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Point Forecast Matrices
National Weather Service Great Falls MT
834 PM MDT Tue Oct 17 2017

MTZ012-181100-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
834 PM MDT Tue Oct 17 2017

Date           10/17/17      Wed 10/18/17            Thu 10/19/17            Fri
MDT 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
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                      44          64          51          74          45
Temp                59 52 47 45 45 57 64 61 55 57 54 54 52 68 74 68 56 52 48 46
Dewpt               31 32 28 30 30 32 28 32 37 40 34 35 31 34 30 33 30 32 29 33
RH                  34 46 47 55 55 38 25 33 51 53 46 48 44 28 20 27 37 46 47 60
Wind dir             W  W SW SW SW SW SW SW SW SW SW  S  S SW SW  S SW SW SW  W
Wind spd            27 18 12 12 12 20 25 18 14 19 19 18 16 21 24 16 12 13 10 11
Wind gust           39                39 28                33 35
Clouds              FW SC B2 B2 OV B2 B2 B2 B2 B2 B1 SC FW SC FW SC FW SC B1 B2
PoP 12hr                      0           5           5           0           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
High Wind            W


Date           10/20/17  Sat 10/21/17  Sun 10/22/17  Mon 10/23/17  Tue 10/24/17
MDT 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          56      35    53      42    58      41    57      42    62
Temp          51 47 39   36 50 52 47   45 57 50 41   43 56 54 43   44 60 59
Dewpt         32 23 26   22 19 25 34   31 34 24 29   32 31 30 32   35 36 32
PWind dir         W      SW    SW      SW    SW       W     W      SW    SW
Wind char        BZ      BZ    BZ      BZ    WY      WY    BZ      BZ    BZ
Avg clouds    B2 B2 B1   B1 B1 SC SC   B2 B1 B1 B1   B1 B1 B1 B1   B1 SC FW
PoP 12hr         10      10    10      20    20      10    20      20    10
Rain shwrs                              S  S  S             S  S

$$
MTZ010-181100-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
834 PM MDT Tue Oct 17 2017

Date           10/17/17      Wed 10/18/17            Thu 10/19/17            Fri
MDT 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
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                      36          58          44          67          39
Temp                51 44 38 36 38 51 58 55 51 50 47 47 45 63 67 61 51 43 40 39
Dewpt               29 25 21 23 25 25 27 36 42 44 41 41 36 35 30 33 35 33 34 35
RH                  42 47 50 59 59 36 30 49 71 80 79 79 70 35 25 35 54 67 79 85
Wind dir             W  W  W  W SW SW SW SW SW SW SW SW  S SW SW SW SW SW SW SW
Wind spd            34 20 14 11 11 16 24 20 18 19 17 19 14 23 24 17 13 11 11 14
Wind gust           49                35 35 34             36 37 27
Clouds              FW FW B2 B2 OV B2 B2 B2 B2 B1 B1 B1 SC SC SC B1 B1 B1 B1 B1
PoP 12hr                      5           5          10           0           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
High Wind            W                       A  A  A  A


Date           10/20/17  Sat 10/21/17  Sun 10/22/17  Mon 10/23/17  Tue 10/24/17
MDT 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          54      32    50      35    54      35    54      36    58
Temp          51 46 36   33 48 47 38   38 53 48 37   36 53 49 40   37 57 53
Dewpt         31 25 26   26 23 24 30   33 33 24 28   30 32 28 32   31 36 31
PWind dir         W       W     W      SW     W       W     W       W     W
Wind char        BZ      WY    WY      BZ    VW      WY    WY      WY    BZ
Avg clouds    B1 B1 SC   SC SC FW B1   B2 B1 B1 B1   SC B1 B1 B1   SC SC SC
PoP 12hr         10      10     5      30    30      20    20      20    10
Rain shwrs                         S    C  C  S  S          S  S

$$
MTZ014-181100-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
834 PM MDT Tue Oct 17 2017

Date           10/17/17      Wed 10/18/17            Thu 10/19/17            Fri
MDT 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
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                      44          66          44          73          42
Temp                59 51 48 46 45 55 65 64 58 52 49 45 46 62 72 72 62 52 50 43
Dewpt               27 35 36 36 37 33 29 33 36 36 37 37 36 37 29 32 26 30 32 32
RH                  29 54 63 68 73 43 26 31 44 54 63 73 68 39 20 23 25 43 50 65
Wind dir             W  W  W SW SW  S SW SW  S  S  S  S SE  S SW  S  S  S SW SW
Wind spd            13 12  6  4  4  6 10  8  6  6  6  5  8 10 13  9  8  5  5  3
Wind gust                                                     25
Clouds              FW SC B2 B1 B1 B1 B1 B2 B2 B1 SC FW FW FW CL FW FW SC SC B1
PoP 12hr                      5           0           5           0           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                                    C
High Wind            W


Date           10/20/17  Sat 10/21/17  Sun 10/22/17  Mon 10/23/17  Tue 10/24/17
MDT 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          54      34    54      41    59      41    58      40    61
Temp          46 49 40   34 47 54 48   42 57 57 42   43 52 58 45   41 57 60
Dewpt         34 27 30   26 23 27 35   33 37 35 34   36 35 37 36   34 37 35
PWind dir         W      SW    SW       S    SW       W    SW      SW    SW
Wind char        GN      GN    GN      GN    BZ      GN    GN      GN    GN
Avg clouds    B2 B2 B1   SC SC SC B1   B2 B1 B1 B1   B1 B1 B2 B2   B1 SC SC
PoP 12hr         30      10    10      20    20      10    20      20    10
Rain shwrs     C  C                     S  S  S          S  S  S

$$
MTZ055-181100-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
834 PM MDT Tue Oct 17 2017

Date           10/17/17      Wed 10/18/17            Thu 10/19/17            Fri
MDT 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
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                      39          67          39          73          41
Temp                55 48 42 40 41 56 66 64 49 46 42 41 41 63 73 68 53 47 43 43
Dewpt               32 34 32 32 32 29 27 33 35 34 32 33 31 32 28 31 35 33 33 35
RH                  41 58 67 73 70 35 23 31 58 63 67 73 67 31 19 25 50 58 67 73
Wind dir            SW SW SW  S SE  W  W SW  S  S  S  S  S SW SW  S  S  S  S  S
Wind spd            11  9  6  5  3  4 13 11  9  6  5  5  5  6 16 10  9  8  6  5
Wind gust                             24                      27
Clouds              FW FW FW SC B1 B1 B1 B1 B1 SC FW FW FW FW CL FW FW FW FW B1
PoP 12hr                      0           5           5           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                                    C


Date           10/20/17  Sat 10/21/17  Sun 10/22/17  Mon 10/23/17  Tue 10/24/17
MDT 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          56      31    51      37    59      37    59      36    59
Temp          49 46 36   31 48 51 43   39 57 57 41   38 54 58 40   37 56 58
Dewpt         34 30 31   27 27 28 34   34 33 38 35   33 34 36 34   32 35 35
PWind dir        SW       W    SW      SW    SW       W    SW      SW    SW
Wind char        LT      GN    GN      GN    BZ      BZ    GN      GN    GN
Avg clouds    B1 B2 OV   B2 B1 SC B1   B2 B2 B1 B1   B1 B1 B2 B2   B1 SC SC
PoP 12hr         50      40    20      20    20      10    20      20    10
Rain shwrs     C  C  C    S  S          S  S  S          S     S
Snowshwrs                 S  S

$$
MTZ055-181100-
West Yellowstone-Gallatin MT
44.66N 111.11W Elev. 6700 ft
834 PM MDT Tue Oct 17 2017

Date           10/17/17      Wed 10/18/17            Thu 10/19/17            Fri
MDT 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
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          53          28          58          31
Temp                41 34 29 25 29 46 53 50 39 35 31 28 32 51 58 54 43 35 34 31
Dewpt               21 23 24 21 21 25 26 30 26 27 26 24 22 23 25 29 25 26 30 29
RH                  44 64 81 84 72 43 35 46 59 72 81 85 66 33 28 38 49 69 85 92
Wind dir             S SW SW  S  S SW SW SW  S  S  S  S  S  S SW  S  S  S  S  S
Wind spd             6  5  3  3  3 11 16 11  5  5  4  4  3 10 18 11  6  8  8  8
Clouds              FW CL FW FW FW FW SC SC FW FW FW FW CL FW CL FW FW FW FW SC
PoP 12hr                      0           0           5           0          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                                    C


Date           10/20/17  Sat 10/21/17  Sun 10/22/17  Mon 10/23/17  Tue 10/24/17
MDT 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          48      22    37      27    45      28    46      27    48
Temp          44 41 30   22 34 37 31   28 42 44 32   29 42 45 31   28 43 47
Dewpt         34 25 25   21 18 22 26   26 30 28 29   27 30 32 29   26 30 35
PWind dir        SW      SW    SW      SW    SW      SW    SW      SW    SW
Wind char        GN      GN    GN      BZ    BZ      GN    GN      GN    GN
Avg clouds    B1 B2 OV   B2 B2 SC B1   B2 B2 B2 B1   B1 B1 B2 B1   SC SC SC
PoP 12hr         50      40    20      30    40      20    20      20    10
Rain shwrs     C  C                        C  C  S       S  S  S    S
Snowshwrs         C  C    S  S     S    C  C

$$
MTZ008-181100-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
834 PM MDT Tue Oct 17 2017

Date           10/17/17      Wed 10/18/17            Thu 10/19/17            Fri
MDT 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
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                      37          64          38          68          40
Temp                50 43 41 38 39 56 64 60 49 44 41 39 41 60 68 62 50 44 44 40
Dewpt               27 28 28 28 26 27 28 29 34 33 30 29 28 29 27 27 28 29 30 30
RH                  41 55 59 67 59 32 25 31 56 65 65 67 59 31 21 26 42 55 57 67
Wind dir            SW  S  S  S  S SW SW SW  S  S  S  S  S  S  S  S  S  S  S  S
Wind spd            11 10 10  8  9 10 16 14 12  9  9  9  9 11 17 13 11 10 10  8
Wind gust                             28                      31
Clouds              FW FW SC B1 B1 B1 B1 B1 SC FW FW FW CL FW CL FW FW FW SC B1
PoP 12hr                      0           0           0           0          10
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                                                                    C


Date           10/20/17  Sat 10/21/17  Sun 10/22/17  Mon 10/23/17  Tue 10/24/17
MDT 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          52      27    48      35    55      36    55      34    58
Temp          45 42 31   27 42 48 39   37 53 54 39   37 52 53 37   35 53 57
Dewpt         31 23 24   20 18 25 29   27 33 33 30   29 32 32 29   27 32 31
PWind dir        SW       W    SW       S    SW      SW    SW      SW    SW
Wind char        GN      GN    GN      BZ    BZ      BZ    GN      GN    GN
Avg clouds    B1 B2 B2   B1 SC SC B1   B2 B1 B1 B1   SC B1 B1 B1   SC FW SC
PoP 12hr         40      20    10      20    20      10    20      10     5
Rain shwrs     C  C  S                  S  S  S          S
Snowshwrs            S    S

$$
MTZ011-181100-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
834 PM MDT Tue Oct 17 2017

Date           10/17/17      Wed 10/18/17            Thu 10/19/17            Fri
MDT 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
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                      35          61          45          76          41
Temp                60 51 42 37 37 52 60 59 50 52 50 48 47 69 76 70 56 51 46 41
Dewpt               32 31 26 27 26 24 23 31 35 39 39 40 35 38 33 36 34 35 35 36
RH                  35 46 53 67 64 33 24 34 56 61 66 74 63 32 21 29 43 54 65 82
Wind dir             W  W  W  W SW  W SW SW SW SW SW SW SW SW SW  S SW SW SW SW
Wind spd            28 24 16  9  8 13 17 12 11 11 13  9 12 17 16  9  8  8  8  5
Wind gust           40                      23                26
Clouds              B1 FW SC SC FW SC SC B2 B2 B2 B1 B1 FW SC FW SC SC SC SC B2
PoP 12hr                      0           0           5           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
High Wind            W


Date           10/20/17  Sat 10/21/17  Sun 10/22/17  Mon 10/23/17  Tue 10/24/17
MDT 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          60      32    55      35    60      35    57      35    60
Temp          56 53 39   32 50 54 39   39 59 56 42   35 53 55 41   36 58 57
Dewpt         37 28 27   27 26 22 27   32 37 28 30   30 32 32 32   32 38 35
PWind dir         W       W     W      SW     W       W     W       W     W
Wind char        GN      BZ    BZ      GN    WY      BZ    BZ      GN    BZ
Avg clouds    B2 B2 B1   SC SC FW FW   B2 B2 B2 B1   SC B1 SC B1   SC SC SC
PoP 12hr         10      10     5      10    20      10    10      10    10
Rain shwrs                                 S  S

$$
MTZ051-181100-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
834 PM MDT Tue Oct 17 2017

Date           10/17/17      Wed 10/18/17            Thu 10/19/17            Fri
MDT 3hrly     15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06
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                      39          64          45          75          43
Temp                56 50 45 40 41 57 64 61 49 49 47 46 49 70 74 67 54 49 48 45
Dewpt               29 32 32 30 29 27 25 31 33 35 32 28 27 28 29 33 31 27 27 25
RH                  35 50 60 67 62 31 22 32 54 58 56 49 42 21 19 28 41 42 44 45
Wind dir             W  W  W  W SW  W  W SW SW SW SW SW  S SW SW  S  S SW SW  S
Wind spd            18 23 16  8  5 12 14 10  9 12 10 10 10 13 14 11 11 10  9  8
Wind gust                                                     25
Clouds              FW B1 SC B1 B1 B1 SC B1 B2 B1 B1 SC FW FW FW FW FW SC FW B1
PoP 12hr                      0           0           5           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
High Wind            W  W  W


Date           10/20/17  Sat 10/21/17  Sun 10/22/17  Mon 10/23/17  Tue 10/24/17
MDT 6hrly     12 18 00   06 12 18 00   06 12 18 00   06 12 18 00   06 12 18
UTC 6hrly     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

Max/Min          57      32    50      37    57      36    55      38    60
Temp          52 43 35   33 48 48 40   43 56 53 39   37 52 52 41   39 59 56
Dewpt         31 29 25   22 19 25 30   30 31 33 31   29 30 34 34   31 33 33
PWind dir         W       W     W      SW     W       W     W       W     W
Wind char        GN      BZ    BZ      BZ    WY      BZ    BZ      BZ    BZ
Avg clouds    B1 B2 B2   B1 SC FW FW   B1 B1 B1 B1   SC SC B1 B1   SC SC FW
PoP 12hr         20      10     5      20    10      10    10      20    10
Rain shwrs        S                     S                      S

$$
weather.gov/greatfalls



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