399  
FOUS55 KTFX 201623  
PFMTFX  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
922 AM MST FRI DEC 20 2024  
 
MTZ312-202300-  
GREAT FALLS-CASCADE MT  
47.47N 111.38W ELEV. 3663 FT  
922 AM MST FRI DEC 20 2024  
 
DATE FRI 12/20/24 SAT 12/21/24 SUN 12/22/24  
MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17  
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 57 38 55 41 49  
TEMP 55 57 49 45 44 43 42 42 50 54 49 46 47 45 44 41 45 48 41  
DEWPT 19 15 32 31 31 30 29 29 26 23 26 26 30 30 28 26 25 22 23  
RH 24 19 52 58 60 60 60 60 39 30 40 45 51 55 53 55 45 35 48  
WIND DIR SW SW SW SW SW SW SW SW SW SW S SW SW SW SW SW SW SW SW  
WIND SPD 26 18 12 12 12 11 11 12 12 11 9 10 18 26 27 26 25 21 13  
WIND GUST 36 36 37 35  
CLOUDS FW FW B1 B2 B2 B2 B1 B1 SC B1 OV OV B1 SC B1 B1 SC FW FW  
POP 12HR 5 10 5 20 0  
QPF 12HR 0 0 0 0.02 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN S S  
 
DATE MON 12/23/24 TUE 12/24/24 WED 12/25/24 THU 12/26/24  
MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 32 50 30 50 31 45 28 45  
TEMP 36 39 46 43 35 34 44 43 39 37 42 38 33 34 42 39  
DEWPT 24 24 30 27 25 22 25 26 28 25 22 20 18 17 22 21  
PWIND DIR SW SW SW S SW SW SW SW  
WIND CHAR GN BZ GN GN GN BZ BZ BZ  
AVG CLOUDS FW B1 B1 SC FW SC B1 B1 B2 B2 SC FW SC B1 B1 B1  
POP 12HR 0 5 0 10 20 0 0 0  
RAIN S S  
SNOW S  
 

 
MTZ303-202300-  
CUT BANK-GLACIER MT  
48.60N 112.39W ELEV. 3838 FT  
922 AM MST FRI DEC 20 2024  
 
DATE FRI 12/20/24 SAT 12/21/24 SUN 12/22/24  
MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17  
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 52 34 50 36 44  
TEMP 46 51 44 39 40 39 37 36 43 49 43 42 43 42 42 36 40 42 36  
DEWPT 31 31 34 32 32 31 30 28 28 29 30 30 34 31 29 23 23 22 23  
RH 55 46 68 76 73 73 75 72 55 46 60 62 70 65 60 59 50 44 59  
WIND DIR W W W SW SW SW W W SW SW S SW SW W W W W W W  
WIND SPD 24 21 12 10 10 12 11 10 9 8 8 11 20 31 29 29 29 26 16  
WIND GUST 36 32 31 48 43 43 43 39 26  
CLOUDS FW FW B1 B2 B2 OV B2 B1 B1 B1 OV OV B2 B2 B1 B1 SC SC FW  
POP 12HR 0 20 5 20 0  
QPF 12HR 0 0.01 0 0.02 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN S S S S  
SNOW S  
 
DATE MON 12/23/24 TUE 12/24/24 WED 12/25/24 THU 12/26/24  
MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 26 46 25 45 29 41 23 42  
TEMP 31 33 41 39 32 28 37 38 35 31 37 33 29 29 35 36  
DEWPT 22 25 28 26 23 21 23 26 26 22 21 19 18 18 22 24  
PWIND DIR SW SW W S W W SW SW  
WIND CHAR GN BZ BZ GN BZ WY BZ BZ  
AVG CLOUDS SC B1 B2 B1 FW SC B2 B2 B2 B1 SC FW SC B1 B2 B1  
POP 12HR 0 0 0 10 5 0 0 5  
 

 
MTZ319-202300-  
HELENA-LEWIS & CLARK MT  
46.61N 111.96W ELEV. 3893 FT  
922 AM MST FRI DEC 20 2024  
 
DATE FRI 12/20/24 SAT 12/21/24 SUN 12/22/24  
MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17  
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 32 46 32 46  
TEMP 37 47 44 41 38 36 33 32 36 44 42 39 37 36 36 36 40 44 40  
DEWPT 26 32 31 29 29 27 27 26 26 30 29 27 31 30 29 27 27 26 26  
RH 64 56 60 62 70 69 78 78 67 57 60 62 79 79 75 69 59 49 57  
WIND DIR S SW S S S SW W W W S SW SW SW W SW SW SW W SW  
WIND SPD 5 5 5 5 5 4 4 3 3 5 8 8 8 10 10 8 9 10 5  
WIND GUST 20 23 18 19  
CLOUDS B1 B1 B1 B2 OV B2 B1 B1 B2 B2 B2 B2 B1 SC SC SC SC SC SC  
POP 12HR 5 10 5 30 0  
QPF 12HR 0 0 0 0.02 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN S C C  
 
DATE MON 12/23/24 TUE 12/24/24 WED 12/25/24 THU 12/26/24  
MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 29 46 28 46 29 42 25 42  
TEMP 34 31 38 41 34 29 37 41 37 31 36 37 32 28 34 38  
DEWPT 25 26 28 27 24 23 26 28 28 24 23 22 20 20 22 24  
PWIND DIR S SW S S SW W S S  
WIND CHAR LT LT GN GN GN LT GN GN  
AVG CLOUDS SC B1 B2 B1 SC SC B1 B2 B2 B2 B1 SC SC B2 B2 B2  
POP 12HR 0 20 0 20 40 5 0 5  
RAIN S S C C  
SNOW S C  
 

 
MTZ326-202300-  
BOZEMAN-GALLATIN MT  
45.78N 111.16W ELEV. 4475 FT  
922 AM MST FRI DEC 20 2024  
 
DATE FRI 12/20/24 SAT 12/21/24 SUN 12/22/24  
MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17  
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 49 29 45  
TEMP 40 47 44 35 34 32 30 29 41 48 44 38 37 35 33 31 38 43 38  
DEWPT 27 31 31 28 28 26 26 25 28 30 30 28 28 28 28 27 29 27 27  
RH 59 53 60 75 78 78 85 85 59 49 57 67 70 75 82 85 70 53 64  
WIND DIR S N SE SE SE SE SE SE E NE SE SE S W SW SW W W SW  
WIND SPD 3 3 4 5 5 4 4 3 2 2 5 6 9 10 8 5 5 6 4  
CLOUDS SC FW SC B2 B2 B2 SC SC SC B2 B2 OV B1 B1 B1 SC SC SC SC  
POP 12HR 0 5 5 30 0  
QPF 12HR 0 0 0 0.02 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN S S C  
 
DATE MON 12/23/24 TUE 12/24/24 WED 12/25/24 THU 12/26/24  
MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 25 43 23 45 24 41 18 39  
TEMP 29 30 36 37 28 27 35 39 32 29 34 34 25 23 31 34  
DEWPT 24 26 29 29 24 23 27 28 28 27 28 25 20 19 23 25  
PWIND DIR S S S SE S SW S S  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS SC B1 B2 B1 SC SC B1 B2 B2 B2 B2 SC SC B1 B2 B2  
POP 12HR 5 30 0 10 60 10 0 10  
RAIN C C L  
SNOW C L  
 

 
MTZ330-202300-  
WEST YELLOWSTONE-GALLATIN MT  
44.69N 111.11W ELEV. 6644 FT  
922 AM MST FRI DEC 20 2024  
 
DATE FRI 12/20/24 SAT 12/21/24 SUN 12/22/24  
MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17  
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 37 10 38 19 32  
TEMP 26 36 31 21 16 12 11 12 30 38 34 28 27 24 22 19 27 31 28  
DEWPT 20 27 25 18 15 11 9 10 22 26 25 22 24 21 20 18 22 23 23  
RH 78 69 78 88 96 96 91 91 72 62 69 78 88 88 92 96 81 72 81  
WIND DIR SE SW S SE SE E SE SE N SE SE S SW SW SW SW SW SW SW  
WIND SPD 3 5 3 3 2 2 2 2 3 5 5 8 11 10 5 4 5 10 6  
CLOUDS SC FW SC B2 B1 B1 SC B2 SC B1 B2 B2 B2 B2 B1 B2 B2 B1 B1  
POP 12HR 0 0 0 30 10  
QPF 12HR 0 0 0 0.02 0  
SNOW 12HR 00-00 00-00 00-00  
SNOW C C S S S  
OBVIS PF PF PF  
 
DATE MON 12/23/24 TUE 12/24/24 WED 12/25/24 THU 12/26/24  
MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 18 33 17 35 14 31 12 28  
TEMP 22 22 30 30 22 19 28 30 22 19 27 25 18 15 23 25  
DEWPT 21 21 27 25 21 18 22 22 20 18 22 19 15 14 18 19  
PWIND DIR SW SW S S S W S S  
WIND CHAR LT LT LT LT LT LT LT LT  
AVG CLOUDS B1 B2 OV B2 B2 B2 OV B2 B2 OV OV B1 B1 B2 OV B2  
POP 12HR 30 70 10 20 70 40 10 40  
SNOW S C L C S C L C C C  
 

 
MTZ328-202300-  
DILLON-BEAVERHEAD MT  
45.26N 112.55W ELEV. 5357 FT  
922 AM MST FRI DEC 20 2024  
 
DATE FRI 12/20/24 SAT 12/21/24 SUN 12/22/24  
MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17  
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 47 29 45 26 42  
TEMP 41 47 42 36 34 33 31 31 39 45 40 36 34 31 29 28 35 41 36  
DEWPT 25 25 26 24 24 23 22 23 25 25 25 23 24 24 23 22 25 23 23  
RH 52 42 53 61 66 66 69 72 57 45 55 59 66 75 78 78 66 48 59  
WIND DIR S SW S S S S S S S S S S S SW SW S SW SW S  
WIND SPD 6 6 5 6 8 8 8 8 6 8 9 12 13 10 8 6 5 5 5  
CLOUDS SC SC B1 B2 B2 B1 SC B2 B2 B2 B2 B2 SC SC SC B1 SC B1 B1  
POP 12HR 0 5 5 20 0  
QPF 12HR 0 0 0 0.01 0  
SNOW 12HR 00-00 00-00 00-00  
 
DATE MON 12/23/24 TUE 12/24/24 WED 12/25/24 THU 12/26/24  
MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 24 43 23 43 23 38 18 36  
TEMP 30 30 36 35 27 27 35 36 31 28 32 30 23 23 31 31  
DEWPT 23 25 27 26 22 23 26 26 26 24 22 19 16 17 21 22  
PWIND DIR S SW S S SW SW S S  
WIND CHAR LT LT GN GN GN LT GN GN  
AVG CLOUDS B1 B1 B2 B1 SC SC B2 B2 B2 B2 B1 SC SC B2 B2 B2  
POP 12HR 5 20 0 20 60 5 5 10  
RAIN S L  
SNOW S S L C  
 

 
MTZ305-202300-  
HAVRE-HILL MT  
48.54N 109.76W ELEV. 2585 FT  
922 AM MST FRI DEC 20 2024  
 
DATE FRI 12/20/24 SAT 12/21/24 SUN 12/22/24  
MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17  
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 43 21 43 28 43  
TEMP 31 41 34 28 26 26 26 28 37 42 37 31 33 33 35 34 39 42 36  
DEWPT 23 31 29 25 22 22 23 24 30 32 30 27 29 29 31 29 31 30 28  
RH 72 67 82 88 85 85 88 85 75 67 75 85 85 85 85 82 73 62 72  
WIND DIR SW SW SW S SW SW SW SW SW SW S NE SW SW SW SW W W W  
WIND SPD 12 11 8 5 5 8 9 10 9 6 4 3 4 10 16 17 18 17 11  
CLOUDS SC CL SC SC B1 B2 B1 SC SC SC B2 OV OV B2 B2 B2 B1 SC FW  
POP 12HR 10 0 0 50 10  
QPF 12HR 0 0 0 0.03 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN C C S S  
 
DATE MON 12/23/24 TUE 12/24/24 WED 12/25/24 THU 12/26/24  
MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 24 45 23 44 25 42 23 42  
TEMP 28 28 39 39 30 27 36 37 31 31 36 35 28 29 35 36  
DEWPT 22 22 29 30 25 22 25 26 25 24 26 23 19 18 22 24  
PWIND DIR SW SW SW S SW W SW SW  
WIND CHAR GN GN GN LT GN GN GN GN  
AVG CLOUDS FW SC B1 SC SC FW SC B1 B2 B2 B1 SC FW SC B1 B1  
POP 12HR 0 0 0 5 20 5 0 0  
RAIN S  
SNOW S  
 

 
MTZ314-202300-  
LEWISTOWN-FERGUS MT  
47.05N 109.46W ELEV. 4144 FT  
922 AM MST FRI DEC 20 2024  
 
DATE FRI 12/20/24 SAT 12/21/24 SUN 12/22/24  
MST 3HRLY 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17  
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 53 33 56 34 46  
TEMP 51 53 44 37 37 38 38 39 50 56 47 43 43 39 38 37 42 44 38  
DEWPT 23 24 30 27 27 26 25 25 29 31 29 26 28 29 29 26 25 22 23  
RH 33 32 57 67 67 62 59 57 44 38 49 51 55 67 70 64 50 41 54  
WIND DIR W W W SW SW SW S S S SW S S SW W W W W W W  
WIND SPD 14 18 6 8 8 8 6 8 6 5 8 9 10 12 13 13 18 17 10  
WIND GUST 26 24 26 31 27  
CLOUDS FW FW SC B1 B1 B1 B1 SC FW SC B2 OV OV B1 B1 B1 B1 SC FW  
POP 12HR 5 5 5 40 5  
QPF 12HR 0 0 0 0.02 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN C  
 
DATE MON 12/23/24 TUE 12/24/24 WED 12/25/24 THU 12/26/24  
MST 6HRLY 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 27 48 26 50 28 42 24 45  
TEMP 31 33 43 40 33 32 43 41 37 34 39 35 29 31 40 38  
DEWPT 20 23 30 27 23 20 24 24 26 25 24 20 18 17 21 24  
PWIND DIR SW SW SW S SW W SW SW  
WIND CHAR GN GN GN GN GN GN GN GN  
AVG CLOUDS FW SC B1 B1 SC FW SC B1 OV B2 B1 SC FW SC B2 B1  
POP 12HR 0 10 0 5 40 10 0 5  
RAIN C C  
SNOW C  
 

 
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