444  
FOUS55 KTFX 192025  
PFMTFX  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE GREAT FALLS MT  
224 PM MDT TUE SEP 19 2017  
 
MTZ012-201100-  
GREAT FALLS-CASCADE MT  
47.47N 111.38W ELEV. 3663 FT  
224 PM MDT TUE SEP 19 2017  
 
DATE 09/19/17 WED 09/20/17 THU 09/21/17 FRI  
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 54 35 53 35  
TEMP 58 57 48 44 43 42 45 49 53 53 45 41 38 35 41 51 53 52 45 41 39 36  
DEWPT 30 32 31 31 30 31 30 27 26 26 27 31 27 28 32 32 29 31 31 34 33 34  
RH 34 38 51 60 60 65 55 42 35 35 49 67 64 75 70 48 39 44 58 76 79 92  
WIND DIR W SW SW SW SW SW SW SW SW W SW SW SW SW SW W W N N N N N  
WIND SPD 16 16 14 19 21 19 20 20 19 18 11 11 12 11 12 11 12 9 8 6 10 9  
CLOUDS B1 B2 B2 B1 SC B1 B1 B1 SC SC SC B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 OV  
POP 12HR 10 30 20 20 40  
QPF 12HR 0 0.01 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN S S S S S S  
RAIN SHWRS S S C C C  
 
DATE 09/22/17 SAT 09/23/17 SUN 09/24/17 MON 09/25/17 TUE 09/26/17  
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 45 33 49 34 54 37 56 40 59  
TEMP 40 45 38 33 43 49 37 35 48 54 41 38 52 55 43 41 52 59  
DEWPT 35 36 36 31 35 33 31 32 35 33 32 34 38 37 35 34 38 41  
PWIND DIR N N SW SE SW S SW SW W  
WIND CHAR LT LT LT LT LT LT GN GN GN  
AVG CLOUDS OV OV OV B2 B1 B1 B1 SC SC SC SC SC FW SC SC SC B1 SC  
POP 12HR 50 40 20 10 10 5 5 20 20  
RAIN SHWRS C C C S S S S S  
 

 
MTZ010-201100-  
CUT BANK-GLACIER MT  
48.60N 112.39W ELEV. 3838 FT  
224 PM MDT TUE SEP 19 2017  
 
DATE 09/19/17 WED 09/20/17 THU 09/21/17 FRI  
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 39 52 33 47 33  
TEMP 57 52 45 42 40 39 43 50 52 51 42 39 36 33 39 46 47 46 41 37 35 33  
DEWPT 30 31 32 32 34 33 33 28 28 30 30 30 33 30 34 32 32 34 33 33 34 31  
RH 35 44 60 67 79 79 67 42 39 44 62 70 89 89 82 58 56 63 73 85 96 92  
WIND DIR W W W W W SW W W W W W W W W W NW NW N N N N N  
WIND SPD 19 20 18 19 19 14 18 21 25 24 16 13 12 10 9 11 13 12 10 10 11 9  
WIND GUST 35 34  
CLOUDS SC B1 B1 SC FW SC FW B1 SC SC FW SC SC B1 B2 B2 B2 B2 B2 B2 B2 OV  
POP 12HR 5 5 10 30 40  
QPF 12HR 0 0 0 0.01 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN S S C C  
RAIN SHWRS C C C C C  
SNOWSHWRS C C  
 
DATE 09/22/17 SAT 09/23/17 SUN 09/24/17 MON 09/25/17 TUE 09/26/17  
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 44 31 50 33 55 35 57 39 60  
TEMP 39 43 35 32 44 50 38 34 51 54 40 37 55 54 44 40 57 58  
DEWPT 30 31 31 31 33 31 30 31 34 34 31 34 37 38 36 35 38 41  
PWIND DIR N NW SW SW SW SW SW W W  
WIND CHAR GN LT LT LT LT GN GN GN GN  
AVG CLOUDS OV B2 B2 B2 B1 B1 B2 SC SC FW SC SC FW SC B1 B1 B1 SC  
POP 12HR 40 30 20 10 10 5 5 10 10  
RAIN SHWRS C C C S S S  
SNOWSHWRS C C S S  
 

 
MTZ014-201100-  
HELENA-LEWIS & CLARK MT  
46.61N 111.96W ELEV. 3893 FT  
224 PM MDT TUE SEP 19 2017  
 
DATE 09/19/17 WED 09/20/17 THU 09/21/17 FRI  
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 37 52 35 53 35  
TEMP 55 53 43 42 38 37 40 46 51 50 42 39 36 35 39 47 52 51 43 40 38 35  
DEWPT 35 30 31 33 31 30 32 34 31 30 31 31 30 30 33 33 30 30 30 33 32 31  
RH 47 41 62 70 76 75 73 63 46 46 65 73 79 82 79 58 43 44 60 76 79 85  
WIND DIR W W W SW S S SW W W W SW SW SW S W W W N NW N N N  
WIND SPD 14 11 9 8 6 6 5 10 14 12 8 5 5 4 5 6 11 5 4 5 5 5  
CLOUDS B2 B2 B2 B2 B1 B1 B2 B2 B1 SC B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2  
POP 12HR 30 40 30 30 50  
QPF 12HR 0.02 0.03 0.02 0.01 0.04  
SNOW 12HR 00-00 00-00 00-00  
RAIN C C S S C C C C C C C S S C C  
RAIN SHWRS C C C C L  
TSTMS C S  
 
DATE 09/22/17 SAT 09/23/17 SUN 09/24/17 MON 09/25/17 TUE 09/26/17  
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 45 33 49 32 53 35 54 37 58  
TEMP 41 44 36 33 43 48 35 34 46 52 38 37 49 53 40 39 51 58  
DEWPT 34 33 31 31 35 33 28 30 36 32 29 32 38 35 33 33 41 39  
PWIND DIR N N N SE SW SW SW SW SW  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B2 OV OV B2 B2 B1 B1 SC SC SC SC FW SC SC SC SC B1 SC  
POP 12HR 60 30 20 10 10 5 5 10 10  
RAIN SHWRS L L C C S S  
TSTMS S  
 

 
MTZ055-201100-  
BOZEMAN-GALLATIN MT  
45.78N 111.16W ELEV. 4475 FT  
224 PM MDT TUE SEP 19 2017  
 
DATE 09/19/17 WED 09/20/17 THU 09/21/17 FRI  
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 34 51 34 49 34  
TEMP 52 48 42 38 35 34 39 47 49 51 43 39 35 34 39 45 49 48 41 40 36 34  
DEWPT 32 35 38 35 31 30 31 31 32 35 36 35 32 32 35 34 31 35 33 35 33 32  
RH 46 60 86 89 85 85 73 53 52 54 76 85 89 92 85 65 50 60 73 82 89 92  
WIND DIR W SW SW S S S S W W W SE S S SW SW W W NW NE NE NE N  
WIND SPD 11 13 10 9 10 11 9 12 13 10 9 9 8 8 5 5 6 5 5 5 4 5  
CLOUDS B2 B2 B2 B2 B2 B1 OV B2 B1 B1 B1 B2 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2  
POP 12HR 50 50 40 30 60  
QPF 12HR 0.06 0.08 0.07 0.06 0.12  
SNOW 12HR 00-00 00-00 00-00  
RAIN C C C S S C C C C C C C C C C C  
RAIN SHWRS C C L L L  
SNOW S  
TSTMS C S S  
 
DATE 09/22/17 SAT 09/23/17 SUN 09/24/17 MON 09/25/17 TUE 09/26/17  
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 44 31 46 29 48 30 49 34 53  
TEMP 42 44 36 31 42 45 34 30 42 47 35 31 45 48 37 35 49 52  
DEWPT 36 39 34 30 32 36 29 28 31 31 27 28 32 36 32 32 37 38  
PWIND DIR N N N E W S SW SW SW  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS OV OV OV B2 B2 B2 B2 SC SC SC SC SC SC SC SC SC B1 SC  
POP 12HR 60 40 30 20 10 5 10 20 20  
RAIN SHWRS L L C C C S S S S  
SNOWSHWRS C C  
TSTMS S  
 

 
MTZ055-201100-  
WEST YELLOWSTONE-GALLATIN MT  
44.66N 111.11W ELEV. 6700 FT  
224 PM MDT TUE SEP 19 2017  
 
DATE 09/19/17 WED 09/20/17 THU 09/21/17 FRI  
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 25 41 25 39 26  
TEMP 40 37 32 27 25 25 29 36 40 41 34 31 27 26 26 38 38 38 32 29 28 26  
DEWPT 32 34 30 25 24 24 27 26 31 31 32 31 27 25 25 33 31 31 30 29 28 25  
RH 73 89 92 92 96 96 92 67 70 67 92100100 96 96 82 76 76 92100100 96  
WIND DIR SW SW SW SW SW SW SW SW SW SW SW SW SW S SW SW SW S N NW W NE  
WIND SPD 16 13 10 10 10 10 12 18 21 16 9 6 5 5 5 6 9 6 4 3 2 3  
WIND GUST 28  
CLOUDS OV B2 B2 B2 B2 B2 B2 B2 B2 OV OV OV OV OV OV B2 B2 OV B2 B2 B2 OV  
POP 12HR 60 60 70 60 60  
QPF 12HR 0.09 0.17 0.29 0.13 0.13  
SNOW 12HR T T 00-00  
RAIN D L L L L L C C  
RAIN SHWRS C  
SNOW D L C C C C L L L L L C C  
SNOWSHWRS C C L L L  
TSTMS C C S C C  
 
DATE 09/22/17 SAT 09/23/17 SUN 09/24/17 MON 09/25/17 TUE 09/26/17  
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 38 23 39 22 41 22 42 24 44  
TEMP 36 37 25 25 35 38 24 25 37 39 25 24 38 40 27 26 40 43  
DEWPT 28 26 22 24 24 21 21 23 24 20 22 21 21 22 24 23 26 24  
PWIND DIR NW S N N NE NE SE SW SW  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS OV B2 B2 B1 B2 B2 B2 B1 B1 SC B1 SC SC SC SC SC B1 SC  
POP 12HR 60 20 30 10 10 10 5 10 20  
RAIN SHWRS C S C S S  
SNOWSHWRS L C S S C C S  
TSTMS S S C  
 

 
MTZ008-201100-  
DILLON-BEAVERHEAD MT  
45.26N 112.55W ELEV. 5357 FT  
224 PM MDT TUE SEP 19 2017  
 
DATE 09/19/17 WED 09/20/17 THU 09/21/17 FRI  
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 34 51 30 44 30  
TEMP 49 46 38 36 34 34 39 49 51 50 42 38 34 30 32 40 43 43 35 33 30 30  
DEWPT 27 28 27 26 26 27 31 33 31 32 28 28 26 25 27 26 24 29 24 28 26 27  
RH 42 49 64 67 72 75 73 54 46 50 57 67 72 81 81 57 47 57 64 82 85 88  
WIND DIR W W SW S S S SW SW SW SW S SW SW SW SW W W N N N N N  
WIND SPD 18 16 12 17 13 12 14 25 20 17 11 10 10 10 9 6 8 8 6 5 5 6  
WIND GUST 37 31  
CLOUDS B2 OV B2 B2 B1 B2 B2 B1 B1 SC B1 B1 SC B1 B1 B2 B2 B2 B2 B2 B2 B2  
POP 12HR 20 50 30 40 50  
QPF 12HR 0 0.05 0.04 0.08 0.07  
SNOW 12HR 00-00 00-00 00-00  
RAIN S S C C C C C C S S C C  
RAIN SHWRS C C C  
SNOW C S C C  
SNOWSHWRS C C L  
TSTMS S S C S  
 
DATE 09/22/17 SAT 09/23/17 SUN 09/24/17 MON 09/25/17 TUE 09/26/17  
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 40 27 42 26 44 28 46 32 51  
TEMP 37 40 29 28 34 42 29 27 37 44 30 30 41 45 34 33 43 51  
DEWPT 29 31 25 26 25 27 23 23 26 25 22 26 28 25 26 27 30 29  
PWIND DIR N N N E SW W SW SW SW  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B2 B2 B2 B2 B2 B1 B1 SC SC SC SC SC FW SC SC SC SC SC  
POP 12HR 60 30 30 20 10 5 5 10 10  
RAIN SHWRS L C C C S S  
SNOWSHWRS L C C C C S S  
TSTMS S  
 

 
MTZ011-201100-  
HAVRE-HILL MT  
48.54N 109.76W ELEV. 2585 FT  
224 PM MDT TUE SEP 19 2017  
 
DATE 09/19/17 WED 09/20/17 THU 09/21/17 FRI  
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 41 59 36 56 36  
TEMP 59 59 50 45 43 41 46 55 58 58 46 41 38 36 42 54 55 55 47 41 38 36  
DEWPT 31 29 32 31 33 32 33 30 28 28 29 28 30 30 33 37 35 34 35 33 34 33  
RH 34 32 50 58 67 70 60 38 32 32 51 59 73 79 70 52 47 45 63 73 85 89  
WIND DIR W W SW SW SW SW SW SW SW W SW SW SW SW W W W NW NW NW NW NW  
WIND SPD 13 12 10 12 14 16 19 19 20 18 11 10 9 9 10 11 13 9 6 5 4 5  
WIND GUST 29  
CLOUDS FW SC SC SC B1 SC FW SC SC SC FW SC SC SC B1 B1 B1 B1 B2 B2 B2 B2  
POP 12HR 10 5 10 10 20  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S S C  
 
DATE 09/22/17 SAT 09/23/17 SUN 09/24/17 MON 09/25/17 TUE 09/26/17  
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 50 34 54 34 59 36 60 40 63  
TEMP 47 50 39 35 48 53 40 35 53 58 43 37 55 58 45 41 58 62  
DEWPT 36 36 35 33 36 33 30 31 37 36 34 33 37 38 36 36 40 39  
PWIND DIR N N SE SW S S S S W  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS B2 B2 OV B2 B1 B1 B1 SC SC SC SC SC FW FW SC SC SC SC  
POP 12HR 40 30 20 10 10 5 5 20 10  
RAIN SHWRS C C C S S S  
 

 
MTZ051-201100-  
LEWISTOWN-FERGUS MT  
47.05N 109.46W ELEV. 4144 FT  
224 PM MDT TUE SEP 19 2017  
 
DATE 09/19/17 WED 09/20/17 THU 09/21/17 FRI  
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 38 51 36 52 34  
TEMP 52 52 44 42 39 39 43 49 50 50 41 38 36 36 41 49 52 51 42 38 34 34  
DEWPT 32 28 36 34 33 31 29 23 32 25 30 30 31 30 33 28 31 27 30 30 31 32  
RH 46 39 73 73 79 73 57 36 50 37 65 73 82 79 73 44 44 39 62 73 89 92  
WIND DIR W W SW SW SW SW SW SW W W SW SW SW SW W W NW N NW SW N NW  
WIND SPD 11 10 10 12 11 11 14 14 12 13 8 8 8 8 6 9 8 6 5 5 5 6  
CLOUDS B1 B2 B2 B1 B1 B1 SC B2 B1 SC SC B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2  
POP 12HR 30 40 20 10 50  
QPF 12HR 0.01 0.01 0 0 0.05  
SNOW 12HR 00-00 00-00 00-00  
RAIN S S S S C S S  
RAIN SHWRS C C C C L  
 
DATE 09/22/17 SAT 09/23/17 SUN 09/24/17 MON 09/25/17 TUE 09/26/17  
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 44 31 46 31 50 33 53 36 55  
TEMP 37 42 33 32 41 45 34 33 46 48 36 35 50 51 38 39 52 54  
DEWPT 32 35 31 30 33 34 28 31 35 34 30 31 35 37 33 35 40 42  
PWIND DIR N E S SE W SE SW SW W  
WIND CHAR LT LT LT LT LT LT LT LT GN  
AVG CLOUDS OV OV OV B2 B2 B1 B2 B1 B1 SC B1 SC SC SC SC SC SC B1  
POP 12HR 60 30 20 20 20 5 5 20 20  
RAIN SHWRS L C C S S S S S S S S  
SNOWSHWRS S S S  
 

 
WEATHER.GOV/GREATFALLS  
 
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