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Point Forecast Matrices
National Weather Service Great Falls MT
206 PM MST Mon Dec 11 2017

MTZ012-121100-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
206 PM MST Mon Dec 11 2017

Date          Mon 12/11/17      Tue 12/12/17            Wed 12/13/17         Thu
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                      32          55          32          46          27
Temp             39 32 34 32 35 35 49 55 46 40 38 36 34 32 41 46 39 31 30 29 27
Dewpt            18 15 16 13 15 12 14 15 15 13 16 17 18 17 19 16 18 15 17 16 16
RH               42 49 47 45 43 38 24 20 28 33 40 45 51 53 41 29 42 51 58 58 63
Wind dir         SW SW SW SW SW SW SW SW SW SW SW SW SW SW  W  W  W SW SW SW SW
Wind spd         13 14 14 17 19 26 27 28 23 16 13 13 12 10 10 11 11 12 13 11 10
Clouds           FW CL CL SC SC SC SC FW SC B1 SC FW B1 B1 B1 SC SC FW FW FW FW
PoP 12hr                      0           0           0           5           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           12/14/17  Fri 12/15/17  Sat 12/16/17  Sun 12/17/17  Mon 12/18/17
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          46      36    50      30    42      31    49      33    44
Temp          40 41 39   37 50 43 37   30 40 40 32   34 48 46 40   33 44 37
Dewpt         20 21 21   19 21 22 24   21 20 19 18   21 25 25 26   21 22 19
PWind dir        SW      SW    SW      SW     W      SW    SW       W     W
Wind char        GN      BZ    WY      BZ    BZ      BZ    WY      WY    WY
Avg clouds    FW SC SC   SC B1 B1 B2   B2 B2 B1 B1   B1 B1 B1 B1   B2 B1 B1
PoP 12hr          0       0     5      30    20      10    20      20    20
Rain                               C    C                S  S  S    S
Snow                               C    C  S             S          S  S

$$
MTZ010-121100-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
206 PM MST Mon Dec 11 2017

Date          Mon 12/11/17      Tue 12/12/17            Wed 12/13/17         Thu
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                      27          54          28          45          25
Temp             35 27 27 29 30 32 49 53 45 36 35 31 30 29 40 45 35 29 29 28 26
Dewpt            19 14 12 11  7  7 11 12 16 17 20 18 18 18 20 17 19 17 17 16 18
RH               52 57 53 46 37 34 21 19 31 45 54 58 60 63 44 32 52 60 60 60 71
Wind dir         SW  W  W  W  W  W  W  W  W  W  W  W  W NW NW NW NW  W  W  W  W
Wind spd         13 12 13 14 23 34 40 40 37 26 18 16 17 12 12 17 14 13 16 17 16
Wind gust                    39 44 51 51 49
Clouds           FW FW CL SC FW B1 FW B1 SC SC FW FW B1 B1 B1 SC FW FW FW FW FW
PoP 12hr                      0           0           0           5           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
High Wind                        A  A  A  A  A  A


Date           12/14/17  Fri 12/15/17  Sat 12/16/17  Sun 12/17/17  Mon 12/18/17
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          45      33    47      28    40      29    46      28    41
Temp          40 35 37   37 47 38 34   28 39 32 29   32 46 39 35   28 40 36
Dewpt         20 19 21   23 22 24 25   22 20 17 17   23 26 27 27   20 23 21
PWind dir        SW       W     W       W     W       W     W       W     W
Wind char        GN      BZ    WY      WY    BZ      BZ    WY      WY    WY
Avg clouds    FW SC SC   SC B1 B1 B1   B2 B1 B1 SC   B1 B1 B2 B1   B1 B1 SC
PoP 12hr          0       0     5      30    10      10    20      20    20
Rain                               S                     S  S  S
Snow                               S    C                S     S    S  S

$$
MTZ014-121100-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
206 PM MST Mon Dec 11 2017

Date          Mon 12/11/17      Tue 12/12/17            Wed 12/13/17         Thu
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                      18          35          23          39          20
Temp             31 26 24 21 20 18 28 35 32 31 29 26 24 23 32 39 33 27 23 22 21
Dewpt            18 16 16 15 15 12 17 18 15 15 18 18 17 17 22 22 20 19 17 16 16
RH               58 65 71 77 81 77 63 49 49 51 63 71 74 77 66 50 58 71 77 77 81
Wind dir         SW SW  S SW SE SW  S SW SW  W  W SW SW  W  W NW NW  W SW SW  W
Wind spd          2  2  1  2  2  3  2  4  5  6  4  2  4  2  1  4  5  4  4  3  4
Clouds           FW FW FW FW FW FW FW FW B1 B1 SC SC B1 B2 B1 SC SC FW FW FW SC
PoP 12hr                      0           0           0           5           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           12/14/17  Fri 12/15/17  Sat 12/16/17  Sun 12/17/17  Mon 12/18/17
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          39      24    43      27    39      27    46      30    42
Temp          30 34 28   25 40 41 33   27 33 39 29   30 43 45 37   30 36 42
Dewpt         20 19 18   19 25 24 27   21 20 22 21   24 29 28 29   23 23 25
PWind dir        SW      SW    SW       W     W       W    SW       W     W
Wind char        LT      LT    GN      GN    BZ      GN    GN      BZ    BZ
Avg clouds    SC SC SC   SC SC B1 B1   B1 B2 B2 B1   B1 B1 B2 B2   B1 B1 B1
PoP 12hr          0       0     5      20    20      10    30      30    20
Rain                               S    S                S  C  C    S
Snow                               S    S  S  S          S          S  S  S

$$
MTZ055-121100-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
206 PM MST Mon Dec 11 2017

Date          Mon 12/11/17      Tue 12/12/17            Wed 12/13/17         Thu
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                      13          33          18          37          15
Temp             26 19 18 15 14 14 27 33 28 22 21 20 20 18 31 37 31 22 20 17 15
Dewpt            11 12  9  6  8  7 15 17 13 13 12 11 14 11 19 20 18 13 13 12 12
RH               52 74 67 67 76 73 60 51 53 68 68 67 77 73 61 50 58 68 74 80 88
Wind dir          S  S  S  S  S  S  S SW SW SW  S  S SW SW  N  W NW  W  S SW  S
Wind spd          2  5  4  6  4  5  3  4  6  8  5  6  4  3  1  2  3  5  4  5  4
Clouds           CL FW CL CL FW CL CL CL FW FW SC SC B1 B2 B2 B1 SC FW FW FW SC
PoP 12hr                      0           0           0          10           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           12/14/17  Fri 12/15/17  Sat 12/16/17  Sun 12/17/17  Mon 12/18/17
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      18    38      21    35      21    42      27    40
Temp          29 32 22   19 34 37 27   21 26 35 22   25 37 42 35   27 38 38
Dewpt         21 18 12   13 20 23 19   17 17 20 13   20 25 26 26   22 26 25
PWind dir         S       S    SW      SW     W      SW    SW      SW     W
Wind char        LT      LT    GN      GN    BZ      GN    BZ      WY    BZ
Avg clouds    SC SC SC   SC SC B1 B2   B2 B2 B2 B2   B1 B2 B2 B2   B2 B1 B1
PoP 12hr          0       0    10      40    30      20    30      30    20
Rain                               C                        C  C    S     S
Snow                               C    C  C  S  S    S  S  C       S  S  S

$$
MTZ055-121100-
West Yellowstone-Gallatin MT
44.66N 111.11W Elev. 6700 ft
206 PM MST Mon Dec 11 2017

Date          Mon 12/11/17      Tue 12/12/17            Wed 12/13/17         Thu
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                      -5          26           4          32          -4
Temp             20 12  8  1 -4 -3 13 26 20 11  8  5  4  7 22 32 25 12  7  1 -4
Dewpt             9  8  4 -2 -7 -5 10 11 11  7  4  1  0  4 17 16 16  8  3 -2 -6
RH               62 84 83 87 86 91 87 52 67 83 83 83 83 87 81 51 68 84 83 87 91
Wind dir         SW  S  S SE  E  S  S  S  S  S  S  S  N  N  N NW  N  N  N  N NE
Wind spd          3  2  2  2  2  2  1  4  4  3  2  2  2  2  1  5  5  2  3  4  3
Clouds           FW FW FW CL FW CL CL CL FW FW SC SC B1 B1 B1 B1 SC FW FW FW SC
PoP 12hr                      0           0           0           5           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill                                                                -9-12
Min chill                    -4    -5                                       -13


Date           12/14/17  Fri 12/15/17  Sat 12/16/17  Sun 12/17/17  Mon 12/18/17
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          31      11    28      14    26      15    30      20    31
Temp          19 26 15   11 23 28 20   14 21 25 16   18 24 30 26   20 26 31
Dewpt         13 18 10    9 15 18 17   12 15 16 12   16 18 21 23   19 20 21
PWind dir        SE       S     S      SW     W      SW    SW      SW    SW
Wind char        LT      LT    LT      GN    GN      GN    GN      GN    GN
Avg clouds    FW SC SC   SC SC B1 B2   B2 B2 B2 B2   B1 B2 B2 B2   B2 B2 B2
PoP 12hr          0       0    10      40    40      30    40      40    20
Snow                               C    C  C  C  C    C  C  C  C    C  S  S

$$
MTZ008-121100-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
206 PM MST Mon Dec 11 2017

Date          Mon 12/11/17      Tue 12/12/17            Wed 12/13/17         Thu
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                      17          37          20          41          17
Temp             31 24 22 19 20 17 30 37 29 24 24 22 22 21 33 41 35 26 22 18 17
Dewpt            14  9  9  7  9  8 14 16 11  7 10  9 11 11 16 20 19 15 13 11 11
RH               49 52 57 59 62 67 51 42 46 47 54 57 62 65 49 42 52 62 68 73 77
Wind dir          S  S  S  S  S  S  S  S  S  S  S  S  S SW SW  W NW  W  S  S  S
Wind spd          5  6  8 12 11 11 10  8  9  9  9 10 10  8  6  5  8  6  6  9 11
Clouds           FW FW CL CL CL CL CL CL FW FW B1 SC B1 B1 B1 SC SC FW FW FW FW
PoP 12hr                      0           0           0           5           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date           12/14/17  Fri 12/15/17  Sat 12/16/17  Sun 12/17/17  Mon 12/18/17
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          39      21    40      22    36      22    42      29    42
Temp          28 32 23   22 35 39 27   23 35 32 23   25 38 42 34   29 39 40
Dewpt         16 17 12   13 17 23 19   17 19 16 13   18 22 25 25   21 22 23
PWind dir         S       S     S      SW     W      SW    SW      SW     W
Wind char        LT      GN    BZ      BZ    GN      BZ    BZ      BZ    BZ
Avg clouds    FW SC SC   SC SC B1 B2   B2 B2 B1 B1   B1 B2 B2 B2   B1 B1 B1
PoP 12hr          0       0     5      20    10      10    20      20    20
Rain                                                           S    S
Snow                               S    S                S  S  S    S  S  S

$$
MTZ011-121100-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
206 PM MST Mon Dec 11 2017

Date          Mon 12/11/17      Tue 12/12/17            Wed 12/13/17         Thu
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                      25          55          26          45          23
Temp             37 26 26 28 26 27 45 55 44 35 32 30 28 27 40 45 37 33 29 28 25
Dewpt            20 12 15 18 14 15 15 15 16 18 19 20 17 19 23 22 23 24 21 22 21
RH               50 55 62 66 60 60 29 20 32 49 58 66 63 71 50 40 56 69 72 78 84
Wind dir         SW SW SW SW SW SW SW  W  W  W  W  W  W  W  W NW  W  W  W  W  W
Wind spd          8  8  9 11 12 14 25 28 21 17 17 18 16 12 17 17 12 16 16 17 16
Clouds           SC SC FW SC FW SC FW FW SC FW CL FW SC B1 B1 SC SC B1 SC FW SC
PoP 12hr                      0           0           0           5           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
High Wind                        A  A  A  A  A  A


Date           12/14/17  Fri 12/15/17  Sat 12/16/17  Sun 12/17/17  Mon 12/18/17
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          42      28    48      27    42      26    47      28    43
Temp          35 35 30   30 48 39 30   28 40 39 28   29 46 42 36   28 42 36
Dewpt         24 23 19   20 25 29 26   23 27 23 20   21 27 27 29   21 27 23
PWind dir        SW      SW     W       W     W       W     W       W     W
Wind char        GN      GN    WY      BZ    BZ      GN    BZ      BZ    WY
Avg clouds    FW SC B1   SC B1 B2 B2   B2 B2 B1 B1   SC B1 B1 B2   B2 B2 B1
PoP 12hr          0       0    10      30    20      10    20      30    20
Rain                               C                        S  S    C  S  S
Snow                               C    C  S                   S    C  S  S

$$
MTZ051-121100-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
206 PM MST Mon Dec 11 2017

Date          Mon 12/11/17      Tue 12/12/17            Wed 12/13/17         Thu
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          55          29          43          25
Temp             38 31 30 32 33 36 51 54 45 37 34 31 30 30 39 43 35 30 28 27 25
Dewpt            16 12 16 14 15  8 11 17  9  8 15 16 18 18 19 20 18 20 19 19 18
RH               40 45 55 47 47 30 20 23 22 29 45 53 60 60 44 39 49 66 68 71 74
Wind dir         SW  S SW SW SW SW  W  W  W  W  W  W  W  W  W NW  W  W  W NW  W
Wind spd          6  5  5  6  8 10 17 24 20 13 11 12 12 10 11 11 11 12 12 11 11
Clouds           SC CL CL CL CL SC FW CL FW SC FW FW SC B1 B1 B1 SC FW SC SC SC
PoP 12hr                      0           0           0           5           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
High Wind                        A  A  A  A  A  A


Date           12/14/17  Fri 12/15/17  Sat 12/16/17  Sun 12/17/17  Mon 12/18/17
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          44      32    50      28    38      27    46      29    40
Temp          38 36 32   35 50 41 33   28 36 36 28   31 45 43 38   29 40 34
Dewpt         21 16 13   18 22 24 26   21 20 18 17   21 24 23 27   23 23 22
PWind dir         W      SW     W       W     W       W     W       W     W
Wind char        GN      GN    WY      BZ    BZ      GN    WY      BZ    BZ
Avg clouds    FW SC SC   SC SC B1 B2   B2 B2 B1 B1   SC B1 B1 B2   B2 B2 B1
PoP 12hr          0       0     5      20    20      10    10      30    30
Rain                               S    S                      S    C
Snow                               S    S  S                        C  C  S

$$
http://www.weather.gov/greatfalls




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