732  
FOUS55 KBYZ 190648  
PFMBYZ  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE BILLINGS MT  
1248 AM MDT WED AUG 19 2026  
 
MTZ235-201000-  
BILLINGS-YELLOWSTONE MT  
45.81N 108.53W ELEV. 3648 FT  
1248 AM MDT WED AUG 19 2026  
 
DATE 08/18/26 WED 08/19/26 THU 08/20/26 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 59 89 59 93 63  
TEMP 63 61 66 81 87 87 76 68 63 59 66 83 92 92 80 72 66 63  
DEWPT 52 50 50 48 42 42 45 45 45 45 46 44 36 36 45 45 46 47  
RH 67 67 56 32 21 21 33 43 52 60 48 25 14 14 29 38 48 56  
WIND DIR SW SW SW W NW NW N N W W SW SW W N E NW W W  
WIND SPD 11 12 12 11 11 9 3 4 5 6 5 5 5 5 5 4 5 5  
CLOUDS FW FW FW CL CL CL SC FW FW SC FW CL FW FW SC SC SC SC  
POP 12HR 0 0 0 0 0  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS  
TSTMS  
OBVIS K K K K K K  
 
DATE 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26 TUE 08/25/26  
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 90 65 89 63 92 61 88 62 89  
TEMP 83 88 74 65 80 86 71 65 86 87 69 61 80 86 70 62 82 86  
DEWPT 50 48 49 50 54 54 56 55 53 48 49 49 48 45 47 49 50 49  
PWIND DIR N E W SW W NW S E SW  
WIND CHAR LT GN LT LT GN GN LT LT LT  
AVG CLOUDS SC FW SC B1 B1 B1 B1 B1 B1 SC SC SC SC FW SC B1 B1 SC  
POP 12HR 0 5 20 30 20 20 5 10 10  
RAIN SHWRS S C S S  
 
 
MTZ065-201000-  
LIVINGSTON-PARK MT  
45.70N 110.47W ELEV. 4656 FT  
1248 AM MDT WED AUG 19 2026  
 
DATE 08/18/26 WED 08/19/26 THU 08/20/26 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 48 85 50 92 55  
TEMP 55 50 59 77 84 83 68 62 56 52 61 82 91 90 73 67 60 56  
DEWPT 47 45 44 41 33 34 39 39 38 39 40 41 35 38 42 43 42 42  
RH 74 83 57 28 16 17 34 43 51 61 46 23 14 16 33 42 51 59  
WIND DIR W W W W W NW SE W W W W W NW NW SE SW W W  
WIND SPD 8 8 8 10 12 11 4 4 5 5 4 6 9 6 5 4 4 4  
WIND GUST 17 19  
CLOUDS FW FW FW CL FW FW SC FW FW SC CL FW FW FW SC SC SC SC  
POP 12HR 0 0 0 0 5  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS  
TSTMS  
 
DATE 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26 TUE 08/25/26  
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 92 56 87 53 87 50 86 52 85  
TEMP 84 89 68 57 79 81 64 55 81 82 63 51 78 83 63 52 79 80  
DEWPT 47 44 49 48 53 53 55 52 48 43 46 45 44 40 47 47 47 46  
PWIND DIR NW E SW SW W SW W S W  
WIND CHAR LT GN LT GN GN GN LT LT LT  
AVG CLOUDS SC FW B1 B1 B2 B1 B1 B1 SC SC SC SC SC FW SC B1 SC B1  
POP 12HR 0 10 50 50 20 10 10 20 30  
RAIN SHWRS S C C S S C  
TSTMS C S S S  
 
 
MTZ032-201000-  
MILES CITY-CUSTER MT  
46.42N 105.90W ELEV. 2628 FT  
1248 AM MDT WED AUG 19 2026  
 
DATE 08/18/26 WED 08/19/26 THU 08/20/26 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 58 89 59 91 62  
TEMP 60 58 66 81 87 87 74 68 62 59 68 82 89 90 77 70 64 62  
DEWPT 55 53 52 51 47 45 48 48 47 47 49 49 45 45 48 49 49 50  
RH 84 83 61 35 25 23 40 49 58 64 51 32 22 21 36 47 58 65  
WIND DIR S S SW W W NW NW NW W SW SE SE W N E E E NE  
WIND SPD 4 5 6 9 12 12 5 2 3 2 2 3 3 4 8 5 4 5  
CLOUDS FW SC FW SC FW FW FW SC FW FW FW FW FW CL 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  
RAIN SHWRS  
TSTMS  
OBVIS K K K K K  
 
DATE 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26 TUE 08/25/26  
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 90 63 90 65 93 62 88 61 91  
TEMP 81 89 70 63 80 88 73 66 85 91 71 62 81 86 68 61 83 89  
DEWPT 51 51 51 51 55 54 57 57 58 51 54 51 48 45 48 50 53 49  
PWIND DIR NE E E SE W N NW NE SE  
WIND CHAR GN GN GN BZ GN LT LT LT LT  
AVG CLOUDS SC FW FW SC SC B1 B1 B2 SC FW FW SC FW FW FW SC SC SC  
POP 12HR 0 0 5 20 5 10 0 10 5  
RAIN SHWRS S S  
TSTMS S  
 
 
MTZ033-201000-  
BAKER-FALLON MT  
46.38N 104.24W ELEV. 2969 FT  
1248 AM MDT WED AUG 19 2026  
 
DATE 08/18/26 WED 08/19/26 THU 08/20/26 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 54 89 56 90 57  
TEMP 58 55 68 82 86 86 72 66 60 57 71 84 88 88 74 67 62 58  
DEWPT 50 48 50 47 44 43 44 46 44 44 44 44 44 43 47 47 47 46  
RH 75 77 52 29 23 22 37 48 55 62 38 25 22 21 38 49 58 64  
WIND DIR S S SW W W NW NW N N N W NW NW N E SE SE E  
WIND SPD 3 4 8 11 14 14 6 0 0 0 3 5 5 6 9 9 8 6  
WIND GUST 25  
CLOUDS FW FW FW SC SC FW FW FW SC SC CL 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  
RAIN SHWRS  
TSTMS  
OBVIS K K K K  
 
DATE 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26 TUE 08/25/26  
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 90 56 87 59 91 58 89 56 90  
TEMP 86 87 66 57 80 83 69 62 84 87 68 61 83 85 66 59 84 86  
DEWPT 48 47 48 47 49 50 52 54 57 53 53 52 46 43 47 48 49 48  
PWIND DIR E NE SE SE S W NW NE SE  
WIND CHAR GN GN BZ BZ GN GN LT LT LT  
AVG CLOUDS FW FW FW SC SC B1 B1 B1 B1 SC SC FW FW FW FW SC SC SC  
POP 12HR 0 0 0 40 20 20 5 10 10  
RAIN SHWRS S C S S  
TSTMS S S S S  
 
 
WYZ199-201000-  
SHERIDAN-SHERIDAN WY  
44.80N 106.96W ELEV. 4019 FT  
1248 AM MDT WED AUG 19 2026  
 
DATE 08/18/26 WED 08/19/26 THU 08/20/26 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 51 86 54 91 58  
TEMP 53 51 64 80 85 84 68 61 56 54 65 83 89 89 72 65 60 58  
DEWPT 49 47 47 44 43 41 45 45 44 44 45 40 39 41 48 46 46 44  
RH 86 86 54 28 23 22 43 56 64 69 48 22 17 19 42 50 60 59  
WIND DIR SW SW N N NW NW W SW SW N NE NE NE N SW SW SW SW  
WIND SPD 3 2 0 5 8 9 3 3 2 0 1 3 4 4 3 3 2 1  
CLOUDS FW FW FW FW FW CL FW SC FW SC FW FW FW CL FW FW SC SC  
POP 12HR 0 0 0 0 0  
QPF 12HR 0 0 0 0 0  
SNOW 12HR 00-00 00-00 00-00  
RAIN SHWRS  
TSTMS  
 
DATE 08/21/26 SAT 08/22/26 SUN 08/23/26 MON 08/24/26 TUE 08/25/26  
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 92 60 90 59 90 55 86 55 88  
TEMP 85 90 67 60 83 87 66 62 85 85 64 56 80 83 63 56 82 85  
DEWPT 46 46 47 47 52 52 54 52 50 50 51 49 47 47 49 48 48 47  
PWIND DIR NW E E SW NW W NE S E  
WIND CHAR LT LT LT LT LT LT LT LT LT  
AVG CLOUDS FW FW SC SC B1 B1 B1 B1 SC SC SC SC SC FW SC SC SC SC  
POP 12HR 0 0 10 10 20 10 20 10 20  
RAIN SHWRS S S S  
TSTMS S S  
 
 
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