925  
FOUS54 KMRX 221739  
PFMMRX  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE MORRISTOWN TN  
138 PM EDT TUE JUL 22 2025  
 
TNZ017-230800-  
TRI CITIES AIRPORT-SULLIVAN TN  
36.50N 82.41W ELEV. 1536 FT  
138 PM EDT TUE JUL 22 2025  
 
DATE 07/22/25 WED 07/23/25 THU 07/24/25 FRI  
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 67 89 65 91 68  
TEMP 83 82 75 71 69 70 80 85 87 82 74 69 66 68 81 87 89 84 76 71 69 71  
DEWPT 70 70 67 66 65 66 68 68 66 66 61 60 61 64 68 68 68 69 68 67 66 67  
RH 65 67 76 84 87 87 67 57 50 58 64 73 84 87 65 53 50 61 76 87 90 87  
WIND DIR N N E E E E SE SE SE SE SE E E E SE S S SE SE SE SE SE  
WIND SPD 3 3 2 2 2 2 3 5 5 5 4 2 2 2 2 3 3 3 2 2 1 1  
CLOUDS SC FW SC FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW  
POP 12HR 10 10 5 10 10  
QPF 12HR 0 0 0 0 0  
RAIN SHWRS S  
HEAT INDEX 88 86 83 88 90 84 90 93 88  
MAX HEAT 90 89 92 91 93 85  
 
DATE 07/25 SAT 07/26/25 SUN 07/27/25 MON 07/28/25 TUE 07/29/25  
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 90 70 89 71 88 70 90 69 91  
TEMP 86 83 72 72 84 81 72 72 83 80 72 72 86 83 71 71 87 84  
DEWPT 71 71 70 70 73 72 70 71 74 73 71 71 72 71 68 68 68 70  
PWIND DIR SW SW SW SW W SW NW E NW  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS FW SC SC SC SC SC SC B1 B1 SC B1 B1 B1 SC FW FW SC FW  
POP 12HR 20 20 40 30 60 30 30 20 20  
RAIN SHWRS S S S C C S C L C C S S  
TSTMS S S S C C S C C C S S  
 

 
 
TNZ071-230800-  
KNOXVILLE MCGHEE TYSON AIRPORT-BLOUNT TN  
35.80N 83.98W ELEV. 979 FT  
138 PM EDT TUE JUL 22 2025  
 
DATE 07/22/25 WED 07/23/25 THU 07/24/25 FRI  
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 71 93 71 94 73  
TEMP 88 86 79 75 73 74 85 90 90 85 79 76 73 73 84 92 92 87 80 77 74 75  
DEWPT 72 70 71 70 69 70 72 72 71 72 70 66 67 66 69 69 68 70 70 70 70 70  
RH 59 59 77 84 87 87 65 56 54 65 74 71 81 79 61 47 46 57 72 79 87 84  
WIND DIR N NE E NE N NE NE NE S NE S S SE E E NE SE S S S S S  
WIND SPD 5 3 2 2 2 1 1 2 3 3 2 2 2 2 2 2 3 3 2 2 2 2  
CLOUDS FW SC FW FW SC SC FW SC SC SC SC FW FW FW FW FW FW SC SC SC SC FW  
POP 12HR 10 20 5 20 10  
QPF 12HR 0 0 0 0 0  
RAIN SHWRS S S S S  
TSTMS S S S  
HEAT INDEX 95 91 91 97 96 91 88 97 96 92 83  
MAX HEAT 95 88 97 99 86 97 97 90  
 
DATE 07/25 SAT 07/26/25 SUN 07/27/25 MON 07/28/25 TUE 07/29/25  
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 92 74 92 74 92 74 94 73 95  
TEMP 90 86 76 75 91 85 77 76 90 85 77 76 91 87 77 76 93 88  
DEWPT 72 72 71 71 74 72 72 72 75 73 73 72 74 72 71 70 70 68  
PWIND DIR SW S SW SW W S NW NE NE  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS FW SC SC SC SC SC SC SC SC SC B1 SC SC SC SC FW FW FW  
POP 12HR 20 20 40 20 50 20 30 10 20  
RAIN SHWRS S S C S S C S C S  
TSTMS S S C S S C S C S  
 

 
 
TNZ036-230800-  
OAK RIDGE-ANDERSON TN  
36.00N 84.24W ELEV. 913 FT  
138 PM EDT TUE JUL 22 2025  
 
DATE 07/22/25 WED 07/23/25 THU 07/24/25 FRI  
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 71 92 72 93 73  
TEMP 88 85 78 74 73 74 85 90 90 84 78 75 73 74 84 91 92 86 79 76 74 75  
DEWPT 73 71 69 68 68 69 73 73 71 71 71 70 67 68 71 71 70 70 69 70 70 71  
RH 61 63 74 82 84 84 67 58 54 65 79 84 81 82 65 52 49 59 72 82 87 87  
WIND DIR N N NE NE NE NE S SE S SE S S SE NE SE SE SE S SW SW SW SW  
WIND SPD 2 2 2 2 2 2 1 2 2 2 1 1 1 1 1 2 2 2 2 2 1 1  
CLOUDS SC FW FW FW SC SC FW FW SC B1 SC SC SC FW FW FW FW FW SC SC SC SC  
POP 12HR 10 10 5 20 10  
QPF 12HR 0 0 0 0 0  
RAIN SHWRS S S S  
TSTMS S S  
HEAT INDEX 96 90 92 98 96 89 89 98 98 91  
MAX HEAT 96 86 98 100 85 98 99 88  
 
DATE 07/25 SAT 07/26/25 SUN 07/27/25 MON 07/28/25 TUE 07/29/25  
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 92 73 92 73 92 73 94 72 95  
TEMP 90 84 76 75 90 84 76 75 90 84 76 75 91 87 76 75 93 87  
DEWPT 73 72 72 72 74 73 72 72 75 73 73 72 74 73 71 71 71 68  
PWIND DIR SW SW SW SW W W N N NE  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS SC SC SC SC SC SC SC B1 B1 B1 SC B1 SC SC SC FW FW FW  
POP 12HR 20 20 40 20 60 20 30 10 20  
RAIN SHWRS S S C S S L S C S  
TSTMS S S C S S L S C S  
 

 
 
TNZ099-230800-  
CHATTANOOGA AIRPORT-HAMILTON TN  
35.03N 85.22W ELEV. 688 FT  
138 PM EDT TUE JUL 22 2025  
 
DATE 07/22/25 WED 07/23/25 THU 07/24/25 FRI  
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 73 92 72 93 73  
TEMP 89 85 80 76 75 76 85 88 88 84 78 76 74 74 83 90 90 86 79 76 74 75  
DEWPT 73 73 74 73 72 72 74 74 74 73 72 70 68 69 72 72 72 72 73 73 72 72  
RH 59 67 82 90 90 87 70 63 63 70 82 82 82 84 70 56 56 63 82 90 93 90  
WIND DIR N N N N N NE SE SE SE SE SE SE E E SE SE SE SE SE SE S S  
WIND SPD 5 3 2 1 1 1 2 4 5 4 2 1 1 1 3 5 6 4 2 2 2 2  
CLOUDS SC SC FW FW SC FW SC SC SC SC FW FW FW FW FW FW FW SC FW FW SC SC  
POP 12HR 10 30 5 30 10  
QPF 12HR 0 0.01 0 0 0  
RAIN SHWRS C C S C C  
TSTMS C S C C  
HEAT INDEX 97 92 85 93 97 97 90 88 97 97 92  
MAX HEAT 99 90 98 98 86 97 99 90  
 
DATE 07/25 SAT 07/26/25 SUN 07/27/25 MON 07/28/25 TUE 07/29/25  
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 92 74 92 75 94 75 95 75 98  
TEMP 89 85 76 75 89 84 77 76 90 85 77 77 93 88 78 76 94 89  
DEWPT 73 73 73 72 74 74 73 73 74 74 74 74 75 73 72 72 72 72  
PWIND DIR S S SW SW W NW NW N N  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS SC SC SC SC SC SC SC FW SC SC SC SC SC SC SC FW FW FW  
POP 12HR 40 10 40 10 50 10 40 10 20  
RAIN SHWRS C C S C C S  
TSTMS C C S C C S  
 

 
 
NCZ060-230800-  
TUSQUITEE RAWS-FORESTRY-CHEROKEE NC  
35.07N 84.12W ELEV. 1600 FT  
138 PM EDT TUE JUL 22 2025  
 
DATE 07/22/25 WED 07/23/25 THU 07/24/25 FRI  
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 67 87 64 90 67  
TEMP 87 80 72 71 69 70 80 83 85 79 72 69 66 67 80 86 86 79 72 70 69 69  
DEWPT 71 71 70 69 67 68 71 69 68 67 65 62 62 63 70 68 68 69 69 68 67 68  
RH 59 74 93 93 93 93 74 63 57 67 79 78 87 87 72 55 55 72 90 93 93 97  
MAX/MIN RH 97 57 90 53 97  
WIND DIR N N E SE E E SE SE SE E SE E E E SE SE SE SE SE SE SE SE  
WIND DIR DEG 33 34 10 12 11 10 12 14 13 11 12 11 10 11 12 13 14 14 12 12 12 14  
WIND SPD 3 2 1 1 1 2 3 4 4 3 2 2 2 2 3 5 5 3 2 1 1 1  
CLOUDS SC SC SC FW SC SC SC SC SC SC FW FW FW FW FW FW FW FW FW FW SC B1  
CLOUDS (%) 42 30 34 24 38 30 32 46 40 35 21 9 23 18 19 25 25 24 19 23 44 56  
VSBY 10 10 10 10 7 7 10 10 10 10 10 10  
POP 12HR 30 50 5 40 30  
QPF 12HR 0 0.01 0 0.04 0.01  
RAIN SHWRS C C S C C C C C C S  
TSTMS C C C C C  
HEAT INDEX 93 83 83 87 88 83 89 89  
MAX HEAT 94 87 88 89 91  
CHANCETHUNDER 30 40 5 30 30  
MAX MIX HGT  
AGL MIX HGT 4300 4900  
MAX VENT RT 34300 53600  
T WIND DIR SE SE  
T WIND SPD 9 10  
ADI 34 54  
MAX LVORI 8 6  
STABILITY A G G A A G G B A G F  
CEILING NONE NONE NONE NONE NONE NONE NONE 8900 NONE NONE NONE  
STA PRES 27.92 27.97 28.02 28.03 28.01 28.04 28.08 28.04 28.03 28.03 28.04  
 
DATE 07/25 SAT 07/26/25 SUN 07/27/25 MON 07/28/25 TUE 07/29/25  
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 89 68 90 68 92 69 93 68 94  
TEMP 85 79 71 70 86 79 71 70 87 80 71 70 89 81 71 69 91 83  
DEWPT 71 71 69 68 71 71 69 69 73 71 71 69 70 71 69 67 67 68  
PWIND DIR S SE W W NW NW NW N N  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC FW FW FW  
POP 12HR 50 20 50 20 60 20 40 20 30  
RAIN SHWRS S C S S C S S L S C S C  
TSTMS C S S C S S L S C S 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  
 

 
 
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