875  
FOUS55 KBYZ 170652  
PFMBYZ  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE BILLINGS MT  
1251 AM MDT FRI APR 17 2026  
 
MTZ235-181000-  
BILLINGS-YELLOWSTONE MT  
45.81N 108.53W ELEV. 3648 FT  
1251 AM MDT FRI APR 17 2026  
 
DATE 04/16/26 FRI 04/17/26 SAT 04/18/26 SUN  
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 26 48 29 62 34  
TEMP 28 27 32 43 45 45 38 34 31 30 39 51 59 61 49 42 37 34  
DEWPT 21 19 18 13 13 17 22 25 24 22 22 21 20 22 26 24 22 20  
RH 75 71 56 29 27 32 52 69 75 72 50 30 22 22 40 48 54 56  
WIND DIR NW NW NW NW NW NW W W W W W W W W SW SW SW SW  
WIND SPD 9 9 13 16 14 11 9 9 9 11 14 14 14 12 8 9 9 10  
CLOUDS B1 B2 B1 SC B1 B2 OV B1 B1 SC FW CL FW FW FW FW FW FW  
POP 12HR 10 50 30 0 0  
QPF 12HR 0 0.01 0.01 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS  
SNOWSHWRS C C S C  
 
DATE 04/19/26 MON 04/20/26 TUE 04/21/26 WED 04/22/26 THU 04/23/26  
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 73 44 81 46 83 50 79 45 62  
TEMP 62 72 51 44 73 76 54 48 75 81 59 52 72 69 53 47 55 58  
DEWPT 25 26 29 26 33 28 33 33 35 32 34 35 36 38 37 36 36 32  
PWIND DIR SW SW W SW SW SW SW W NW  
WIND CHAR GN GN GN LT GN LT GN BZ BZ  
AVG CLOUDS FW FW SC B1 SC SC SC SC SC FW SC SC B1 B1 B1 B2 B2 B2  
POP 12HR 0 0 0 0 0 5 30 50 60  
RAIN SHWRS C C C C L  
 

 
MTZ065-181000-  
LIVINGSTON-PARK MT  
45.70N 110.47W ELEV. 4656 FT  
1251 AM MDT FRI APR 17 2026  
 
DATE 04/16/26 FRI 04/17/26 SAT 04/18/26 SUN  
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 19 42 22 57 30  
TEMP 22 20 27 36 39 39 32 29 26 24 34 47 55 56 45 38 33 31  
DEWPT 13 12 15 15 16 18 20 21 18 16 17 16 19 21 22 20 18 17  
RH 68 71 60 42 39 42 61 72 71 71 49 28 24 25 40 48 53 56  
WIND DIR W W W W W NW SW W SW W W W W SW SW SW SW SW  
WIND SPD 10 10 14 18 18 17 10 8 9 11 13 18 18 16 13 13 12 11  
WIND GUST 25 29 28 28  
CLOUDS B2 B2 B1 B2 B1 B1 B1 SC SC SC FW FW FW SC SC FW FW SC  
POP 12HR 20 60 40 0 0  
QPF 12HR 0.01 0.03 0.03 0 0  
SNOW 12HR T T T  
SNOWSHWRS S C C C C C C  
TSTMS S  
OBVIS BS  
WIND CHILL 11 9 15 13  
MIN CHILL 14 9 10 28 21 12 13 30 21  
 
DATE 04/19/26 MON 04/20/26 TUE 04/21/26 WED 04/22/26 THU 04/23/26  
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 69 39 76 43 76 45 71 39 58  
TEMP 59 68 47 40 68 70 51 45 70 73 54 47 65 62 47 41 51 52  
DEWPT 24 29 28 24 28 26 31 29 29 28 32 31 31 32 33 32 30 26  
PWIND DIR SW SW SW SW SW SW SW SW W  
WIND CHAR GN GN GN GN BZ GN BZ BZ BZ  
AVG CLOUDS FW SC SC B1 SC FW SC FW SC SC SC SC B1 B1 B2 B2 B2 B2  
POP 12HR 0 0 0 0 5 10 40 50 60  
RAIN SHWRS S C C C L C  
SNOWSHWRS L  
 

 
MTZ032-181000-  
MILES CITY-CUSTER MT  
46.42N 105.90W ELEV. 2628 FT  
1251 AM MDT FRI APR 17 2026  
 
DATE 04/16/26 FRI 04/17/26 SAT 04/18/26 SUN  
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 43 25 58 30  
TEMP 26 25 27 34 42 42 33 29 26 26 36 48 55 57 46 38 33 30  
DEWPT 18 16 13 13 13 13 14 16 17 19 21 24 22 23 25 25 25 23  
RH 71 68 55 41 30 30 45 58 68 74 54 39 27 27 43 59 72 75  
WIND DIR NW NW NW NW NW NW N NW W W W W NW NW NE SE SE E  
WIND SPD 9 11 14 17 18 16 8 4 5 6 9 11 13 12 5 5 4 4  
CLOUDS B1 SC SC SC FW FW SC SC SC B1 B1 SC SC FW FW FW FW FW  
POP 12HR 5 0 5 0 0  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS  
SNOWSHWRS  
WIND CHILL 14 15 23  
MIN CHILL 24 14 14 27 24 18 20 25  
 
DATE 04/19/26 MON 04/20/26 TUE 04/21/26 WED 04/22/26 THU 04/23/26  
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 70 39 79 44 83 50 82 47 64  
TEMP 60 67 47 39 72 74 52 45 74 80 58 51 75 76 55 48 56 58  
DEWPT 29 25 28 25 36 34 36 35 39 35 38 35 39 39 41 39 41 37  
PWIND DIR S S W NE S SE S NW NW  
WIND CHAR LT LT GN LT LT GN GN GN BZ  
AVG CLOUDS FW CL FW SC SC FW FW FW FW FW FW SC SC SC B1 B1 B2 B1  
POP 12HR 0 0 0 0 0 5 10 40 50  
RAIN SHWRS C C C C  
 

 
MTZ033-181000-  
BAKER-FALLON MT  
46.38N 104.24W ELEV. 2969 FT  
1251 AM MDT FRI APR 17 2026  
 
DATE 04/16/26 FRI 04/17/26 SAT 04/18/26 SUN  
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 39 20 51 25  
TEMP 26 24 26 32 37 37 28 24 22 22 32 42 49 50 37 31 28 25  
DEWPT 19 17 14 12 13 12 13 13 13 14 18 16 18 19 21 21 20 19  
RH 74 74 60 43 37 35 53 62 68 71 56 34 29 29 52 66 71 78  
WIND DIR NW W NW NW NW NW NW W W W NW NW NW NW N SE SE SE  
WIND SPD 11 13 20 23 25 20 12 6 8 9 13 17 18 16 5 3 2 4  
WIND GUST 31 34 35  
CLOUDS B1 B1 B2 SC SC FW SC FW SC SC SC SC SC SC SC FW FW FW  
POP 12HR 20 0 0 0 0  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS  
SNOWSHWRS  
WIND CHILL 15 12 12 19 25 26 17  
MIN CHILL 20 12 11 20 16 11 13 28 19  
 
DATE 04/19/26 MON 04/20/26 TUE 04/21/26 WED 04/22/26 THU 04/23/26  
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 38 77 40 79 48 80 44 61  
TEMP 55 64 43 39 71 72 48 42 71 76 56 50 75 75 53 47 56 55  
DEWPT 24 23 28 24 32 32 34 33 36 34 37 35 38 37 40 36 39 36  
PWIND DIR SE S SW E S SE S S NW  
WIND CHAR GN GN GN LT GN GN GN GN BZ  
AVG CLOUDS FW CL FW FW SC FW FW FW FW FW FW FW SC B1 B1 B2 B2 B1  
POP 12HR 0 0 0 0 0 0 5 30 50  
RAIN SHWRS C C C C  
 

 
WYZ199-181000-  
SHERIDAN-SHERIDAN WY  
44.80N 106.96W ELEV. 4019 FT  
1251 AM MDT FRI APR 17 2026  
 
DATE 04/16/26 FRI 04/17/26 SAT 04/18/26 SUN  
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 21 42 22 55 26  
TEMP 24 22 28 37 42 39 30 27 24 24 35 45 52 54 39 34 29 27  
DEWPT 21 20 20 21 19 20 22 20 18 18 22 21 20 22 24 21 19 16  
RH 88 92 71 52 39 46 72 74 77 77 59 38 28 28 54 58 66 63  
WIND DIR W NW NW NW NW NW W W W W NW NW NW NW SW SW SW SW  
WIND SPD 5 5 14 23 21 14 6 5 5 5 6 13 12 8 6 5 5 4  
WIND GUST 25 34 33  
CLOUDS B2 B2 B1 SC SC B1 B1 SC SC SC FW FW CL FW FW FW FW FW  
POP 12HR 40 60 40 5 0  
QPF 12HR 0.01 0.02 0.02 0 0  
SNOW 12HR T T T  
RAIN SHWRS  
SNOWSHWRS S S C C C S  
OBVIS BS  
WIND CHILL 16 26  
MIN CHILL 20 15 12 28 20 16 18 29 19  
WINTER WEATH Y  
 
DATE 04/19/26 MON 04/20/26 TUE 04/21/26 WED 04/22/26 THU 04/23/26  
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 36 77 41 79 45 77 39 61  
TEMP 60 65 43 37 70 71 48 43 74 76 53 46 71 70 49 42 54 55  
DEWPT 26 27 27 24 35 34 33 30 35 34 34 32 35 36 34 33 34 32  
PWIND DIR SE S W SW S S S W NW  
WIND CHAR LT LT LT LT LT LT GN GN BZ  
AVG CLOUDS FW FW FW SC SC FW FW FW FW FW FW SC SC SC B1 B1 B2 B2  
POP 12HR 0 0 0 0 5 5 30 50 60  
RAIN SHWRS C C C C L  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab MT Page
The Nexlab WY Page Main Text Page