139  
FOUS55 KBYZ 212333  
PFMBYZ  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE BILLINGS MT  
432 PM MST SAT DEC 21 2024  
 
MTZ235-221100-  
BILLINGS-YELLOWSTONE MT  
45.81N 108.53W ELEV. 3648 FT  
432 PM MST SAT DEC 21 2024  
 
DATE SAT 12/21/24 SUN 12/22/24 MON 12/23/24 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 40 52 29 48 28  
TEMP 50 48 46 45 43 40 47 52 46 36 32 29 29 32 40 48 46 41 37 33 30  
DEWPT 19 19 20 24 27 25 26 24 22 20 21 20 19 21 26 31 32 30 28 26 24  
RH 29 31 35 43 53 55 43 33 38 52 63 69 66 63 57 51 58 65 70 75 78  
WIND DIR SW SW SW SW W W W W W W SW SW SW SW SW W W W W SW SW  
WIND SPD 12 12 10 13 20 21 20 19 12 6 6 10 10 9 10 10 9 9 9 8 8  
CLOUDS B1 OV B2 B1 SC FW FW FW FW SC FW SC B1 B2 B2 B2 B2 B1 FW FW FW  
POP 12HR 10 5 0 20 5  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S  
SPRINKLES S  
 
DATE 12/24/24 WED 12/25/24 THU 12/26/24 FRI 12/27/24 SAT 12/28/24  
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 47 32 46 27 45 31 48 32 49  
TEMP 39 40 34 34 39 40 30 29 38 42 37 34 40 42 33 33 40 49  
DEWPT 29 28 23 23 24 24 21 19 23 24 24 23 25 25 20 20 24 27  
PWIND DIR SW SW W SW SW SW SW SW SW  
WIND CHAR LT LT GN LT GN GN GN GN GN  
AVG CLOUDS SC SC B2 B2 B2 SC FW FW B1 B1 B2 B2 B1 SC B1 SC B1 B1  
POP 12HR 0 20 10 0 5 10 5 10 10  
RAIN SHWRS S  
 

 
MTZ065-221100-  
LIVINGSTON-PARK MT  
45.70N 110.47W ELEV. 4656 FT  
432 PM MST SAT DEC 21 2024  
 
DATE SAT 12/21/24 SUN 12/22/24 MON 12/23/24 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 40 48 35 47 27  
TEMP 52 49 49 46 43 40 46 48 42 36 36 35 37 37 45 47 43 35 32 29 28  
DEWPT 20 21 23 27 28 25 25 22 21 20 21 21 25 25 31 33 31 26 23 21 19  
RH 28 33 36 47 55 55 43 35 43 52 54 56 61 61 58 58 62 69 69 72 68  
WIND DIR SW SW SW W W W W W W W SW SW W SW W W W W SW SW SW  
WIND SPD 34 40 40 39 32 32 27 24 14 14 20 27 25 13 13 13 12 11 12 13 16  
WIND GUST 48 56 56 55 44 44 39 39  
CLOUDS B1 B1 SC B2 B1 SC FW SC B1 SC SC SC B1 B2 B2 B2 B1 SC FW SC SC  
POP 12HR 20 5 0 50 5  
QPF 12HR 0 0 0 0.01 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S C C C C  
SNOWSHWRS C C  
WIND CHILL 28 25 22 26 16  
MIN CHILL 28 25 22 25 23 16  
WIND Y Y Y Y Y  
 
DATE 12/24/24 WED 12/25/24 THU 12/26/24 FRI 12/27/24 SAT 12/28/24  
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 48 29 44 27 44 28 45 32 47  
TEMP 39 42 35 32 39 37 27 27 36 40 34 29 39 40 33 33 41 47  
DEWPT 22 23 20 22 23 20 15 15 18 21 20 18 22 23 20 20 24 24  
PWIND DIR SW SW W SW SW SW SW SW SW  
WIND CHAR BZ GN GN BZ WY BZ BZ BZ WY  
AVG CLOUDS SC B1 B2 B2 B1 SC SC SC B1 B2 B2 B1 B1 B1 B1 B1 B2 B1  
POP 12HR 5 50 10 0 10 20 10 30 20  
RAIN SHWRS C C S S C S  
SNOWSHWRS C S S C S  
 

 
MTZ032-221100-  
MILES CITY-CUSTER MT  
46.42N 105.90W ELEV. 2628 FT  
432 PM MST SAT DEC 21 2024  
 
DATE SAT 12/21/24 SUN 12/22/24 MON 12/23/24 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 28 48 23 45 26  
TEMP 39 33 30 28 31 29 42 48 40 36 31 28 26 24 37 45 41 39 38 33 29  
DEWPT 26 24 23 22 24 26 31 29 27 26 25 22 20 20 25 29 30 31 32 28 26  
RH 59 69 75 78 75 88 65 47 59 67 78 78 78 84 61 53 65 73 79 82 88  
WIND DIR S S SE S W W W W W W W S SW S SW SW W W W W W  
WIND SPD 5 3 2 4 10 10 16 18 12 8 5 4 3 3 5 6 6 6 6 5 5  
CLOUDS SC B1 B1 OV B2 B1 FW FW FW SC FW FW FW SC B1 B2 B2 B2 B1 FW FW  
POP 12HR 5 20 0 0 5  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S  
 
DATE 12/24/24 WED 12/25/24 THU 12/26/24 FRI 12/27/24 SAT 12/28/24  
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 28 44 23 42 27 45 26 46  
TEMP 37 38 34 30 37 36 28 24 36 33 32 28 38 37 29 26 40 46  
DEWPT 29 30 28 27 29 25 21 20 25 23 23 22 27 25 21 20 28 30  
PWIND DIR SW SE W SW S SW SW SW SW  
WIND CHAR LT LT GN LT LT LT LT LT GN  
AVG CLOUDS FW SC B1 B2 B2 SC SC FW SC SC B1 B2 B2 SC SC B1 B1 B1  
POP 12HR 0 5 5 0 0 10 5 0 10  
 

 
MTZ033-221100-  
BAKER-FALLON MT  
46.38N 104.24W ELEV. 2969 FT  
432 PM MST SAT DEC 21 2024  
 
DATE SAT 12/21/24 SUN 12/22/24 MON 12/23/24 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 26 42 20 42 24  
TEMP 37 30 27 26 29 30 39 41 34 29 27 24 21 23 38 41 33 31 31 28 25  
DEWPT 26 23 22 22 21 27 33 30 26 24 24 20 18 19 27 28 25 25 26 25 23  
RH 64 75 81 85 72 88 79 65 72 81 88 84 88 84 64 59 72 78 81 88 92  
WIND DIR SW SW SW S W W W W W W W W SW SW SW SW SW W W W W  
WIND SPD 8 4 4 3 8 12 18 18 16 10 8 5 3 4 6 9 10 9 9 8 8  
CLOUDS FW B1 B1 B2 B2 B1 SC SC SC B1 FW FW FW FW FW SC B2 B2 B2 B1 SC  
POP 12HR 0 20 0 0 0  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S S  
 
DATE 12/24/24 WED 12/25/24 THU 12/26/24 FRI 12/27/24 SAT 12/28/24  
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 45 24 40 21 42 23 42 23 42  
TEMP 39 35 29 24 36 32 23 22 38 33 25 24 38 34 26 23 39 41  
DEWPT 30 28 24 22 29 26 19 17 26 23 19 19 27 25 19 18 27 27  
PWIND DIR SW SE W W S SW W SW W  
WIND CHAR GN GN GN LT GN LT GN GN GN  
AVG CLOUDS FW FW B1 B1 B2 B1 SC FW FW SC B1 B2 B2 B1 SC SC B1 B1  
POP 12HR 0 0 5 0 0 5 5 0 5  
 

 
WYZ199-221100-  
SHERIDAN-SHERIDAN WY  
44.80N 106.96W ELEV. 4019 FT  
432 PM MST SAT DEC 21 2024  
 
DATE SAT 12/21/24 SUN 12/22/24 MON 12/23/24 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 31 51 23 48 24  
TEMP 47 39 37 36 36 32 45 51 40 30 27 25 24 25 41 48 42 36 33 31 26  
DEWPT 26 24 23 23 23 26 28 24 24 21 19 17 18 19 26 29 30 30 28 27 23  
RH 43 54 56 59 59 78 51 34 52 69 71 71 77 78 55 47 62 79 82 85 88  
WIND DIR NW SW S S W W NW NW W SW SW S S SW W NW W W W SW SW  
WIND SPD 5 5 4 5 8 8 9 11 6 4 2 2 2 2 2 2 3 4 2 2 2  
CLOUDS FW SC SC B2 SC SC SC FW FW FW FW SC SC B1 B2 OV B2 B2 B1 SC FW  
POP 12HR 5 0 0 10 20  
QPF 12HR 0 0 0 0 0.01  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S  
 
DATE 12/24/24 WED 12/25/24 THU 12/26/24 FRI 12/27/24 SAT 12/28/24  
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 50 26 46 22 47 24 48 25 50  
TEMP 42 40 28 26 41 37 25 23 39 36 27 25 40 38 29 26 43 50  
DEWPT 28 27 19 20 27 26 20 18 24 22 20 20 25 24 20 19 27 26  
PWIND DIR S SW NW SW SW SW SW SW W  
WIND CHAR LT LT GN LT LT LT LT LT LT  
AVG CLOUDS FW SC B2 B2 B2 B1 SC FW SC SC B1 B2 B1 SC B1 SC B1 B1  
POP 12HR 0 10 20 0 5 20 10 5 10  
RAIN SHWRS S S  
SNOWSHWRS S S  
 

 
 
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