828  
FOUS55 KBYZ 200328  
PFMBYZ  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE BILLINGS MT  
927 PM MDT TUE OCT 19 2021  
 
MTZ235-201100-  
BILLINGS-YELLOWSTONE MT  
45.81N 108.53W ELEV. 3648 FT  
927 PM MDT TUE OCT 19 2021  
 
DATE 10/19/21 WED 10/20/21 THU 10/21/21 FRI  
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 32 55 39 65 38  
TEMP 35 35 35 34 44 54 52 46 44 43 42 42 56 63 60 52 47 44 39  
DEWPT 32 31 30 31 33 33 32 32 32 33 33 33 34 31 32 32 32 31 28  
RH 89 85 82 89 65 45 46 58 62 67 70 70 43 30 35 46 56 60 64  
WIND DIR E E S S SE SE E NW SW SW SW SW SW SW SW SW SW SW SW  
WIND SPD 6 5 5 6 5 5 5 5 10 10 10 10 10 10 6 9 9 8 9  
CLOUDS B2 B1 B1 B1 SC B1 B2 SC FW SC B1 SC FW FW FW FW FW FW SC  
POP 12HR 5 0 0 0 0  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
OBVIS PF PF PF  
 
DATE 10/22/21 SAT 10/23/21 SUN 10/24/21 MON 10/25/21 TUE 10/26/21  
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 67 44 61 41 61 40 62 42 57  
TEMP 57 62 49 45 56 59 46 42 55 58 45 40 54 60 49 43 51 57  
DEWPT 34 34 32 31 33 31 31 29 34 32 30 28 33 34 31 27 28 25  
PWIND DIR SW S W S SW SW S SW W  
WIND CHAR GN LT GN LT GN LT GN GN BZ  
AVG CLOUDS SC FW B1 B1 B2 B1 B2 B2 B1 B1 B1 B1 B1 B1 B2 B2 B2 B1  
POP 12HR 0 10 10 10 10 20 20 30 20  
RAIN S S C C S S  
 

 
MTZ065-201100-  
LIVINGSTON-PARK MT  
45.70N 110.47W ELEV. 4656 FT  
927 PM MDT TUE OCT 19 2021  
 
DATE 10/19/21 WED 10/20/21 THU 10/21/21 FRI  
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 29 62 36 63 35  
TEMP 33 32 32 35 49 59 55 48 44 41 39 41 56 62 57 48 43 40 35  
DEWPT 31 31 30 32 34 32 32 32 32 33 33 33 34 32 32 33 32 32 29  
RH 92 96 92 89 56 36 41 54 62 73 79 73 43 32 38 56 65 73 78  
WIND DIR SE SE S S SE S S SW W W W W SW W W SW SW SW SW  
WIND SPD 10 9 9 9 12 14 13 11 11 10 10 12 18 18 13 10 10 11 11  
CLOUDS B1 B1 B2 B2 SC B1 FW FW SC B1 B1 SC FW FW FW FW FW FW SC  
POP 12HR 0 0 0 0 0  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
OBVIS PF PF PF  
 
DATE 10/22/21 SAT 10/23/21 SUN 10/24/21 MON 10/25/21 TUE 10/26/21  
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 67 38 58 36 56 36 57 35 52  
TEMP 60 62 45 38 51 53 41 36 52 52 40 36 52 52 41 35 47 52  
DEWPT 37 34 29 28 32 31 30 30 34 32 30 30 35 34 31 28 28 27  
PWIND DIR SW S SW SW SW SW S SW SW  
WIND CHAR GN GN GN GN GN GN GN GN BZ  
AVG CLOUDS SC SC B1 B1 B2 B2 B1 B2 B1 B1 B1 B1 B2 B2 B2 B2 B1 B1  
POP 12HR 0 20 20 30 30 30 40 50 40  
RAIN S S S S C C C C C C C C C C C  
 

 
MTZ032-201100-  
MILES CITY-CUSTER MT  
46.42N 105.90W ELEV. 2628 FT  
927 PM MDT TUE OCT 19 2021  
 
DATE 10/19/21 WED 10/20/21 THU 10/21/21 FRI  
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 50 31 62 33  
TEMP 31 30 30 30 41 48 45 39 36 34 32 37 53 60 56 48 43 39 33  
DEWPT 30 29 27 28 29 27 26 29 29 31 30 35 36 34 34 35 34 33 28  
RH 96 96 88 92 62 44 47 67 75 89 92 92 52 37 43 60 70 79 82  
WIND DIR NE NE NE E SE SE E E SE SE S W W W W SW SW SW SW  
WIND SPD 5 4 3 3 5 9 5 5 5 4 3 4 8 8 2 3 3 3 2  
CLOUDS B1 B1 SC SC FW FW SC B2 SC SC SC B1 SC FW SC FW FW FW FW  
POP 12HR 5 0 0 0 0  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
OBVIS PF PF PF PF  
 
DATE 10/22/21 SAT 10/23/21 SUN 10/24/21 MON 10/25/21 TUE 10/26/21  
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 64 39 58 38 59 38 63 41 56  
TEMP 55 58 46 39 52 55 42 38 52 57 46 38 57 60 50 42 53 56  
DEWPT 35 38 38 35 36 35 36 35 39 40 38 33 38 39 37 33 35 32  
PWIND DIR S SE E SE SE S SE S W  
WIND CHAR LT GN LT LT LT LT GN GN GN  
AVG CLOUDS SC FW SC B2 B2 B1 B2 B2 B2 B1 B1 B1 SC B1 B2 B2 B2 B1  
POP 12HR 0 5 10 10 5 5 10 20 20  
RAIN S S S  
 

 
MTZ033-201100-  
BAKER-FALLON MT  
46.38N 104.24W ELEV. 2969 FT  
927 PM MDT TUE OCT 19 2021  
 
DATE 10/19/21 WED 10/20/21 THU 10/21/21 FRI  
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 45 27 58 30  
TEMP 30 29 28 31 38 44 39 32 30 29 28 37 50 56 51 42 40 36 30  
DEWPT 27 26 25 28 26 25 25 25 25 26 26 32 35 35 36 35 33 31 26  
RH 88 88 88 88 62 47 57 75 81 88 92 82 56 45 56 76 76 82 85  
WIND DIR NE NE NE E E E SE SE SE SE S S W W W SW SW SW SW  
WIND SPD 5 4 3 4 5 5 5 5 8 6 5 5 10 10 5 3 2 2 2  
CLOUDS OV B1 B2 B1 FW FW SC B1 B1 SC SC SC SC SC SC SC SC FW FW  
POP 12HR 10 0 0 0 5  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
 
DATE 10/22/21 SAT 10/23/21 SUN 10/24/21 MON 10/25/21 TUE 10/26/21  
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 61 34 53 35 56 38 61 41 56  
TEMP 55 53 38 34 48 49 40 35 52 52 42 38 57 55 45 41 55 55  
DEWPT 35 34 33 31 35 36 35 34 39 38 36 34 39 38 34 32 38 34  
PWIND DIR S SE SE SE SE SE SE SE W  
WIND CHAR LT GN GN GN GN GN GN BZ BZ  
AVG CLOUDS FW FW SC B2 B2 B1 B2 B2 B2 B1 B1 B1 B1 B1 B2 B1 B1 B1  
POP 12HR 0 0 5 10 5 5 5 20 20  
RAIN S S  
 

 
WYZ199-201100-  
SHERIDAN-SHERIDAN WY  
44.80N 106.96W ELEV. 4019 FT  
927 PM MDT TUE OCT 19 2021  
 
DATE 10/19/21 WED 10/20/21 THU 10/21/21 FRI  
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 56 32 63 32  
TEMP 31 30 31 32 47 54 50 40 37 35 35 39 56 60 55 43 40 37 32  
DEWPT 31 30 31 32 34 35 36 35 33 30 30 32 33 32 35 34 32 30 27  
RH 100100100100 60 48 58 82 85 82 82 76 42 35 47 70 73 75 81  
WIND DIR N NE E SE E E E E SW SW SW SW NW W SW SW SW SW SW  
WIND SPD 2 2 2 2 5 6 4 2 2 3 4 2 4 5 5 5 4 4 3  
CLOUDS OV B2 B1 SC FW SC B1 SC SC SC SC SC FW FW FW FW FW FW FW  
POP 12HR 40 0 0 0 0  
QPF 12HR 0.01 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN  
OBVIS PF PF F  
 
DATE 10/22/21 SAT 10/23/21 SUN 10/24/21 MON 10/25/21 TUE 10/26/21  
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 66 36 61 36 60 35 64 35 56  
TEMP 61 60 41 36 57 56 41 36 56 56 39 35 58 60 45 35 54 55  
DEWPT 37 39 32 28 34 34 33 30 36 37 31 27 35 37 31 27 31 28  
PWIND DIR S S NW W SW SW S SW NW  
WIND CHAR LT LT LT LT LT LT LT GN GN  
AVG CLOUDS FW FW SC B1 B2 B1 B2 B2 B1 SC B1 B1 B1 B1 B1 B1 B1 B1  
POP 12HR 0 0 10 10 5 10 10 20 20  
RAIN S S S S  
 

 
 
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