Point Forecast Matrices
Issued by NWS Billings, MT

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FOUS55 KBYZ 161030
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Point Forecast Matrices
National Weather Service Billings MT
330 AM MST Sat Dec 16 2017

MTZ035-162300-
Billings-Yellowstone MT
45.81N 108.53W Elev. 3648 ft
330 AM MST Sat Dec 16 2017

Date                Sat 12/16/17            Sun 12/17/17            Mon 12/18/17
MST 3hrly     02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
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                      35          18          38          31          46
Temp             33 30 32 34 31 26 22 21 18 18 31 38 35 31 31 33 35 34 42 46 42
Dewpt            28 27 25 23 20 18 16 14 11 11 17 18 17 17 18 19 20 22 25 26 27
RH               82 88 75 64 63 71 77 74 73 73 56 44 47 56 58 56 54 61 50 45 55
Wind dir          N NE NE NE  E  E  E NE SW SW SW SW SW SW SW SW  W  W  W  W  W
Wind spd          9  8 10  6  5  5  3  3 10 12 13 16 17 17 18 18 20 18 17 18 18
Clouds           OV OV OV OV OV B2 B1 SC FW FW SC SC B1 B1 B2 B2 B2 B2 B2 B2 B2
PoP 12hr                     90          20           5          20          30
QPF 12hr                   0.09        0.01           0        0.01        0.02
Snow 12hr                     1           T       00-00
Rain                                                                 C  S  S  C
Snow              D  D  L  L  S  S                                C  C        C
Snowshwrs                                                   S  S
Winter Weath      Y  Y  Y  Y  Y


Date               Tue 12/19/17  Wed 12/20/17  Thu 12/21/17  Fri 12/22/17
MST 6hrly     23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            28    42      33    38      12    27      16    31
Temp          32   28 35 42 34   36 36 23 16   12 24 27 24   16 30 26
Dewpt         28   24 28 32 22   21 22  9  6    6  9  9 12    6 12 11
PWind dir          SW    SW       S    SW      NW    NW       W     W
Wind char          GN    GN      BZ    BZ      GN    GN      GN    GN
Avg clouds    B2   B2 B2 B2 B2   B2 B2 B2 OV   B2 SC SC SC   B1 B2 B2
PoP 12hr           30    20      30    60      40    10      10    20
Rain           C          S  C       C
Snow           C    C  S  S  C    C  C  L  C    C                S  S

$$
MTZ065-162300-
Livingston-Park MT
45.70N 110.47W Elev. 4656 ft
330 AM MST Sat Dec 16 2017

Date                Sat 12/16/17            Sun 12/17/17            Mon 12/18/17
MST 3hrly     02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
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                      32          15          37          33          42
Temp             35 29 29 32 29 25 25 18 15 15 31 37 34 33 35 35 39 37 41 42 40
Dewpt            27 26 21 19 18 15 13  8  6  4 12 15 12 12 14 15 21 17 29 28 24
RH               72 88 72 58 63 65 60 64 67 61 45 40 39 41 41 43 48 44 62 57 52
Wind dir         SW  S  E  E NE  N  W  W  W  W SW SW SW SW SW SW SW SW SW SW SW
Wind spd         12  9 10 10  8  6  9 10 18 23 24 28 39 39 40 40 41 35 33 36 37
Wind gust                                            60 60 60 60 57 50 47 50 52
Clouds           OV OV OV OV B2 B2 SC FW FW FW SC B1 B2 B2 B2 B2 B2 B2 B2 B2 B2
PoP 12hr                     80          20           5          20          50
QPF 12hr                   0.10        0.02           0        0.03        0.08
Snow 12hr                     2           T       00-00
Rain                                                              C  C  C  C  C
Rain shwrs                                                  S  S
Snow              D  D  L  L  S  S                                C  C        C
Snowshwrs                                             S  S  S  S
Winter Weath      Y  Y  Y  Y  Y


Date               Tue 12/19/17  Wed 12/20/17  Thu 12/21/17  Fri 12/22/17
MST 6hrly     23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            32    46      36    40      10    24      15    28
Temp          37   33 44 46 46   40 36 21 14   10 23 20 20   16 28 19
Dewpt         31   27 36 30 28   23 29 11  6    5 12  7  4    7 12  5
PWind dir          SW    SW      SW    SW      NW     W       W    SW
Wind char          WY    BZ      VW    WY      GN    GN      GN    GN
Avg clouds    B2   B2 B2 B2 B2   B2 OV OV B2   B2 B1 SC B1   B1 B1 B2
PoP 12hr           40    30      40    60      40    20      10    20
Rain           C    C  C  C  C    C  L
Snow           C    C  C             L  L  C    C  S             S  S

$$
MTZ032-162300-
Miles City-Custer MT
46.42N 105.90W Elev. 2628 ft
330 AM MST Sat Dec 16 2017

Date                Sat 12/16/17            Sun 12/17/17            Mon 12/18/17
MST 3hrly     02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
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                      38          19          38          27          45
Temp             33 29 34 38 32 27 25 22 19 19 31 38 30 27 27 29 31 31 42 44 39
Dewpt            30 26 24 21 17 15 16 14 13 14 18 19 15 16 17 19 21 22 27 27 27
RH               89 88 66 50 53 60 68 71 77 80 58 46 53 63 65 66 66 69 55 51 62
Wind dir         NW NW NW NW NW NW NW SE  S  S  S SW SW SW  W  W  W  W  W  W  W
Wind spd         10  8 10 10  6  5  5  3  6  8 11 12 10 10 12 12 16 17 18 18 16
Clouds           OV OV OV OV B2 B2 B1 SC SC FW FW FW B1 B1 B2 B2 B2 B2 B2 B2 B2
PoP 12hr                     20           5           0          10          30
QPF 12hr                   0.02           0           0           0        0.03
Snow 12hr                     T       00-00       00-00
Rain                                                                    S  S  S
Snow              S  S                                            C  C        S


Date               Tue 12/19/17  Wed 12/20/17  Thu 12/21/17  Fri 12/22/17
MST 6hrly     23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            23    39      27    38       9    23      15    29
Temp          29   23 36 38 34   28 38 26 19    9 19 21 25   15 28 24
Dewpt         23   20 22 23 28   23 25 16 10    4  4  7 13   10 15 12
PWind dir           W     W       S     W      NW    NW       W    NW
Wind char          GN    GN      GN    GN      BZ    GN      GN    GN
Avg clouds    B2   B2 B2 B2 OV   OV OV OV OV   B2 SC SC SC   B1 B2 B2
PoP 12hr           20    20      40    50      40    10      10    20
Rain           S          S  C       C  C
Snow           S    S  S  S  C    C  C  C  C    S                S  S

$$
MTZ033-162300-
Baker-Fallon MT
46.38N 104.24W Elev. 2969 ft
330 AM MST Sat Dec 16 2017

Date                Sat 12/16/17            Sun 12/17/17            Mon 12/18/17
MST 3hrly     02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
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                      35          15          38          26          42
Temp             27 27 31 35 28 24 22 19 16 16 32 37 28 26 28 28 31 32 42 39 34
Dewpt            25 23 23 23 20 18 18 15 13 12 20 22 18 17 18 18 22 23 26 26 24
RH               92 85 72 61 71 77 84 84 88 84 61 54 66 68 66 66 69 69 53 59 66
Wind dir         NW NW NW NW NW NW NW  S  S  S  S SW SW SW SW SW  W  W  W  W NW
Wind spd         11  8 11 10  6  5  4  3  6  5 13 14 12 12 14 14 16 19 21 21 19
Clouds           OV OV B2 OV B2 B2 B2 SC SC SC FW FW SC B1 B1 B1 B2 B2 B2 B2 B2
PoP 12hr                     10           5           0           5          30
QPF 12hr                      0           0           0           0        0.03
Snow 12hr                 00-00       00-00       00-00
Rain                                                                 C  C  C
Snow                                                              C  C     C  S


Date               Tue 12/19/17  Wed 12/20/17  Thu 12/21/17  Fri 12/22/17
MST 6hrly     23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            21    37      24    36       6    18      11    24
Temp          27   21 36 30 28   25 36 24 12    6 10 15 20   11 23 20
Dewpt         23   18 21 16 22   21 24 20  8    3 -2  5 12    8 14 10
PWind dir           W     W       S    SW      NW    NW       W    NW
Wind char          BZ    GN      GN    GN      GN    BZ      GN    GN
Avg clouds    B2   B1 B1 B2 B2   B2 B2 OV OV   OV B1 SC SC   B1 B2 B2
PoP 12hr           20    10      30    50      50    20      10    20
Rain                                    C
Snow           S             C    C  C  C  C    S  S             S  S

$$
WYZ099-162300-
Sheridan-Sheridan WY
44.80N 106.96W Elev. 4019 ft
330 AM MST Sat Dec 16 2017

Date                Sat 12/16/17            Sun 12/17/17            Mon 12/18/17
MST 3hrly     02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
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                      33          14          37          23          47
Temp             31 28 32 33 29 25 24 19 17 14 29 37 29 24 23 24 27 28 44 46 38
Dewpt            24 28 25 21 20 21 19 15 13 10 17 19 17 13 13 15 18 19 27 27 25
RH               75100 75 61 69 84 81 84 84 84 60 48 60 62 65 68 68 68 51 47 59
Wind dir         NW NW  N NW NW NW NW NW SW  S SW  S SW SW SW SW  W  W  W  W  W
Wind spd         10  8 12  9  8 10 10  4  4  5  5  4  4  4  6  6  9 11 12 13 13
Clouds           OV OV OV OV OV OV B2 B1 SC SC FW FW SC SC B1 B1 B2 B2 B1 B1 B1
PoP 12hr                    100          40           5           5          20
QPF 12hr                   0.16        0.05           0           0        0.02
Snow 12hr                     3           1       00-00
Rain                                                                    S  S
Snow              D  D  D  D  C  C  S  S                          S  S        S
Winter Weath      Y  Y  Y  Y  Y  Y


Date               Tue 12/19/17  Wed 12/20/17  Thu 12/21/17  Fri 12/22/17
MST 6hrly     23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6hrly     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Min/Max            23    44      28    42      10    24      10    31
Temp          29   24 43 36 36   29 42 26 13   11 24 13 13   12 30 21
Dewpt         24   21 29 24 30   22 23 17  9    7  6  2  7    5 12  9
PWind dir          NW     W       S    SW      NW    NW      NW    NW
Wind char          LT    LT      GN    LT      GN    GN      GN    LT
Avg clouds    B1   B1 B1 B1 B1   B1 B1 B2 OV   OV B2 SC SC   B1 B1 B1
PoP 12hr           20    10      10    50      60    20      10    20
Rain                                 C  C
Snow           S    S                C  C  L    C  S  S          S  S

$$



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