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Issued by NWS Billings, MT

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Point Forecast Matrices
National Weather Service Billings MT
230 AM MDT Tue Sep 19 2017

MTZ035-192300-
Billings-Yellowstone MT
45.81N 108.53W Elev. 3648 ft
230 AM MDT Tue Sep 19 2017

Date             Tue 09/19/17            Wed 09/20/17            Thu 09/21/17
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                      57          41          65          44          55
Temp          53 49 48 54 57 56 50 47 43 41 47 58 64 63 52 48 45 44 45 52 55 52
Dewpt         40 41 40 38 36 34 38 36 32 30 33 32 31 36 36 36 32 34 33 35 32 38
RH            61 74 74 54 45 43 63 65 65 65 58 37 29 36 54 63 60 68 62 52 41 59
Wind dir      NW  W NW  W  W  W  W  W SW SW SW SW SW  W SW  W  W NW NW  N  N NE
Wind spd       6  9  9 13 14 13 12 13 12 13 14 24 27 20 10 10  9  6  6  9  9  8
Wind gust                                         39
Clouds        OV OV B2 B2 B2 B2 B1 SC SC FW FW SC SC B1 B1 B2 B2 B2 B2 B2 B2 OV
PoP 12hr                     70          20           5          20          30
QPF 12hr                   0.13           0           0           0        0.02
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     L  L  L  C  C  S  S                          S  S  S  S  C  C  L
Tstms                   S  S


Date               Fri 09/22/17  Sat 09/23/17  Sun 09/24/17  Mon 09/25/17
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            39    46      37    47      36    48      37    53
Temp          44   39 43 45 38   38 42 47 39   37 45 48 41   38 51 51
Dewpt         39   35 36 39 35   36 37 39 37   34 36 36 36   34 39 37
PWind dir          NE     N      NE    NE      NE     N       S     S
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    OV   OV OV OV B2   B2 B2 B2 B2   B1 B2 B2 B2   B1 B1 SC
PoP 12hr           70    50      40    30      30    30      20    10
Rain shwrs     L    L  C  C  C    C  C  C  S    C  C  S  S
Snowshwrs                                       C

$$
MTZ065-192300-
Livingston-Park MT
45.70N 110.47W Elev. 4656 ft
230 AM MDT Tue Sep 19 2017

Date             Tue 09/19/17            Wed 09/20/17            Thu 09/21/17
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                      52          38          57          37          50
Temp          43 42 41 48 52 47 42 41 38 39 45 52 57 53 43 42 38 38 40 47 50 46
Dewpt         38 40 38 37 33 35 33 31 28 27 31 31 36 37 34 33 29 30 30 32 32 35
RH            82 93 89 65 48 63 70 67 67 62 58 44 45 54 70 70 70 73 67 56 50 65
Wind dir       W  W  W  W  W  W  W  W SW SW SW SW SW SW SW  W  W  W  W  W  W  E
Wind spd      10 11 11 24 24 25 20 24 25 31 34 36 36 34 24 18 17 13 13 12 12 13
Wind gust                    35       35 42 48 51 51 48
Clouds        OV B2 B2 B1 B1 B2 B1 SC B1 SC B1 B2 B2 B2 B2 B2 B1 B2 B2 B2 B2 OV
PoP 12hr                     60          40          30          50          50
QPF 12hr                   0.12        0.04        0.06        0.08        0.05
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     D  L  L  C  C  C  C        S  S  C  C  C  C  C  C  C  C  C  C  C
Tstms                   S  S


Date               Fri 09/22/17  Sat 09/23/17  Sun 09/24/17  Mon 09/25/17
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            34    43      30    44      30    47      30    51
Temp          37   34 38 43 33   30 37 44 33   32 44 46 34   32 49 48
Dewpt         33   32 31 40 31   29 29 38 29   29 32 34 26   28 36 37
PWind dir           E    NE      NE    NE      SE     W       S    SW
Wind char          GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    OV   OV OV OV B2   B2 B2 B2 B2   B1 B1 B1 B1   SC SC SC
PoP 12hr           60    60      30    30      20    20      20    10
Rain shwrs     C    L  L  L  C          C          S  S  S
Snowshwrs           L  L     C    C  S          S  S          S

$$
MTZ032-192300-
Miles City-Custer MT
46.42N 105.90W Elev. 2628 ft
230 AM MDT Tue Sep 19 2017

Date             Tue 09/19/17            Wed 09/20/17            Thu 09/21/17
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                      61          41          68          44          60
Temp          56 53 53 58 61 60 52 49 44 41 48 61 67 66 56 50 46 44 49 58 60 58
Dewpt         43 45 45 44 39 35 38 39 37 34 35 31 26 30 29 30 30 33 33 35 31 31
RH            62 74 74 59 44 39 59 68 76 76 60 32 21 26 35 46 53 65 54 42 33 36
Wind dir      NW NW NW  W  W  W  W SW SW SW SW SW SW SW  W SW  W  W  W NW NW  N
Wind spd      11  9 13 13 13 12 11 10 11 10 11 17 23 13 10  9  9  6  6 10 10  8
Clouds        OV B2 B2 B2 B1 B2 SC SC SC FW FW FW FW SC B1 B1 B2 B2 B2 B2 B2 B2
PoP 12hr                     50          20           0          10          10
QPF 12hr                   0.07           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     C  C  C  S  S  S                                               C


Date               Fri 09/22/17  Sat 09/23/17  Sun 09/24/17  Mon 09/25/17
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            41    53      38    52      37    53      36    56
Temp          46   41 52 51 43   38 49 50 40   38 50 52 42   37 52 54
Dewpt         38   35 42 37 39   36 41 39 36   36 41 39 38   34 42 40
PWind dir           N     N       N    NE       N    NE      NE    SW
Wind char          GN    GN      GN    LT      LT    LT      LT    LT
Avg clouds    B2   B2 OV B2 B2   B2 B2 B2 B2   B1 B2 B2 B2   B1 B1 B1
PoP 12hr           50    40      30    20      30    30      10    10
Rain shwrs     C    C  C  C  C    C  S  S  S    C  C  S
Snowshwrs                                       C

$$
MTZ033-192300-
Baker-Fallon MT
46.38N 104.24W Elev. 2969 ft
230 AM MDT Tue Sep 19 2017

Date             Tue 09/19/17            Wed 09/20/17            Thu 09/21/17
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                      59          39          68          44          64
Temp          56 53 55 59 58 56 48 45 41 39 49 61 67 66 53 48 45 45 52 61 64 62
Dewpt         41 43 46 45 43 37 38 36 35 33 34 28 25 27 29 31 31 34 37 35 32 31
RH            57 69 72 60 57 49 68 70 79 79 56 28 20 23 39 51 58 65 56 38 30 31
Wind dir      SE  W  W NW  W  W SW  W  W  W  W SW SW  S  S  S SW  W  W NW NW  N
Wind spd      10  9 13 18 16 13 11 13 11 12 14 20 20 13  9  9  6  5  5 11 11 10
Clouds        B2 B2 B2 B2 B2 OV B1 SC SC SC FW FW FW SC SC B1 B1 B2 B2 B1 B1 B1
PoP 12hr                     30          20           0           5          10
QPF 12hr                   0.06           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     C  C  C  C  C  S                                               S


Date               Fri 09/22/17  Sat 09/23/17  Sun 09/24/17  Mon 09/25/17
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            41    55      38    53      38    51      36    54
Temp          44   41 52 53 41   39 50 51 39   41 49 49 39   38 52 51
Dewpt         31   34 38 38 37   36 40 39 35   37 39 35 34   34 36 34
PWind dir           N     N       N     N       N    NE       E     N
Wind char          GN    GN      GN    GN      GN    GN      GN    LT
Avg clouds    B1   B1 B2 B2 B2   B2 B2 B2 B2   B2 B2 B2 B2   B1 B1 B1
PoP 12hr           30    40      30    40      30    20      10    10
Rain shwrs     S    C  C  C  C    C  C  C  C    C  S  S

$$
WYZ099-192300-
Sheridan-Sheridan WY
44.80N 106.96W Elev. 4019 ft
230 AM MDT Tue Sep 19 2017

Date             Tue 09/19/17            Wed 09/20/17            Thu 09/21/17
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                      55          34          67          41          56
Temp          52 49 48 54 54 50 45 39 38 34 48 61 66 65 51 45 41 41 45 55 55 54
Dewpt         44 44 43 44 38 39 36 33 30 26 33 27 27 34 34 33 33 35 36 40 37 41
RH            74 83 83 69 54 66 70 79 73 72 56 27 23 31 52 62 73 79 70 57 51 61
Wind dir      NW NW NW NW NW NW SW SW  W  S  S  S SW SW SW  S  W  W  W  N  N NW
Wind spd      14  8 12 12 11 12  6  8  4  6  5 16 19 12  8  5  4  4  4  5  5  9
Clouds        OV B2 B2 OV B2 B2 B1 SC SC FW FW FW FW SC SC B2 B2 B2 B2 B2 B2 B2
PoP 12hr                     70          40           0          20          30
QPF 12hr                   0.19        0.06           0           0        0.02
Snow 12hr                 00-00       00-00       00-00
Rain shwrs     C  L  L  L  L  C  C                          S  S  S  S  C  C  C
Tstms                   S  S


Date               Fri 09/22/17  Sat 09/23/17  Sun 09/24/17  Mon 09/25/17
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            35    48      33    47      33    45      30    49
Temp          40   35 45 47 36   33 42 47 36   34 42 44 34   31 46 47
Dewpt         36   32 36 39 34   32 37 39 34   32 35 36 32   29 35 35
PWind dir          NW     N       N    NE       N     N      NW    NE
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B2   OV OV B2 B2   B2 B2 OV B2   B2 B2 B2 B2   B1 B1 B1
PoP 12hr           50    40      40    40      40    40      30    20
Rain shwrs     C    C  C  C  C       C  C  C       C  C  C       S  S
Snowshwrs           C  C          C  C          C  C          S  S

$$



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