943  
FOUS55 KTFX 210326  
PFMTFX  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
826 PM MST TUE FEB 20 2018  
 
MTZ012-211100-  
GREAT FALLS-CASCADE MT  
47.47N 111.38W ELEV. 3663 FT  
826 PM MST TUE FEB 20 2018  
 
DATE TUE 02/20/18 WED 02/21/18 THU 02/22/18 FRI  
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05  
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 -12 15 -10 10 -9  
TEMP -3 -5 -9-11 5 15 11 1 -5 -6 -8 -9 3 10 3 -4 -9 -5 -7  
DEWPT -10 -9-12-15 -3 3 0 -6-11-11-12-15 -6 -1 -5 -6-11 -7-11  
RH 71 82 86 82 69 58 60 72 74 78 82 74 65 60 68 91 91 91 82  
WIND DIR SW SW SW SW SW SW SW S SW SW SW SW W NW N SW SW SW SW  
WIND SPD 5 6 4 6 6 11 8 9 8 8 5 4 4 5 5 5 5 8 10  
CLOUDS B2 B2 B1 FW CL CL FW CL FW FW FW FW SC SC B1 B1 SC SC FW  
POP 12HR 5 5 0 5 10  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
WIND CHILL -15-19-20-26 -7 -1-14-20-21-21-20 -6 -8-16-22-20-25  
MIN CHILL -15 -20 -27 -2 -20 -21 -22 -8 -22 -25  
 
DATE 02/23/18 SAT 02/24/18 SUN 02/25/18 MON 02/26/18 TUE 02/27/18  
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 21 11 26 9 26 12 27 8 24  
TEMP 11 17 11 15 24 24 11 11 20 25 13 15 23 26 11 9 18 23  
DEWPT -1 3 1 9 13 11 5 7 10 12 7 11 12 14 4 5 9 13  
PWIND DIR SW SW SW SW W SW SW W W  
WIND CHAR BZ BZ BZ GN GN GN GN GN GN  
AVG CLOUDS FW FW SC B1 B2 B1 B2 B2 B2 B2 B1 B1 B2 B2 B2 B1 B1 B1  
POP 12HR 5 10 10 20 20 10 10 10 10  
SNOW S S S  
 

 
MTZ010-211100-  
CUT BANK-GLACIER MT  
48.60N 112.39W ELEV. 3838 FT  
826 PM MST TUE FEB 20 2018  
 
DATE TUE 02/20/18 WED 02/21/18 THU 02/22/18 FRI  
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05  
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 -17 13 -11 12 -9  
TEMP -4 -7-13-16 3 13 7 -6-11 -9 -8 -8 5 12 6 -3 -9 -5 -6  
DEWPT -6 -9-16-20 -5 1 -2-11-15-13-12-11 -2 2 -3 -7-13-10-12  
RH 91 91 86 81 68 58 66 78 82 82 82 86 72 63 66 82 82 78 74  
WIND DIR NW W W SW SW SW SW SW W W W NW NW N N W W W SW  
WIND SPD 3 6 5 6 10 12 10 8 5 8 9 9 8 9 5 4 4 9 11  
CLOUDS B2 B2 FW CL CL CL FW FW FW SC SC B1 B1 B2 B1 B1 SC SC FW  
POP 12HR 5 5 0 5 5  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
WIND CHILL -12-21-27-32-12 -1 -8-21-25-25-25-25 -8 -4-13-20-21-25  
MIN CHILL -12 -27 -33 -8 -26 -26 -26 -5 -20 -25  
 
DATE 02/23/18 SAT 02/24/18 SUN 02/25/18 MON 02/26/18 TUE 02/27/18  
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 20 10 24 6 23 8 23 5 22  
TEMP 12 15 11 11 22 21 9 7 18 23 12 9 19 21 7 7 17 21  
DEWPT 0 2 3 7 13 10 5 3 10 12 7 4 10 11 3 3 9 11  
PWIND DIR SW W W W W SW W W W  
WIND CHAR BZ WY BZ GN GN BZ GN GN GN  
AVG CLOUDS FW FW SC B2 B2 B1 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1  
POP 12HR 0 10 20 20 20 10 10 10 20  
SNOW S S S S S  
 

 
MTZ014-211100-  
HELENA-LEWIS & CLARK MT  
46.61N 111.96W ELEV. 3893 FT  
826 PM MST TUE FEB 20 2018  
 
DATE TUE 02/20/18 WED 02/21/18 THU 02/22/18 FRI  
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05  
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 -9 17 -5 17 -3  
TEMP -2 -4 -8 -7 8 17 13 5 0 -2 -4 -3 10 17 13 6 1 0 -2  
DEWPT -7 -8-13-10 -2 4 2 1 -5 -6 -8 -6 0 5 3 3 -3 -3 -6  
RH 79 82 78 86 63 56 61 83 79 82 82 86 63 58 63 87 83 87 82  
WIND DIR W SW SW S S SW S W SW SW S SW N N N N NW W SW  
WIND SPD 2 1 3 2 2 3 2 1 2 2 2 2 2 4 4 1 1 2 2  
CLOUDS B2 B2 B2 SC FW SC SC FW FW FW SC SC B1 B1 B1 B1 B1 B1 SC  
POP 12HR 5 5 0 10 20  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
SNOW S S  
WIND CHILL -17  
MIN CHILL -2 -17 -18 -4 -5 -2  
 
DATE 02/23/18 SAT 02/24/18 SUN 02/25/18 MON 02/26/18 TUE 02/27/18  
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 22 10 27 12 29 14 30 12 28  
TEMP 13 20 12 12 23 26 15 14 24 28 17 15 25 29 18 12 22 27  
DEWPT 1 8 5 7 10 14 10 9 11 15 10 10 14 17 13 7 12 16  
PWIND DIR SW SW SW SW SW SW SW W NW  
WIND CHAR LT LT GN LT LT LT LT LT LT  
AVG CLOUDS SC SC SC B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1  
POP 12HR 10 10 20 20 20 20 20 20 20  
SNOW S S S S S S S S S  
 

 
MTZ055-211100-  
BOZEMAN-GALLATIN MT  
45.78N 111.16W ELEV. 4475 FT  
826 PM MST TUE FEB 20 2018  
 
DATE TUE 02/20/18 WED 02/21/18 THU 02/22/18 FRI  
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05  
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 -10 17 -5 19 -5  
TEMP -8 -8 -6 -9 7 17 14 5 1 -2 -3 -4 12 19 15 6 1 -1 -5  
DEWPT -13-13-11-14 -3 2 4 1 -3 -5 -7 -8 0 4 3 1 -3 -4 -9  
RH 78 78 78 78 63 51 64 83 83 87 82 82 58 51 58 79 83 87 82  
WIND DIR SE S S S SW W SW S S S S S W NW E E E SE S  
WIND SPD 4 3 4 4 4 4 4 5 4 3 4 4 2 3 3 4 2 2 3  
CLOUDS B2 B2 B2 B1 B1 B1 SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1  
POP 12HR 5 5 5 10 20  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
SNOW S S S  
WIND CHILL -19-17-17-20 -2 -6 -9-10-13-15 -3 -14  
MIN CHILL -21 -17 -22 -9 -13 -16 -6 -14  
 
DATE 02/23/18 SAT 02/24/18 SUN 02/25/18 MON 02/26/18 TUE 02/27/18  
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 21 6 25 10 27 12 30 11 29  
TEMP 11 19 8 8 21 24 12 11 21 26 14 14 26 29 16 12 24 28  
DEWPT -1 7 2 1 7 10 6 5 9 12 7 8 14 17 11 7 13 15  
PWIND DIR SW SW SW SW SW SW SW SW SW  
WIND CHAR LT LT GN LT LT GN LT LT LT  
AVG CLOUDS B1 SC SC B1 B2 B2 B2 B2 B2 B2 B1 B2 B2 B2 B2 B2 B1 B1  
POP 12HR 20 10 20 30 30 20 20 20 30  
SNOW S S S C S C C S S S S S S S C  
 

 
MTZ055-211100-  
WEST YELLOWSTONE-GALLATIN MT  
44.66N 111.11W ELEV. 6700 FT  
826 PM MST TUE FEB 20 2018  
 
DATE TUE 02/20/18 WED 02/21/18 THU 02/22/18 FRI  
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05  
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 -17 13 -11 18 -11  
TEMP -13-13-15-15 3 12 12 5 -1 -3 -7-10 10 18 16 4 -2 -3 -8  
DEWPT -15-15-18-16 -6 0 1 2 -3 -5 -9-11 1 4 3 1 -4 -5-10  
RH 90 90 86 95 65 58 60 87 91 91 91 95 66 53 56 87 91 91 91  
WIND DIR S S S S SW SW SW S S S SE SE S SW SW SE S E SE  
WIND SPD 5 4 3 4 9 11 8 3 4 4 3 2 3 6 5 1 2 2 2  
CLOUDS B1 B1 B2 B2 B2 B2 B2 B2 B1 B2 B1 B2 B1 B2 B2 B2 B2 B2 B1  
POP 12HR 20 30 30 20 20  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
SNOW S S C C C C S S S S S S S S S  
SNOWSHWRS S S  
OBVIS PF PF  
WIND CHILL -27-25-25-27-12 -2 -2-11-13-16  
MIN CHILL -27 -25 -27 -6 -11 -16 -20 -2 -11  
WIND CHILL Y Y Y Y  
 
DATE 02/23/18 SAT 02/24/18 SUN 02/25/18 MON 02/26/18 TUE 02/27/18  
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 19 -1 18 5 23 7 26 8 26  
TEMP 11 15 2 0 9 18 8 6 15 23 11 8 20 26 16 8 20 25  
DEWPT 3 5 0 -2 2 11 6 5 8 12 8 4 12 19 13 7 11 18  
PWIND DIR S SW SW SW SW SW SW SW S  
WIND CHAR LT LT GN GN GN GN GN GN LT  
AVG CLOUDS B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 OV OV B2 B1 B1  
POP 12HR 20 20 40 50 30 30 40 40 30  
SNOW S S S S C C C C C C C C C C C C S C  
 

 
MTZ008-211100-  
DILLON-BEAVERHEAD MT  
45.26N 112.55W ELEV. 5357 FT  
826 PM MST TUE FEB 20 2018  
 
DATE TUE 02/20/18 WED 02/21/18 THU 02/22/18 FRI  
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05  
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 -10 12 -5 14 -6  
TEMP -6-10-10 -8 3 11 10 3 -1 -4 -3 -5 6 14 10 3 1 -3 -6  
DEWPT -9-12-12-10 -5 -1 -1 0 -3 -5 -5 -7 -3 2 -1 -1 -2 -5 -9  
RH 86 90 90 91 68 57 60 87 91 95 91 91 66 58 60 83 87 91 86  
WIND DIR S S S S S SW S S S S S S S SE SE E SE S S  
WIND SPD 8 6 6 8 8 10 9 8 8 6 6 8 6 8 8 8 8 8 6  
CLOUDS B2 B1 SC B1 B1 B1 B1 B1 SC SC B1 B1 B1 B1 B2 B1 B1 B1 SC  
POP 12HR 5 10 10 20 20  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
SNOW S S S S S S S  
WIND CHILL -21-25-25-24-11 -3 -3-11-15-18-17-20 -6 -2-11-13-18-20  
MIN CHILL -21 -26 -25 -6 -15 -18 -20 -2 -13 -20  
WIND CHILL Y Y Y Y  
 
DATE 02/23/18 SAT 02/24/18 SUN 02/25/18 MON 02/26/18 TUE 02/27/18  
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 17 6 21 9 26 10 29 10 28  
TEMP 6 16 8 7 18 21 13 9 20 25 12 12 23 28 15 11 21 28  
DEWPT -3 2 4 3 8 7 9 5 8 10 7 8 14 14 10 7 10 15  
PWIND DIR SW S S SW SW S S S S  
WIND CHAR GN GN BZ GN GN GN GN GN GN  
AVG CLOUDS SC SC SC B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1  
POP 12HR 20 10 20 30 20 20 20 30 20  
SNOW S S S S C S S S S S C S S S  
 

 
MTZ011-211100-  
HAVRE-HILL MT  
48.54N 109.76W ELEV. 2585 FT  
826 PM MST TUE FEB 20 2018  
 
DATE TUE 02/20/18 WED 02/21/18 THU 02/22/18 FRI  
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05  
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 -18 5 -19 6 -14  
TEMP -11-13-17-17 -3 5 -1-10-16-19-19-12 -1 6 1 -5-10-10-14  
DEWPT -15-16-19-20 -8 -2 -6-14-19-22-21-14 -7 -2 -4 -7-13-14-17  
RH 82 86 90 86 78 72 79 82 86 85 90 90 75 69 79 91 86 82 86  
WIND DIR SW SW SW SW S S E SE SE W SW SW W W W SW SW SW SW  
WIND SPD 5 3 4 5 5 8 8 4 4 3 5 6 8 9 6 6 5 6 6  
CLOUDS B2 B2 B1 SC FW CL CL CL FW FW FW SC SC SC SC B1 B1 SC SC  
POP 12HR 5 5 0 0 5  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
WIND CHILL -25-23-30-32-15 -8-15-22-29-30-34-27-15 -8-12-19-23-25-30  
MIN CHILL -25 -30 -32 -15 -29 -34 -32 -12 -23 -30  
WIND CHILL Y Y Y Y  
 
DATE 02/23/18 SAT 02/24/18 SUN 02/25/18 MON 02/26/18 TUE 02/27/18  
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 14 4 23 4 20 4 20 2 18  
TEMP 3 11 4 7 19 21 6 7 15 20 7 5 15 19 7 2 12 17  
DEWPT -2 5 0 2 10 14 1 4 8 13 3 2 8 12 4 -1 6 10  
PWIND DIR SW SW W W W SW SW W W  
WIND CHAR GN GN BZ GN GN GN GN GN LT  
AVG CLOUDS SC FW FW SC B2 B2 B1 B2 B1 B1 SC B1 B1 B1 B1 B1 B1 B1  
POP 12HR 5 5 10 10 10 10 5 10 10  
 

 
MTZ051-211100-  
LEWISTOWN-FERGUS MT  
47.05N 109.46W ELEV. 4144 FT  
826 PM MST TUE FEB 20 2018  
 
DATE TUE 02/20/18 WED 02/21/18 THU 02/22/18 FRI  
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05  
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 -13 15 -7 14 -8  
TEMP -13-10-10 -9 8 15 9 -3 -7 -6 -6 -3 10 14 6 -4 -8 -8 -8  
DEWPT -18-14-13-13 1 2 1 -5-11 -8-11 -6 2 5 0 -5-12-11-14  
RH 77 82 86 82 72 55 69 91 82 91 78 86 69 67 76 95 82 86 74  
WIND DIR S S S S SW SW S S S S S SW NW N N SW SW SW SW  
WIND SPD 8 8 6 8 5 6 6 9 8 8 8 5 4 5 5 4 4 6 8  
CLOUDS B1 B2 B1 SC FW FW FW FW CL CL FW FW SC SC SC B1 SC SC SC  
POP 12HR 0 5 0 5 10  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
WIND CHILL -30-26-25-25 -2 -2-19-23-21-21-15 -4-15-19-23-24  
MIN CHILL -30 -29 -26 -2 -24 -23 -20 -4 -19 -24  
WIND CHILL Y Y Y Y  
 
DATE 02/23/18 SAT 02/24/18 SUN 02/25/18 MON 02/26/18 TUE 02/27/18  
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 22 8 26 9 25 10 27 9 25  
TEMP 15 15 8 14 23 25 12 11 20 24 11 14 25 25 11 11 21 23  
DEWPT 4 8 3 4 10 17 8 7 10 16 7 10 14 19 8 6 12 17  
PWIND DIR SW SW W W W SW SW W W  
WIND CHAR GN GN BZ GN GN GN GN GN GN  
AVG CLOUDS SC FW FW SC B1 B1 B2 B2 B2 B1 B1 B1 B1 B2 B2 B1 B1 SC  
POP 12HR 10 5 10 20 20 10 10 20 10  
SNOW S S S S S  
 

 
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