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Issued by NWS Billings, MT

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Point Forecast Matrices
National Weather Service Billings MT
255 AM MDT Thu Sep 21 2017

MTZ035-212300-
Billings-Yellowstone MT
45.81N 108.53W Elev. 3648 ft
255 AM MDT Thu Sep 21 2017

Date             Thu 09/21/17            Fri 09/22/17            Sat 09/23/17
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                      53          39          43          36          48
Temp          48 46 46 51 53 49 46 41 39 39 39 41 43 41 40 38 38 36 39 44 48 47
Dewpt         37 37 37 37 37 38 39 38 36 33 37 36 37 37 38 36 36 34 35 34 35 35
RH            65 71 71 59 54 66 76 89 89 79 92 82 79 85 92 92 92 92 85 68 60 63
Wind dir       W NW  S NE NE NE NE NE  N NE NE NE NE  N  N NE  N  N  N  N  N NE
Wind spd       4  4  6  4  8  9  9 13 12 10 10 11 10 10  8  6  4  5  5  8  8  8
Clouds        OV OV OV B2 OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B2
PoP 12hr                     60          90          80          50          40
QPF 12hr                   0.05        0.57        0.24        0.07        0.06
Snow 12hr                 00-00       00-00       00-00
Rain           D  C  C  C  L  D  D  D  D  D  D  L  L  C  C  C  C
Rain shwrs                                                        C  C  C  C  C
Snowshwrs                                                         C  C


Date               Sun 09/24/17  Mon 09/25/17  Tue 09/26/17  Wed 09/27/17
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    52      37    55      39    59      43    64
Temp          41   36 47 51 42   38 49 55 44   40 53 58 47   44 57 64
Dewpt         38   33 34 36 35   33 36 36 37   34 37 36 34   34 38 38
PWind dir           N    NW      SE    SE      SE    SW       W     W
Wind char          LT    LT      LT    LT      LT    LT      LT    GN
Avg clouds    B2   B2 B1 B1 B1   B1 SC SC SC   SC SC SC SC   SC SC FW
PoP 12hr           30    30      20    20      10    10      10     5
Rain shwrs     C    S  C  S  S    S  S  S
Snowshwrs           S             S

$$
MTZ065-212300-
Livingston-Park MT
45.70N 110.47W Elev. 4656 ft
255 AM MDT Thu Sep 21 2017

Date             Thu 09/21/17            Fri 09/22/17            Sat 09/23/17
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                      50          35          40          30          46
Temp          40 38 41 47 50 44 42 41 37 38 35 36 40 37 33 33 31 30 32 40 45 45
Dewpt         39 38 38 37 38 39 39 38 36 32 35 31 35 34 32 32 30 29 30 30 33 32
RH            96100 89 68 63 82 89 89 96 79100 82 82 89 96 96 96 96 92 67 62 60
Wind dir       W  W NW NW  E  E  E  E  E  E  E  E  E  E  E  E SE  S  S  W  W  E
Wind spd       5  5  5  5  8 12 28 27 24 17 14 17 17 16 12  6  4  6  6  9  9 13
Wind gust                       40 39
Clouds        OV OV B2 B2 OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B1 B1 B2
PoP 12hr                     80         100          90          50          30
QPF 12hr                   0.12        0.62        0.24        0.05        0.06
Snow 12hr                 00-00       00-00           T
Rain           D  C  C  L  D  D  D  D  D  D  D  D  D  C  C
Rain shwrs                                                              C  C  S
Snow                                      D  D        C  C  C  C
Snowshwrs                                                         C  C        S


Date               Sun 09/24/17  Mon 09/25/17  Tue 09/26/17  Wed 09/27/17
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            28    52      30    54      34    56      37    61
Temp          31   29 46 51 36   31 48 52 37   37 52 54 40   39 55 59
Dewpt         27   25 32 35 30   26 31 36 30   31 34 38 34   31 39 37
PWind dir           S    NW      SW     W      SW     W       W    SW
Wind char          GN    LT      GN    GN      GN    GN      GN    GN
Avg clouds    B2   B1 B1 B1 B1   SC SC SC B1   SC SC B1 B1   SC SC SC
PoP 12hr           20    20      20    20      10    10      20    20
Rain shwrs     S       S  S  S       S  S                     S  S
Snowshwrs      S       S          S  S                        S

$$
MTZ032-212300-
Miles City-Custer MT
46.42N 105.90W Elev. 2628 ft
255 AM MDT Thu Sep 21 2017

Date             Thu 09/21/17            Fri 09/22/17            Sat 09/23/17
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                      62          43          54          39          52
Temp          49 47 50 58 62 59 53 48 47 43 45 52 54 51 46 41 41 39 43 49 52 48
Dewpt         31 36 39 39 35 33 34 35 36 35 39 41 39 36 40 37 38 37 40 40 38 36
RH            50 65 66 49 36 37 48 60 65 73 79 66 57 56 79 85 89 92 89 71 59 63
Wind dir       W NW NW NW NW  N  N  N  N  N NE NE NE NE  N  N  N NE NE NE NE NE
Wind spd       6  6  9  8  9  8  8  9 11 14 16 13 12 12 11  8  6  6  6  8  8  9
Clouds        OV OV B2 B2 B2 B2 B2 B2 B1 B2 B2 OV OV B2 OV B2 OV B2 B2 B2 B2 OV
PoP 12hr                     30          30          30          40          40
QPF 12hr                   0.01        0.05        0.03        0.04        0.08
Snow 12hr                 00-00       00-00       00-00
Rain           L  C  S        S  S  C  C  C  C  C  C  C  C  C  C
Rain shwrs                                                        C  C  C  C  C


Date               Sun 09/24/17  Mon 09/25/17  Tue 09/26/17  Wed 09/27/17
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            37    53      38    55      38    59      40    66
Temp          42   37 51 51 42   39 52 54 43   39 55 57 45   42 62 64
Dewpt         38   34 41 38 38   36 41 37 38   35 43 41 38   37 45 44
PWind dir           N     N      NE     N      SE     S      SE    SW
Wind char          LT    LT      LT    LT      LT    LT      LT    GN
Avg clouds    OV   OV B2 B1 B2   B1 B1 B1 B1   SC SC B1 SC   SC SC SC
PoP 12hr           40    40      20    20      10    10       5    10
Rain shwrs     C    C  C  C  S    S  S  S

$$
MTZ033-212300-
Baker-Fallon MT
46.38N 104.24W Elev. 2969 ft
255 AM MDT Thu Sep 21 2017

Date             Thu 09/21/17            Fri 09/22/17            Sat 09/23/17
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                      64          42          55          38          51
Temp          47 46 52 61 64 61 49 45 43 42 48 51 55 51 45 41 39 38 43 48 51 49
Dewpt         32 36 39 41 39 34 32 33 33 35 38 39 40 36 39 36 36 35 38 39 39 37
RH            56 68 61 48 40 36 52 62 67 76 68 63 57 56 79 82 89 89 82 71 63 63
Wind dir      SW NW NW NW NW  N  N  N NE NE NE NE NE NE  N  N  N NW NW NE NE  N
Wind spd       6  6 11 12 11 10  6 10  9 10 17 14 13 13 11  8  8  6  6 10 10 10
Clouds        B2 B2 B1 B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 OV B2 B2 OV OV OV
PoP 12hr                     10          10          20          40          40
QPF 12hr                      0           0           0        0.04        0.12
Snow 12hr                 00-00       00-00       00-00
Rain           S                          S  S  S  S  S  S  C  C
Rain shwrs                                                        C  C  C  C  L


Date               Sun 09/24/17  Mon 09/25/17  Tue 09/26/17  Wed 09/27/17
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    54      36    55      37    63
Temp          42   39 49 51 40   38 51 52 40   37 52 53 41   40 60 60
Dewpt         38   36 38 40 35   34 36 35 33   33 40 39 35   36 40 42
PWind dir           N     N      NE    NE       E    SW       S    SW
Wind char          GN    GN      GN    LT      GN    LT      GN    GN
Avg clouds    OV   OV OV B2 B2   B2 B1 B1 B1   B1 B1 B1 B1   SC SC SC
PoP 12hr           60    40      20    20      10    10       5    10
Rain shwrs     L    C  C  C  S    S  S
Snowshwrs                         S

$$
WYZ099-212300-
Sheridan-Sheridan WY
44.80N 106.96W Elev. 4019 ft
255 AM MDT Thu Sep 21 2017

Date             Thu 09/21/17            Fri 09/22/17            Sat 09/23/17
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                      58          39          49          36          45
Temp          47 45 48 54 57 57 50 44 41 39 41 44 49 46 43 39 37 36 38 42 45 43
Dewpt         38 40 43 43 42 43 42 40 38 37 38 38 36 38 38 37 36 35 35 38 38 39
RH            71 82 83 66 57 59 74 86 89 92 89 79 61 73 82 92 96 96 89 86 76 86
Wind dir      NW NW NW  N  N  N NW  N NW NW  N NE  N  N NW  N NW  W  W  N  N NW
Wind spd       4  6  6  4  5 10  9  6  5  8  6  6  6 10 11  9  6  5  5  5  5  8
Clouds        B2 B2 B2 B2 B2 B2 B2 B2 B2 OV B2 B2 B2 B2 B2 B2 OV B2 B2 OV OV OV
PoP 12hr                     40          40          40          50          60
QPF 12hr                   0.03        0.07        0.08        0.14        0.11
Snow 12hr                 00-00       00-00       00-00
Rain           C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C  C
Rain shwrs                                                        L  L  C  C  C
Snowshwrs                                                         L  L


Date               Sun 09/24/17  Mon 09/25/17  Tue 09/26/17  Wed 09/27/17
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            32    47      32    50      32    55      35    60
Temp          35   32 41 47 37   32 43 50 38   33 50 54 40   37 56 57
Dewpt         34   30 33 38 33   30 34 35 32   28 33 34 29   29 34 37
PWind dir          NW     N       N    NE      SE    NW       W    NW
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    OV   B2 B2 B2 B2   B1 B1 B1 B1   B1 SC SC SC   SC SC SC
PoP 12hr           50    40      30    30      20    10      10    10
Rain shwrs     C          C  C       C  C  S
Snowshwrs           C  C          S  C          S

$$


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