778  
FOUS55 KBYZ 221627  
PFMBYZ  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE BILLINGS MT  
1026 AM MDT TUE MAY 22 2018  
 
MTZ035-222300-  
BILLINGS-YELLOWSTONE MT  
45.81N 108.53W ELEV. 3648 FT  
1026 AM MDT TUE MAY 22 2018  
 
DATE TUE 05/22/18 WED 05/23/18 THU 05/24/18  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 75 55 68 53 82  
TEMP 72 75 72 64 59 56 55 58 63 67 66 62 59 55 53 64 77 81 81  
DEWPT 52 51 50 52 52 52 53 52 52 51 49 51 50 49 49 51 52 51 51  
RH 49 43 46 65 78 86 93 80 67 56 54 67 72 80 86 63 42 35 35  
WIND DIR NE NE NE NE E N N N N SW W W SW SW SW SW W W W  
WIND SPD 5 9 12 12 8 5 6 6 5 9 9 6 6 5 11 11 10 10 8  
CLOUDS B1 B2 B1 B2 OV OV OV OV OV OV B2 B2 B2 B1 B1 B1 B1 B1 SC  
POP 12HR 30 70 90 50 20  
QPF 12HR 0.02 0.30 0.67 0.08 0.01  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S L L L L D D L L C C S S  
TSTMS S C L L S S S S C C S S S S  
 
DATE FRI 05/25/18 SAT 05/26/18 SUN 05/27/18 MON 05/28/18  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 55 84 56 86 55 80 55 77  
TEMP 64 55 79 83 66 56 80 83 63 55 76 78 62 55 73 76  
DEWPT 50 48 50 47 49 47 51 51 49 48 54 52 53 51 54 53  
PWIND DIR W W SW S SE N NW W  
WIND CHAR LT LT LT LT LT LT GN GN  
AVG CLOUDS SC SC SC FW FW FW FW SC SC SC SC SC B1 B2 B2 B1  
POP 12HR 10 10 10 5 10 30 50 40  
RAIN SHWRS S C C C C C  
TSTMS C C C  
 

 
MTZ065-222300-  
LIVINGSTON-PARK MT  
45.70N 110.47W ELEV. 4656 FT  
1026 AM MDT TUE MAY 22 2018  
 
DATE TUE 05/22/18 WED 05/23/18 THU 05/24/18  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 71 49 66 49 79  
TEMP 69 71 66 57 53 49 49 54 60 64 63 57 55 51 50 62 74 79 76  
DEWPT 49 50 48 50 49 46 46 48 46 49 47 49 49 46 45 50 51 51 50  
RH 49 47 52 77 86 89 89 80 60 58 56 75 80 83 83 65 44 38 40  
WIND DIR E E E E E NE NE N SW SW SW SW SW W W W W W W  
WIND SPD 10 13 14 14 9 10 9 9 9 10 10 10 10 12 13 13 13 13 14  
CLOUDS B2 B1 OV B2 OV OV OV OV OV OV OV B2 B2 B1 B2 B2 B1 B1 B1  
POP 12HR 60 70 90 60 40  
QPF 12HR 0.07 0.25 0.49 0.04 0.03  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C L L L L D D D D L L C C C C C  
TSTMS C L L L S S S S C C S S C C C  
 
DATE FRI 05/25/18 SAT 05/26/18 SUN 05/27/18 MON 05/28/18  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 49 80 51 82 52 74 52 72  
TEMP 58 50 75 78 59 51 78 75 59 52 72 72 59 52 68 70  
DEWPT 50 45 48 46 47 45 49 51 50 48 52 52 52 49 50 49  
PWIND DIR W SW SW SE NE N E NW  
WIND CHAR GN GN GN LT LT GN GN GN  
AVG CLOUDS B1 B1 SC FW SC SC FW SC SC SC SC B1 B2 B2 B2 B2  
POP 12HR 30 20 10 20 20 60 60 50  
RAIN SHWRS C S S S S C L L C C C  
TSTMS C S S S L L C  
 

 
MTZ032-222300-  
MILES CITY-CUSTER MT  
46.42N 105.90W ELEV. 2628 FT  
1026 AM MDT TUE MAY 22 2018  
 
DATE TUE 05/22/18 WED 05/23/18 THU 05/24/18  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 80 59 75 56 82  
TEMP 75 80 79 69 63 60 59 64 68 75 73 64 59 57 57 66 75 81 81  
DEWPT 55 55 54 55 55 56 58 60 60 61 59 58 56 55 55 58 58 57 55  
RH 50 42 42 61 75 87 96 87 76 62 62 81 90 93 93 75 55 44 41  
WIND DIR N N NE NE N NE NE E SE SE SW SW SW SW SW SW W W W  
WIND SPD 5 5 10 9 8 10 9 11 11 9 10 11 8 10 9 9 14 14 12  
CLOUDS SC SC B2 OV OV B2 OV B2 B1 B2 B1 B1 B1 B1 B1 B1 SC SC SC  
POP 12HR 20 60 80 40 10  
QPF 12HR 0 0.24 0.33 0.05 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S C C L L D D C C C C S S  
TSTMS S S C C C C S S C C S S  
 
DATE FRI 05/25/18 SAT 05/26/18 SUN 05/27/18 MON 05/28/18  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 59 85 59 88 60 84 60 81  
TEMP 65 59 80 84 65 60 83 86 68 60 78 82 65 61 76 79  
DEWPT 56 54 56 53 54 53 56 52 53 52 58 57 56 56 58 57  
PWIND DIR W W W SE SE SE SE S  
WIND CHAR GN GN GN GN GN GN GN GN  
AVG CLOUDS SC SC FW FW FW FW FW FW FW SC SC SC SC B1 B1 B1  
POP 12HR 10 5 5 5 10 30 40 30  
RAIN SHWRS C C C C C  
TSTMS C C C  
 

 
MTZ033-222300-  
BAKER-FALLON MT  
46.38N 104.24W ELEV. 2969 FT  
1026 AM MDT TUE MAY 22 2018  
 
DATE TUE 05/22/18 WED 05/23/18 THU 05/24/18  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 78 58 78 54 79  
TEMP 74 77 76 65 60 58 58 65 72 76 77 62 57 55 56 67 75 78 77  
DEWPT 52 52 54 54 55 56 57 60 60 59 57 58 55 53 54 57 57 54 54  
RH 46 42 46 68 84 93 96 84 66 56 50 87 93 93 93 70 54 43 45  
WIND DIR SE SE E E E E E SE SE SE S S SW SW W W W W W  
WIND SPD 6 5 9 10 10 9 10 16 14 16 14 10 9 8 8 8 13 13 11  
CLOUDS SC SC B1 OV OV OV OV B2 B1 B1 SC B1 SC SC B1 B1 SC SC SC  
POP 12HR 20 80 70 30 10  
QPF 12HR 0.02 0.32 0.20 0.04 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS S L L D D L L C C C C  
TSTMS S S L L C C S S C C S S  
 
DATE FRI 05/25/18 SAT 05/26/18 SUN 05/27/18 MON 05/28/18  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 57 82 56 86 55 83 57 79  
TEMP 59 58 80 80 60 57 82 83 60 56 80 80 62 58 76 76  
DEWPT 53 53 55 52 52 51 55 53 50 51 55 55 54 54 58 56  
PWIND DIR W W NW SE SE SE SE SE  
WIND CHAR GN GN GN LT GN GN BZ GN  
AVG CLOUDS SC SC FW FW FW FW FW FW FW FW SC SC SC B1 B1 B1  
POP 12HR 5 5 0 5 10 20 40 40  
RAIN SHWRS S C S S C  
TSTMS S C C  
 

 
WYZ099-222300-  
SHERIDAN-SHERIDAN WY  
44.80N 106.96W ELEV. 4019 FT  
1026 AM MDT TUE MAY 22 2018  
 
DATE TUE 05/22/18 WED 05/23/18 THU 05/24/18  
MDT 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18  
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00  
 
MAX/MIN 75 52 74 50 78  
TEMP 73 75 71 61 56 54 52 61 69 74 71 63 58 53 51 64 73 77 77  
DEWPT 52 53 52 53 53 51 51 54 53 50 48 51 49 48 47 51 50 51 51  
RH 48 46 51 75 90 90 96 78 57 43 44 65 72 83 86 63 44 40 40  
WIND DIR N NE W SW S NW W SE SE W W SW SW SW SW SW W W SW  
WIND SPD 4 5 9 6 5 4 4 2 5 9 10 5 6 4 2 2 5 5 6  
CLOUDS B1 B2 OV OV B2 OV B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC  
POP 12HR 40 90 40 30 20  
QPF 12HR 0.04 0.57 0.15 0.04 0.02  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS C D D D D C C C C C C S S S  
TSTMS C C D D S S S S C C S S S S S  
 
DATE FRI 05/25/18 SAT 05/26/18 SUN 05/27/18 MON 05/28/18  
MDT 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18  
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00  
 
MIN/MAX 52 81 52 86 54 80 51 77  
TEMP 59 52 77 79 60 53 81 83 62 54 77 77 59 51 74 75  
DEWPT 49 46 49 46 48 44 50 48 46 46 56 55 51 47 54 53  
PWIND DIR SW NW W SE SE S W SW  
WIND CHAR LT LT LT LT LT GN GN GN  
AVG CLOUDS SC SC FW FW SC FW FW FW FW SC SC B1 B1 B2 B1 B1  
POP 12HR 20 10 10 5 10 30 50 50  
RAIN SHWRS S S C C C C C  
TSTMS S C C C  
 

 
 
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