Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
129 FOUS54 KMRX 111827 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 227 PM EDT Wed Mar 11 2026 TNZ017-120800- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 227 PM EDT Wed Mar 11 2026 Date 03/11/26 Thu 03/12/26 Fri 03/13/26 Sat 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 36 49 29 61 36 Temp 78 72 66 61 47 38 38 46 48 42 36 32 31 30 45 59 61 55 47 43 39 37 Dewpt 57 56 56 58 45 36 32 26 21 21 23 24 22 21 27 31 34 34 35 35 35 34 RH 48 57 70 90 93 92 79 45 34 43 59 72 69 69 49 34 36 45 63 73 85 89 Wind Dir SW SW W W N N NW NW NW NW SE SE SE SE SW SW SW SW SW SW SW SE Wind Spd 16 11 12 12 12 10 10 12 11 3 2 2 2 2 6 14 16 9 5 3 2 1 Wind Gust 26 21 23 26 Clouds B1 B1 B2 OV OV OV OV FW FW CL FW FW FW FW FW SC SC FW FW FW FW FW PoP 12hr 100 50 0 0 0 QPF 12hr 0.82 0.07 0 0 0 Rain shwrs C D D C Tstms S Wind chill 31 31 Min chill 31 29 32 28 31 35 Date 03/14 Sun 03/15/26 Mon 03/16/26 Tue 03/17/26 Wed 03/18/26 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 66 43 71 40 52 22 41 24 49 Temp 61 59 46 45 69 65 55 46 45 41 29 23 38 36 26 26 46 43 Dewpt 38 40 40 39 49 49 51 43 30 20 16 12 10 10 15 16 21 27 PWind Dir NW SE S S W W W NE SW Wind Char LT LT GN GN BZ GN GN LT LT Avg Clouds SC FW FW SC SC B1 B1 B2 OV B1 SC SC SC SC SC SC SC B1 PoP 12hr 0 0 10 70 60 20 10 10 10 Rain shwrs C L L C Snowshwrs C S $$ TNZ071-120800- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 227 PM EDT Wed Mar 11 2026 Date 03/11/26 Thu 03/12/26 Fri 03/13/26 Sat EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 39 53 34 64 40 Temp 77 73 67 59 48 40 41 50 52 46 41 37 36 35 49 61 64 58 51 47 43 41 Dewpt 60 59 60 56 45 38 34 29 24 26 28 28 27 26 32 34 35 36 37 37 37 37 RH 56 62 78 90 89 92 76 44 33 45 59 70 69 69 52 36 34 44 59 68 79 85 Wind Dir SW SW SW NW N N N N N N E S S SW SW SW SW SW SW SW S E Wind Spd 19 13 13 13 12 13 13 12 9 3 2 2 3 5 11 18 16 8 5 3 2 2 Wind Gust 24 27 24 23 Clouds B2 B2 OV OV OV OV B2 FW CL FW FW FW FW FW FW FW SC FW FW FW FW FW PoP 12hr 100 30 0 0 0 QPF 12hr 1.28 0.02 0 0 0 Rain shwrs S D D D C Tstms S C Wind chill 32 33 Min chill 32 31 37 30 34 Date 03/14 Sun 03/15/26 Mon 03/16/26 Tue 03/17/26 Wed 03/18/26 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 70 47 75 40 51 25 45 29 53 Temp 66 63 51 49 73 69 58 46 45 43 31 25 41 40 32 30 51 47 Dewpt 41 44 43 43 52 53 55 42 28 22 17 14 12 15 18 19 25 30 PWind Dir NE SE S SW W NW NW NE SW Wind Char LT LT GN GN BZ LT LT LT LT Avg Clouds SC FW FW FW SC B2 B2 OV B2 B1 SC FW SC SC B1 SC SC B1 PoP 12hr 0 0 10 80 40 10 5 5 10 Rain shwrs C D C S Tstms S S $$ TNZ036-120800- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 227 PM EDT Wed Mar 11 2026 Date 03/11/26 Thu 03/12/26 Fri 03/13/26 Sat 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 39 54 34 63 40 Temp 78 73 65 55 46 40 43 51 54 47 40 37 36 35 49 60 63 57 50 46 43 41 Dewpt 62 60 61 51 43 36 33 27 24 25 27 28 27 27 31 35 36 36 38 38 37 37 RH 58 64 87 86 89 85 67 39 31 42 59 70 69 72 50 39 36 45 63 73 79 85 Wind Dir SW SW SW N N N N N N N NE S SW SW SW SW SW SW SW W NW N Wind Spd 14 11 10 11 10 10 10 10 6 2 2 2 2 5 11 14 12 5 3 2 2 2 Wind Gust 26 24 24 25 23 20 23 26 23 Clouds B2 B2 OV OV OV OV B1 FW CL CL FW FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 100 10 0 0 0 QPF 12hr 1.03 0 0 0 0 Rain shwrs S C D D D Tstms S C S Wind chill 33 37 Min chill 33 32 37 30 33 Date 03/14 Sun 03/15/26 Mon 03/16/26 Tue 03/17/26 Wed 03/18/26 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 69 47 75 39 50 24 45 29 53 Temp 65 62 50 48 72 69 57 45 45 41 31 25 42 40 32 30 49 46 Dewpt 41 44 43 43 54 53 55 40 27 20 16 13 11 14 17 19 25 29 PWind Dir SE S S SW W NW NW N S Wind Char LT LT GN GN GN LT LT LT LT Avg Clouds FW FW FW FW B1 B2 B2 OV B2 SC SC FW FW SC SC SC SC B1 PoP 12hr 0 0 5 80 40 10 5 5 10 Rain shwrs C D C S Tstms S S $$ TNZ099-120800- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 227 PM EDT Wed Mar 11 2026 Date 03/11/26 Thu 03/12/26 Fri 03/13/26 Sat EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 42 57 37 66 41 Temp 80 75 67 58 48 43 45 54 56 50 43 40 38 38 50 62 66 60 51 47 44 42 Dewpt 62 62 62 55 45 39 36 31 27 29 32 31 31 29 34 36 37 40 41 40 40 39 RH 54 64 84 90 89 86 70 41 32 44 65 70 76 70 54 38 34 47 68 76 86 89 Wind Dir SW S SW N N N N N N N N S S S S S SW S SW SW NW NE Wind Spd 12 9 9 10 13 14 14 13 11 4 2 1 2 5 10 11 10 4 2 1 1 1 Wind Gust 19 20 25 27 26 Clouds B2 B2 OV OV OV OV SC CL CL CL FW CL FW CL CL FW FW FW FW FW FW FW PoP 12hr 100 20 0 0 0 QPF 12hr 1.17 0.01 0 0 0 Rain shwrs L D D D S Tstms C C Wind chill 36 38 Min chill 36 34 33 36 Date 03/14 Sun 03/15/26 Mon 03/16/26 Tue 03/17/26 Wed 03/18/26 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 74 51 76 41 53 27 49 31 57 Temp 69 67 53 52 72 71 58 46 47 45 33 27 45 44 35 32 54 51 Dewpt 44 48 47 48 57 57 56 40 29 22 18 15 13 17 20 21 26 32 PWind Dir SE S S SW NW NW NW N S Wind Char LT LT GN GN GN LT LT LT LT Avg Clouds FW FW FW FW SC B2 B1 OV B2 B1 SC FW FW SC B1 B1 SC SC PoP 12hr 0 0 20 80 30 10 5 5 5 Rain shwrs S S C D C Tstms S S S $$ NCZ060-120800- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 227 PM EDT Wed Mar 11 2026 Date 03/11/26 Thu 03/12/26 Fri 03/13/26 Sat 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 38 53 30 63 35 Temp 77 72 65 60 49 40 40 48 51 44 37 34 32 32 47 59 63 56 46 41 38 36 Dewpt 57 57 60 59 48 39 35 28 22 23 24 25 25 24 28 30 32 34 35 35 34 33 RH 50 59 84 96 96 96 82 46 32 43 59 69 75 72 47 33 31 43 65 79 85 89 Max/Min RH 100 32 75 30 92 Wind Dir SW S SW W NW NW N N N N NE E SE SE S S SW S S N N N Wind Dir Deg 21 19 20 25 31 31 33 33 33 33 5 11 12 13 16 19 20 19 18 0 0 0 Wind Spd 9 5 5 5 10 11 12 13 10 2 1 1 2 2 5 8 8 2 1 0 0 0 Wind Gust 19 17 18 17 23 24 25 24 Clouds B1 B1 B2 OV OV OV B2 FW CL FW CL CL CL FW CL FW FW FW CL CL FW FW Clouds (%) 62 67 85 91 94 96 77 17 4 7 5 2 5 9 5 6 7 7 2 3 18 9 Vsby 10 10 6 6 5 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 PoP 12hr 100 30 0 0 0 QPF 12hr 0.91 0.01 0 0 0 Rain shwrs L D D C Tstms C S Wind chill 33 33 Min chill 33 31 34 31 33 35 ChanceThunder 30 0 0 0 0 Max Mix Hgt AGL Mix Hgt 4900 4500 Max Vent Rt 108100 69500 T Wind Dir N S T Wind Spd 24 13 ADI 108 67 Max LVORI 4 3 Stability C D D C B G G B B G G Ceiling NONE NONE NONE 9700 NONE NONE NONE NONE 24200 25000 25000 Sta Pres 27.84 27.71 27.82 27.97 28.00 28.00 27.96 27.89 27.91 27.93 27.96 Date 03/14 Sun 03/15/26 Mon 03/16/26 Tue 03/17/26 Wed 03/18/26 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 73 46 71 38 53 22 46 26 54 Temp 69 63 48 47 68 65 53 46 46 41 28 22 42 39 29 27 51 46 Dewpt 41 42 42 44 53 53 53 43 29 19 15 11 9 12 17 17 22 27 PWind Dir S SE SE S NW NW NW N SW Wind Char LT LT GN GN GN GN LT LT LT Avg Clouds SC SC FW FW SC B2 B2 B2 OV B1 SC SC FW SC SC B1 SC SC PoP 12hr 0 5 20 80 40 10 5 5 5 Rain shwrs S S C D C Tstms S 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 $$