Point Forecast Matrices
Issued by NWS Knoxville/Tri Cities, TN
Issued by NWS Knoxville/Tri Cities, TN
900 FOUS54 KMRX 080832 PFMMRX Point Forecast Matrices National Weather Service Morristown TN 332 AM EST Mon Dec 8 2025 TNZ017-082100- Tri Cities Airport-Sullivan TN 36.50N 82.41W Elev. 1536 ft 332 AM EST Mon Dec 8 2025 Date Mon 12/08/25 Tue 12/09/25 Wed 12/10/25 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 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 40 25 43 30 50 Temp 37 36 37 39 38 34 30 29 27 27 32 41 43 37 33 32 32 33 40 48 48 44 Dewpt 35 36 37 38 35 31 28 27 26 26 29 30 29 29 28 27 27 26 31 34 35 36 RH 92100100 96 89 89 92 92 96 96 88 65 57 72 82 81 81 75 70 58 60 73 Wind Dir N N N N N N N NW SW SW SW SW SW SW SW SW SW SW SW SW W W Wind Spd 1 2 2 3 4 2 1 1 1 2 3 8 8 4 3 3 5 8 14 19 18 13 Wind Gust 18 26 29 24 Clouds OV OV OV OV OV OV B2 B2 B2 B2 B1 SC SC FW FW SC SC B1 B1 B1 B2 B2 PoP 12hr 90 10 0 0 10 QPF 12hr 0.17 0 0 0 0 Rain shwrs C D C L S C Snowshwrs C Wind chill 26 26 32 37 Min chill 35 34 31 28 24 24 32 27 25 27 36 Date Thu 12/11/25 Fri 12/12/25 Sat 12/13/25 Sun 12/14/25 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 29 40 29 43 21 32 17 33 Temp 35 30 38 36 32 30 41 37 28 21 30 26 20 18 30 27 Dewpt 31 27 29 29 29 28 30 28 24 18 14 12 11 12 14 12 PWind Dir W W SW W W W N NW Wind Char GN LT LT GN GN GN LT LT Avg Clouds B1 B2 B2 B2 B2 B2 B1 B1 B1 B1 SC FW SC B1 SC SC PoP 12hr 30 20 30 20 30 5 5 5 Rain shwrs C S C S S S C Snowshwrs C S S C $$ TNZ071-082100- Knoxville McGhee Tyson Airport-Blount TN 35.80N 83.98W Elev. 979 ft 332 AM EST Mon Dec 8 2025 Date Mon 12/08/25 Tue 12/09/25 Wed 12/10/25 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 44 27 49 37 54 Temp 40 39 41 43 42 38 35 33 29 29 35 46 49 43 39 39 39 39 45 52 52 48 Dewpt 39 39 40 40 36 33 31 30 29 27 31 32 31 32 30 30 30 30 33 35 37 38 RH 96100 96 89 79 82 85 89100 92 85 58 50 65 70 70 70 70 62 52 56 68 Wind Dir W W NW NW N N N N SW SW SW SW SW SW SW SW SW SW SW SW SW W Wind Spd 1 2 3 5 5 5 2 1 1 1 4 10 11 9 10 10 13 14 19 21 18 10 Wind Gust 20 25 26 29 20 Clouds OV OV OV OV B2 B2 B1 B1 B1 B1 SC SC SC FW FW SC SC B1 B1 B1 B1 B2 PoP 12hr 40 0 0 0 5 QPF 12hr 0.04 0 0 0 0 Rain shwrs L S C C Wind chill 32 32 31 31 37 Min chill 38 38 34 33 28 26 38 31 29 33 Date Thu 12/11/25 Fri 12/12/25 Sat 12/13/25 Sun 12/14/25 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 31 46 33 48 25 37 20 37 Temp 38 31 44 42 38 34 46 42 33 25 34 30 24 20 34 31 Dewpt 33 29 30 31 31 31 32 31 27 20 17 15 14 14 17 15 PWind Dir W W SW W W N NE N Wind Char LT LT LT LT LT LT LT LT Avg Clouds B1 B1 B1 B1 B1 B2 B1 SC SC SC SC FW SC SC SC SC PoP 12hr 10 10 20 20 10 5 5 5 Rain shwrs S S $$ TNZ036-082100- Oak Ridge-Anderson TN 36.00N 84.24W Elev. 913 ft 332 AM EST Mon Dec 8 2025 Date Mon 12/08/25 Tue 12/09/25 Wed 12/10/25 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 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 44 26 47 36 54 Temp 39 38 41 43 42 37 33 31 28 28 34 44 47 41 38 37 38 38 43 52 52 46 Dewpt 39 38 40 38 35 32 30 29 28 27 30 32 32 32 31 31 32 31 35 37 38 38 RH 100100 96 82 76 82 89 92100 96 85 62 56 70 76 79 79 76 73 56 59 73 Wind Dir N N N N N N NE NE SW SW SW SW SW SW SW SW SW SW SW SW SW W Wind Spd 2 2 4 5 5 2 2 1 1 1 3 8 9 5 5 6 10 10 13 16 13 5 Wind Gust 16 19 20 25 26 27 26 18 Clouds OV OV OV B2 B2 B1 B1 B1 B1 B1 B1 SC FW FW FW SC B1 B1 B1 B1 B1 B1 PoP 12hr 30 0 0 0 5 QPF 12hr 0.02 0 0 0 0 Rain shwrs C S S S Wind chill 31 31 36 Min chill 38 38 36 31 27 26 37 32 30 32 Date Thu 12/11/25 Fri 12/12/25 Sat 12/13/25 Sun 12/14/25 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 31 45 31 48 23 36 19 37 Temp 38 31 43 40 35 32 45 41 30 24 33 28 22 19 34 30 Dewpt 31 28 30 31 31 30 32 30 25 17 15 13 13 13 15 15 PWind Dir W W W W NW N N N Wind Char LT LT LT LT LT LT LT LT Avg Clouds B1 B2 B1 B1 B2 B2 B1 SC SC SC SC FW SC SC SC FW PoP 12hr 20 10 20 20 20 0 5 5 Rain shwrs S S S S Snowshwrs S $$ TNZ099-082100- Chattanooga Airport-Hamilton TN 35.03N 85.22W Elev. 688 ft 332 AM EST Mon Dec 8 2025 Date Mon 12/08/25 Tue 12/09/25 Wed 12/10/25 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 48 28 51 36 57 Temp 42 41 45 47 46 40 36 34 31 30 37 48 51 44 38 37 36 37 45 55 56 49 Dewpt 41 41 41 38 36 34 33 32 30 29 31 32 32 33 33 33 33 33 36 38 39 40 RH 96100 86 71 68 79 89 92 96 96 79 54 48 65 82 85 89 85 70 53 53 71 Wind Dir NW NW NW NW N N N NW NW S S S S S S S S S SW SW W W Wind Spd 1 2 5 9 10 5 3 1 1 1 2 6 8 5 5 5 6 9 12 13 12 5 Wind Gust 17 23 24 Clouds OV B2 SC B1 SC SC B1 B1 SC SC FW FW FW FW FW FW FW SC B1 B1 B1 B1 PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Rain shwrs C Wind chill 30 30 39 Min chill 39 36 33 28 29 32 30 32 Date Thu 12/11/25 Fri 12/12/25 Sat 12/13/25 Sun 12/14/25 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 33 50 34 53 26 42 24 42 Temp 41 33 48 45 38 35 51 44 32 26 38 35 26 24 38 34 Dewpt 36 31 30 34 33 33 35 33 28 21 17 18 16 16 18 18 PWind Dir NW W SW W NW N N N Wind Char LT LT LT LT LT GN LT LT Avg Clouds SC SC SC SC B1 SC SC SC SC SC FW FW FW SC FW FW PoP 12hr 5 5 10 10 5 0 5 5 $$ NCZ060-082100- Tusquitee RAWS-Forestry-Cherokee NC 35.07N 84.12W Elev. 1600 ft 332 AM EST Mon Dec 8 2025 Date Mon 12/08/25 Tue 12/09/25 Wed 12/10/25 EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 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 44 25 49 29 53 Temp 38 38 41 43 42 37 33 30 27 27 34 46 48 40 34 32 30 30 40 51 51 46 Dewpt 37 37 40 38 36 33 31 29 27 27 30 30 29 30 29 29 27 28 32 33 35 36 RH 96 96 96 82 79 85 92 96100100 85 53 47 67 82 88 88 92 73 50 54 68 Min/Max RH 79 100 47 92 50 Wind Dir N NW NW NW NW NW NW N N N SE SW SW S S S S S SW SW W W Wind Dir Deg 0 29 30 30 31 31 30 0 0 0 15 20 20 18 16 16 17 18 21 23 24 26 Wind Spd 0 1 3 5 6 3 2 0 0 0 2 3 4 2 2 2 2 3 6 10 10 5 Wind Gust 18 17 Clouds OV OV B2 B2 B2 B1 SC SC B1 B2 SC SC FW FW FW FW SC SC SC SC B1 B1 Clouds (%) 99 94 84 86 86 68 33 34 54 70 46 26 21 9 8 17 31 36 41 47 56 62 Vsby 5 7 7 7 10 8 7 7 7 7 10 10 PoP 12hr 20 0 0 0 0 QPF 12hr 0.01 0 0 0 0 Rain shwrs D S S S ChanceThunder 5 0 0 0 0 Max Mix Hgt AGL Mix Hgt 2300 2800 2800 Max Vent Rt 33900 19800 53400 T Wind Dir NW SW SW T Wind Spd 12 6 14 ADI 34 21 46 Max LVORI 9 10 6 Stability D C B G F B B G G C C Ceiling 23500 23500 23500 15900 NONE 17100 NONE NONE NONE NONE NONE Sta Pres 27.85 27.89 27.96 27.97 27.98 27.92 27.90 27.85 27.79 27.68 27.72 Date Thu 12/11/25 Fri 12/12/25 Sat 12/13/25 Sun 12/14/25 EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 29 47 29 50 22 41 20 42 Temp 38 30 46 40 34 30 49 40 29 22 38 33 24 20 38 32 Dewpt 34 27 28 29 29 28 32 31 26 20 17 16 16 14 19 18 PWind Dir NW NW NW NW NW NW NW NW Wind Char LT LT LT LT LT LT LT LT Avg Clouds B1 B1 B1 SC SC B1 B1 SC SC SC FW FW FW SC SC FW PoP 12hr 10 10 20 10 10 0 5 5 Rain shwrs S S Snowshwrs 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 $$