Point Forecast Matrices
Issued by NWS Billings, MT

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FOUS55 KBYZ 171124
PFMBYZ

Point Forecast Matrices
National Weather Service Billings MT
524 AM MDT Sat May 17 2025

MTZ235-172200-
Billings-Yellowstone MT
45.81N 108.53W Elev. 3648 ft
524 AM MDT Sat May 17 2025

Date             Sat 05/17/25            Sun 05/18/25            Mon 05/19/25
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                      68          49          65          45          53
Temp             45 54 63 68 67 60 56 51 49 54 61 65 57 51 49 48 45 46 50 52 53
Dewpt            41 45 44 42 43 44 42 43 43 46 48 49 47 44 41 40 38 38 41 41 43
RH               86 71 50 39 42 55 59 74 80 74 62 56 69 77 74 74 76 73 71 66 69
Wind dir          W SW SE  E  E  E  E NE NE NE  N  N NW NW NW NW NW NW NW  N  N
Wind spd          4  3  5  8 11 12 14 10  8  9 10 13 19 24 23 21 20 18 16 14 11
Clouds           B1 B1 SC SC B1 B2 B2 OV B2 B2 OV B2 OV OV OV OV OV B2 B2 B2 B2
PoP 12hr                     20          20          90          90          70
QPF 12hr                      0           0        0.33        0.52        0.22
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S  S  S        S  S  S  D  D  D  D  L  L  L  L  L  L  C
Tstms                      S  S                 C  C  C  C
Obvis            PF


Date               Tue 05/20/25  Wed 05/21/25  Thu 05/22/25  Fri 05/23/25
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    66      44    68      47    68      45    67
Temp          47   43 62 65 50   44 63 67 53   47 65 66 52   45 61 65
Dewpt         41   38 39 40 40   38 40 41 41   39 43 44 41   38 41 42
PWind dir          NW     W      NW     W       E    NW      NW     N
Wind char          LT    GN      GN    GN      LT    GN      GN    LT
Avg clouds    B2   B2 B1 B1 B1   SC SC B1 SC   B1 B1 B1 B1   SC SC B1
PoP 12hr           40    30      50    30      30    50      40    30
Rain shwrs     C    S  S  C  C    S  S  C  S    C  S  C  C    S  S  C
Tstms                        S          S             S  S          S

$$
MTZ065-172200-
Livingston-Park MT
45.70N 110.47W Elev. 4656 ft
524 AM MDT Sat May 17 2025

Date             Sat 05/17/25            Sun 05/18/25            Mon 05/19/25
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                      65          44          55          36          57
Temp             40 50 60 65 62 52 50 45 44 55 55 55 53 46 41 39 36 41 48 54 57
Dewpt            37 41 40 40 40 40 42 40 40 48 46 43 39 36 33 32 29 30 32 33 33
RH               89 71 47 40 44 63 74 82 86 77 72 64 59 68 73 76 75 65 54 45 40
Wind dir          W  W  E  E  E  E  E SE  E  W  W  W  W  W  W  W  W  W  W  W  W
Wind spd          4  4  9 11 16 14 10  6  5 10 14 16 19 19 16 16 13 16 20 18 17
Clouds           B2 B1 SC B1 B1 OV OV B2 OV OV OV OV B2 OV OV B2 B2 B1 B2 B2 B2
PoP 12hr                     40          60          90          70          50
QPF 12hr                   0.01        0.04        0.44        0.40        0.03
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              C  C  L  L  L  C  D  D  D  D  L  L  C  C  C  C  S  S  S
Tstms                      S  S              S  S  S
Obvis            PF


Date               Tue 05/20/25  Wed 05/21/25  Thu 05/22/25  Fri 05/23/25
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            38    63      38    66      41    65      39    67
Temp          43   38 59 61 45   38 59 65 46   41 60 63 46   39 60 65
Dewpt         34   31 35 36 36   31 34 34 35   33 41 40 35   31 38 39
PWind dir           W     W       W     W       S     W       W     W
Wind char          GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    B1   B1 SC B1 B1   B1 SC SC B1   B1 B1 B1 B1   SC SC B1
PoP 12hr           20    40      50    20      30    50      30    30
Rain shwrs     S          C  C    S     S  C    C  C  C  C    S     C
Tstms                     S  S          S             S             S

$$
MTZ032-172200-
Miles City-Custer MT
46.42N 105.90W Elev. 2628 ft
524 AM MDT Sat May 17 2025

Date             Sat 05/17/25            Sun 05/18/25            Mon 05/19/25
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                      68          47          69          45          51
Temp             40 53 63 68 68 58 53 49 47 53 64 69 64 56 50 46 45 45 48 50 51
Dewpt            36 40 41 41 42 42 42 40 40 43 47 48 49 46 44 42 41 43 44 44 45
RH               85 61 44 37 39 55 66 71 76 69 54 47 58 69 80 86 86 93 86 80 80
Wind dir          E SE SE SE  E  E  E  E  E  E  E  E  E  E  E  E  E  E  E NE NE
Wind spd          5  8  9 11 13 14 14 16 16 20 24 26 21 20 16 14 13 12 13 12 11
Wind gust                                         36
Clouds           B1 SC SC FW SC SC B1 B1 B1 B1 B2 B1 B2 OV OV OV OV OV OV OV OV
PoP 12hr                     10          10          40          90          90
QPF 12hr                      0           0        0.04        0.25        0.36
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                C  C  C  C  D  D  D  D  D  D  D  D  L
Tstms                                           S  S  S  S
Obvis            PF


Date               Tue 05/20/25  Wed 05/21/25  Thu 05/22/25  Fri 05/23/25
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            42    61      41    66      45    69      46    66
Temp          45   42 53 60 48   42 61 65 50   45 64 67 52   46 61 65
Dewpt         43   41 44 45 43   39 44 41 41   41 46 45 44   42 43 42
PWind dir           E     N       E     W       E    SW      NW     W
Wind char          LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    OV   B2 B2 B2 B1   B1 B1 B1 SC   SC SC B1 B1   B1 B1 B1
PoP 12hr           70    40      30    40      20    40      40    30
Rain shwrs     L    C  C  C  C    C  C  C  S    S  S  C  C    C  C  C

$$
MTZ033-172200-
Baker-Fallon MT
46.38N 104.24W Elev. 2969 ft
524 AM MDT Sat May 17 2025

Date             Sat 05/17/25            Sun 05/18/25            Mon 05/19/25
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                      63          40          58          40          50
Temp             33 50 59 63 61 49 46 42 41 48 54 58 55 48 44 41 40 44 46 48 50
Dewpt            33 40 41 41 41 39 38 37 36 39 42 44 42 40 39 38 38 41 41 43 44
RH              100 68 51 44 48 68 73 82 82 71 64 59 61 74 82 89 92 89 83 83 80
Wind dir          E SE  E  E  E  E SE SE  E SE SE SE SE  E  E  E  E  E  E  E  E
Wind spd          2  4  8 11 16 17 18 23 23 28 32 33 27 26 21 19 17 17 17 16 14
Wind gust                          28    34 40 44 46 40 36
Clouds           SC SC SC SC SC SC B1 B1 B1 B2 B2 B2 B2 OV OV OV OV OV OV OV OV
PoP 12hr                      5          20          40          80          90
QPF 12hr                      0           0        0.01        0.10        0.34
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                          S     C  C  C  C  L  L  D  D  D  D  D  D  D
Tstms                                        S  S  S
Obvis            PF


Date               Tue 05/20/25  Wed 05/21/25  Thu 05/22/25  Fri 05/23/25
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            37    53      36    62      39    67      41    64
Temp          40   38 48 52 40   37 57 61 43   40 62 64 46   42 58 62
Dewpt         40   38 42 42 38   36 42 42 38   37 45 43 40   38 41 40
PWind dir           E    NE      SE    SW       S    SW       S     W
Wind char          GN    LT      GN    GN      LT    GN      GN    GN
Avg clouds    OV   OV B2 B2 B2   B1 B1 B1 SC   SC SC B1 B1   B1 SC B1
PoP 12hr           80    50      30    30      20    30      40    30
Rain shwrs     D    L  C  C  C    C  S  C  S          C  C    C  S  C

$$
WYZ199-172200-
Sheridan-Sheridan WY
44.80N 106.96W Elev. 4019 ft
524 AM MDT Sat May 17 2025

Date             Sat 05/17/25            Sun 05/18/25            Mon 05/19/25
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                      68          44          70          39          48
Temp             36 50 62 67 67 54 47 45 45 57 70 68 63 52 47 42 39 41 46 48 48
Dewpt            33 39 40 41 40 42 40 40 40 47 48 48 49 48 44 40 37 37 40 40 41
RH               89 66 44 39 37 64 76 82 82 69 45 49 60 86 89 93 92 85 79 74 77
Wind dir         SW NE  E  E  E  E SE  S SE SE SE SE  E SW NW NW NW NW NW NW NW
Wind spd          2  2  5  6  8  5  5  5  5  5  8 10 12 14 16 16 17 18 19 18 14
Clouds           FW SC SC SC SC B1 B1 B2 B2 B2 B2 B2 OV OV OV OV OV OV OV OV OV
PoP 12hr                     30          20          90          90          90
QPF 12hr                      0           0        0.21        0.75        0.44
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              C  S  S                 D  D  D  D  D  D  D  D  D  D  L
Tstms                      S  S                 C  C  C  C
Obvis            PF
Flood                                           A  A  A  A  A  A  A  A  A  A


Date               Tue 05/20/25  Wed 05/21/25  Thu 05/22/25  Fri 05/23/25
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            38    63      37    66      40    70      40    66
Temp          39   39 58 62 44   38 62 64 45   41 66 66 48   40 60 63
Dewpt         37   35 41 41 38   34 43 44 38   34 45 46 41   36 42 43
PWind dir          NW    NW      SW    NW       S    NW      NW     N
Wind char          GN    GN      LT    LT      LT    LT      LT    LT
Avg clouds    OV   B2 B2 B1 B1   B1 B1 B1 SC   SC B1 B1 B1   SC SC B1
PoP 12hr           60    40      40    40      10    40      30    30
Rain shwrs     L    C  C  C  C    C  C  C          S  C  C    S  S  C
Tstms                                   S             S  S          S

$$