142  
FOUS55 KGGW 141222  
PFMGGW  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE GLASGOW MT  
622 AM MDT FRI MAY 14 2021  
 
MTZ017-142300-  
GLASGOW-VALLEY MT  
48.22N 106.61W ELEV. 2293 FT  
622 AM MDT FRI MAY 14 2021  
 
DATE FRI 05/14/21 SAT 05/15/21 SUN 05/16/21  
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 71 44 74 47 80  
TEMP 56 65 69 68 58 52 47 45 59 70 73 72 63 56 51 49 61 74 78 78  
DEWPT 43 39 39 36 37 38 37 37 40 37 35 34 37 37 37 38 42 39 36 35  
RH 62 38 33 31 45 59 68 73 49 30 25 25 38 49 59 66 49 28 22 21  
WIND DIR N NW N NE NE NE E E SE S SW SW SW S S SW SW SW SW S  
WIND SPD 5 5 8 6 4 5 5 5 5 9 10 9 5 6 5 5 5 9 10 9  
CLOUDS SC B1 SC FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW SC  
POP 12HR 30 0 5 5 5  
QPF 12HR 0.01 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S C  
TSTMS S S  
 
DATE MON 05/17/21 TUE 05/18/21 WED 05/19/21 THU 05/20/21  
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 50 86 54 85 54 82 52 77  
TEMP 59 51 79 85 64 55 78 83 64 55 75 79 61 54 71 72  
DEWPT 36 39 41 37 38 41 42 38 38 40 42 40 42 43 43 39  
PWIND DIR SE S S SE E SE E SE  
WIND CHAR GN GN GN GN GN BZ GN BZ  
AVG CLOUDS SC FW FW CL CL FW FW FW FW SC SC SC SC SC SC B1  
POP 12HR 0 0 5 5 10 20 20 30  
RAIN SHWRS S S S S C  
TSTMS S S S  
 

 
MTZ020-142300-  
WOLF POINT-WESTERN ROOSEVELT MT  
48.10N 105.58W ELEV. 1985 FT  
622 AM MDT FRI MAY 14 2021  
 
DATE FRI 05/14/21 SAT 05/15/21 SUN 05/16/21  
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 73 41 77 45 82  
TEMP 57 67 71 69 58 51 46 43 60 72 75 75 62 54 49 47 62 76 80 79  
DEWPT 41 38 36 36 37 37 36 35 40 36 34 33 35 35 35 37 41 39 35 34  
RH 55 34 28 30 45 59 68 73 47 27 22 21 36 48 58 68 46 26 20 20  
WIND DIR NW NW NW N N W N NE NE S SW SW W SW SW W W SW SW SW  
WIND SPD 3 4 5 5 2 2 2 2 2 5 6 8 3 2 3 3 5 8 9 9  
CLOUDS SC B1 B1 SC SC FW FW FW FW FW FW FW SC FW FW FW FW FW FW SC  
POP 12HR 30 0 5 5 5  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S C  
TSTMS S S  
 
DATE MON 05/17/21 TUE 05/18/21 WED 05/19/21 THU 05/20/21  
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 48 88 52 88 51 83 51 79  
TEMP 57 49 81 85 63 54 80 84 62 54 76 78 59 53 73 74  
DEWPT 35 38 42 38 39 40 43 37 39 40 42 42 43 44 44 41  
PWIND DIR S S S SE SE SE E SE  
WIND CHAR LT GN GN GN GN GN GN GN  
AVG CLOUDS SC FW FW CL FW FW FW FW FW SC SC SC SC SC SC SC  
POP 12HR 0 0 5 5 10 20 20 30  
RAIN SHWRS S S S S C  
TSTMS S S S  
 

 
MTZ022-142300-  
JORDAN-GARFIELD MT  
47.33N 106.95W ELEV. 2661 FT  
622 AM MDT FRI MAY 14 2021  
 
DATE FRI 05/14/21 SAT 05/15/21 SUN 05/16/21  
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 71 43 74 46 80  
TEMP 57 65 69 67 57 50 46 44 61 70 72 72 62 55 50 47 64 74 78 78  
DEWPT 44 42 39 37 39 39 37 37 41 37 35 34 38 39 39 39 42 38 36 36  
RH 62 43 33 33 51 66 71 76 48 30 26 25 41 55 66 74 45 27 22 22  
WIND DIR NW N N NE NE E S W SE S S SW SE SW SW SW SW SW S S  
WIND SPD 3 5 6 6 3 1 2 2 2 5 5 4 2 2 3 3 5 5 8 6  
CLOUDS SC B1 B1 FW FW FW FW FW FW SC SC SC SC FW FW FW FW FW FW FW  
POP 12HR 30 0 5 5 5  
QPF 12HR 0.02 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C C  
TSTMS S S  
 
DATE MON 05/17/21 TUE 05/18/21 WED 05/19/21 THU 05/20/21  
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 48 87 53 87 52 83 52 79  
TEMP 57 49 81 85 63 54 80 84 64 54 77 79 61 52 73 73  
DEWPT 38 39 41 35 38 40 42 37 39 40 41 39 42 43 41 39  
PWIND DIR S S S E SE SE SE SE  
WIND CHAR LT GN GN GN GN GN GN GN  
AVG CLOUDS FW FW FW CL CL FW FW FW SC SC SC SC SC SC SC SC  
POP 12HR 0 0 5 5 10 20 20 30  
RAIN SHWRS S S S S C  
TSTMS S S S  
 

 
MTZ024-142300-  
SIDNEY-RICHLAND MT  
47.70N 104.20W ELEV. 1985 FT  
622 AM MDT FRI MAY 14 2021  
 
DATE FRI 05/14/21 SAT 05/15/21 SUN 05/16/21  
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 73 44 77 46 81  
TEMP 58 67 71 69 58 52 47 45 60 71 75 75 63 55 50 47 62 74 79 78  
DEWPT 41 38 37 37 37 37 37 37 40 38 36 36 38 38 39 40 43 41 38 37  
RH 53 34 29 31 45 56 68 73 47 30 24 24 39 53 66 76 50 30 23 23  
WIND DIR W NW W N NW S SW SW S S S S SE S SW SW SW SW SW SW  
WIND SPD 5 6 6 8 4 2 2 2 4 6 6 6 5 4 5 5 8 10 10 9  
CLOUDS SC B1 SC SC FW FW FW FW CL FW FW FW SC SC FW FW CL FW FW FW  
POP 12HR 30 0 5 10 5  
QPF 12HR 0.01 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S C  
TSTMS S S  
 
DATE MON 05/17/21 TUE 05/18/21 WED 05/19/21 THU 05/20/21  
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 86 54 87 53 82 52 79  
TEMP 58 51 79 84 63 55 80 84 63 56 76 77 59 54 73 75  
DEWPT 38 41 45 41 43 45 47 41 42 44 47 45 46 46 49 45  
PWIND DIR S S S S SE SE SE SE  
WIND CHAR LT GN GN GN GN GN GN BZ  
AVG CLOUDS FW FW CL CL CL FW FW FW FW SC FW SC SC SC SC SC  
POP 12HR 0 0 5 5 10 20 20 30  
RAIN SHWRS S S S S C  
TSTMS S S S  
 

 
MTZ025-142300-  
GLENDIVE-DAWSON MT  
47.13N 104.80W ELEV. 2457 FT  
622 AM MDT FRI MAY 14 2021  
 
DATE FRI 05/14/21 SAT 05/15/21 SUN 05/16/21  
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 71 43 75 45 79  
TEMP 57 65 69 67 56 50 46 44 59 70 73 72 61 55 49 46 62 73 77 76  
DEWPT 40 37 38 37 38 39 37 37 40 36 35 33 37 38 40 39 44 40 36 37  
RH 53 35 32 33 51 66 71 76 49 29 25 24 41 53 71 76 52 30 23 24  
WIND DIR NE NE N N N N N NW SE SE S S SE S SW SW SW SW SW S  
WIND SPD 4 3 5 5 5 3 2 2 4 5 5 5 4 4 4 4 6 6 8 6  
CLOUDS SC B1 SC SC FW FW FW FW FW FW SC SC FW SC FW CL CL FW FW FW  
POP 12HR 30 0 10 10 5  
QPF 12HR 0.01 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S C  
TSTMS S S  
 
DATE MON 05/17/21 TUE 05/18/21 WED 05/19/21 THU 05/20/21  
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 48 84 53 86 52 81 53 78  
TEMP 57 49 78 82 62 54 79 82 63 54 76 76 59 54 73 73  
DEWPT 39 40 44 40 43 44 44 41 42 43 45 42 45 45 45 42  
PWIND DIR S S S S SE SE SE SE  
WIND CHAR LT GN GN GN GN GN GN GN  
AVG CLOUDS FW FW FW FW FW FW FW FW FW SC FW SC SC SC SC SC  
POP 12HR 0 0 5 5 10 20 20 30  
RAIN SHWRS S S S S C  
TSTMS S S S  
 

 
 
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