450  
FOUS55 KTFX 200321  
PFMTFX  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
921 PM MDT THU SEP 19 2024  
 
MTZ312-201000-  
GREAT FALLS-CASCADE MT  
47.47N 111.38W ELEV. 3663 FT  
921 PM MDT THU SEP 19 2024  
 
DATE 09/19/24 FRI 09/20/24 SAT 09/21/24 SUN  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
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 69 38 62 39  
TEMP 55 53 53 57 66 67 60 49 46 43 39 43 55 61 61 51 46 41 40  
DEWPT 43 42 42 42 37 34 37 40 40 39 38 39 39 40 40 38 37 34 33  
RH 64 66 66 57 34 29 42 71 79 86 96 86 55 46 46 61 71 76 76  
WIND DIR SW SW SW SW W W NW N NW W SW SW S SE E E S SW SW  
WIND SPD 11 12 13 18 24 21 19 13 6 6 4 4 4 5 5 5 5 5 6  
WIND GUST 32  
CLOUDS FW FW B1 FW CL FW SC SC SC SC SC FW FW FW SC SC FW FW FW  
POP 12HR 0 10 20 0 0  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN S S S  
 
DATE 09/22/24 MON 09/23/24 TUE 09/24/24 WED 09/25/24 THU 09/26/24  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 73 49 70 45 76 49 81 49 78  
TEMP 65 69 55 50 62 69 52 46 69 74 56 50 73 77 58 50 72 74  
DEWPT 39 41 39 37 43 47 43 40 48 50 46 42 49 50 45 43 47 45  
PWIND DIR SW SW W SW SW S SW SW SW  
WIND CHAR GN GN GN LT GN GN GN GN GN  
AVG CLOUDS FW SC B1 B2 B2 SC SC SC FW CL FW FW FW FW FW SC SC FW  
POP 12HR 0 20 20 0 0 0 0 0 0  
RAIN S S  
 

 
MTZ303-201000-  
CUT BANK-GLACIER MT  
48.60N 112.39W ELEV. 3838 FT  
921 PM MDT THU SEP 19 2024  
 
DATE 09/19/24 FRI 09/20/24 SAT 09/21/24 SUN  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
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 46 61 34 61 36  
TEMP 52 50 48 52 61 56 50 43 40 38 35 39 53 59 60 48 43 39 37  
DEWPT 43 41 39 38 37 39 38 38 38 36 34 35 35 34 34 35 34 32 30  
RH 71 71 71 59 41 53 63 82 92 92 96 85 50 39 37 60 70 76 75  
WIND DIR SW W W W NW NW NW NW W W W W S S S S S SW W  
WIND SPD 11 12 12 16 20 21 19 12 9 6 5 5 9 10 10 9 8 8 6  
WIND GUST 26 32 33 29  
CLOUDS SC SC FW CL B1 B2 B2 B1 SC SC SC FW FW SC SC SC FW SC SC  
POP 12HR 0 60 70 0 0  
QPF 12HR 0 0.01 0.01 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN C C L C S  
 
DATE 09/22/24 MON 09/23/24 TUE 09/24/24 WED 09/25/24 THU 09/26/24  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 70 46 68 45 76 47 78 47 74  
TEMP 63 66 52 47 63 67 51 46 68 74 54 48 72 74 55 48 70 71  
DEWPT 34 36 37 36 41 40 41 39 44 45 45 42 46 44 44 40 43 40  
PWIND DIR SW W W W W SW SW SW W  
WIND CHAR GN GN GN GN GN GN GN GN GN  
AVG CLOUDS SC SC B2 B2 SC SC SC FW FW FW FW FW FW FW SC SC SC FW  
POP 12HR 0 30 10 0 0 0 5 5 5  
RAIN C  
 

 
MTZ319-201000-  
HELENA-LEWIS & CLARK MT  
46.61N 111.96W ELEV. 3893 FT  
921 PM MDT THU SEP 19 2024  
 
DATE 09/19/24 FRI 09/20/24 SAT 09/21/24 SUN  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
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 48 71 39 64 40  
TEMP 57 52 48 53 66 70 66 56 50 45 40 43 53 62 63 56 50 44 41  
DEWPT 41 40 40 43 41 38 36 35 38 37 36 37 39 40 40 36 35 33 32  
RH 55 63 74 69 40 31 33 45 63 73 85 79 59 44 43 47 56 65 70  
WIND DIR SW SW SW SW W W NW NW W W W NE E NE E S S S S  
WIND SPD 9 8 5 8 16 19 19 11 8 4 2 1 2 4 5 5 6 5 5  
WIND GUST 27 31 29  
CLOUDS FW SC B2 SC CL FW FW FW SC FW FW FW FW FW SC SC FW FW FW  
POP 12HR 0 5 5 0 0  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
 
DATE 09/22/24 MON 09/23/24 TUE 09/24/24 WED 09/25/24 THU 09/26/24  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 74 49 70 46 76 49 80 50 79  
TEMP 63 72 58 50 62 67 55 47 64 74 58 50 69 76 61 51 69 76  
DEWPT 42 44 40 38 45 45 41 40 46 50 44 42 50 49 44 42 49 48  
PWIND DIR SW SW W W SW SW S SW W  
WIND CHAR LT GN GN GN LT LT LT GN LT  
AVG CLOUDS FW SC B1 B2 B2 B1 SC FW FW FW FW FW FW FW FW SC FW FW  
POP 12HR 0 20 30 0 0 0 0 0 5  
RAIN S C S  
 

 
MTZ326-201000-  
BOZEMAN-GALLATIN MT  
45.78N 111.16W ELEV. 4475 FT  
921 PM MDT THU SEP 19 2024  
 
DATE 09/19/24 FRI 09/20/24 SAT 09/21/24 SUN  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
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 72 32 63 35  
TEMP 51 49 45 49 62 70 67 54 45 40 35 39 50 59 61 49 44 39 36  
DEWPT 41 43 41 42 44 39 38 35 34 35 32 35 38 39 40 37 36 34 32  
RH 68 80 86 77 52 32 34 48 65 82 89 85 63 47 46 63 73 82 85  
WIND DIR SE SE SE S W W NW NW W SW S SE NW NW NW E E SE SE  
WIND SPD 8 6 5 6 10 14 14 9 4 3 2 2 2 3 3 3 4 3 3  
WIND GUST 25  
CLOUDS SC FW SC FW FW FW FW FW SC FW FW FW FW FW FW SC SC FW FW  
POP 12HR 0 5 0 0 0  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
 
DATE 09/22/24 MON 09/23/24 TUE 09/24/24 WED 09/25/24 THU 09/26/24  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 71 43 68 40 73 43 78 45 76  
TEMP 60 69 52 44 59 65 49 41 62 71 53 44 67 73 54 46 67 71  
DEWPT 40 42 41 39 43 43 42 38 44 46 43 40 46 46 42 39 45 45  
PWIND DIR SW SW SW SW SW SE S S SW  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS FW SC SC B1 B2 B1 SC SC FW FW FW FW FW FW FW FW FW FW  
POP 12HR 0 20 30 5 0 0 0 0 5  
RAIN S C S  
 

 
MTZ330-201000-  
WEST YELLOWSTONE-GALLATIN MT  
44.69N 111.11W ELEV. 6644 FT  
921 PM MDT THU SEP 19 2024  
 
DATE 09/19/24 FRI 09/20/24 SAT 09/21/24 SUN  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
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 27 63 25 62 27  
TEMP 37 33 29 35 53 61 61 48 40 33 27 33 53 61 60 44 37 31 28  
DEWPT 37 33 29 35 39 37 37 36 32 30 26 29 35 35 34 33 32 30 28  
RH 100100100100 59 41 41 63 73 89 96 85 50 38 37 65 82 96100  
WIND DIR S S SE SW SW SW SW NW N NE NE NE NE N NW N NE NE E  
WIND SPD 5 3 3 5 13 16 12 4 4 3 3 3 3 5 5 4 2 1 1  
CLOUDS FW FW FW SC FW FW SC B1 SC SC FW FW FW FW FW SC SC FW SC  
POP 12HR 0 5 10 0 0  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
OBVIS PF PF PF  
 
DATE 09/22/24 MON 09/23/24 TUE 09/24/24 WED 09/25/24 THU 09/26/24  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 64 33 60 30 65 32 68 34 69  
TEMP 56 62 42 34 51 59 39 31 54 64 41 33 60 64 43 34 62 65  
DEWPT 36 32 34 33 37 37 35 31 37 38 35 33 40 36 35 34 42 36  
PWIND DIR S S W N S SE S S S  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS SC FW SC B1 B2 B1 SC SC SC FW FW FW FW FW FW FW SC FW  
POP 12HR 0 20 30 5 0 0 0 5 5  
RAIN S C C  
 

 
MTZ328-201000-  
DILLON-BEAVERHEAD MT  
45.26N 112.55W ELEV. 5357 FT  
921 PM MDT THU SEP 19 2024  
 
DATE 09/19/24 FRI 09/20/24 SAT 09/21/24 SUN  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
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 69 31 62 35  
TEMP 50 46 44 47 62 67 66 51 43 38 33 36 49 57 61 48 42 38 35  
DEWPT 43 42 40 42 43 39 38 32 30 31 28 31 36 38 39 34 34 32 30  
RH 77 86 86 83 50 36 36 48 60 76 82 82 61 49 44 58 73 79 82  
WIND DIR S S S SW SW W NW NE NE E NW N N N N NE S S S  
WIND SPD 9 9 10 10 13 16 12 9 9 5 5 5 4 5 5 4 4 4 5  
CLOUDS SC FW FW FW CL FW FW FW FW FW CL FW FW SC FW SC SC FW FW  
POP 12HR 0 0 0 0 0  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
 
DATE 09/22/24 MON 09/23/24 TUE 09/24/24 WED 09/25/24 THU 09/26/24  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 69 42 65 39 71 43 76 44 73  
TEMP 56 68 50 43 56 64 48 40 59 70 51 44 64 74 53 45 64 72  
DEWPT 37 40 38 37 43 44 41 37 45 48 43 39 47 49 42 39 45 46  
PWIND DIR SW SW W W SW SE S S SW  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS FW SC SC B2 B1 B1 SC SC FW FW FW FW FW FW FW SC FW FW  
POP 12HR 0 20 20 0 0 0 0 0 5  
RAIN S S  
 

 
MTZ305-201000-  
HAVRE-HILL MT  
48.54N 109.76W ELEV. 2585 FT  
921 PM MDT THU SEP 19 2024  
 
DATE 09/19/24 FRI 09/20/24 SAT 09/21/24 SUN  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
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 66 37 61 38  
TEMP 57 54 51 54 63 62 55 48 45 42 39 41 52 59 60 49 45 41 39  
DEWPT 49 48 47 47 48 47 43 43 43 41 37 38 40 39 37 37 37 35 36  
RH 75 80 86 77 58 58 64 83 93 96 92 89 63 47 42 63 73 79 89  
WIND DIR SW SW SW SW W NW NW W W W W W W W S SE SE SE S  
WIND SPD 10 12 13 13 18 19 19 14 11 10 10 9 9 8 4 4 5 4 4  
WIND GUST 31  
CLOUDS FW FW FW FW FW B1 B2 B1 B1 SC SC FW FW FW SC SC FW FW FW  
POP 12HR 0 30 30 0 0  
QPF 12HR 0 0 0.01 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN C S C C S  
 
DATE 09/22/24 MON 09/23/24 TUE 09/24/24 WED 09/25/24 THU 09/26/24  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 73 47 70 43 75 47 80 48 77  
TEMP 63 70 56 48 61 69 51 44 65 74 55 48 70 76 59 49 69 73  
DEWPT 44 47 43 41 45 48 44 41 48 51 47 44 50 52 46 45 50 49  
PWIND DIR S SW W SW SW S SW SW SW  
WIND CHAR LT GN GN LT LT LT LT GN GN  
AVG CLOUDS FW SC B1 B2 B2 SC SC SC FW FW FW FW FW FW FW SC SC FW  
POP 12HR 0 20 10 0 0 0 0 0 0  
RAIN S  
 

 
MTZ314-201000-  
LEWISTOWN-FERGUS MT  
47.05N 109.46W ELEV. 4144 FT  
921 PM MDT THU SEP 19 2024  
 
DATE 09/19/24 FRI 09/20/24 SAT 09/21/24 SUN  
MDT 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06  
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 47 66 36 58 36  
TEMP 52 50 49 54 63 65 60 47 44 41 38 43 53 57 55 45 43 40 37  
DEWPT 42 42 42 44 43 41 39 41 40 39 37 37 39 38 38 37 35 33 31  
RH 69 74 77 69 48 41 46 79 86 92 96 79 59 49 53 73 73 76 79  
WIND DIR S SW SW SW W W NW NW W W W W NW N E SE S S S  
WIND SPD 9 9 9 11 17 19 18 13 11 9 9 6 6 6 4 5 6 6 6  
WIND GUST 28 25  
CLOUDS SC FW FW SC FW FW FW B1 B1 SC SC SC FW FW FW SC SC FW FW  
POP 12HR 0 10 20 0 0  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN S S S S  
 
DATE 09/22/24 MON 09/23/24 TUE 09/24/24 WED 09/25/24 THU 09/26/24  
MDT 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 69 44 63 41 70 47 77 47 74  
TEMP 62 67 52 46 58 60 48 42 65 67 53 48 71 71 55 48 70 69  
DEWPT 41 47 40 36 45 46 41 38 48 51 44 41 50 52 42 39 50 50  
PWIND DIR S SW W W W S S SW W  
WIND CHAR LT LT GN LT LT LT LT LT LT  
AVG CLOUDS FW FW SC B2 B2 B1 SC SC SC FW FW FW FW FW FW FW SC FW  
POP 12HR 0 20 30 5 0 0 0 0 5  
RAIN S C S  
 

 
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