006  
FOUS55 KBYZ 141001  
PFMBYZ  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE BILLINGS MT  
401 AM MDT FRI MAY 14 2021  
 
MTZ235-142300-  
BILLINGS-YELLOWSTONE MT  
45.81N 108.53W ELEV. 3648 FT  
401 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 69 46 71 46 77  
TEMP 45 55 66 69 65 58 52 48 46 56 66 70 70 62 55 49 47 60 71 76 76  
DEWPT 40 43 42 42 40 42 41 40 40 44 45 43 42 42 42 41 39 43 39 38 38  
RH 82 64 42 37 40 55 66 74 79 64 47 38 36 48 61 74 74 53 31 25 25  
WIND DIR W E NE E NE NW NW N W SW E E E E W W SW SW S SE SE  
WIND SPD 5 3 5 6 6 5 4 4 4 3 5 6 6 5 4 5 5 4 4 5 8  
CLOUDS B2 B1 SC B1 B2 B2 B1 B2 B2 B1 B1 B1 B1 SC FW FW FW CL CL CL CL  
POP 12HR 40 30 20 10 5  
QPF 12HR 0.05 0.02 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C S S  
TSTMS C S 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 84 54 83 54 80 53 76  
TEMP 57 50 76 83 62 54 77 81 63 54 74 78 61 53 71 74  
DEWPT 38 37 42 39 39 39 42 40 39 40 41 40 42 40 41 39  
PWIND DIR SE S S N SE S SW NW  
WIND CHAR LT LT LT GN LT LT GN GN  
AVG CLOUDS FW CL FW CL FW FW FW SC SC SC SC SC B1 B1 B1 B1  
POP 12HR 0 0 5 10 20 20 30 30  
RAIN SHWRS S S C S S C  
TSTMS S S S S  
 

 
MTZ065-142300-  
LIVINGSTON-PARK MT  
45.70N 110.47W ELEV. 4656 FT  
401 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 67 44 69 42 75  
TEMP 43 53 63 67 63 54 49 46 44 53 64 69 67 57 50 45 43 57 68 74 73  
DEWPT 36 41 40 39 41 43 42 40 39 43 44 43 42 41 39 37 35 40 39 38 39  
RH 76 64 43 36 44 66 77 79 82 69 48 39 40 55 66 73 73 53 34 27 29  
WIND DIR SW NE E E E E E SW SW NE E E E SE W SW W SW E E E  
WIND SPD 5 5 10 10 13 12 9 5 5 6 10 12 11 10 6 5 6 8 10 11 11  
CLOUDS B2 B1 B2 B1 B1 B1 B2 B1 B2 B1 B1 B1 SC FW FW FW FW FW CL CL CL  
POP 12HR 40 30 30 5 5  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C C S C C  
TSTMS S C S S C C  
 
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 45 81 48 79 47 76 46 70  
TEMP 52 45 75 78 56 48 75 74 57 47 73 72 54 46 66 66  
DEWPT 37 34 41 38 37 34 42 42 40 36 42 42 40 36 39 37  
PWIND DIR SE W S S S SW SW SW  
WIND CHAR GN GN GN GN GN GN GN GN  
AVG CLOUDS CL CL CL FW FW FW FW SC B1 SC B1 B1 B1 SC B1 B1  
POP 12HR 0 5 5 10 20 40 30 40  
RAIN SHWRS S C C S S C  
TSTMS S S S S  
 

 
MTZ032-142300-  
MILES CITY-CUSTER MT  
46.42N 105.90W ELEV. 2628 FT  
401 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 70 44 73 45 77  
TEMP 41 57 67 69 69 59 52 46 44 58 70 72 72 63 55 49 46 60 72 76 76  
DEWPT 38 44 43 41 39 39 39 38 38 43 42 41 40 41 42 42 41 45 40 37 36  
RH 89 62 42 36 33 47 61 73 79 57 36 33 31 44 61 77 83 58 31 24 23  
WIND DIR W N NE W NE NE NE NE NE E SE SE SE SE S S S SW S S SE  
WIND SPD 3 2 3 5 6 4 2 2 2 2 3 4 5 3 2 2 4 4 5 5 5  
CLOUDS SC FW FW B1 SC SC SC FW FW SC SC B1 SC SC FW FW FW CL CL FW CL  
POP 12HR 20 5 10 5 5  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S  
TSTMS 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 84 54 85 54 81 54 78  
TEMP 58 49 79 83 64 54 79 83 65 54 76 79 63 54 74 76  
DEWPT 39 41 45 41 41 43 45 40 43 42 45 43 43 43 47 43  
PWIND DIR SE S S SE SE SE SE SE  
WIND CHAR LT GN GN GN GN GN GN GN  
AVG CLOUDS FW FW FW CL FW FW FW FW FW SC SC SC SC SC SC B1  
POP 12HR 0 5 5 5 10 10 20 30  
RAIN SHWRS S C  
TSTMS S S  
 

 
MTZ033-142300-  
BAKER-FALLON MT  
46.38N 104.24W ELEV. 2969 FT  
401 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 69 42 72 44 75  
TEMP 40 59 66 69 67 56 48 45 42 61 70 72 71 58 51 48 45 62 70 74 73  
DEWPT 34 38 35 36 36 37 36 36 34 40 38 37 38 40 41 40 39 43 40 39 40  
RH 79 45 32 30 32 49 63 70 73 46 31 28 30 51 68 74 79 50 33 28 30  
WIND DIR W W NW N N E E E SE SE SE S S SE S S S SW SW S SE  
WIND SPD 2 3 4 5 6 3 3 2 2 5 5 5 6 4 4 3 4 8 8 8 8  
CLOUDS FW FW SC B1 SC SC FW FW FW SC SC B1 B1 SC SC FW FW CL FW FW FW  
POP 12HR 20 5 20 10 10  
QPF 12HR 0 0 0.02 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S  
TSTMS S 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 47 80 50 82 50 78 51 75  
TEMP 54 48 76 77 58 51 77 79 59 50 75 75 58 52 71 73  
DEWPT 39 41 43 41 42 43 45 42 43 41 45 44 44 44 46 44  
PWIND DIR SE S S S SE SE SE SE  
WIND CHAR LT GN GN GN GN GN BZ BZ  
AVG CLOUDS FW FW FW CL FW FW FW FW FW FW FW SC SC SC SC B1  
POP 12HR 0 5 5 5 10 20 20 30  
RAIN SHWRS S S S C  
TSTMS S S S  
 

 
WYZ199-142300-  
SHERIDAN-SHERIDAN WY  
44.80N 106.96W ELEV. 4019 FT  
401 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 64 42 66 41 72  
TEMP 41 54 63 63 62 54 48 44 43 54 64 65 64 55 49 44 42 56 66 71 71  
DEWPT 37 43 45 45 45 44 40 39 39 44 48 48 48 46 42 39 37 43 43 42 44  
RH 85 66 52 52 54 69 74 82 86 69 56 54 56 72 77 82 82 62 43 35 38  
WIND DIR W N N SW SW SW S W W NE SE S NW SE SW SW SW E E E SE  
WIND SPD 3 2 5 8 9 5 5 3 3 2 6 6 9 4 5 3 4 2 5 5 9  
CLOUDS B2 B1 B2 B2 B2 B1 SC B1 B2 B2 B2 B2 B2 B1 SC SC FW FW FW FW FW  
POP 12HR 30 20 50 20 10  
QPF 12HR 0 0 0.07 0.01 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C C S S S C C S S  
TSTMS C C S S C C 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 43 78 47 79 47 75 48 74  
TEMP 51 44 73 76 55 48 74 76 56 48 71 71 55 48 71 71  
DEWPT 39 36 42 43 42 39 44 45 42 38 45 44 42 40 47 46  
PWIND DIR S SE S NW S SE S S  
WIND CHAR LT LT GN GN GN GN GN GN  
AVG CLOUDS FW CL FW FW FW FW FW SC SC SC SC SC B1 B1 B1 B1  
POP 12HR 5 5 5 10 10 20 20 30  
RAIN SHWRS S S S C  
TSTMS S S S  
 

 
 
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