68 66 65 64 69 75 74 69 66 65 64 63 66 70 71 69 Dewpt 57 57 63 66 66 67 67 66 65 64 68 69 69 66 65 64 63 63 66 68 68 66 RH 90 90 69 58 57 79 97100100100 97 82 84 90 97 97 97100100 93 90 90 Wind Dir E E W W W W E NE NE NE N N NE NE E E E E S SW W N Wind Spd 1 0 1 9 6 2 0 0 0 1 3 3 3 4 2 2 2 1 1 2 1 1 Clouds SC B1 SC SC B1 B1 B1 B2 B2 OV B2 B2 B2 B2 OV OV OV OV OV OV OV OV PoP 12hr 5 50 70 70 80 QPF 12hr 0 0.09 0.14 0.17 0.63 Rain shwrs S S C C L C C L S S L L D D C C S Tstms S S S C C S S S S S Date Mon 10/05/26 Tue 10/06/26 Wed 10/07/26 Thu 10/08/26 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 58 74 46 74 44 74 45 76 Temp 62 58 73 64 51 48 71 63 48 45 71 63 49 46 74 65 Dewpt 62 58 57 51 48 45 52 50 46 43 51 52 47 45 52 53 PWind Dir N N NE NE E NW E W Wind Char LT LT LT LT LT LT LT LT Avg Clouds OV OV B1 FW FW FW FW FW FW FW SC FW FW FW SC FW PoP 12hr 20 0 0 0 0 0 0 0 Rain shwrs S $$ TNZ071-022000- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 227 AM EDT Fri Oct 2 2026 Date Fri 10/02/26 Sat 10/03/26 Sun 10/04/26 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 88 67 82 67 76 Temp 66 65 78 86 86 77 72 70 68 67 73 80 80 74 71 69 68 67 70 74 76 73 Dewpt 61 61 66 69 70 70 70 69 68 67 71 72 72 70 68 68 67 67 70 72 71 68 RH 84 87 67 57 59 79 93 97100100 93 77 77 87 90 97 97100100 93 85 84 Wind Dir NW W SW SW SW SW N N NE N NE N NE NE NE NE N N N NE NE N Wind Spd 2 1 3 9 6 3 2 1 1 1 2 3 4 4 3 1 0 0 0 1 2 3 Clouds SC B1 SC B1 SC B1 B1 B1 B2 OV B2 B2 B2 B2 OV OV OV OV OV OV B2 OV PoP 12hr 20 50 50 60 80 QPF 12hr 0 0.13 0.04 0.28 0.98 Rain shwrs C C C C C C C S S L L D D L L C Tstms S S S S S C C S S S S S S S Heat index 90 91 84 84 Max heat 90 93 84 87 Date Mon 10/05/26 Tue 10/06/26 Wed 10/07/26 Thu 10/08/26 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 61 79 51 78 50 78 50 81 Temp 66 61 77 70 58 52 75 69 56 51 76 68 55 51 78 70 Dewpt 65 60 62 56 52 49 57 55 54 50 57 55 54 50 56 54 PWind Dir N NE NE NE E N E NE Wind Char LT GN GN LT LT LT LT LT Avg Clouds OV OV B1 FW FW FW SC SC SC SC SC FW FW FW SC FW PoP 12hr 30 5 0 0 0 0 5 0 Rain shwrs C $$ TNZ036-022000- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 227 AM EDT Fri Oct 2 2026 Date Fri 10/02/26 Sat 10/03/26 Sun 10/04/26 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 66 80 65 76 Temp 65 64 77 85 84 74 70 69 68 66 72 77 78 72 68 67 66 66 70 74 76 71 Dewpt 62 62 68 71 72 71 70 69 68 66 71 72 72 69 67 67 66 66 70 72 71 68 RH 90 93 74 63 67 90100100100100 97 85 82 90 97100100100100 93 85 90 Wind Dir W W SW SW SW W NE NE NE NE NE NE NE NE NE NE N N E SE SE N Wind Spd 1 1 3 6 4 2 1 1 1 2 2 3 3 4 2 1 1 0 1 1 1 2 Clouds B1 B2 B1 B1 B1 B2 B2 B2 B2 OV OV B2 B2 OV OV OV OV OV OV OV OV OV PoP 12hr 30 50 50 60 80 QPF 12hr 0 0.06 0.03 0.30 0.83 Rain shwrs C C C C C C L L D D C C Tstms C S S S S S S S S S Heat index 90 90 Max heat 90 91 Date Mon 10/05/26 Tue 10/06/26 Wed 10/07/26 Thu 10/08/26 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 59 78 49 77 50 78 49 80 Temp 64 59 75 68 55 50 73 66 54 51 75 67 54 50 77 69 Dewpt 63 57 60 54 51 47 55 55 52 50 58 56 53 50 57 55 PWind Dir N NE NE NE NE E N SE Wind Char LT LT LT LT LT LT LT LT Avg Clouds OV B2 SC FW FW FW SC FW FW FW SC FW FW FW SC FW PoP 12hr 10 5 0 0 0 0 5 0 $$ TNZ099-022000- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 227 AM EDT Fri Oct 2 2026 Date Fri 10/02/26 Sat 10/03/26 Sun 10/04/26 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 91 69 87 68 78 Temp 69 67 80 88 88 79 74 71 70 69 77 85 83 76 72 70 70 69 72 76 77 74 Dewpt 65 65 69 70 70 70 71 70 70 69 72 72 73 72 71 70 70 69 71 72 72 70 RH 87 93 69 55 55 74 90 97100100 85 65 72 87 97100100100 97 87 85 87 Wind Dir S SE S S S E N N NE NE NE N NE NE NE E SE SE S NE E NE Wind Spd 2 1 4 5 4 2 1 1 1 1 1 2 4 3 2 1 1 1 2 3 3 2 Clouds SC SC B1 SC B1 B1 SC SC B2 B2 B2 B2 B2 OV OV OV OV OV OV OV OV OV PoP 12hr 40 20 60 60 80 QPF 12hr 0.01 0 0.33 0.28 1.16 Rain shwrs S C S S C C C C L L D D L L C Tstms S C S S C C C S S S S S S S Heat index 83 93 93 91 89 Max heat 93 96 91 92 Date Mon 10/05/26 Tue 10/06/26 Wed 10/07/26 Thu 10/08/26 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 63 82 54 81 52 81 52 83 Temp 67 63 79 74 60 55 78 72 58 53 78 71 57 53 81 73 Dewpt 67 61 62 57 54 51 59 57 53 50 56 55 53 50 55 54 PWind Dir NE NE NE E SE E SE NE Wind Char LT GN GN LT LT LT LT LT Avg Clouds OV B2 SC SC FW FW SC FW SC FW FW FW FW FW FW FW PoP 12hr 30 5 0 0 0 5 5 5 Rain shwrs C $$ NCZ060-022000- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 227 AM EDT Fri Oct 2 2026 Date Fri 10/02/26 Sat 10/03/26 Sun 10/04/26 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 85 63 83 64 73 Temp 61 60 74 83 82 72 68 66 65 63 73 80 78 70 68 66 66 65 68 71 72 69 Dewpt 60 59 68 69 69 69 68 66 65 63 71 72 72 70 68 66 66 65 68 71 70 68 RH 97 96 82 63 65 90100100100100 93 77 82100100100100100100100 93 97 Min/Max RH 61 100 74 100 93 Wind Dir SE E S S W N N N N N N W W N SE N N N N W NW N Wind Dir Deg 12 11 17 19 27 0 0 0 0 0 0 25 28 0 12 0 0 0 0 26 31 0 Wind Spd 2 2 2 3 2 0 0 0 0 0 0 2 1 0 1 0 0 0 0 1 1 0 Clouds SC SC SC B2 B1 B1 B1 B1 B2 B2 B1 OV B2 B2 OV OV OV OV B2 OV B2 OV Clouds (%) 34 42 45 75 59 59 52 61 83 83 69 88 77 79 91 97 97 99 85 92 86 88 Vsby 10 9 10 10 10 10 10 7 7 7 10 PoP 12hr 30 20 70 70 90 QPF 12hr 0.02 0 0.17 0.42 1.23 Rain shwrs S S S C S C C C C L L D D D D C Tstms S S S S S C C S S S S S S S S Heat index 87 85 84 Max heat 87 88 84 85 ChanceThunder 30 20 40 20 20 Max Mix Hgt AGL Mix Hgt 4100 2900 1200 Max Vent Rt 23600 11200 4900 T Wind Dir SW W SW T Wind Spd 5 3 4 ADI 24 11 5 Max LVORI 9 10 10 Stability G B B F D B B D D B B Ceiling 7200 15900 20800 NONE NONE NONE NONE NONE NONE NONE NONE Sta Pres 28.01 27.97 27.97 27.97 27.99 27.99 27.98 28.00 27.99 28.00 27.98 Date Mon 10/05/26 Tue 10/06/26 Wed 10/07/26 Thu 10/08/26 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 59 79 51 76 43 76 44 78 Temp 64 59 78 68 57 52 74 65 50 44 73 64 50 46 76 65 Dewpt 64 59 65 60 56 52 60 56 50 44 57 55 49 45 55 54 PWind Dir N N N SE SE W N NW Wind Char LT LT LT LT LT LT LT LT Avg Clouds OV OV B2 SC FW SC B1 SC SC SC SC FW FW FW SC FW PoP 12hr 30 10 0 5 0 5 5 5 Rain shwrs C S This is an experimental product for planning and review purposes only, and is not to be substituted for an official fire weather spot forecast $$