479  
FOUS55 KBYZ 120653  
PFMBYZ  
NATIONAL WEATHER SERVICE BILLINGS MT  
1253 AM MDT FRI JUN 12 2026  
 
MTZ235-131000-  
BILLINGS-YELLOWSTONE MT  
45.81N 108.53W ELEV. 3648 FT  
1253 AM MDT FRI JUN 12 2026  
 
DATE 06/11/26 FRI 06/12/26 SAT 06/13/26 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 49 77 49 64 43  
TEMP 52 50 60 72 75 72 63 57 53 51 51 57 61 62 58 51 46 44  
DEWPT 39 38 37 37 36 38 43 47 46 45 41 38 35 34 36 37 36 36  
RH 61 63 42 28 24 29 48 69 77 80 68 49 38 35 44 59 68 73  
WIND DIR W SW W NW NW NE N N N N N NW N N NE NE W W  
WIND SPD 5 8 6 9 12 13 14 11 10 8 9 9 10 10 6 3 3 4  
CLOUDS B1 SC FW SC SC B2 OV OV OV OV B1 B1 B1 B1 SC SC SC SC  
POP 12HR 0 0 60 20 0  
QPF 12HR 0 0 0.18 0.01 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S L C C S  
TSTMS S S  
 
DATE 06/14/26 MON 06/15/26 TUE 06/16/26 WED 06/17/26 THU 06/18/26  
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 71 47 78 54 86 58 79 51 79  
TEMP 63 71 55 48 71 77 62 57 79 84 68 60 73 75 60 53 69 76  
DEWPT 37 34 36 36 38 37 40 40 41 40 43 42 39 38 41 41 39 37  
PWIND DIR NW S W W W NW NW N N  
WIND CHAR LT LT GN LT BZ GN BZ GN LT  
AVG CLOUDS FW FW SC FW FW SC B1 B2 B2 B1 SC SC SC B1 SC SC SC SC  
POP 12HR 0 0 0 0 5 20 30 20 20  
RAIN SHWRS S S C S S  
TSTMS S S S S  
 
 
MTZ065-131000-  
LIVINGSTON-PARK MT  
45.70N 110.47W ELEV. 4656 FT  
1253 AM MDT FRI JUN 12 2026  
 
DATE 06/11/26 FRI 06/12/26 SAT 06/13/26 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 40 74 41 61 37  
TEMP 44 41 56 68 72 72 59 52 47 44 47 53 58 60 53 47 41 38  
DEWPT 32 29 33 34 32 34 39 44 45 42 41 39 37 36 36 36 35 33  
RH 62 62 42 28 23 25 47 74 93 93 79 59 45 41 52 65 79 82  
WIND DIR W W W W NW N E NE E NE E NE NE E E E E W  
WIND SPD 8 6 9 17 18 16 12 9 9 8 8 9 10 10 9 5 2 2  
CLOUDS FW FW FW SC SC B2 OV B2 OV OV B2 B1 B1 SC SC SC FW SC  
POP 12HR 0 0 50 60 5  
QPF 12HR 0 0 0.09 0.04 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C C C L C  
TSTMS S S  
 
DATE 06/14/26 MON 06/15/26 TUE 06/16/26 WED 06/17/26 THU 06/18/26  
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 41 76 47 84 50 78 43 77  
TEMP 60 69 51 42 68 74 59 51 77 83 64 53 71 76 56 46 67 76  
DEWPT 34 33 35 30 35 34 37 37 37 37 38 38 34 31 36 36 34 32  
PWIND DIR NE SE W W W W W NW W  
WIND CHAR LT LT GN LT WY WY WY GN GN  
AVG CLOUDS FW FW FW FW FW SC B1 B1 B1 SC SC FW FW FW SC SC SC SC  
POP 12HR 0 0 0 0 5 5 10 10 10  
 
 
MTZ032-131000-  
MILES CITY-CUSTER MT  
46.42N 105.90W ELEV. 2628 FT  
1253 AM MDT FRI JUN 12 2026  
 
DATE 06/11/26 FRI 06/12/26 SAT 06/13/26 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 46 74 48 64 43  
TEMP 50 49 62 70 72 70 61 56 51 49 54 59 62 63 57 51 46 44  
DEWPT 45 45 49 45 42 46 46 46 43 42 42 40 39 39 39 40 38 37  
RH 83 86 62 41 34 42 58 69 74 77 64 49 43 41 51 66 73 76  
WIND DIR SW W NW NW NW N N N NW NW NW NW NW NW NW W W W  
WIND SPD 5 5 9 13 17 18 13 10 11 10 16 18 19 14 6 5 5 5  
WIND GUST 21 20  
CLOUDS FW FW FW SC SC FW SC SC FW SC B1 B1 B1 SC SC SC SC SC  
POP 12HR 0 0 5 0 0  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS  
TSTMS  
 
DATE 06/14/26 MON 06/15/26 TUE 06/16/26 WED 06/17/26 THU 06/18/26  
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 72 47 75 50 81 55 74 49 75  
TEMP 65 71 55 48 70 73 58 52 74 78 63 57 69 71 57 51 68 73  
DEWPT 37 35 40 38 43 43 44 44 48 48 49 48 47 44 45 45 45 43  
PWIND DIR NW NW W W W NW NW NW NW  
WIND CHAR LT LT GN GN GN GN BZ GN GN  
AVG CLOUDS SC FW SC SC SC SC SC B1 B2 B1 B1 B1 B1 B1 SC SC SC SC  
POP 12HR 0 0 5 0 20 30 40 20 20  
RAIN SHWRS S C C C C S S S  
TSTMS C S  
 
 
MTZ033-131000-  
BAKER-FALLON MT  
46.38N 104.24W ELEV. 2969 FT  
1253 AM MDT FRI JUN 12 2026  
 
DATE 06/11/26 FRI 06/12/26 SAT 06/13/26 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 43 73 43 62 39  
TEMP 48 45 60 70 71 69 58 52 47 44 52 58 60 60 52 47 42 40  
DEWPT 43 39 42 41 40 42 45 45 41 39 38 37 36 36 37 38 35 34  
RH 83 79 51 35 32 37 62 77 79 82 59 45 41 41 56 71 76 79  
WIND DIR SW W W NW NW NW NW NW NW NW NW NW NW NW NW W W W  
WIND SPD 8 8 11 17 18 19 11 10 9 12 19 21 21 19 11 6 6 5  
WIND GUST 28 21 32 29  
CLOUDS FW FW FW FW SC FW FW SC FW SC B1 B1 B1 B1 SC SC FW SC  
POP 12HR 0 0 5 0 0  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS  
TSTMS  
 
DATE 06/14/26 MON 06/15/26 TUE 06/16/26 WED 06/17/26 THU 06/18/26  
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 44 72 45 76 51 71 46 73  
TEMP 65 69 51 45 68 69 53 49 71 74 59 53 68 68 53 47 67 71  
DEWPT 34 34 37 34 39 40 42 41 43 44 47 47 45 41 43 42 42 41  
PWIND DIR NW W W W W NW NW NW NW  
WIND CHAR GN LT GN GN GN GN WY GN GN  
AVG CLOUDS SC FW SC SC SC SC SC B1 B2 B1 B1 B2 B1 B1 SC SC SC SC  
POP 12HR 0 0 10 5 20 40 50 20 20  
RAIN SHWRS S S C C C S S S  
TSTMS S S S S S  
 
 
WYZ199-131000-  
SHERIDAN-SHERIDAN WY  
44.80N 106.96W ELEV. 4019 FT  
1253 AM MDT FRI JUN 12 2026  
 
DATE 06/11/26 FRI 06/12/26 SAT 06/13/26 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 41 75 42 59 36  
TEMP 45 42 57 70 73 73 60 54 49 45 46 52 57 58 50 45 40 37  
DEWPT 34 34 38 40 40 41 43 45 46 45 44 43 40 38 39 39 36 35  
RH 65 73 49 33 30 31 53 71 89100 93 71 53 47 66 79 85 92  
WIND DIR W W NW N N N N NW NW NW NW NW NW NW W W SW SW  
WIND SPD 4 4 6 6 9 12 8 11 9 10 11 16 16 13 4 5 4 1  
CLOUDS FW FW CL FW FW B1 B1 B2 OV OV OV B2 SC FW SC SC SC SC  
POP 12HR 0 0 90 90 10  
QPF 12HR 0 0 0.40 0.26 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S S L D D L C  
TSTMS S S S S  
 
DATE 06/14/26 MON 06/15/26 TUE 06/16/26 WED 06/17/26 THU 06/18/26  
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 65 39 72 44 80 50 75 44 75  
TEMP 59 65 48 40 66 71 54 47 75 79 61 52 71 73 54 46 67 73  
DEWPT 37 37 39 34 38 38 40 39 42 42 44 42 42 40 41 40 41 40  
PWIND DIR NW W NW W W NW NW NW N  
WIND CHAR LT LT GN LT LT LT WY GN LT  
AVG CLOUDS SC SC SC FW FW SC SC B1 B1 SC SC SC SC B1 SC FW SC SC  
POP 12HR 10 0 0 0 5 10 30 10 20  
RAIN SHWRS S C S  
TSTMS S S  
 
 
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