277  
FOUS55 KBYZ 142202  
PFMBYZ  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE BILLINGS MT  
401 PM MDT WED APR 14 2021  
 
MTZ235-151100-  
BILLINGS-YELLOWSTONE MT  
45.81N 108.53W ELEV. 3648 FT  
401 PM MDT WED APR 14 2021  
 
DATE 04/14/21 THU 04/15/21 FRI 04/16/21 SAT  
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 28 39 29 47 31  
TEMP 36 34 31 30 29 30 36 38 39 34 31 31 29 32 39 45 47 40 35 34 31  
DEWPT 19 22 24 25 24 26 25 24 24 25 27 27 27 28 25 23 20 23 23 22 22  
RH 50 61 75 81 81 85 64 57 54 69 85 85 92 85 57 41 34 50 61 61 69  
WIND DIR NE NE NE NE NE NE NE NE NE NE N NW NW NW N N N N W W W  
WIND SPD 13 10 10 11 10 10 13 11 10 5 5 6 8 9 11 12 12 6 5 9 9  
CLOUDS OV OV B2 OV OV OV OV OV OV OV OV OV OV B2 B2 B1 B1 SC SC SC SC  
POP 12HR 30 60 50 30 5  
QPF 12HR 0 0.03 0.02 0.03 0  
SNOW 12HR 00-00 T T  
RAIN S S  
SNOW S S C C C C L L C C C C C C S  
 
DATE 04/17/21 SUN 04/18/21 MON 04/19/21 TUE 04/20/21 WED 04/21/21  
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 60 36 63 29 41 24 48 29 54  
TEMP 52 59 42 36 59 57 39 29 36 39 31 24 40 47 34 29 48 54  
DEWPT 26 23 22 21 31 31 30 23 21 19 20 15 18 19 19 18 24 24  
PWIND DIR NW W W N N N NW SE NW  
WIND CHAR GN LT GN GN GN GN GN LT GN  
AVG CLOUDS FW FW SC SC SC B1 B2 B2 B2 B2 B1 SC SC SC SC SC SC SC  
POP 12HR 0 0 30 70 50 20 10 5 10  
RAIN C L  
SNOW L C C S  
 

 
MTZ065-151100-  
LIVINGSTON-PARK MT  
45.70N 110.47W ELEV. 4656 FT  
401 PM MDT WED APR 14 2021  
 
DATE 04/14/21 THU 04/15/21 FRI 04/16/21 SAT  
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 27 39 28 45 28  
TEMP 35 31 30 28 28 30 34 39 38 34 31 29 28 33 40 44 44 36 33 30 28  
DEWPT 20 23 24 25 25 24 24 24 24 26 27 27 25 24 23 21 20 21 21 20 18  
RH 54 72 78 88 88 78 66 54 57 72 85 92 88 69 50 39 38 54 61 66 66  
WIND DIR E E E E E E E E E E E NE NW NE E NE NE E W W W  
WIND SPD 24 20 18 16 14 18 18 18 18 13 10 10 11 11 16 16 17 13 10 11 11  
CLOUDS OV B2 B2 B2 OV OV B2 B2 B2 B1 B2 B2 B2 B2 B1 B1 B1 SC FW FW FW  
POP 12HR 40 60 40 20 5  
QPF 12HR 0.01 0.02 0.01 0.01 0  
SNOW 12HR T T T  
SNOW C C C C C C L L C C C C S S  
WIND CHILL 22 18 17 16 17 18  
MIN CHILL 22 17 16 15 26 22 18 20 24 18  
 
DATE 04/17/21 SUN 04/18/21 MON 04/19/21 TUE 04/20/21 WED 04/21/21  
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 58 35 62 31 40 23 47 28 52  
TEMP 50 56 40 35 58 57 39 31 36 38 28 23 41 45 34 28 46 52  
DEWPT 23 24 23 21 30 30 29 23 21 19 17 13 19 21 20 18 23 24  
PWIND DIR W SW W NE NE NW W NW NW  
WIND CHAR GN GN BZ GN BZ GN GN GN GN  
AVG CLOUDS FW FW FW FW SC B1 B2 B2 B2 B1 SC SC SC SC SC SC SC B1  
POP 12HR 0 0 30 70 50 20 20 10 20  
RAIN C L S S  
SNOW L C C S S  
 

 
MTZ032-151100-  
MILES CITY-CUSTER MT  
46.42N 105.90W ELEV. 2628 FT  
401 PM MDT WED APR 14 2021  
 
DATE 04/14/21 THU 04/15/21 FRI 04/16/21 SAT  
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 23 43 29 46 27  
TEMP 37 31 28 25 23 28 38 42 43 35 33 30 29 32 40 45 45 37 32 29 27  
DEWPT 21 23 23 22 21 23 26 26 26 26 28 27 26 27 26 23 20 22 22 21 21  
RH 52 72 81 88 92 81 62 53 51 69 82 88 88 81 57 41 36 54 66 72 78  
WIND DIR NE NE NE NE NE NE NE NE NE NE NE N N N N N N NE S W NW  
WIND SPD 10 8 6 8 5 6 6 9 10 5 3 5 6 8 11 13 13 6 2 4 5  
CLOUDS B2 B2 B2 B2 B2 B2 B1 B2 OV OV OV OV OV B2 B1 B1 B1 SC FW FW SC  
POP 12HR 0 10 40 20 5  
QPF 12HR 0 0 0 0.01 0  
SNOW 12HR 00-00 00-00 00-00  
SNOW C C C C S S  
 
DATE 04/17/21 SUN 04/18/21 MON 04/19/21 TUE 04/20/21 WED 04/21/21  
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 57 34 60 27 40 22 47 25 54  
TEMP 49 56 39 34 58 51 34 27 35 39 28 22 41 46 32 25 46 53  
DEWPT 26 22 23 22 34 31 26 21 18 15 16 14 17 15 17 16 21 19  
PWIND DIR NW W NW N N NW NW N NW  
WIND CHAR GN LT GN GN GN GN GN LT GN  
AVG CLOUDS FW FW SC SC SC B1 B2 B2 B2 B2 B1 FW SC SC SC FW FW FW  
POP 12HR 0 0 30 60 30 10 5 0 0  
RAIN C L  
SNOW L C C S  
 

 
MTZ033-151100-  
BAKER-FALLON MT  
46.38N 104.24W ELEV. 2969 FT  
401 PM MDT WED APR 14 2021  
 
DATE 04/14/21 THU 04/15/21 FRI 04/16/21 SAT  
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 20 42 26 40 22  
TEMP 36 26 21 20 20 28 37 41 39 31 29 27 26 30 35 39 39 29 25 24 23  
DEWPT 24 20 18 17 17 22 25 26 26 26 25 24 24 24 25 23 21 20 19 18 18  
RH 61 78 88 88 88 78 61 55 59 81 85 88 92 78 66 52 48 69 78 77 81  
WIND DIR NE NE E E E E E NE NE NE N N N N N N N N N NW NW  
WIND SPD 10 8 5 4 3 5 6 9 10 6 4 3 5 9 12 14 14 8 4 4 5  
CLOUDS B1 B2 B2 OV B2 B2 B2 OV OV OV OV OV OV B2 B2 B1 SC FW FW SC SC  
POP 12HR 0 10 30 30 5  
QPF 12HR 0 0 0.04 0.02 0  
SNOW 12HR 00-00 00-00 T  
SNOW S S C C C C  
OBVIS PF  
 
DATE 04/17/21 SUN 04/18/21 MON 04/19/21 TUE 04/20/21 WED 04/21/21  
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 52 30 57 22 37 18 45 22 53  
TEMP 45 51 33 31 56 48 29 22 33 35 22 18 39 44 27 22 46 53  
DEWPT 24 22 21 21 33 29 22 17 17 13 14 12 17 16 14 13 19 20  
PWIND DIR NW W W N N NW NW W W  
WIND CHAR GN GN GN BZ BZ GN GN GN GN  
AVG CLOUDS SC SC FW SC B1 B1 B2 B2 B2 B1 B1 SC SC SC FW FW FW FW  
POP 12HR 0 0 30 50 30 5 5 0 0  
RAIN C C  
SNOW C C C  
 

 
WYZ199-151100-  
SHERIDAN-SHERIDAN WY  
44.80N 106.96W ELEV. 4019 FT  
401 PM MDT WED APR 14 2021  
 
DATE 04/14/21 THU 04/15/21 FRI 04/16/21 SAT  
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 24 37 27 39 25  
TEMP 38 32 30 26 25 27 34 37 36 32 30 27 27 30 35 39 37 31 30 26 25  
DEWPT 20 23 22 22 22 24 25 25 27 28 27 26 26 27 25 24 25 23 23 20 19  
RH 48 69 72 85 88 88 69 61 69 85 88 96 96 88 66 54 61 72 75 78 78  
WIND DIR NE E E NE N N N N NE N NW NW NW NW NW N NW NW W W W  
WIND SPD 8 5 4 3 3 8 10 8 10 4 4 4 6 8 13 13 12 6 6 5 6  
CLOUDS B2 OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B1 SC SC SC  
POP 12HR 70 80 80 70 20  
QPF 12HR 0.03 0.14 0.08 0.08 0.01  
SNOW 12HR T 1 1  
RAIN C S  
SNOW C C L L D D D D L L D D L L C C S S  
OBVIS PF  
WINTER WEATH Y Y Y Y Y Y Y Y Y Y Y Y  
 
DATE 04/17/21 SUN 04/18/21 MON 04/19/21 TUE 04/20/21 WED 04/21/21  
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 51 28 58 25 36 18 43 21 50  
TEMP 45 50 33 28 56 54 33 26 32 35 23 18 35 41 25 21 44 49  
DEWPT 25 26 22 20 31 32 28 22 19 21 15 12 19 22 16 15 24 25  
PWIND DIR NW W W NW N NW NW W NW  
WIND CHAR GN LT GN GN GN GN GN LT LT  
AVG CLOUDS SC SC SC SC SC B1 B2 B2 B2 B2 B1 SC SC SC SC FW SC SC  
POP 12HR 5 0 20 70 60 30 10 10 10  
RAIN S L  
SNOW L L L C C S  
 

 
 
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