745  
FOUS55 KBYZ 170318  
PFMBYZ  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE BILLINGS MT  
818 PM MST SAT DEC 16 2017  
 
MTZ035-171100-  
BILLINGS-YELLOWSTONE MT  
45.81N 108.53W ELEV. 3648 FT  
818 PM MST SAT DEC 16 2017  
 
DATE SAT 12/16/17 SUN 12/17/17 MON 12/18/17 TUE  
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05  
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 18 39 30 47 28  
TEMP 23 21 19 19 30 38 35 31 30 31 31 31 40 47 42 36 34 32 29  
DEWPT 22 20 17 17 20 20 19 20 19 20 20 21 23 25 25 25 26 27 25  
RH 96 96 92 92 66 48 52 63 63 63 63 66 50 42 50 64 72 81 85  
WIND DIR W SW SW SW SW W W W SW W W W W W W W NW NW SW  
WIND SPD 4 8 12 16 14 17 18 18 19 19 20 19 20 20 19 19 9 9 6  
CLOUDS B2 SC SC FW FW SC SC SC B1 B2 B2 B1 B1 B2 B2 OV B2 OV OV  
POP 12HR 60 5 10 20 30  
QPF 12HR 0.02 0 0 0.01 0.04  
SNOW 12HR T 00-00 00-00  
RAIN S S C C  
SNOW C C C C S  
SNOWSHWRS S S  
OBVIS PF PF  
 
DATE 12/19/17 WED 12/20/17 THU 12/21/17 FRI 12/22/17 SAT 12/23/17  
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 42 31 36 10 23 15 23 10 20  
TEMP 35 38 36 33 36 27 18 12 18 20 15 15 20 19 15 12 16 20  
DEWPT 27 27 27 23 27 16 10 5 7 6 6 6 9 8 10 6 6 5  
PWIND DIR SW S SW NW NW W W NW NW  
WIND CHAR GN BZ BZ BZ GN GN GN GN GN  
AVG CLOUDS OV B2 B2 B2 B2 B2 OV B2 SC SC SC B1 B2 B2 B2 B2 B2 SC  
POP 12HR 20 30 70 70 5 5 20 30 20  
RAIN S C C  
SNOW S C C C L L C S S C C S  
 

 
MTZ065-171100-  
LIVINGSTON-PARK MT  
45.70N 110.47W ELEV. 4656 FT  
818 PM MST SAT DEC 16 2017  
 
DATE SAT 12/16/17 SUN 12/17/17 MON 12/18/17 TUE  
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05  
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 10 37 33 45 33  
TEMP 22 14 12 10 29 35 33 33 36 35 36 35 42 45 43 40 43 40 38  
DEWPT 17 11 8 4 13 17 17 19 22 21 24 24 25 26 27 27 31 32 32  
RH 81 88 84 76 51 47 51 56 56 56 61 64 50 47 53 59 62 73 79  
WIND DIR W W W SW SW W SW SW SW SW SW SW SW SW SW SW SW SW SW  
WIND SPD 6 10 19 25 28 32 39 42 43 46 51 51 46 43 34 34 27 27 17  
WIND GUST 35 40 44 55 59 60 63 72 72 64 60 48 48 39 39  
CLOUDS B1 FW FW FW SC SC B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 OV  
POP 12HR 30 5 20 40 30  
QPF 12HR 0.01 0 0.01 0.04 0.04  
SNOW 12HR T 00-00 00-00  
RAIN C C C C C C C  
RAIN SHWRS S S C C  
SNOW C  
SNOWSHWRS S S C C  
OBVIS PF PF  
HIGH WIND A A A A A A A A  
 
DATE 12/19/17 WED 12/20/17 THU 12/21/17 FRI 12/22/17 SAT 12/23/17  
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 46 34 38 8 21 14 21 9 19  
TEMP 40 44 46 41 33 23 16 9 17 18 18 16 19 19 17 11 16 19  
DEWPT 30 27 28 26 23 13 7 5 7 4 5 10 8 7 7 7 7 7  
PWIND DIR SW SW SW NW W W SW W W  
WIND CHAR BZ VW WY BZ GN GN GN BZ BZ  
AVG CLOUDS OV B2 B2 B2 OV OV B2 B2 B1 SC SC B1 B1 B2 B2 B2 B1 SC  
POP 12HR 30 40 70 60 5 20 20 30 20  
RAIN C C C C L  
SNOW C L L L C S S S C C S  
 

 
MTZ032-171100-  
MILES CITY-CUSTER MT  
46.42N 105.90W ELEV. 2628 FT  
818 PM MST SAT DEC 16 2017  
 
DATE SAT 12/16/17 SUN 12/17/17 MON 12/18/17 TUE  
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05  
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 19 41 29 47 24  
TEMP 24 21 20 20 33 41 32 31 31 30 32 33 44 46 39 35 32 29 27  
DEWPT 19 18 18 19 24 21 20 21 23 22 23 25 28 27 27 27 25 23 23  
RH 81 88 92 96 69 44 61 66 72 72 69 72 53 47 62 72 75 78 85  
WIND DIR SW S S S S SW SW SW SW SW SW SW W W NW NW NW NW W  
WIND SPD 4 5 6 8 11 12 10 10 12 12 16 17 20 20 14 14 9 9 9  
CLOUDS B1 B1 SC FW FW FW SC SC B1 B1 OV B2 B2 B2 B2 B2 B2 B2 B2  
POP 12HR 0 0 10 20 20  
QPF 12HR 0 0 0 0.03 0.02  
SNOW 12HR 00-00 00-00 00-00  
RAIN S S S S  
SNOW S S S S S  
SNOWSHWRS S S  
 
DATE 12/19/17 WED 12/20/17 THU 12/21/17 FRI 12/22/17 SAT 12/23/17  
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 39 25 36 7 21 14 20 8 18  
TEMP 33 33 29 27 35 24 16 9 15 18 15 15 18 16 13 9 15 18  
DEWPT 23 20 21 22 26 16 8 4 5 9 10 11 10 8 7 5 6 4  
PWIND DIR W S W NW NW W NW NW NW  
WIND CHAR GN GN GN BZ GN GN GN GN GN  
AVG CLOUDS B2 B2 OV OV OV OV OV B2 SC FW SC B1 B2 B2 B2 B2 B1 SC  
POP 12HR 20 30 70 70 5 5 20 30 10  
RAIN S  
SNOW S S C C C L L S S S C S  
 

 
MTZ033-171100-  
BAKER-FALLON MT  
46.38N 104.24W ELEV. 2969 FT  
818 PM MST SAT DEC 16 2017  
 
DATE SAT 12/16/17 SUN 12/17/17 MON 12/18/17 TUE  
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05  
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 15 39 26 45 22  
TEMP 22 19 16 18 33 39 29 27 29 27 29 32 41 44 36 32 29 26 24  
DEWPT 19 17 14 14 22 25 21 22 22 21 22 22 26 29 29 27 24 23 21  
RH 88 92 92 84 63 57 72 81 75 78 75 66 55 55 75 81 81 88 88  
WIND DIR W W SW S S SW SW SW SW W W W W W NW NW W W W  
WIND SPD 3 3 4 5 14 14 12 12 14 14 16 19 23 21 14 14 11 11 11  
CLOUDS B2 B1 B1 SC FW FW SC SC B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2  
POP 12HR 0 0 10 20 20  
QPF 12HR 0 0 0 0.02 0.01  
SNOW 12HR 00-00 00-00 00-00  
RAIN S S  
SNOW S S  
SNOWSHWRS S S  
 
DATE 12/19/17 WED 12/20/17 THU 12/21/17 FRI 12/22/17 SAT 12/23/17  
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 37 22 34 4 19 10 19 2 17  
TEMP 33 29 29 24 32 22 13 6 14 12 11 11 17 12 7 4 12 17  
DEWPT 21 19 21 20 23 19 9 3 5 7 6 9 7 8 5 2 4 7  
PWIND DIR W S SW NW NW W NW NW NW  
WIND CHAR GN GN GN BZ BZ GN GN GN GN  
AVG CLOUDS B2 B2 B2 B2 B2 OV OV OV B1 SC SC B1 B2 B2 B2 B1 B1 B1  
POP 12HR 5 20 70 70 5 10 20 20 10  
SNOW S S C L L S S S S S  
 

 
WYZ099-171100-  
SHERIDAN-SHERIDAN WY  
44.80N 106.96W ELEV. 4019 FT  
818 PM MST SAT DEC 16 2017  
 
DATE SAT 12/16/17 SUN 12/17/17 MON 12/18/17 TUE  
MST 3HRLY 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05  
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 11 38 23 49 23  
TEMP 22 18 14 12 28 38 29 24 24 23 26 27 42 49 39 32 30 26 25  
DEWPT 19 15 11 11 18 21 19 15 17 17 21 22 30 30 26 24 23 22 22  
RH 88 88 88 96 66 50 66 68 74 77 81 81 62 48 59 72 75 85 88  
WIND DIR N SW W S SW S W SW SW SW W W W NW W W NW NW W  
WIND SPD 3 5 4 5 5 4 5 4 6 6 9 11 12 13 10 10 9 9 4  
CLOUDS OV B2 B1 FW FW FW SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B2 B1  
POP 12HR 90 5 5 10 20  
QPF 12HR 0.03 0 0 0 0.02  
SNOW 12HR 1 00-00 00-00  
SNOW S S S S  
SNOWSHWRS S  
OBVIS PF PF  
WINTER WEATH  
 
DATE 12/19/17 WED 12/20/17 THU 12/21/17 FRI 12/22/17 SAT 12/23/17  
MST 6HRLY 11 17 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17  
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MAX/MIN 44 26 40 8 19 9 23 5 18  
TEMP 38 37 31 29 39 27 17 11 15 14 11 10 20 17 11 8 14 18  
DEWPT 27 28 25 23 24 20 13 7 4 6 5 4 10 9 7 4 5 5  
PWIND DIR W S SW NW NW NW NW NW NW  
WIND CHAR LT GN GN GN GN GN GN GN GN  
AVG CLOUDS B1 B1 B1 B1 B1 B2 OV OV B2 SC SC B1 B1 B1 B1 B2 B2 B1  
POP 12HR 10 10 60 70 20 5 20 30 20  
RAIN L  
SNOW C L L C S S S C C S  
 

 
 
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