424  
FOUS55 KTFX 161003  
PFMTFX  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
403 AM MDT THU AUG 16 2018  
 
MTZ012-162300-  
GREAT FALLS-CASCADE MT  
47.47N 111.38W ELEV. 3663 FT  
403 AM MDT THU AUG 16 2018  
 
DATE THU 08/16/18 FRI 08/17/18 SAT 08/18/18  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
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 94 58 95 60 82  
TEMP 57 70 85 92 93 80 69 63 58 73 88 95 91 78 69 65 60 67 76 81 80  
DEWPT 36 36 36 31 30 32 39 39 41 41 38 36 35 41 47 48 49 53 50 49 49  
RH 45 29 17 11 11 17 33 41 53 31 17 13 14 27 45 54 67 61 40 33 34  
WIND DIR SW SW SW SW SW NW W SW SW SW W SW NW SW SW SW SW W NW N N  
WIND SPD 6 5 4 4 6 6 6 6 6 5 3 5 8 8 8 9 8 11 11 11 9  
CLOUDS CL CL FW SC B1 B1 SC SC FW FW FW SC SC B2 B2 B2 B2 B2 B1 B1 B1  
POP 12HR 0 0 0 30 40  
QPF 12HR 0 0 0 0.04 0.08  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C C C C C C C  
TSTMS C C C C C C C C C  
OBVIS K K K K K K K K K K K K K K K K  
HEAT INDEX 80  
MAX HEAT 82 89 85 84 90 84 80  
 
DATE SUN 08/19/18 MON 08/20/18 TUE 08/21/18 WED 08/22/18  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 54 78 51 76 49 82 53 89  
TEMP 64 54 74 76 60 51 65 76 59 49 72 82 63 54 82 87  
DEWPT 49 47 52 49 50 48 52 49 49 45 48 43 46 44 47 42  
PWIND DIR NE E NE N E S SE SW  
WIND CHAR LT LT GN LT GN LT LT LT  
AVG CLOUDS B1 SC SC B1 B1 B1 B1 B1 SC SC SC FW FW FW FW FW  
POP 12HR 30 20 40 30 10 5 0 0  
RAIN SHWRS C S S C C C C  
TSTMS C S S C C C C  
 

 
MTZ010-162300-  
CUT BANK-GLACIER MT  
48.60N 112.39W ELEV. 3838 FT  
403 AM MDT THU AUG 16 2018  
 
DATE THU 08/16/18 FRI 08/17/18 SAT 08/18/18  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
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 90 54 91 57 80  
TEMP 53 65 82 89 89 76 65 57 55 71 88 91 87 77 66 59 57 66 74 79 78  
DEWPT 40 45 43 36 35 35 39 40 41 46 37 36 38 43 44 46 47 50 48 45 46  
RH 61 48 25 15 15 22 38 53 59 41 16 14 18 30 45 62 69 56 40 30 32  
WIND DIR NW NW NW W W W W W W W SW SW W W W W NW NW N N N  
WIND SPD 6 6 3 5 10 9 8 6 5 4 5 10 12 9 9 8 9 11 16 12 11  
CLOUDS FW SC SC B1 SC FW CL FW FW FW SC SC SC SC B1 B1 B1 SC SC SC SC  
POP 12HR 0 5 10 10 20  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S C  
TSTMS S S C  
OBVIS K K K K K K K K K K K K K K K K  
 
DATE SUN 08/19/18 MON 08/20/18 TUE 08/21/18 WED 08/22/18  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 52 73 47 74 46 81 49 87  
TEMP 60 52 67 72 55 47 65 74 54 47 72 80 59 50 79 86  
DEWPT 44 44 48 48 47 45 47 45 44 43 44 41 43 42 43 41  
PWIND DIR NE NE NE NE E S S SW  
WIND CHAR GN GN GN LT GN LT GN GN  
AVG CLOUDS B1 B1 B1 B1 B1 B1 B1 SC SC FW FW FW FW FW FW FW  
POP 12HR 30 20 40 30 10 0 0 0  
RAIN SHWRS C S S S C C C S  
TSTMS C S S S C C C S  
 

 
MTZ014-162300-  
HELENA-LEWIS & CLARK MT  
46.61N 111.96W ELEV. 3893 FT  
403 AM MDT THU AUG 16 2018  
 
DATE THU 08/16/18 FRI 08/17/18 SAT 08/18/18  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
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 58 92 59 80  
TEMP 58 66 80 90 91 79 70 64 58 67 82 92 87 74 68 63 59 61 70 78 79  
DEWPT 34 38 37 35 35 39 39 38 41 44 43 42 43 50 49 50 50 51 53 50 51  
RH 40 36 21 14 14 24 32 38 53 43 25 18 21 43 51 62 72 70 55 37 38  
WIND DIR SW NE E E N W W W SW W E E W SW SW SW SW W NW NW N  
WIND SPD 2 1 3 6 6 5 4 2 3 2 4 6 8 6 4 4 3 4 6 10 8  
CLOUDS CL FW FW B1 B2 B2 SC SC FW FW SC SC B2 B2 B2 B2 B2 B2 B2 B2 B1  
POP 12HR 0 10 5 50 60  
QPF 12HR 0 0 0 0.07 0.13  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C C L L C C C  
TSTMS S S C C C C L L C C C  
OBVIS K K K K K K K K K K K K K K K K  
 
DATE SUN 08/19/18 MON 08/20/18 TUE 08/21/18 WED 08/22/18  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 55 79 54 76 52 82 55 88  
TEMP 65 55 74 78 63 54 68 76 61 52 72 82 65 55 77 88  
DEWPT 52 48 51 49 51 47 51 46 48 45 48 44 45 44 48 43  
PWIND DIR W NE N N N E SE SW  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS B1 SC SC SC B1 B1 B1 B1 B1 SC SC FW SC FW FW FW  
POP 12HR 30 5 50 30 30 20 0 0  
RAIN SHWRS C S C C C S C S S  
TSTMS C S C C C S C S S  
 

 
MTZ055-162300-  
BOZEMAN-GALLATIN MT  
45.78N 111.16W ELEV. 4475 FT  
403 AM MDT THU AUG 16 2018  
 
DATE THU 08/16/18 FRI 08/17/18 SAT 08/18/18  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
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 89 52 89 53 75  
TEMP 47 62 79 87 88 72 62 55 52 66 81 89 85 69 63 56 53 60 68 73 74  
DEWPT 36 39 38 34 34 43 43 43 42 44 42 38 42 49 50 49 48 50 52 50 53  
RH 65 43 23 15 15 35 50 64 69 45 25 17 22 49 62 77 83 69 57 44 48  
WIND DIR SE SE NW NW N SE S S S S NW NW SW SW SW S S W NW NW NW  
WIND SPD 4 2 2 4 4 4 5 4 4 3 3 4 8 6 4 4 5 4 6 8 6  
CLOUDS CL FW FW SC B1 B1 SC SC FW FW FW SC B2 B2 B2 B2 B2 B2 B2 B2 B2  
POP 12HR 0 10 5 50 60  
QPF 12HR 0 0 0 0.07 0.13  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C C L L L L C  
TSTMS S S C C C C L L L L C  
OBVIS K K K K K K K K K K K K K K K K  
 
DATE SUN 08/19/18 MON 08/20/18 TUE 08/21/18 WED 08/22/18  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 49 78 49 75 48 80 49 85  
TEMP 59 49 72 77 57 50 68 74 58 48 72 79 60 50 76 84  
DEWPT 49 45 50 49 47 45 51 51 51 45 50 47 47 42 49 45  
PWIND DIR S E E NE E E SE SW  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS B1 SC SC SC SC B1 B1 B1 B1 SC SC SC SC FW FW FW  
POP 12HR 30 5 20 20 30 20 0 0  
RAIN SHWRS C S S S S C S S  
TSTMS C S S S S C S S  
 

 
MTZ055-162300-  
WEST YELLOWSTONE-GALLATIN MT  
44.66N 111.11W ELEV. 6700 FT  
403 AM MDT THU AUG 16 2018  
 
DATE THU 08/16/18 FRI 08/17/18 SAT 08/18/18  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
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 81 41 81 42 68  
TEMP 31 51 74 80 79 65 53 46 41 56 76 81 77 63 53 45 42 55 66 67 65  
DEWPT 22 30 27 21 24 34 38 38 37 42 41 37 39 47 48 44 41 47 44 44 42  
RH 69 44 17 11 13 31 57 73 85 59 28 21 25 56 83 96 96 74 45 43 43  
WIND DIR E E S SW SW SW W SE SE S SW SW SW NW SW SE SW W W NW N  
WIND SPD 2 1 2 6 5 2 2 2 1 1 4 9 9 4 5 2 1 2 8 11 8  
CLOUDS CL FW SC SC SC B1 SC SC FW FW SC SC B1 B1 B2 B2 B1 SC B1 B2 B1  
POP 12HR 0 5 10 60 60  
QPF 12HR 0 0 0 0.07 0.11  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C L L L L L L S  
TSTMS S S C C L L L L L L S  
OBVIS K K K K K K K K K K K K K K K K  
 
DATE SUN 08/19/18 MON 08/20/18 TUE 08/21/18 WED 08/22/18  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 37 72 38 74 37 76 39 77  
TEMP 50 37 67 70 51 39 70 70 51 38 71 73 51 40 71 74  
DEWPT 46 36 43 38 42 36 44 41 45 36 43 40 43 36 44 39  
PWIND DIR N SE S SE NE S S S  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS B1 FW FW SC SC SC SC SC B1 SC SC FW SC FW FW FW  
POP 12HR 20 20 10 20 10 5 5 10  
RAIN SHWRS S S S S  
TSTMS S S S S  
 

 
MTZ008-162300-  
DILLON-BEAVERHEAD MT  
45.26N 112.55W ELEV. 5357 FT  
403 AM MDT THU AUG 16 2018  
 
DATE THU 08/16/18 FRI 08/17/18 SAT 08/18/18  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
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 51 86 50 74  
TEMP 43 56 75 85 84 71 59 56 51 63 79 86 77 67 59 55 50 57 67 72 74  
DEWPT 28 38 35 25 21 35 37 38 40 47 43 40 46 49 49 49 46 48 49 48 46  
RH 55 51 23 11 10 27 44 51 66 56 28 20 33 52 69 80 86 72 52 42 37  
WIND DIR S SW N NW NE SE S S S SW W SW SW S SW SW SW W NW NW N  
WIND SPD 6 4 2 4 8 6 5 5 6 5 3 6 11 6 6 6 6 5 6 10 9  
CLOUDS FW SC B1 B1 B2 B1 SC SC FW FW SC B1 B2 B2 B2 B1 B1 B1 B1 B2 B1  
POP 12HR 0 10 20 60 50  
QPF 12HR 0 0 0 0.09 0.11  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S L L L L C C C C S  
TSTMS S S S S L L L L C C C C S  
OBVIS K K K K K K K K K K K K K K K K  
 
DATE SUN 08/19/18 MON 08/20/18 TUE 08/21/18 WED 08/22/18  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 47 78 48 75 46 78 48 82  
TEMP 55 47 69 77 57 48 67 74 55 47 68 78 56 49 73 81  
DEWPT 45 42 47 42 45 43 48 46 46 43 43 41 41 41 46 41  
PWIND DIR E NE NE NE NE N S SW  
WIND CHAR LT LT LT LT GN LT LT LT  
AVG CLOUDS SC FW FW SC SC SC SC SC SC SC SC FW SC FW SC FW  
POP 12HR 20 5 10 10 30 0 5 5  
RAIN SHWRS S C  
TSTMS S C  
 

 
MTZ011-162300-  
HAVRE-HILL MT  
48.54N 109.76W ELEV. 2585 FT  
403 AM MDT THU AUG 16 2018  
 
DATE THU 08/16/18 FRI 08/17/18 SAT 08/18/18  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
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 94 57 96 59 85  
TEMP 55 68 84 93 92 78 70 62 57 69 87 94 94 80 70 63 59 68 80 84 83  
DEWPT 39 41 41 37 35 40 43 44 45 45 42 38 36 42 43 46 48 49 51 49 47  
RH 55 37 22 14 13 26 38 52 64 42 21 14 13 26 38 54 67 51 36 30 28  
WIND DIR W SW SW SW SW S S S SW SW W W W S SW W W W N N N  
WIND SPD 4 5 5 5 6 5 5 5 5 5 8 8 8 6 5 8 6 9 12 13 10  
CLOUDS CL CL CL FW SC SC SC SC FW FW FW FW SC SC B1 SC B1 B1 B1 B1 SC  
POP 12HR 0 0 0 10 20  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S  
TSTMS S S S  
OBVIS K K K K K K K K K K K K K K K K  
HEAT INDEX 80  
MAX HEAT 82 89 85 84 91 87 80 82  
 
DATE SUN 08/19/18 MON 08/20/18 TUE 08/21/18 WED 08/22/18  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 54 77 51 76 49 85 52 90  
TEMP 63 54 72 76 61 51 66 76 59 50 74 85 63 53 81 89  
DEWPT 44 43 45 44 49 46 49 44 47 43 48 43 46 45 51 43  
PWIND DIR NE E E NE E SE SE S  
WIND CHAR LT GN GN LT LT LT LT LT  
AVG CLOUDS SC B1 B1 B1 B1 B2 B2 B1 SC FW FW FW FW FW FW FW  
POP 12HR 20 10 20 30 0 0 0 0  
RAIN SHWRS S S C C  
TSTMS S S C C  
 

 
MTZ051-162300-  
LEWISTOWN-FERGUS MT  
47.05N 109.46W ELEV. 4144 FT  
403 AM MDT THU AUG 16 2018  
 
DATE THU 08/16/18 FRI 08/17/18 SAT 08/18/18  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
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 89 58 90 58 75  
TEMP 51 67 84 88 88 74 66 60 59 70 85 90 86 75 66 61 58 63 71 73 72  
DEWPT 38 43 39 35 36 45 46 43 45 45 40 38 42 47 49 48 49 51 51 52 51  
RH 61 42 20 15 16 35 48 53 60 41 20 16 21 37 54 62 72 65 49 48 48  
WIND DIR S W N NE E SE SE S S W N N N S SW SW W W W NW NW  
WIND SPD 5 2 4 4 4 5 6 5 6 3 4 5 6 5 8 5 6 6 10 11 6  
CLOUDS CL CL CL FW SC SC SC SC SC FW FW FW SC B1 B2 B2 B2 B2 B2 B2 B2  
POP 12HR 0 0 5 30 50  
QPF 12HR 0 0 0 0.04 0.12  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C C C C C C C C  
TSTMS C C C C C C C C C  
OBVIS K K K K K K K K K K K K K K K K  
 
DATE SUN 08/19/18 MON 08/20/18 TUE 08/21/18 WED 08/22/18  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 51 73 49 71 48 77 51 84  
TEMP 57 51 71 71 56 49 63 71 54 49 70 76 59 52 78 82  
DEWPT 49 46 48 48 49 46 48 47 47 45 48 46 47 44 47 46  
PWIND DIR SW SE SE E E SE SE SW  
WIND CHAR LT LT GN LT LT LT LT LT  
AVG CLOUDS B1 B1 SC B1 B1 B2 B2 B1 SC SC SC FW SC FW FW FW  
POP 12HR 40 20 50 30 20 20 0 0  
RAIN SHWRS C S S C C C C S S S  
TSTMS C S S C C C C S S S  
 

 
HTTP://WWW.WEATHER.GOV/GREATFALLS  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab MT Page Main Text Page