Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
548 FOUS54 KMRX 261821 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 221 PM EDT Sat Apr 26 2025 TNZ017-270800- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 221 PM EDT Sat Apr 26 2025 Date 04/26/25 Sun 04/27/25 Mon 04/28/25 Tue 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 45 71 51 77 55 Temp 75 66 58 51 47 47 57 66 70 64 56 53 52 54 67 74 76 71 63 59 56 58 Dewpt 58 54 51 48 45 43 42 40 40 42 41 42 43 46 49 49 52 52 52 50 50 52 RH 55 65 77 89 93 86 57 38 33 45 57 66 71 74 52 41 43 51 67 72 80 80 Wind Dir NW N NE N NE NE NE NE NE NE NE E E SE S SW SW S S SE SE SE Wind Spd 11 9 6 6 5 6 6 5 5 3 3 2 2 2 3 5 5 3 3 2 2 1 Clouds SC FW FW SC SC B1 SC SC FW B1 B1 B1 B1 SC SC FW FW FW FW FW SC SC PoP 12hr 0 0 0 10 0 QPF 12hr 0 0 0 0 0 Date 04/29 Wed 04/30/25 Thu 05/01/25 Fri 05/02/25 Sat 05/03/25 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 59 81 59 83 60 75 50 70 Temp 78 73 63 62 78 74 62 62 80 74 64 62 73 67 56 52 66 62 Dewpt 60 60 59 60 62 61 58 59 60 59 58 59 58 55 51 48 44 41 PWind Dir SW SW SW S SW SW W W NW Wind Char LT LT LT LT LT LT GN LT LT Avg Clouds SC SC B1 B1 B1 SC SC B1 B1 B1 B1 B1 B1 SC SC SC SC FW PoP 12hr 30 30 50 10 50 40 60 20 20 Rain shwrs C S C C C C C C C L L S S Tstms S C S C S S $$ TNZ071-270800- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 221 PM EDT Sat Apr 26 2025 Date 04/26/25 Sun 04/27/25 Mon 04/28/25 Tue EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 51 73 54 81 59 Temp 77 70 63 56 53 52 61 69 72 67 61 58 56 57 68 76 80 75 67 64 61 62 Dewpt 60 58 54 52 50 49 49 47 46 48 48 48 49 51 52 56 57 56 57 55 54 56 RH 56 66 72 86 89 89 65 45 39 50 62 69 77 80 57 50 45 52 70 73 78 81 Wind Dir NW N NE NE NE NE NE NE NE NE E NE E E S SW SW S S S S S Wind Spd 8 6 6 8 8 10 10 9 6 3 2 2 2 1 2 5 5 4 4 3 3 3 Clouds B1 SC SC SC B1 B1 SC B1 B1 B1 B1 B1 B1 B1 SC SC FW FW FW SC SC B1 PoP 12hr 0 0 5 20 0 QPF 12hr 0 0 0 0 0 Rain shwrs S S S S Date 04/29 Wed 04/30/25 Thu 05/01/25 Fri 05/02/25 Sat 05/03/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 83 62 84 62 85 63 77 53 73 Temp 80 76 66 64 82 77 67 64 82 76 68 65 75 70 59 55 70 66 Dewpt 64 62 60 60 64 60 59 59 63 61 60 59 60 56 51 49 47 44 PWind Dir SW SW SW S SW SW SW NW NW Wind Char LT LT LT LT GN LT GN LT LT Avg Clouds B1 B1 B1 B1 B1 SC SC B1 B1 B1 B1 B1 B1 SC SC FW FW FW PoP 12hr 30 10 40 10 40 50 50 10 10 Rain shwrs C S C C C C C C C Tstms S C S $$ TNZ036-270800- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 221 PM EDT Sat Apr 26 2025 Date 04/26/25 Sun 04/27/25 Mon 04/28/25 Tue 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 50 74 54 81 59 Temp 78 70 62 55 52 52 61 70 73 67 60 58 56 57 68 76 80 75 67 63 62 62 Dewpt 59 56 53 51 48 47 47 46 44 46 46 46 46 48 53 56 57 57 58 56 56 56 RH 52 61 72 86 86 83 60 42 35 47 60 64 69 72 59 50 45 54 73 78 81 81 Wind Dir NW N NE NE NE NE NE NE NE NE NE NE NE NE S S S S S SW SW SW Wind Spd 9 5 5 5 6 8 8 6 5 2 2 2 2 1 2 5 5 3 2 2 2 2 Clouds FW FW FW SC B1 B1 SC B1 B1 B1 B2 B1 B1 B1 SC SC FW FW FW SC SC B1 PoP 12hr 0 0 5 20 0 QPF 12hr 0 0 0 0 0 Rain shwrs S S Date 04/29 Wed 04/30/25 Thu 05/01/25 Fri 05/02/25 Sat 05/03/25 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 62 84 61 84 63 78 51 73 Temp 80 75 65 64 82 76 65 64 81 76 67 63 75 70 58 54 70 66 Dewpt 64 62 61 61 64 60 59 60 63 61 60 60 60 54 50 48 46 43 PWind Dir SW SW SW SW SW SW W NW NW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B1 B1 B1 B1 B1 SC SC B1 B1 B1 B1 B1 B1 SC FW FW FW FW PoP 12hr 30 20 40 10 40 50 50 10 10 Rain shwrs C S C C C C C C C C Tstms S S C S $$ TNZ099-270800- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 221 PM EDT Sat Apr 26 2025 Date 04/26/25 Sun 04/27/25 Mon 04/28/25 Tue EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 53 77 57 81 63 Temp 80 73 66 59 56 55 65 73 76 71 64 61 59 60 71 78 80 76 69 66 64 64 Dewpt 62 61 59 56 53 51 53 54 52 54 54 52 52 53 55 58 58 58 60 59 58 60 RH 54 66 78 90 90 86 65 51 43 55 70 72 78 78 57 50 47 54 73 78 81 87 Wind Dir NW N N N N NE NE NE NE NE NE NE E SE S S S SE S S S S Wind Spd 5 6 4 6 6 8 8 5 5 3 2 1 1 2 5 8 8 5 4 3 3 4 Clouds B1 FW FW SC SC B1 SC SC SC SC SC SC SC SC SC SC FW SC FW FW B1 B2 PoP 12hr 0 0 5 10 0 QPF 12hr 0 0 0 0 0 Date 04/29 Wed 04/30/25 Thu 05/01/25 Fri 05/02/25 Sat 05/03/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 84 63 86 64 85 64 81 55 77 Temp 80 77 67 65 84 79 67 65 82 77 67 65 78 73 61 56 73 69 Dewpt 64 64 62 63 62 62 62 62 62 61 61 62 60 56 52 50 47 46 PWind Dir S S SW S S SW W NW N Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B1 B1 B1 SC B1 SC B1 B1 B1 B1 B1 B1 B1 SC FW FW FW FW PoP 12hr 10 10 20 10 40 50 40 10 10 Rain shwrs S S S C C C C C Tstms C $$ NCZ060-270800- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 221 PM EDT Sat Apr 26 2025 Date 04/26/25 Sun 04/27/25 Mon 04/28/25 Tue 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 49 77 55 77 56 Temp 77 70 62 56 51 51 66 75 75 69 62 59 58 57 66 74 75 70 63 60 59 59 Dewpt 58 56 55 52 51 50 54 51 50 51 53 52 52 50 49 49 51 49 52 52 52 54 RH 52 61 78 86100 96 65 43 41 53 72 78 80 77 54 41 43 47 67 75 78 83 Max/Min RH 100 40 83 41 83 Wind Dir NW NW NW W NW S SW W W W SE SE SE SE SE SE S SE SE SE SE SE Wind Dir Deg 29 31 30 28 31 16 23 28 28 27 13 12 12 12 14 15 16 15 13 13 13 14 Wind Spd 8 6 3 2 1 1 1 4 5 2 1 2 2 2 4 5 5 4 2 2 2 2 Clouds SC FW FW SC SC B1 SC B1 SC SC B2 B1 B1 B1 SC SC FW FW FW SC SC B1 Clouds (%) 32 24 6 26 46 62 50 62 41 43 72 69 54 52 42 34 24 24 17 28 44 61 Vsby 10 10 10 10 10 2 10 10 10 10 10 PoP 12hr 0 5 10 20 0 QPF 12hr 0 0 0 0 0 Rain shwrs S S Obvis PF ChanceThunder 0 5 10 10 0 Max Mix Hgt AGL Mix Hgt 3800 4600 Max Vent Rt 21600 51100 T Wind Dir SW SE T Wind Spd 4 11 ADI 19 44 Max LVORI 8 4 Stability B G F B A F F B A G F Ceiling NONE NONE NONE NONE NONE NONE 23500 NONE 7200 NONE NONE Sta Pres 27.96 27.99 28.03 28.02 28.03 28.06 28.13 28.11 28.10 28.11 28.14 Date 04/29 Wed 04/30/25 Thu 05/01/25 Fri 05/02/25 Sat 05/03/25 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 58 84 59 83 59 77 49 73 Temp 77 72 62 61 81 74 62 61 80 73 64 60 74 68 56 51 70 64 Dewpt 59 58 57 58 57 56 56 57 58 57 57 58 56 53 49 47 43 42 PWind Dir S SE SW SE S S W NW NW Wind Char LT LT LT LT LT LT LT LT LT Avg Clouds B1 B1 B1 B1 B1 SC SC B1 B1 B1 B1 B1 B1 SC SC FW FW FW PoP 12hr 20 5 30 10 40 40 50 10 10 Rain shwrs S S C C C C C C C Tstms 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 $$