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Point Forecast Matrices
National Weather Service Great Falls MT
319 AM MDT Wed Oct 18 2017

MTZ012-182300-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
319 AM MDT Wed Oct 18 2017

Date             Wed 10/18/17            Thu 10/19/17            Fri 10/20/17
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          51          75          47          56
Temp             46 46 58 64 61 58 56 55 54 52 71 74 68 57 54 52 51 47 55 54 47
Dewpt            27 29 30 28 34 40 37 33 33 28 30 26 31 30 31 30 33 32 33 25 26
RH               47 51 34 25 36 51 49 43 45 39 22 17 25 35 41 43 50 56 43 32 43
Wind dir          W  W SW SW SW SW SW  S  S  S SW SW  S  S  S  S SW SW  W  W  W
Wind spd         11 12 23 24 27 26 28 29 28 26 18 19 14 14 18 19 19 21 28 33 21
Wind gust                    39 36 40 41 40 36                         40 47
Clouds           B2 B2 B2 B2 B2 OV B2 SC SC FW FW FW FW SC SC SC B1 B2 B2 B2 B1
PoP 12hr                      5           5           0           0          20
QPF 12hr                      0           0           0           0        0.01
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                              S  S  S


Date               Sat 10/21/17  Sun 10/22/17  Mon 10/23/17  Tue 10/24/17
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    55      47    63      44    57      41    61
Temp          39   35 49 55 50   54 62 55 47   44 55 53 43   42 58 59
Dewpt         27   23 18 26 36   40 36 31 36   33 30 30 32   33 34 31
PWind dir          SW    SW      SW    SW       W     W      SW    SW
Wind char          BZ    BZ      WY    WY      WY    BZ      BZ    GN
Avg clouds    B1   B1 SC FW B1   B2 B1 B2 B1   B1 B1 B1 B1   SC SC FW
PoP 12hr           20     5      20    20      30    10      10     5
Rain shwrs     S             S    S  S  S  C    S

$$
MTZ010-182300-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
319 AM MDT Wed Oct 18 2017

Date             Wed 10/18/17            Thu 10/19/17            Fri 10/20/17
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          44          67          38          53
Temp             35 39 52 59 56 50 49 46 46 46 64 66 60 50 43 39 38 40 50 52 45
Dewpt            22 25 22 28 36 39 40 37 36 35 33 27 30 33 31 30 32 33 31 27 25
RH               59 57 31 30 47 66 71 71 68 65 31 23 32 52 62 70 79 76 48 38 45
Wind dir          W  W SW SW SW SW SW  S  S  S SW SW SW  W  W  W  W  W  W  W  W
Wind spd         12 14 20 25 40 37 43 37 36 36 21 21 23 19 19 18 24 28 29 34 27
Wind gust                 35 56 52 60 52 51 51                      40 41 48 39
Clouds           B2 B2 B2 B2 B2 B2 B2 SC SC SC SC SC SC B1 B1 B1 B2 B1 B1 B1 SC
PoP 12hr                     10          10           0           0          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                                    S
High Wind                        A  A  A  A


Date               Sat 10/21/17  Sun 10/22/17  Mon 10/23/17  Tue 10/24/17
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    51      39    59      38    54      36    57
Temp          35   32 48 49 41   45 58 51 42   38 52 50 39   37 55 55
Dewpt         25   25 24 26 32   39 36 29 33   31 30 28 30   32 35 32
PWind dir           W     W      SW     W       W     W       W     W
Wind char          WY    WY      WY    VW      WY    WY      BZ    BZ
Avg clouds    SC   SC SC SC B1   B2 B1 B1 B1   B1 B1 B1 B1   SC SC SC
PoP 12hr           20    20      40    50      50    10      10     5
Rain shwrs     S    S  S  S  C    C  C  C  C    C
Snowshwrs           S  S

$$
MTZ014-182300-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
319 AM MDT Wed Oct 18 2017

Date             Wed 10/18/17            Thu 10/19/17            Fri 10/20/17
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                      67          44          74          42          53
Temp             46 46 57 67 64 59 53 48 46 46 62 73 70 58 49 45 42 43 48 51 48
Dewpt            33 34 32 30 34 37 37 35 36 35 34 28 29 24 27 28 30 34 33 28 27
RH               60 63 38 25 32 44 54 60 68 65 35 19 22 27 42 51 62 70 56 41 44
Wind dir          W  W  S SW SW  S SE SE SE SE  S  S  S  S SE SE SW  W  W  W  W
Wind spd         11  9  8 11 13 11 14 14 10  9 10 12 10 11  6  8  8 11 19 19 12
Clouds           B1 B1 B1 B1 B2 B2 B1 FW FW CL FW CL FW FW SC SC B1 B2 OV B2 B2
PoP 12hr                      5           0           0          10          30
QPF 12hr                      0           0           0           0        0.03
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                        C  C  C  C  S


Date               Sat 10/21/17  Sun 10/22/17  Mon 10/23/17  Tue 10/24/17
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    55      43    64      44    60      39    62
Temp          37   34 46 55 47   45 62 62 48   44 55 59 43   40 58 61
Dewpt         27   27 22 28 34   37 40 40 39   36 36 37 35   33 37 35
PWind dir          SW    SW      SW    SW       W     W      SW    SW
Wind char          GN    GN      GN    BZ      GN    GN      GN    LT
Avg clouds    B2   SC SC SC B2   B2 B1 B2 B1   B1 B1 B2 B1   SC SC SC
PoP 12hr           20    10      30    30      30    10      10     5
Rain shwrs     S    S        S    C  C  C  C    S
Snowshwrs           S

$$
MTZ055-182300-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
319 AM MDT Wed Oct 18 2017

Date             Wed 10/18/17            Thu 10/19/17            Fri 10/20/17
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                      69          40          73          41          55
Temp             41 44 60 69 65 52 47 43 42 42 65 73 67 51 45 42 42 43 52 51 45
Dewpt            31 32 29 29 34 39 36 34 35 33 33 26 29 34 32 33 33 34 34 29 30
RH               67 62 31 22 31 61 65 70 76 70 30 17 24 52 60 70 70 70 50 42 55
Wind dir          E NE  S SW SW  S SE SE SE  S SW SW  S  S SE SE  S SW  W  W  W
Wind spd          5  4  8 18 12  9 10  9  6  5  9 13 11 10  8  8 10  9 12 16 11
Clouds           SC B1 B1 B1 B1 B1 SC FW FW CL FW CL FW FW SC FW SC B2 OV OV B2
PoP 12hr                      0           0           0           0          50
QPF 12hr                      0           0           0           0        0.04
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                        C  C  C  C  C


Date               Sat 10/21/17  Sun 10/22/17  Mon 10/23/17  Tue 10/24/17
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            29    52      39    63      40    59      36    60
Temp          33   29 47 52 43   42 61 60 46   40 55 57 39   37 56 58
Dewpt         27   24 26 30 34   36 37 40 39   35 36 35 32   32 34 39
PWind dir          SW    SW      SW    SW      SW     W      SW    SW
Wind char          GN    GN      GN    BZ      GN    GN      GN    LT
Avg clouds    B2   B1 SC SC B1   B2 B2 B2 B2   B1 B2 B2 B1   SC SC FW
PoP 12hr           50    20      20    30      20    20      10     5
Rain shwrs     C    C  S  S       S  S  C  S       S  S
Snowshwrs      C    C  S  S

$$
MTZ055-182300-
West Yellowstone-Gallatin MT
44.66N 111.11W Elev. 6700 ft
319 AM MDT Wed Oct 18 2017

Date             Wed 10/18/17            Thu 10/19/17            Fri 10/20/17
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                      54          27          58          31          44
Temp             25 30 47 54 51 38 34 31 29 31 52 57 55 42 35 34 31 33 43 40 36
Dewpt            19 19 23 26 28 26 27 27 26 21 22 21 30 26 24 29 28 28 31 30 23
RH               78 63 38 34 41 62 75 85 88 66 31 24 38 53 64 82 88 82 62 67 59
Wind dir          S  S SW SW SW  S SE SE SE SE  S SW SW  S  S  S  S SW SW SW SW
Wind spd         11 12 16 17 12  5  6  5  5  5 16 20 13 10  9 10 10 13 19 20 12
Clouds           FW FW SC SC SC FW FW FW FW CL CL CL FW FW SC FW SC B2 OV OV OV
PoP 12hr                      0           0           0           5          70
QPF 12hr                      0           0           0           0        0.10
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                           C  L  L
Snowshwrs                                                         C        L  C
Tstms                                                                   S


Date               Sat 10/21/17  Sun 10/22/17  Mon 10/23/17  Tue 10/24/17
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            22    38      29    47      32    48      27    48
Temp          27   22 34 38 31   30 44 46 35   33 45 47 32   28 44 47
Dewpt         24   21 19 27 28   29 33 32 32   31 32 34 29   26 31 35
PWind dir          SW    SW      SW    SW      SW    SW      SW    SW
Wind char          GN    GN      BZ    BZ      GN    GN      LT    LT
Avg clouds    OV   B2 B1 B1 B1   B2 B2 B2 B2   B1 B2 B2 B1   SC SC FW
PoP 12hr           50    20      30    30      20    20      10     5
Rain shwrs                           C  C  S    S  S
Snowshwrs      C    C  S  S  S    C  C          S  S

$$
MTZ008-182300-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
319 AM MDT Wed Oct 18 2017

Date             Wed 10/18/17            Thu 10/19/17            Fri 10/20/17
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                      66          37          68          40          49
Temp             38 40 58 66 61 49 44 41 39 39 60 68 62 49 45 43 40 41 46 46 41
Dewpt            26 25 25 29 30 32 31 28 28 25 26 24 28 26 29 28 28 31 31 26 23
RH               62 55 28 25 31 52 60 59 64 57 27 19 27 40 53 55 62 67 55 45 48
Wind dir          S  S SW SW SW  S  S  S  S  S  S  S  S  S  S  S  S SW  W  W  W
Wind spd         17 16 13 20 16 13 11 10  9  9 16 23 19 16 11 11 10 12 14 17 13
Clouds           SC SC B1 B1 B1 FW FW FW CL CL CL CL FW FW FW SC B1 B2 OV OV B2
PoP 12hr                      0           0           0           5          50
QPF 12hr                      0           0           0           0        0.05
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                        C  C  C  C  C
Snowshwrs                                                                     C


Date               Sat 10/21/17  Sun 10/22/17  Mon 10/23/17  Tue 10/24/17
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            26    48      37    58      40    57      34    58
Temp          29   26 43 48 39   40 56 55 43   41 56 54 39   35 54 56
Dewpt         22   20 19 28 30   29 36 35 35   32 33 33 31   28 34 31
PWind dir           W    SW       S    SW      SW    SW      SW    SW
Wind char          GN    GN      BZ    BZ      BZ    GN      GN    GN
Avg clouds    B2   B1 SC B1 B2   B2 B2 B2 B1   B1 B2 B1 B1   SC FW FW
PoP 12hr           30    20      30    30      20    10       5     5
Rain shwrs     C          S  S    C  S  C  S    S
Snowshwrs      C    S  S  S  S

$$
MTZ011-182300-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
319 AM MDT Wed Oct 18 2017

Date             Wed 10/18/17            Thu 10/19/17            Fri 10/20/17
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                      63          47          76          41          59
Temp             36 37 53 62 59 50 51 50 49 49 69 75 69 53 49 44 42 43 56 58 51
Dewpt            26 25 24 24 32 37 40 41 41 37 35 30 33 33 35 33 35 32 34 28 27
RH               67 61 32 23 36 61 66 71 74 63 28 19 26 46 58 65 76 65 43 32 39
Wind dir          S  S SW SW SW SW SW SW SW SW SW SW  S SE SE  S SW SW  W  W  W
Wind spd          6  6 11 17 13 13 16 18 24 23 16 14  8  9  3  5  6 13 25 29 19
Wind gust                                                              35 41
Clouds           SC B1 B1 SC B1 B2 B1 B2 SC FW FW FW SC SC SC SC B1 B1 B2 B2 B2
PoP 12hr                      0           5           0           0          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                                    S


Date               Sat 10/21/17  Sun 10/22/17  Mon 10/23/17  Tue 10/24/17
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            33    56      38    65      40    57      34    60
Temp          39   33 49 56 42   43 63 59 45   40 54 54 37   36 56 59
Dewpt         27   27 24 26 31   37 39 32 35   33 31 28 28   32 37 38
PWind dir           W     W      SW     W       W     W       W     W
Wind char          BZ    BZ      GN    WY      BZ    BZ      GN    GN
Avg clouds    B2   B1 SC FW SC   B2 B2 B1 B1   B1 SC SC B1   SC SC SC
PoP 12hr           20    10      20    20      20     5      10     5
Rain shwrs     S                  S  S  S  S

$$
MTZ051-182300-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
319 AM MDT Wed Oct 18 2017

Date             Wed 10/18/17            Thu 10/19/17            Fri 10/20/17
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                      65          46          75          44          57
Temp             43 44 59 65 61 50 49 49 48 51 71 74 65 53 50 48 44 46 56 52 42
Dewpt            28 27 27 25 29 34 35 34 29 28 27 25 30 29 27 27 25 29 29 30 28
RH               55 51 29 22 29 54 58 56 47 41 19 16 27 39 41 44 47 51 35 43 57
Wind dir         NW NW  W  W  W SW  S SW SW SW SW SW  S  S  S  S  S SW  W  W  W
Wind spd         18 16 12 18 14 16 16 16 16 14 16 14 12 13 16 13 12 12 18 23 16
Clouds           B1 B1 B1 B1 B1 B1 B2 SC FW FW FW FW FW FW SC FW B1 B1 B2 B2 B2
PoP 12hr                      0           5           0           0          40
QPF 12hr                      0           0           0           0        0.03
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                              C  C  S
High Wind


Date               Sat 10/21/17  Sun 10/22/17  Mon 10/23/17  Tue 10/24/17
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    51      39    61      40    55      37    60
Temp          36   32 47 50 43   48 59 56 44   40 52 52 39   39 59 57
Dewpt         26   22 17 27 32   35 34 37 36   32 30 34 31   32 33 36
PWind dir           W     W      SW     W       W     W       W     W
Wind char          BZ    BZ      BZ    WY      BZ    BZ      GN    GN
Avg clouds    B2   SC SC FW SC   B2 B2 B2 B1   SC SC B1 B1   SC FW FW
PoP 12hr           20    10      20    20      20    10      10     5
Rain shwrs     S                  S  S  S  S
Snowshwrs      S

$$
weather.gov/greatfalls



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