Point Forecast Matrices
Issued by NWS Billings, MT

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Point Forecast Matrices
National Weather Service Billings MT
718 PM MST Thu Dec 14 2017

MTZ035-151100-
Billings-Yellowstone MT
45.81N 108.53W Elev. 3648 ft
718 PM MST Thu Dec 14 2017

Date          Thu 12/14/17      Fri 12/15/17            Sat 12/16/17         Sun
MST 3hrly     14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      31          51          30          35          20
Temp                31 31 31 31 31 42 51 43 40 37 34 32 30 32 35 32 27 25 23 22
Dewpt               19 20 18 18 17 18 18 18 20 23 26 27 26 25 24 21 21 21 18 18
RH                  61 63 58 58 56 37 27 36 44 56 72 81 85 75 64 63 78 84 81 84
Wind dir            SW SW  W  W SW SW SW SW  W NW NW  N  N  N  N  N  N  W  W SW
Wind spd            12 16 21 21 24 19 19 16 10 11 11  6  6  8  8  3  3  4  4 13
Clouds              SC FW SC FW SC FW SC B1 B2 OV OV OV OV OV OV B2 B2 SC SC FW
PoP 12hr                      0           0          60          70          20
QPF 12hr                      0           0        0.06        0.10           0
Snow 12hr                 00-00       00-00           T
Rain shwrs                                      L
Snowshwrs                                       L  L  L  L  C  C  S  S


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

Max/Min          37      28    43      26    42      31    39      14    24
Temp          30 34 28   29 38 38 29   28 36 38 34   32 36 31 21   17 19 24
Dewpt         19 20 18   19 24 24 21   21 25 23 24   23 23 19 14   11 10 11
PWind dir        SW      SW     W       W    SW       S    SW       N    NW
Wind char        GN      BZ    BZ      GN    GN      GN    BZ      BZ    GN
Avg clouds    FW SC SC   B1 B1 B2 B1   B2 B2 B2 B2   B2 B2 B2 B2   B2 B2 B1
PoP 12hr          5      10    30      20    20      20    40      30    10
Rain                            C                           C
Rain shwrs                                    S  S
Snow                               S    S                S  C  C    S
Snowshwrs                    S             S     S

$$
MTZ065-151100-
Livingston-Park MT
45.70N 110.47W Elev. 4656 ft
718 PM MST Thu Dec 14 2017

Date          Thu 12/14/17      Fri 12/15/17            Sat 12/16/17         Sun
MST 3hrly     14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      30          45          27          33          17
Temp                31 32 31 30 30 39 44 41 38 36 33 30 27 32 32 30 25 24 20 17
Dewpt               22 20 19 18 17 17 17 20 21 22 23 24 21 24 20 21 17 16 13 12
RH                  69 61 61 60 58 40 33 42 50 56 66 78 78 72 61 69 71 71 74 80
Wind dir             W  W SW SW SW SW SW SW SW SW  W  W  W NW NW  W  W  W  W SW
Wind spd            18 32 36 39 46 43 43 37 39 40 28 10 10  9  9  8  8  9  9 17
Wind gust              44 51 55 64 60 60 52 55 56 40
Clouds              SC SC SC FW FW SC B1 B1 B2 OV OV OV OV OV OV B2 B2 SC SC SC
PoP 12hr                      0           0          80          80          30
QPF 12hr                      0           0        0.11        0.12        0.01
Snow 12hr                 00-00       00-00           1
Rain shwrs                                C  C
Snowshwrs                                    C  D  D  D  D  C  C  C  C
Wind                    Y  Y  Y  Y  Y  Y  Y


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

Max/Min          35      27    42      30    45      34    39      14    23
Temp          27 31 29   31 38 38 35   31 39 43 43   38 39 31 24   18 20 23
Dewpt         16 16 15   20 25 23 23   22 24 25 25   27 22 13 12   11 10  9
PWind dir        SW      SW    SW      SW    SW      SW    SW      NW    NW
Wind char        BZ      VW    VW      WY    BZ      WY    BZ      BZ    GN
Avg clouds    SC SC B1   B1 B2 B2 B2   B2 B2 B2 B2   B2 B2 B2 B2   B2 B2 B1
PoP 12hr         10      20    30      30    20      20    50      30    20
Rain                            C  C                     S  C
Rain shwrs                                    S  S    S
Snow                               C    C                S  C  C    S
Snowshwrs                 S  S             S                           S

$$
MTZ032-151100-
Miles City-Custer MT
46.42N 105.90W Elev. 2628 ft
718 PM MST Thu Dec 14 2017

Date          Thu 12/14/17      Fri 12/15/17            Sat 12/16/17         Sun
MST 3hrly     14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      23          50          29          37          20
Temp                26 26 25 23 26 42 50 43 38 35 33 31 29 35 37 32 28 25 23 21
Dewpt               17 18 17 15 16 20 20 20 22 24 26 26 25 25 22 20 21 20 19 18
RH                  68 71 71 71 65 41 30 39 52 64 75 81 85 66 54 61 75 81 84 88
Wind dir            SW  S SW SW SW  W  W  W NW NW NW NW NW NW NW NW NW  W  W SW
Wind spd             5  5  8  9 10 12 12 11 10 13 16  9  9 11 11  6  6  6  6 10
Clouds              FW SC B1 B1 SC SC SC B1 B2 B2 B2 OV OV B2 B2 B1 B1 SC SC FW
PoP 12hr                      0           0          40          40           5
QPF 12hr                      0           0        0.02        0.02           0
Snow 12hr                 00-00       00-00           T
Snowshwrs                                       C  C  C  C


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

Max/Min          38      26    42      23    39      25    38      12    22
Temp          31 31 27   26 38 34 28   24 33 33 30   26 34 31 21   16 17 22
Dewpt         19 17 19   19 25 23 21   18 21 19 20   20 24 21 14   10  8  9
PWind dir        SW      SW     W       W     W      SE    SW       N    NW
Wind char        GN      GN    GN      GN    GN      GN    GN      BZ    GN
Avg clouds    FW FW SC   B1 B2 B2 B1   B1 B1 B1 B2   B2 B2 B2 B2   B2 B2 B2
PoP 12hr          0      10    20      20    20      10    30      40    20
Rain                            S                           C
Snow                               S                     S  C  C    C
Snowshwrs                    S             S                           S

$$
MTZ033-151100-
Baker-Fallon MT
46.38N 104.24W Elev. 2969 ft
718 PM MST Thu Dec 14 2017

Date          Thu 12/14/17      Fri 12/15/17            Sat 12/16/17         Sun
MST 3hrly     14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      19          47          27          35          18
Temp                21 20 22 22 24 40 47 40 35 32 31 30 27 33 34 29 25 23 20 19
Dewpt               18 16 16 16 16 21 21 21 21 23 26 26 23 24 24 21 21 19 17 16
RH                  88 84 77 77 71 46 35 46 56 69 81 85 85 69 66 72 84 84 88 88
Wind dir             W  W  W  W  W  W  W  W  W  W NW NW NW NW NW NW NW  W  W  W
Wind spd             8  6  8 10 11 14 13 12 11 13 16 10 10 12 12  6  6  6  6 11
Clouds              SC B1 B1 B1 B1 SC SC B1 B1 B2 B2 OV OV B2 B2 B1 B1 SC SC SC
PoP 12hr                      0           0          30          30          10
QPF 12hr                      0           0        0.01        0.03           0
Snow 12hr                 00-00       00-00           T
Snowshwrs                                       C  C  C  C  S  S


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

Max/Min          36      24    40      22    36      22    36      10    21
Temp          30 27 25   25 36 30 26   23 32 26 25   23 32 28 19   13 17 21
Dewpt         18 18 19   19 24 23 21   17 17 16 16   16 19 23 15    9  5  7
PWind dir         W      SW     W       W     W       S     S       N    NW
Wind char        GN      GN    GN      GN    GN      GN    GN      BZ    BZ
Avg clouds    SC FW SC   SC B1 B1 B1   SC B1 B1 B2   B2 B2 B2 B2   B2 B2 B2
PoP 12hr          0      10    20      10    10      10    30      50    20
Rain                            S
Snow                            S                           C  C    C
Snowshwrs                    S                                         S

$$
WYZ099-151100-
Sheridan-Sheridan WY
44.80N 106.96W Elev. 4019 ft
718 PM MST Thu Dec 14 2017

Date          Thu 12/14/17      Fri 12/15/17            Sat 12/16/17         Sun
MST 3hrly     14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

Min/Max                      19          53          28          35          16
Temp                21 21 19 22 22 45 53 44 37 36 32 31 28 33 35 30 24 23 20 19
Dewpt               17 15 13 14 14 19 21 19 19 21 22 25 25 26 25 23 21 19 16 14
RH                  84 77 77 71 71 35 28 36 48 54 66 78 88 75 66 75 88 84 84 80
Wind dir             S SW SW  W  W  W SW SW  W NW NW NW NW NW NW NW NW NW NW SW
Wind spd             5  4  3  4  4  3  4  4  3  8 10  6  6  9  9  8  8  4  4  6
Clouds              FW FW FW FW FW FW SC B1 B1 B2 B2 OV OV OV OV B2 B2 B1 B1 SC
PoP 12hr                      0           0          50          80          40
QPF 12hr                      0           0        0.02        0.22        0.04
Snow 12hr                 00-00       00-00           T
Snowshwrs                                       C  C  D  D  L  L  C  C


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

Max/Min          37      22    43      22    42      26    42      14    23
Temp          31 30 23   23 38 36 26   24 36 35 29   29 38 34 23   17 20 23
Dewpt         19 18 13   14 23 24 22   18 24 22 19   18 22 21 14    9  9 10
PWind dir        SW      SW     W       W    NW      SW    SW      NW    NW
Wind char        LT      LT    LT      LT    LT      LT    GN      GN    GN
Avg clouds    SC FW SC   SC B1 B1 B1   B1 B1 B1 B1   B1 B1 B1 B2   B2 B2 B2
PoP 12hr         10      10    20      20    20      10    30      40    20
Rain                            S                           C
Snow                               S    S                      C    C
Snowshwrs                    S             S                           S

$$



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