847
FOUS55 KBYZ 211655
PFMBYZ
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE BILLINGS MT
1055 AM MDT THU MAY 21 2026
MTZ235-212200-
BILLINGS-YELLOWSTONE MT
45.81N 108.53W ELEV. 3648 FT
1055 AM MDT THU MAY 21 2026
DATE THU 05/21/26 FRI 05/22/26 SAT 05/23/26
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 57 39 68 43 78
TEMP 48 53 55 50 45 41 39 49 61 65 66 58 51 45 44 55 70 76 77
DEWPT 39 37 36 38 36 35 34 35 37 33 31 35 35 34 34 35 39 36 35
RH 71 54 49 63 70 79 82 58 41 30 27 42 54 65 68 47 32 23 22
WIND DIR N N N W W W SW W W W S S SW SW SW SW SW SW SW
WIND SPD 8 4 4 4 6 8 10 11 6 4 4 4 4 4 8 9 6 6 6
CLOUDS OV B2 B2 B1 B1 FW FW FW FW SC B1 SC SC B1 SC FW FW FW SC
POP 12HR 70 10 0 0 0
QPF 12HR 0.07 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN
RAIN SHWRS C S
TSTMS S
DATE SUN 05/24/26 MON 05/25/26 TUE 05/26/26 WED 05/27/26
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 50 87 54 90 55 85 54 80
TEMP 58 52 79 85 64 56 82 87 66 58 79 82 63 57 74 78
DEWPT 38 35 38 35 39 39 39 37 39 39 42 39 42 43 44 41
PWIND DIR SW SW SW SW SW N N NW
WIND CHAR LT GN LT GN GN GN GN GN
AVG CLOUDS SC SC FW SC SC SC FW FW SC SC B1 B1 B1 B1 B1 B1
POP 12HR 0 0 5 5 5 10 40 30
RAIN SHWRS C C C C
TSTMS S S
MTZ065-212200-
LIVINGSTON-PARK MT
45.70N 110.47W ELEV. 4656 FT
1055 AM MDT THU MAY 21 2026
DATE THU 05/21/26 FRI 05/22/26 SAT 05/23/26
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 53 30 65 38 75
TEMP 43 50 51 45 38 33 31 45 58 63 63 54 47 42 39 53 68 73 74
DEWPT 34 33 33 34 32 29 27 30 31 30 28 34 32 32 30 32 35 34 35
RH 70 52 50 65 79 85 85 55 36 29 26 46 56 67 70 44 29 24 24
WIND DIR SE NE SW SW SW W W W SW W W SE SW W W W W W W
WIND SPD 4 6 8 4 5 5 6 5 5 6 4 3 3 5 6 5 9 12 10
CLOUDS B2 B1 B1 FW FW FW SC SC SC SC B1 B1 B1 B1 SC FW FW SC SC
POP 12HR 80 20 0 5 0
QPF 12HR 0.10 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN
RAIN SHWRS C C S
SNOW
TSTMS S S
DATE SUN 05/24/26 MON 05/25/26 TUE 05/26/26 WED 05/27/26
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 46 82 48 83 49 78 46 73
TEMP 55 47 76 79 59 51 79 79 60 52 74 72 57 50 68 71
DEWPT 35 31 34 37 36 35 35 39 37 35 36 42 41 39 39 41
PWIND DIR SW W SW SW S N SW SW
WIND CHAR LT GN GN GN GN GN LT GN
AVG CLOUDS SC FW FW SC B1 SC FW SC B1 SC B1 B1 B2 B1 B1 B1
POP 12HR 0 5 5 10 10 40 50 50
RAIN SHWRS C C C C C
TSTMS C C
MTZ032-212200-
MILES CITY-CUSTER MT
46.42N 105.90W ELEV. 2628 FT
1055 AM MDT THU MAY 21 2026
DATE THU 05/21/26 FRI 05/22/26 SAT 05/23/26
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 58 39 68 40 77
TEMP 50 53 55 50 45 41 40 51 61 66 67 56 48 42 41 55 70 75 76
DEWPT 44 44 41 41 40 39 38 39 40 38 37 38 38 36 35 37 39 38 39
RH 80 71 59 71 82 92 92 63 46 36 33 51 68 79 79 51 32 26 26
WIND DIR N N N N NW W W NW NW NW NW NE S S S S SW SW W
WIND SPD 11 8 8 4 5 5 5 8 9 10 6 3 2 2 3 3 4 5 5
CLOUDS OV OV OV OV OV B1 SC SC FW FW SC SC SC SC FW FW FW FW FW
POP 12HR 70 20 0 0 0
QPF 12HR 0.05 0.02 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN
RAIN SHWRS L C S S
DATE SUN 05/24/26 MON 05/25/26 TUE 05/26/26 WED 05/27/26
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 47 86 52 90 58 90 57 83
TEMP 56 48 79 84 62 53 83 88 69 60 85 86 69 59 78 80
DEWPT 40 37 40 37 41 40 43 39 44 43 46 44 49 48 48 47
PWIND DIR S SW SW SW SE SE SE S
WIND CHAR LT GN LT LT GN BZ BZ BZ
AVG CLOUDS FW FW FW FW SC SC FW FW FW SC SC SC SC B1 B1 SC
POP 12HR 0 0 0 0 5 5 20 20
RAIN SHWRS S S
TSTMS S S
MTZ033-212200-
BAKER-FALLON MT
46.38N 104.24W ELEV. 2969 FT
1055 AM MDT THU MAY 21 2026
DATE THU 05/21/26 FRI 05/22/26 SAT 05/23/26
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 61 37 64 36 75
TEMP 57 57 55 48 45 42 38 49 58 62 64 51 44 41 38 56 69 72 74
DEWPT 41 43 41 42 43 41 38 38 38 37 35 38 38 36 32 33 35 35 35
RH 55 59 59 80 93 96100 66 47 39 34 61 79 82 79 42 28 26 24
WIND DIR N N N N NW NW NW NW NW N N N N N S SW W W W
WIND SPD 13 16 17 10 8 6 6 10 12 12 9 1 0 0 2 3 5 6 6
CLOUDS B1 B2 B2 OV OV OV OV B1 B1 B1 SC SC SC SC SC FW FW FW FW
POP 12HR 70 90 30 0 0
QPF 12HR 0.04 0.24 0.05 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C L L D L C C C C S
TSTMS S S
DATE SUN 05/24/26 MON 05/25/26 TUE 05/26/26 WED 05/27/26
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 43 85 51 90 57 89 57 82
TEMP 52 45 80 83 60 53 86 88 66 59 87 86 66 58 80 80
DEWPT 39 35 38 34 40 39 39 36 46 45 45 43 49 48 47 44
PWIND DIR S SW SW SW SE SE SE S
WIND CHAR LT GN LT LT BZ BZ WY WY
AVG CLOUDS SC FW FW FW FW SC FW FW FW SC SC FW SC B1 B1 SC
POP 12HR 0 0 0 0 5 5 20 20
RAIN SHWRS S S
TSTMS S S
WYZ199-212200-
SHERIDAN-SHERIDAN WY
44.80N 106.96W ELEV. 4019 FT
1055 AM MDT THU MAY 21 2026
DATE THU 05/21/26 FRI 05/22/26 SAT 05/23/26
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 46 30 62 34 72
TEMP 41 42 44 41 37 33 31 45 57 61 62 49 42 38 35 50 66 70 71
DEWPT 41 41 38 36 33 31 29 34 36 35 34 37 33 31 30 35 37 37 37
RH 100 96 79 82 85 92 92 65 45 38 35 63 70 76 82 56 34 30 29
WIND DIR NW NW NW W W W W NW NW NW NW SW SW S S N N N NE
WIND SPD 13 13 11 4 5 5 3 2 11 8 3 3 3 2 1 0 3 2 3
CLOUDS OV OV B2 B2 B1 FW FW FW FW FW SC SC SC SC B1 FW FW FW FW
POP 12HR 100 50 0 0 5
QPF 12HR 0.36 0.04 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN
RAIN SHWRS D D C S
DATE SUN 05/24/26 MON 05/25/26 TUE 05/26/26 WED 05/27/26
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 39 82 44 86 46 84 46 80
TEMP 49 41 77 79 55 46 82 82 58 49 81 79 60 48 74 77
DEWPT 35 32 39 38 37 36 39 38 37 36 41 40 41 40 42 39
PWIND DIR S W SW SW S SE SW SE
WIND CHAR LT LT LT LT LT GN BZ GN
AVG CLOUDS FW FW FW FW FW FW FW FW FW SC SC SC B1 B1 B1 B1
POP 12HR 0 0 0 5 5 20 30 30
RAIN SHWRS S C C
TSTMS S S C
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