Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
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166 FOUS54 KMRX 240626 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 226 AM EDT Mon Aug 24 2026 TNZ017-242000- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 226 AM EDT Mon Aug 24 2026 Date Mon 08/24/26 Tue 08/25/26 Wed 08/26/26 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 82 56 84 60 88 Temp 59 59 72 80 81 74 64 59 57 58 73 82 83 75 65 62 61 62 77 85 87 79 Dewpt 56 57 60 59 58 58 56 55 53 54 57 56 54 57 56 56 56 58 63 63 62 63 RH 90 93 66 49 46 57 75 87 86 86 57 41 37 54 73 81 84 87 62 48 43 58 Wind Dir N N W W NW N NE NE NE E NE NW NW N E E E E S SW SW S Wind Spd 0 0 2 6 5 3 2 2 2 3 2 2 3 1 1 1 1 2 1 6 5 2 Clouds FW SC FW SC SC FW SC FW FW B1 FW SC FW FW FW FW SC SC SC SC SC B1 PoP 12hr 0 0 0 0 20 QPF 12hr 0 0 0 0 0.02 Rain shwrs S S C Tstms S S Obvis PF Date Thu 08/27/26 Fri 08/28/26 Sat 08/29/26 Sun 08/30/26 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 65 85 64 87 66 88 Temp 68 68 83 77 67 66 82 77 66 66 85 79 68 67 85 81 Dewpt 64 65 68 68 66 66 69 67 65 65 66 65 65 65 68 67 PWind Dir S SW S W NE NW SE SW Wind Char LT LT LT LT LT LT LT LT Avg Clouds B1 B1 B1 SC SC SC B1 SC SC FW SC FW FW FW SC SC PoP 12hr 30 40 30 20 5 10 0 10 Rain shwrs C S S C C S S Tstms S S C S S $$ TNZ071-242000- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 226 AM EDT Mon Aug 24 2026 Date Mon 08/24/26 Tue 08/25/26 Wed 08/26/26 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 87 62 89 64 91 Temp 64 64 77 85 87 80 71 66 63 63 77 86 87 79 72 68 65 66 80 89 90 84 Dewpt 60 59 61 59 59 59 59 59 58 57 61 60 58 59 59 60 60 60 64 64 64 64 RH 87 84 58 41 39 49 66 78 84 81 58 42 38 50 64 76 84 81 58 44 42 51 Wind Dir N N N NW NW NE E NE NE NE NE N N NE E E E E N W W SW Wind Spd 0 0 1 3 3 4 3 3 3 4 3 3 4 3 2 1 1 1 0 5 6 3 Clouds CL FW CL FW FW SC SC FW FW CL CL FW CL SC FW FW FW SC FW SC SC B1 PoP 12hr 0 0 0 0 30 QPF 12hr 0 0 0 0 0.03 Rain shwrs C C C Tstms S C S Date Thu 08/27/26 Fri 08/28/26 Sat 08/29/26 Sun 08/30/26 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 70 89 68 88 67 90 69 91 Temp 74 70 86 81 72 69 86 81 71 68 88 83 72 70 88 85 Dewpt 66 67 70 69 69 68 70 68 68 67 69 67 68 67 70 68 PWind Dir S SW SW NW NE N SE SW Wind Char LT LT LT LT LT LT LT LT Avg Clouds B1 B1 B1 SC SC SC SC SC SC FW FW FW SC FW SC SC PoP 12hr 40 60 30 30 5 10 5 10 Rain shwrs C C C L C C C Tstms S C S C $$ TNZ036-242000- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 226 AM EDT Mon Aug 24 2026 Date Mon 08/24/26 Tue 08/25/26 Wed 08/26/26 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 62 88 63 91 Temp 62 62 77 84 86 78 69 65 63 63 76 84 87 78 70 66 65 65 78 87 90 82 Dewpt 58 59 62 60 60 61 59 58 57 57 61 61 59 61 59 58 57 59 64 65 65 66 RH 87 90 60 44 42 56 70 78 81 81 60 46 39 56 68 75 75 81 62 48 44 58 Wind Dir N N N W NW NE NE NE NE NE NE NE N NE NE N NE NE N SW W SW Wind Spd 0 0 0 1 2 3 2 2 3 3 2 1 1 1 2 1 1 1 0 3 3 1 Clouds FW FW FW SC FW SC FW FW FW FW FW FW CL SC FW FW SC SC SC SC SC B1 PoP 12hr 0 0 0 0 20 QPF 12hr 0 0 0 0 0.04 Rain shwrs S S C Tstms S S S Date Thu 08/27/26 Fri 08/28/26 Sat 08/29/26 Sun 08/30/26 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 69 88 67 88 66 90 68 90 Temp 71 69 85 79 70 68 85 80 70 67 87 82 71 69 88 83 Dewpt 66 67 71 70 69 68 71 69 67 66 70 68 67 67 71 69 PWind Dir SW SW SW N N E E SW Wind Char LT LT LT LT LT LT LT LT Avg Clouds B1 B1 B1 SC SC SC SC SC FW FW SC FW FW FW SC SC PoP 12hr 40 60 30 20 5 5 5 5 Rain shwrs C C C L C S S Tstms S C C S $$ TNZ099-242000- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 226 AM EDT Mon Aug 24 2026 Date Mon 08/24/26 Tue 08/25/26 Wed 08/26/26 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 92 65 92 67 94 Temp 67 67 80 89 91 82 73 68 66 66 78 89 91 83 74 70 68 68 81 91 93 85 Dewpt 62 62 62 61 60 60 60 60 60 60 62 61 59 62 62 61 61 62 65 66 67 68 RH 84 84 54 39 36 47 64 76 81 81 58 39 34 49 66 73 78 81 58 44 43 57 Wind Dir N N NE NW N N N N N N NE NE NE NE NE N N N S S S W Wind Spd 1 1 1 3 4 5 3 3 3 4 3 2 2 2 1 1 0 0 1 3 4 3 Clouds SC FW FW FW FW FW FW FW FW CL CL CL CL FW FW FW FW FW FW SC SC B1 PoP 12hr 0 0 0 0 30 QPF 12hr 0 0 0 0 0.12 Rain shwrs C C C Tstms C C S Heat index 94 97 88 Max heat 89 91 89 90 94 97 Date Thu 08/27/26 Fri 08/28/26 Sat 08/29/26 Sun 08/30/26 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 71 91 69 91 69 93 70 93 Temp 74 72 89 82 72 70 88 83 72 70 90 85 73 71 91 86 Dewpt 69 69 72 72 71 70 71 71 69 69 70 70 70 69 71 71 PWind Dir S SW SW NW N NE SE S Wind Char LT LT LT LT LT LT LT LT Avg Clouds B1 B1 SC SC SC SC SC SC FW FW FW FW SC FW SC SC PoP 12hr 40 60 30 20 5 10 5 10 Rain shwrs C C C L C S S Tstms S C C S $$ NCZ060-242000- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 226 AM EDT Mon Aug 24 2026 Date Mon 08/24/26 Tue 08/25/26 Wed 08/26/26 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 86 58 88 63 90 Temp 60 60 76 84 85 75 65 61 59 59 77 86 87 78 68 65 64 64 79 87 88 79 Dewpt 57 57 61 58 57 59 58 56 54 55 61 59 59 62 61 60 59 60 66 66 67 67 RH 90 90 60 41 39 58 78 84 83 87 58 40 39 58 78 84 84 87 64 50 50 67 Min/Max RH 39 87 39 87 48 Wind Dir N N NW NW NW N N N N N N W NW N N N N E SE S SW N Wind Dir Deg 0 0 30 30 31 33 0 0 0 0 0 26 30 0 0 0 0 11 15 19 22 0 Wind Spd 0 0 1 5 5 2 0 0 0 0 0 2 3 0 0 0 0 1 1 3 2 0 Clouds SC SC FW FW FW FW FW SC SC FW CL CL CL SC FW FW SC SC SC SC SC B1 Clouds (%) 39 26 15 19 17 16 21 36 31 20 2 3 3 26 22 23 35 45 27 34 48 60 Vsby 10 10 10 10 10 10 10 10 7 7 10 PoP 12hr 0 0 0 0 30 QPF 12hr 0 0 0 0 0.13 Rain shwrs C C C Tstms C C S Heat index 91 Max heat 84 84 85 86 89 92 ChanceThunder 0 0 0 0 30 Max Mix Hgt AGL Mix Hgt 4400 5100 6700 Max Vent Rt 35300 25300 53600 T Wind Dir NW W S T Wind Spd 6 4 6 ADI 35 25 54 Max LVORI 7 6 6 Stability G B A G G A A G G A B Ceiling NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE NONE Sta Pres 27.95 27.94 27.90 27.94 27.98 27.96 27.93 27.94 27.96 27.93 27.89 Date Thu 08/27/26 Fri 08/28/26 Sat 08/29/26 Sun 08/30/26 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 86 64 87 63 88 64 89 Temp 69 66 84 75 67 66 84 76 67 64 86 78 68 65 86 78 Dewpt 66 66 71 70 67 65 70 69 67 64 69 69 67 65 70 70 PWind Dir SE SW N NW N NW N SW Wind Char LT LT LT LT LT LT LT LT Avg Clouds B1 B2 B1 SC SC B1 B1 SC FW SC SC FW FW SC SC SC PoP 12hr 40 70 30 50 10 30 5 40 Rain shwrs C C C L C S S C C C Tstms S S C S S C C 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 $$