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

MTZ012-181100-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
223 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                      45          62          51          74          45
Temp          71 65 57 51 47 45 46 57 62 60 56 57 54 54 51 68 73 68 56 52 48 46
Dewpt         24 29 33 33 30 31 33 33 28 31 37 39 34 35 32 34 30 33 30 32 29 33
RH            17 26 40 50 51 58 60 40 27 33 49 51 46 48 48 28 20 27 37 46 47 60
Wind dir      SW SW  W  W SW SW SW SW SW SW SW SW SW  S  S SW SW  S SW SW SW  W
Wind spd      32 28 27 18 12 12 12 20 25 18 14 19 19 18 16 21 24 16 12 13 10 11
Wind gust     48 40 39                39 28                33 35
Clouds        FW SC 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  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          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
223 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          56          44          67          39
Temp          66 59 50 43 39 37 39 50 56 54 51 49 46 46 45 64 66 61 51 43 40 39
Dewpt         24 28 33 25 24 25 27 24 27 33 40 41 40 39 37 35 29 33 35 33 34 35
RH            20 30 52 49 54 61 62 36 32 45 66 74 79 76 73 34 25 35 54 67 79 85
Wind dir      SW  W  W  W  W  W SW SW SW SW SW SW SW SW  S SW SW SW SW SW SW SW
Wind spd      37 42 34 20 14 11 11 16 24 20 18 19 17 19 14 23 24 17 13 11 11 14
Wind gust     58    49                35 35 34             36 37 27
Clouds        FW FW 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  W  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
223 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                      48          64          44          73          42
Temp          70 67 58 52 51 49 48 56 63 63 58 53 49 45 45 60 71 72 62 52 50 43
Dewpt         25 28 31 38 40 39 40 36 30 32 36 38 37 37 35 35 29 32 26 30 32 32
RH            18 23 36 59 66 68 74 47 29 31 44 57 63 73 68 39 21 23 25 43 50 65
Wind dir       W  W  W  W  W SW SW  S SW SW  S  S  S  S SE  S SW  S  S  S SW SW
Wind spd      14 12 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 FW FW SC B2 B1 B1 B1 B1 B2 B2 B1 SC FW FW FW CL FW FW SC SC B1
PoP 12hr                      0           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  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          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
223 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                      41          65          39          73          41
Temp          70 64 51 47 43 42 42 55 64 62 51 47 42 41 40 61 72 68 53 47 43 43
Dewpt         22 28 35 34 35 35 33 30 29 33 37 35 33 32 31 32 29 31 35 33 33 35
RH            16 25 54 60 73 76 70 38 27 33 59 63 70 70 70 33 20 25 50 58 67 73
Wind dir      SW SW SW SW SW  S SE  W  W SW  S  S  S  S  S SW SW  S  S  S  S  S
Wind spd      14 12 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 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
223 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                      29          51          28          58          31
Temp          53 49 39 34 32 29 32 45 51 49 39 34 31 28 32 50 57 54 43 35 34 31
Dewpt         20 20 24 25 27 25 25 25 26 30 26 27 26 24 23 23 24 29 25 26 30 29
RH            27 31 54 69 81 85 75 45 37 48 59 75 81 85 69 34 28 38 49 69 85 92
Wind dir      SW SW  S SW SW  S  S SW SW SW  S  S  S  S  S  S SW  S  S  S  S  S
Wind spd      12 10  6  5  3  3  3 11 16 11  5  5  4  4  3 10 18 11  6  8  8  8
Clouds        CL FW 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
223 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          63          38          68          40
Temp          67 60 49 44 41 40 40 55 63 59 49 44 42 39 40 58 68 62 50 44 44 40
Dewpt         22 23 27 28 29 29 28 28 30 30 34 33 30 28 28 28 27 27 28 29 30 30
RH            18 24 42 53 62 64 62 35 29 33 56 65 62 64 62 32 21 26 42 55 57 67
Wind dir      SW SW SW  S  S  S  S SW SW SW  S  S  S  S  S  S  S  S  S  S  S  S
Wind spd      17 16 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 SC 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
223 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          59          45          76          41
Temp          73 69 57 50 43 37 36 51 59 57 50 50 49 46 47 69 74 70 56 51 46 41
Dewpt         25 27 33 30 27 27 25 24 24 29 36 37 37 38 36 38 32 36 34 35 35 36
RH            17 21 40 46 53 67 64 34 26 34 58 61 63 73 65 32 21 29 43 54 65 82
Wind dir      SW  W  W  W  W  W SW  W SW SW SW SW SW SW SW SW SW  S SW SW SW SW
Wind spd      31 24 28 24 16  9  8 13 17 12 11 11 13  9 12 17 16  9  8  8  8  5
Wind gust     44    40                      23                26
Clouds        FW SC 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  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          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
223 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                      42          61          45          75          43
Temp          71 66 57 52 47 43 43 56 61 58 50 49 48 46 48 70 74 67 54 49 48 45
Dewpt         20 26 33 36 36 32 31 29 24 29 35 35 32 28 27 28 27 33 31 27 27 25
RH            14 22 40 54 65 65 62 35 24 33 56 58 54 49 44 21 17 28 41 42 44 45
Wind dir       W SW  W  W  W  W SW  W  W SW SW SW SW SW  S SW SW  S  S SW SW  S
Wind spd      20 17 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 SC 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  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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