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Issued by NWS Billings, MT

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Point Forecast Matrices
National Weather Service Billings MT
325 AM MDT Wed Sep 20 2017

MTZ035-202300-
Billings-Yellowstone MT
45.81N 108.53W Elev. 3648 ft
325 AM MDT Wed Sep 20 2017

Date             Wed 09/20/17            Thu 09/21/17            Fri 09/22/17
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          39          45
Temp             41 47 58 65 60 50 47 44 44 46 52 55 54 48 46 41 39 39 40 44 45
Dewpt            31 33 33 33 37 36 37 34 35 38 35 32 36 37 40 37 35 35 35 34 36
RH               67 58 39 30 42 58 68 68 70 73 52 41 50 65 79 85 85 85 82 68 70
Wind dir          W  W  W  W  W SW  W  W  W  W NW NW NE NE NE NE  N  N  N  N NE
Wind spd         13 17 19 19 21 10  8  8  8  8  6  6  8  8  5  5  9  9 10 10  8
Clouds           FW FW B1 SC SC B1 B2 B2 B2 B2 B2 B2 OV OV OV OV OV OV OV OV B2
PoP 12hr                      5          20          30          70          60
QPF 12hr                      0        0.01        0.03        0.45        0.17
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                          S  S  S  S  C  C  L  L  L  L  L  L  C  C  C


Date               Sat 09/23/17  Sun 09/24/17  Mon 09/25/17  Tue 09/26/17
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            36    45      35    49      36    54      39    56
Temp          39   36 42 45 39   35 44 49 41   37 51 52 42   41 54 56
Dewpt         35   33 35 39 36   33 36 36 37   33 40 37 34   32 36 38
PWind dir          NE    NE      NE     N       S     S       S     W
Wind char          LT    LT      LT    LT      LT    LT      LT    GN
Avg clouds    B2   B2 OV OV B2   B1 B2 B2 B2   B1 SC SC SC   SC SC SC
PoP 12hr           40    60      40    30      20    10      10    20
Rain shwrs     C    C  L  C  C    C  C  S  S                     S  S
Snowshwrs           C             C  C

$$
MTZ065-202300-
Livingston-Park MT
45.70N 110.47W Elev. 4656 ft
325 AM MDT Wed Sep 20 2017

Date             Wed 09/20/17            Thu 09/21/17            Fri 09/22/17
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                      56          37          51          34          43
Temp             38 45 53 56 52 43 42 37 37 39 47 51 48 38 37 34 35 35 37 43 39
Dewpt            27 31 33 36 41 37 36 32 33 33 33 32 35 32 32 31 33 32 32 37 37
RH               64 58 46 47 66 79 79 82 85 79 58 48 60 79 82 89 92 89 82 79 92
Wind dir          W SW SW SW SW SW  W  W  W  W  W  W  E  E  E  E  E  E NE NE NE
Wind spd         35 35 37 34 34 24 12 12 10 10 12 12 10 10  8  8  9  9 13 13 13
Wind gust        52 56 57 57 48
Clouds           SC B2 B1 B2 B2 B1 B2 B2 B2 B2 B2 B2 B2 B2 OV OV OV OV OV OV OV
PoP 12hr                     40          60          50          60          60
QPF 12hr                   0.07        0.09        0.06        0.19        0.19
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        S  S  C  C  L  L  C  C  C  C  C  C  C  C  L  L  L  L  L  L  C
Snowshwrs                           C  C                    L  L  L  L
Wind              Y  Y  Y  Y  Y


Date               Sat 09/23/17  Sun 09/24/17  Mon 09/25/17  Tue 09/26/17
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            31    45      30    48      30    51      34    54
Temp          33   31 39 44 32   33 44 47 33   32 48 48 35   39 51 54
Dewpt         32   30 31 40 30   31 32 34 27   28 35 36 30   33 38 37
PWind dir          NE    NE      SE     W       S    SW      SW    SW
Wind char          GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    OV   B2 B2 B2 B2   B1 B1 SC B1   SC SC SC SC   SC B1 SC
PoP 12hr           30    40      20    20      20    10      20    20
Rain shwrs     C       C  C  S       S  S  S                     S  S
Snowshwrs           C  C     S    S  S          S             S

$$
MTZ032-202300-
Miles City-Custer MT
46.42N 105.90W Elev. 2628 ft
325 AM MDT Wed Sep 20 2017

Date             Wed 09/20/17            Thu 09/21/17            Fri 09/22/17
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                      67          44          61          41          52
Temp             41 49 61 66 66 53 49 46 44 48 58 61 59 50 47 43 41 44 49 52 51
Dewpt            34 35 30 26 31 31 33 33 34 35 35 32 32 32 38 37 36 38 41 36 35
RH               76 58 31 22 27 43 54 60 68 60 42 33 36 50 71 79 82 79 74 54 54
Wind dir         SW SW SW SW SW  W SW SW  W  W NW NW  N  N  N  N  N  N  N  N  N
Wind spd         10 14 17 16 16 10  6  6  6  6  9  9  8  8  8  8 10 10 13 13 10
Clouds           FW FW SC B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 OV OV OV OV OV B2 B2
PoP 12hr                      5           5          20          50          50
QPF 12hr                      0           0        0.01        0.19        0.14
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                      S  S  C  C  C  C  C  C  C  C  C


Date               Sat 09/23/17  Sun 09/24/17  Mon 09/25/17  Tue 09/26/17
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    52      37    51      37    55      37    60
Temp          43   38 50 51 42   38 49 50 42   38 52 53 45   38 57 60
Dewpt         37   34 41 38 38   36 43 39 39   35 43 39 37   32 42 41
PWind dir           N    NE       N    NE      NE    SW      SE    SW
Wind char          GN    LT      LT    LT      LT    LT      GN    GN
Avg clouds    B2   B2 B2 B2 B2   B2 B2 B2 B2   B2 B1 SC SC   SC SC SC
PoP 12hr           30    30      40    40      30    10      10    20
Rain shwrs     C    C  C  C  S    C  C  S  C    S                S  S
Snowshwrs                         C             S

$$
MTZ033-202300-
Baker-Fallon MT
46.38N 104.24W Elev. 2969 ft
325 AM MDT Wed Sep 20 2017

Date             Wed 09/20/17            Thu 09/21/17            Fri 09/22/17
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                      67          44          65          41          55
Temp             39 49 60 66 66 52 46 45 44 51 62 65 61 51 46 43 41 48 54 55 52
Dewpt            34 35 27 24 27 29 29 31 34 36 37 33 32 32 33 32 34 36 36 34 33
RH               82 58 28 20 23 41 51 58 68 56 39 30 33 48 60 65 76 63 50 45 48
Wind dir         SW SW SW SW  S  S SW SW  W  W NW NW  N  N  N  N  N  N  N  N  N
Wind spd         10 16 20 18 16 10  6  6  4  4 11 11 10 10 10 10 11 11 16 16 12
Clouds           FW FW FW SC SC B1 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B2
PoP 12hr                      0           5          10          30          40
QPF 12hr                      0           0           0        0.05        0.02
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                            S  S  C  C  C  C  C  C  C


Date               Sat 09/23/17  Sun 09/24/17  Mon 09/25/17  Tue 09/26/17
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    53      38    51      36    54      35    59
Temp          42   39 49 52 40   39 49 50 41   37 52 51 39   37 57 59
Dewpt         35   34 39 36 35   36 41 38 36   34 39 33 31   32 39 39
PWind dir           N     N       N    NE       E     N      SE     S
Wind char          GN    GN      GN    GN      GN    LT      GN    GN
Avg clouds    B2   B2 B2 B2 B2   B2 B2 B2 B2   B1 B2 B1 B1   SC SC SC
PoP 12hr           30    40      40    40      30    10      10    20
Rain shwrs     C    C  C  C  C    C  C  S  C    S                S  S
Snowshwrs                         C             S

$$
WYZ099-202300-
Sheridan-Sheridan WY
44.80N 106.96W Elev. 4019 ft
325 AM MDT Wed Sep 20 2017

Date             Wed 09/20/17            Thu 09/21/17            Fri 09/22/17
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                      67          42          57          36          48
Temp             36 48 61 66 65 54 47 44 42 48 56 55 52 47 42 37 37 38 44 48 48
Dewpt            28 32 27 28 33 33 34 36 36 39 41 39 43 42 39 34 35 34 38 39 41
RH               72 54 27 24 30 45 60 73 79 71 57 55 71 83 89 89 92 85 79 71 77
Wind dir         NW  W  W  W SW SW SW SW NW NW  N  N NW NW NW NW  N  N NE NE  N
Wind spd         13 11 12 16 14 11  3  3  3  3  6  6  8  8  5  5  5  5 10 10  8
Clouds           FW CL FW FW FW B1 B2 B2 B2 B2 B2 B2 OV OV OV OV OV OV B2 B2 B2
PoP 12hr                      5          10          30          60          50
QPF 12hr                      0           0        0.04        0.23        0.02
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                S  S  C  C  L  L  C  C  C  C  C  C  C
Snowshwrs                                                   C  C  C  C


Date               Sat 09/23/17  Sun 09/24/17  Mon 09/25/17  Tue 09/26/17
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            33    45      32    45      30    49      31    54
Temp          39   33 42 44 37   32 38 45 34   32 46 47 35   33 51 54
Dewpt         35   31 37 38 35   30 32 36 32   28 34 34 30   27 34 35
PWind dir           N    NE       N     N      NW    NE      SE     W
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B2   OV OV OV B2   B2 B2 B2 B2   B1 B1 SC SC   SC SC SC
PoP 12hr           50    50      50    40      30    20      10    20
Rain shwrs     C       C  C  C          C  C       S  S          S  S
Snowshwrs           C  C          C  C          S  S

$$



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