566  
FOUS55 KGGW 181530  
PFMGGW  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE GLASGOW MT  
930 AM MDT SAT MAY 18 2013  
 
MTZ017-182300-  
GLASGOW-VALLEY MT  
48.22N 106.61W ELEV. 2293 FT  
930 AM MDT SAT MAY 18 2013  
 
DATE SAT 05/18/13 SUN 05/19/13 MON 05/20/13  
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 70 50 68 48 67  
TEMP 66 69 69 60 55 52 50 57 64 67 67 59 53 50 48 56 63 66 66  
DEWPT 51 51 51 49 47 47 47 48 48 47 47 46 44 44 44 45 43 42 42  
RH 58 53 53 67 74 83 89 72 56 49 49 62 71 80 86 66 48 42 42  
WIND DIR NE NE NE N N N N N N N N N N NE N N N N N  
WIND SPD 5 4 6 6 6 8 10 9 10 10 11 9 8 8 11 13 17 18 17  
CLOUDS OV OV OV OV B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2  
POP 12HR 100 80 80 80 60  
QPF 12HR 0.14 0.18 0.15 0.24 0.13  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS D D D D D D D D D D L L D D L L C C C  
TSTMS S S S S S S S S S S S S  
 
DATE TUE 05/21/13 WED 05/22/13 THU 05/23/13 FRI 05/24/13  
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 46 68 44 69 46 67 50 73  
TEMP 52 46 63 67 51 44 64 68 52 46 63 66 55 50 68 72  
DEWPT 40 40 41 40 39 39 40 40 40 40 40 40 43 45 45 45  
PWIND DIR N NE E SE E SE E SE  
WIND CHAR GN LT GN BZ WY WY BZ BZ  
AVG CLOUDS B2 B2 B1 B1 B1 B1 B1 B1 SC SC B1 B1 B1 B1 B1 B1  
POP 12HR 30 20 10 20 10 20 10 20  
RAIN SHWRS C C S S S S S S S S  
TSTMS S S S S S S  
 

 
MTZ020-182300-  
WOLF POINT-WESTERN ROOSEVELT MT  
48.10N 105.58W ELEV. 1985 FT  
930 AM MDT SAT MAY 18 2013  
 
DATE SAT 05/18/13 SUN 05/19/13 MON 05/20/13  
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 70 49 67 47 67  
TEMP 67 70 69 60 54 51 49 57 64 67 66 57 52 49 47 56 63 67 66  
DEWPT 52 52 52 50 48 47 46 49 48 48 48 46 44 43 42 46 45 45 44  
RH 59 53 55 69 80 86 89 75 56 50 52 67 74 80 83 69 52 45 45  
WIND DIR NE NE NE N N N N N NE NE NE NE NE N N N N N N  
WIND SPD 5 8 8 5 6 6 6 8 9 11 12 10 10 11 12 14 19 19 18  
CLOUDS B2 B2 B2 B2 B2 B2 B2 B2 OV OV OV OV OV OV B2 B2 B2 B2 B2  
POP 12HR 80 80 80 80 60  
QPF 12HR 0.12 0.17 0.16 0.23 0.16  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS D D D D D D D D D D D D D D L L L L C  
TSTMS S S S S S S S S S S S S  
 
DATE TUE 05/21/13 WED 05/22/13 THU 05/23/13 FRI 05/24/13  
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 43 69 43 69 46 67 48 72  
TEMP 49 43 64 68 49 43 64 68 51 46 63 66 52 48 68 71  
DEWPT 40 38 43 43 40 38 41 41 41 41 41 41 44 43 44 44  
PWIND DIR N NE E E E SE E SE  
WIND CHAR BZ GN GN GN BZ BZ BZ BZ  
AVG CLOUDS B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1  
POP 12HR 40 20 20 20 10 20 10 20  
RAIN SHWRS C C S S S S S S S S S S  
TSTMS S S S S S S  
 

 
MTZ022-182300-  
JORDAN-GARFIELD MT  
47.33N 106.95W ELEV. 2661 FT  
930 AM MDT SAT MAY 18 2013  
 
DATE SAT 05/18/13 SUN 05/19/13 MON 05/20/13  
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 66 49 65 47 64  
TEMP 64 66 66 57 53 51 49 57 63 65 65 56 51 49 47 56 62 64 63  
DEWPT 52 52 52 50 49 48 47 48 49 49 48 46 45 44 44 45 46 46 45  
RH 65 61 61 77 86 89 93 72 60 56 54 69 80 83 89 66 56 52 52  
WIND DIR N N N NW NW NW NW NW NW NW NW N NW NW NW N N N N  
WIND SPD 4 6 5 4 6 9 12 13 14 17 13 12 10 10 12 12 17 18 18  
CLOUDS OV OV OV OV OV OV OV OV OV OV B2 B2 OV OV B2 B2 B2 B2 B2  
POP 12HR 100 100 80 70 70  
QPF 12HR 0.15 0.22 0.16 0.15 0.18  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS D D D D D D D D D D L L L L L L L L C  
TSTMS S S S S S S S S S S S S  
 
DATE TUE 05/21/13 WED 05/22/13 THU 05/23/13 FRI 05/24/13  
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 44 67 42 68 45 67 49 72  
TEMP 49 44 64 66 48 42 65 67 51 45 64 67 53 49 69 72  
DEWPT 41 39 40 38 39 38 43 43 43 41 44 43 44 43 46 45  
PWIND DIR N NE E SE E SE SE SE  
WIND CHAR BZ LT GN BZ BZ BZ GN BZ  
AVG CLOUDS B2 B2 B1 B1 B1 B1 B1 B1 SC SC B1 B1 B1 B1 B1 B1  
POP 12HR 40 20 20 30 30 20 20 20  
RAIN SHWRS C C S S S S C C C C S S S S S S  
TSTMS S S C C S S S S S S  
 

 
MTZ024-182300-  
SIDNEY-RICHLAND MT  
47.70N 104.20W ELEV. 1985 FT  
930 AM MDT SAT MAY 18 2013  
 
DATE SAT 05/18/13 SUN 05/19/13 MON 05/20/13  
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 70 49 64 48 63  
TEMP 66 69 69 59 53 50 49 56 60 63 63 55 51 49 48 55 59 62 62  
DEWPT 53 54 53 50 47 47 46 48 48 48 48 46 44 44 44 45 45 45 45  
RH 63 59 57 72 80 89 89 74 64 58 58 72 77 83 86 69 60 54 54  
WIND DIR N NE NE N N N N N N NE N N N N N N N N N  
WIND SPD 5 9 6 4 5 5 5 4 9 12 12 12 12 13 17 17 20 20 19  
CLOUDS B1 B1 B2 B2 B2 B2 B2 B2 OV OV OV OV OV OV B2 B2 B2 B2 B2  
POP 12HR 40 90 80 80 60  
QPF 12HR 0.10 0.20 0.17 0.30 0.24  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C D D D D D D D D D D D D L L L L C  
TSTMS S S S S S S S S S S S S  
 
DATE TUE 05/21/13 WED 05/22/13 THU 05/23/13 FRI 05/24/13  
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 44 66 46 66 46 68 50 70  
TEMP 48 44 61 65 50 46 61 65 50 46 63 67 53 50 65 70  
DEWPT 40 40 43 43 42 42 42 41 41 41 44 44 45 45 46 45  
PWIND DIR N N NE E E SE SE SE  
WIND CHAR BZ GN GN GN BZ BZ BZ BZ  
AVG CLOUDS B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 SC SC B1 B1 B1 B1  
POP 12HR 50 20 20 20 10 10 10 20  
RAIN SHWRS C C S S S S S S S S  
TSTMS S S S S  
 

 
MTZ025-182300-  
GLENDIVE-DAWSON MT  
47.13N 104.80W ELEV. 2457 FT  
930 AM MDT SAT MAY 18 2013  
 
DATE SAT 05/18/13 SUN 05/19/13 MON 05/20/13  
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 68 49 62 48 61  
TEMP 65 68 67 58 53 50 49 55 59 62 61 55 51 49 48 54 58 61 60  
DEWPT 52 53 51 48 48 47 46 48 47 47 46 45 45 44 44 45 44 44 43  
RH 63 59 56 69 83 89 89 77 64 58 58 69 80 83 86 71 59 53 53  
WIND DIR NE NE N N N NW NW NW N N N N N N N N N N N  
WIND SPD 2 2 6 6 5 4 8 6 8 12 12 12 10 11 16 16 19 20 19  
CLOUDS B2 B2 B2 B2 B2 B2 B2 B2 OV OV OV OV OV OV OV OV B2 B2 B2  
POP 12HR 90 100 80 80 70  
QPF 12HR 0.13 0.20 0.15 0.22 0.23  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS D D D D D D D D D D D D D D L L L L C  
TSTMS S S S S S S S S S S S S  
 
DATE TUE 05/21/13 WED 05/22/13 THU 05/23/13 FRI 05/24/13  
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 42 68 43 68 47 67 48 73  
TEMP 46 42 62 66 48 43 63 67 51 47 63 66 52 48 67 72  
DEWPT 39 37 45 44 41 38 44 44 43 41 43 42 45 43 47 47  
PWIND DIR N N E E E SE SE SE  
WIND CHAR BZ GN GN GN BZ BZ BZ BZ  
AVG CLOUDS B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1  
POP 12HR 50 30 20 20 20 20 10 20  
RAIN SHWRS C C C C S S S S S S S S S S  
TSTMS S S S S S S  
 

 
 
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