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Point Forecast Matrices
National Weather Service Great Falls MT
355 AM MDT Tue Oct 17 2017

MTZ012-172300-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
355 AM MDT Tue Oct 17 2017

Date             Tue 10/17/17            Wed 10/18/17            Thu 10/19/17
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                      72          42          63          50          74
Temp             51 52 66 72 66 56 49 45 43 43 55 63 59 55 56 53 53 51 69 73 70
Dewpt            22 23 24 26 31 30 30 26 29 30 30 28 29 33 39 36 37 32 35 30 35
RH               32 32 20 18 27 37 48 47 57 60 38 26 32 43 53 52 54 48 28 20 27
Wind dir         SW SW SW SW SW  W  W SW SW SW SW SW SW SW SW SW  S  S SW SW SW
Wind spd         24 24 33 36 35 39 24 16 17 18 25 29 25 21 24 24 21 19 26 28 16
Wind gust           34 46 52 51 56                42          34       36 39
Clouds           SC FW FW FW B1 SC B2 B2 B2 B1 B2 B1 B2 B2 B1 B1 SC FW SC FW FW
PoP 12hr                      0           5           0           5           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
High Wind               W  W  W  W


Date               Fri 10/20/17  Sat 10/21/17  Sun 10/22/17  Mon 10/23/17
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            48    58      37    54      41    60      42    59
Temp          54   48 55 51 39   38 51 53 45   47 59 51 43   43 57 56
Dewpt         34   35 33 24 27   27 21 25 31   34 35 27 32   33 32 34
PWind dir          SW    SW      SW    SW      SW    SW      SW    SW
Wind char          GN    GN      BZ    BZ      BZ    WY      BZ    BZ
Avg clouds    FW   SC B1 B2 B1   B1 SC FW B1   B2 B1 B1 B1   B1 B1 B1
PoP 12hr            0    20      20     5       5    10      10    10
Rain shwrs                S  S

$$
MTZ010-172300-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
355 AM MDT Tue Oct 17 2017

Date             Tue 10/17/17            Wed 10/18/17            Thu 10/19/17
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          34          58          44          67
Temp             50 51 63 66 58 49 43 39 35 36 48 58 53 49 48 45 45 46 63 66 61
Dewpt            25 23 27 25 27 33 26 23 23 24 21 28 31 36 39 38 39 38 35 31 32
RH               37 33 25 21 30 54 51 52 61 61 34 32 43 61 71 76 79 73 35 27 33
Wind dir          W SW SW SW SW  W  W  W SW SW SW SW SW SW SW SW SW  S SW SW SW
Wind spd         32 34 39 44 47 41 26 18 23 24 29 35 37 33 36 33 33 26 32 33 18
Wind gust        44 47 54 63 67 58 36    33    42 50 52 46 51 47 46 36 44 47
Clouds           B2 B1 SC SC FW SC SC SC B1 B1 B1 B1 B2 B2 B1 B1 B1 SC SC SC SC
PoP 12hr                     10          10           0          10           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
High Wind         W  W  W  W  W  W


Date               Fri 10/20/17  Sat 10/21/17  Sun 10/22/17  Mon 10/23/17
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            40    55      33    51      36    57      37    56
Temp          44   41 52 51 38   34 50 47 39   38 56 50 40   38 54 53
Dewpt         33   36 32 28 29   28 27 25 30   33 37 27 31   33 33 34
PWind dir          SW    SW       W     W      SW     W       W     W
Wind char          GN    BZ      WY    BZ      BZ    WY      BZ    BZ
Avg clouds    SC   SC B1 B2 SC   SC SC FW B1   B2 B1 B1 B1   SC B1 B1
PoP 12hr            0    30      10     5       5    20      20    10
Rain shwrs                C                        S  S       S

$$
MTZ014-172300-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
355 AM MDT Tue Oct 17 2017

Date             Tue 10/17/17            Wed 10/18/17            Thu 10/19/17
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                      70          42          66          45          73
Temp             40 41 59 70 67 58 51 48 45 42 54 64 65 58 52 48 45 48 60 72 71
Dewpt            24 24 26 25 28 31 37 37 36 35 34 27 33 36 36 35 36 36 34 29 32
RH               52 50 28 18 23 36 59 65 70 76 46 24 30 44 54 60 70 63 37 20 24
Wind dir         SE SE  S SW SW  W  W  W  S  S  S SW SW SW  S  S  S  S  S  S  S
Wind spd          5  4  9 17 17 17 16  8  8  8 11 14 11  9  6  6  9 10 12 16  8
Clouds           CL CL FW FW FW FW B1 B1 B1 B1 B1 B1 B2 B2 B1 B1 FW FW FW FW FW
PoP 12hr                      0           5           5           5           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
High Wind               W  W  W  W


Date               Fri 10/20/17  Sat 10/21/17  Sun 10/22/17  Mon 10/23/17
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            44    56      35    54      40    60      42    60
Temp          53   44 51 53 40   35 48 54 45   41 57 58 45   43 55 60
Dewpt         31   33 36 27 29   27 24 28 32   34 39 34 37   36 36 37
PWind dir           S    SW      SW    SW      SW    SW      SW    SW
Wind char          LT    GN      GN    GN      GN    GN      GN    GN
Avg clouds    FW   SC B1 B2 B2   SC SC SC B1   B2 B1 B1 B1   B1 B1 B1
PoP 12hr            0    40      20     5      10    20      10    10
Rain shwrs             S  C  S                     S  S

$$
MTZ055-172300-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
355 AM MDT Tue Oct 17 2017

Date             Tue 10/17/17            Wed 10/18/17            Thu 10/19/17
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                      70          39          68          40          73
Temp             35 38 61 70 66 54 48 44 42 40 56 67 65 52 49 43 41 43 63 73 67
Dewpt            21 21 24 23 29 34 33 34 33 31 29 28 34 39 39 35 34 33 33 30 32
RH               56 50 24 17 25 46 56 68 70 70 35 23 31 61 68 73 76 67 32 20 27
Wind dir          S SW  W SW SW SW  W  S  E SE SW SW SW  S  S  S  S  S SW SW  S
Wind spd          4  5 10 18 18 13 12 12  8  5  8 14 11  9  8  8  8  6  9 17 10
Clouds           CL FW FW FW SC FW SC SC SC SC B1 B1 B1 B1 SC 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


Date               Fri 10/20/17  Sat 10/21/17  Sun 10/22/17  Mon 10/23/17
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            42    59      32    51      35    59      37    59
Temp          48   43 55 48 38   32 46 51 40   37 57 57 42   38 52 59
Dewpt         35   36 33 32 34   28 23 26 30   30 33 36 34   32 32 37
PWind dir           S    SW       W    SW      SW    SW      SW    SW
Wind char          GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    FW   SC SC B2 OV   B2 B1 SC B1   B1 B2 B1 B2   B1 B1 B1
PoP 12hr            0    50      40    10      10    20      10    10
Rain shwrs             C  C  C    C                S  S
Snowshwrs                         C

$$
MTZ055-172300-
West Yellowstone-Gallatin MT
44.66N 111.11W Elev. 6700 ft
355 AM MDT Tue Oct 17 2017

Date             Tue 10/17/17            Wed 10/18/17            Thu 10/19/17
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          53          28          59
Temp             24 28 46 54 50 39 34 31 29 31 47 53 51 41 34 31 28 32 51 58 55
Dewpt            13 13 19 22 23 25 25 26 25 24 26 27 32 30 28 27 25 23 25 25 32
RH               62 53 34 28 34 57 69 81 85 75 43 36 48 65 78 85 88 69 36 28 41
Wind dir         SE SE SW SW SW SW SW SW  S  S SW SW SW  S  S  S  S  S  S SW  S
Wind spd          5  5 13 17 13 10  6  5  6  5 14 20 12  6  6  5  8  5 14 19 10
Clouds           CL FW FW FW FW FW FW FW FW SC SC SC SC SC FW FW FW CL FW CL FW
PoP 12hr                      0           0           0           5           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date               Fri 10/20/17  Sat 10/21/17  Sun 10/22/17  Mon 10/23/17
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            31    48      25    38      25    45      27    48
Temp          37   31 46 42 31   25 35 38 30   26 42 44 33   27 44 47
Dewpt         27   28 31 30 28   24 19 22 25   24 30 28 30   25 31 33
PWind dir           S     S      SW    SW      SW    SW      SW    SW
Wind char          GN    GN      GN    GN      GN    GN      GN    LT
Avg clouds    FW   FW SC B2 OV   B2 B1 SC B1   B1 B2 B2 B1   SC SC B1
PoP 12hr            0    50      50    10      20    30      20    10
Rain shwrs             C  C  C                     C  C  S
Snowshwrs                 C  C    C        S    S  C

$$
MTZ008-172300-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
355 AM MDT Tue Oct 17 2017

Date             Tue 10/17/17            Wed 10/18/17            Thu 10/19/17
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          37          64          38          68
Temp             37 37 58 67 62 49 44 41 39 39 55 64 60 48 44 41 39 40 60 68 62
Dewpt            20 18 22 25 27 28 28 28 29 27 27 28 32 33 33 29 29 27 30 25 28
RH               50 46 25 20 26 44 53 59 67 62 34 25 35 56 65 62 67 59 32 20 27
Wind dir          S  S SW SW SW SW SW  S  S  S SW SW SW  S  S  S  S  S  S  S  S
Wind spd         11 10 12 23 18 14 12 11 10 10 13 19 14 12 10 11 10 10 13 18 12
Clouds           CL FW FW FW SC FW FW SC SC SC SC B1 B1 B1 SC SC FW FW FW FW FW
PoP 12hr                      0           0           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00


Date               Fri 10/20/17  Sat 10/21/17  Sun 10/22/17  Mon 10/23/17
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            41    54      29    48      34    55      35    57
Temp          45   41 51 45 34   29 43 48 38   36 54 51 39   36 52 56
Dewpt         31   30 33 24 25   22 18 25 28   26 33 31 30   28 35 33
PWind dir           S    SW       W    SW       S    SW      SW    SW
Wind char          GN    GN      GN    GN      GN    BZ      GN    GN
Avg clouds    FW   FW B1 B2 B2   B1 SC SC B2   B2 B1 B1 B1   SC B1 B1
PoP 12hr            5    40      30    10      20    20      10    10
Rain shwrs             S  C  C             S    S  S  S
Snowshwrs                    C    C

$$
MTZ011-172300-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
355 AM MDT Tue Oct 17 2017

Date             Tue 10/17/17            Wed 10/18/17            Thu 10/19/17
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                      73          36          61          44          75
Temp             49 51 66 73 68 58 49 43 38 37 50 59 60 49 49 45 44 48 68 74 69
Dewpt            29 28 28 26 30 36 32 30 29 27 23 24 32 35 37 36 38 37 39 32 35
RH               46 41 24 17 24 44 52 60 70 67 34 26 35 58 63 70 79 65 34 21 28
Wind dir         SW SW SW SW SW  W  W  W  W SW SW SW SW SW SW SW SW SW SW SW  S
Wind spd         16 19 31 33 29 39 29 21 17 17 19 23 16 16 16 18 12 16 20 19 10
Wind gust              42 47 42 56 42
Clouds           FW FW FW FW B1 B1 SC SC SC SC SC SC B2 B2 B1 B1 B1 SC SC FW FW
PoP 12hr                      0           5           0           5           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
High Wind               W  W  W  W


Date               Fri 10/20/17  Sat 10/21/17  Sun 10/22/17  Mon 10/23/17
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            43    61      34    56      35    62      39    60
Temp          52   43 58 57 41   35 53 53 38   40 61 58 46   39 57 58
Dewpt         38   38 37 28 29   30 30 22 27   35 42 31 36   35 35 37
PWind dir          SW    SW       W     W      SW     W       W     W
Wind char          GN    GN      BZ    BZ      GN    BZ      BZ    GN
Avg clouds    FW   SC B1 B2 B1   SC SC FW FW   B2 B2 B1 B1   B1 B1 SC
PoP 12hr            0    20      10     5       5    10       5     5
Rain shwrs                S

$$
MTZ051-172300-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
355 AM MDT Tue Oct 17 2017

Date             Tue 10/17/17            Wed 10/18/17            Thu 10/19/17
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                      71          38          63          45          75
Temp             47 49 67 70 65 56 51 44 40 40 54 62 60 51 50 47 45 50 71 74 68
Dewpt            24 25 21 22 29 34 37 34 29 27 24 24 29 34 35 33 27 28 28 28 34
RH               40 39 17 16 26 43 59 68 64 59 31 23 31 52 56 58 49 42 20 18 28
Wind dir         SW SW SW SW SW  W  W  W SW SW  W  W  W SW SW SW SW  S SW SW  S
Wind spd         12 10 25 28 21 23 34 24 12 11 16 18 13 11 14 13 13 13 16 17 12
Wind gust              35 42 33 34 48
Clouds           CL CL FW SC B1 FW B1 SC SC SC B1 SC B1 B2 B1 B1 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
High Wind               W  W  W  W  W  W


Date               Fri 10/20/17  Sat 10/21/17  Sun 10/22/17  Mon 10/23/17
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            44    61      34    51      37    59      39    58
Temp          50   44 59 49 39   34 49 49 39   42 57 54 43   39 55 56
Dewpt         31   27 31 33 29   24 19 26 30   32 32 37 36   31 32 40
PWind dir           S    SW       W     W      SW     W       W     W
Wind char          GN    GN      GN    BZ      GN    BZ      BZ    GN
Avg clouds    FW   SC SC B2 B2   B1 SC FW FW   B1 B1 B1 B1   SC B1 B1
PoP 12hr            0    20      20     5       5    10      10    10
Rain shwrs                S  S

$$
weather.gov/greatfalls




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