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Point Forecast Matrices
National Weather Service Great Falls MT
321 AM MDT Sun Oct 22 2017

MTZ012-222300-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
321 AM MDT Sun Oct 22 2017

Date             Sun 10/22/17            Mon 10/23/17            Tue 10/24/17
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                      58          40          57          39          67
Temp             54 55 58 57 50 45 43 42 40 41 54 57 52 42 40 39 40 44 61 66 62
Dewpt            40 41 34 27 23 26 27 28 28 28 26 22 25 27 28 28 28 30 30 27 31
RH               59 59 40 31 34 47 53 57 62 59 34 25 35 55 62 64 62 57 31 23 31
Wind dir         SW SW SW  W  W  W  W  W  W SW  W  W  W SW SW SW SW SW SW SW SW
Wind spd         26 28 35 39 29 24 20 18 17 16 17 16 12 11 12 14 14 16 18 18 14
Wind gust        36 40 49 55 41                                           28
Clouds           B1 B2 B1 FW SC SC FW FW FW FW FW FW SC SC SC SC FW FW FW FW FW
PoP 12hr                     20          10           0           0           0
QPF 12hr                   0.01           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        S  S  S  S
High Wind         W  W  W  W  W  W


Date               Wed 10/25/17  Thu 10/26/17  Fri 10/27/17  Sat 10/28/17
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            47    66      30    41      25    49      35    55
Temp          49   48 66 55 41   30 37 40 29   26 47 46 41   36 54 51
Dewpt         34   30 31 34 31   23 19 21 18   16 21 23 27   26 31 30
PWind dir          SW    SW      NW    NW      SW    SW      SW    SW
Wind char          BZ    BZ      BZ    GN      GN    GN      GN    GN
Avg clouds    FW   FW SC B1 OV   OV B2 B1 B1   B1 SC B1 B1   B2 B1 B1
PoP 12hr            0    40      80    30       5     5      10    10
Rain                      C  D
Snow                              C  C

$$
MTZ010-222300-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
321 AM MDT Sun Oct 22 2017

Date             Sun 10/22/17            Mon 10/23/17            Tue 10/24/17
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                      55          37          54          36          64
Temp             45 47 55 52 46 42 41 39 38 38 50 54 48 38 37 36 39 41 60 63 58
Dewpt            34 36 34 25 24 26 26 25 25 26 25 24 25 26 27 26 30 32 33 29 32
RH               65 65 45 35 42 53 55 57 59 62 37 31 40 62 67 67 70 70 36 27 37
Wind dir         SW SW  W  W  W  W  W  W  W  W  W  W  W  W  W  W  W  W  W  W  W
Wind spd         20 29 41 42 34 27 25 21 20 19 19 18 17 14 13 16 17 18 19 21 21
Wind gust           41 57 59 48 39 35    32                   26 28       32
Clouds           B2 B2 SC CL FW CL CL SC FW FW FW FW SC SC SC SC SC FW FW FW FW
PoP 12hr                     20           5           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        S
High Wind         W  W  W  W  W  W


Date               Wed 10/25/17  Thu 10/26/17  Fri 10/27/17  Sat 10/28/17
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    60      26    41      23    50      34    54
Temp          44   44 59 51 34   26 34 41 30   24 48 48 40   35 53 48
Dewpt         34   35 31 35 29   21 17 19 20   18 26 24 29   28 31 27
PWind dir           W     W      NW    NW       S    SW       W     W
Wind char          BZ    WY      WY    GN      GN    GN      GN    GN
Avg clouds    FW   SC B1 B2 OV   B2 SC SC B1   SC SC B1 B1   B1 SC SC
PoP 12hr            0    50      70    10       5     5      10     5
Rain                      C  L
Snow                         L    C

$$
MTZ014-222300-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
321 AM MDT Sun Oct 22 2017

Date             Sun 10/22/17            Mon 10/23/17            Tue 10/24/17
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          40          57          35          65
Temp             43 48 58 58 54 48 44 43 42 41 51 57 53 45 40 38 36 37 56 64 61
Dewpt            30 35 37 33 31 30 29 30 31 31 29 27 26 28 27 27 28 28 30 28 31
RH               60 60 45 39 41 49 55 60 65 67 42 31 35 51 59 64 72 70 37 25 32
Wind dir         SW SW  W  W  W  W  W  W  W  W  W  W  W  W SW SW  S SW SW  W SW
Wind spd         10  9 21 29 24 17 18 14 11  8 12 11  8  6  5  4  3  3  6 10  8
Wind gust                 41
Clouds           OV OV OV B1 SC SC SC B1 SC SC SC FW SC SC SC SC FW FW FW FW FW
PoP 12hr                     30          20           0           0           0
QPF 12hr                   0.04           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        S  C  C  C  S
High Wind         W  W  W  W  W  W


Date               Wed 10/25/17  Thu 10/26/17  Fri 10/27/17  Sat 10/28/17
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            38    66      33    44      25    50      32    55
Temp          45   38 63 61 45   33 38 44 31   26 49 47 39   32 52 53
Dewpt         32   29 30 34 37   27 22 23 26   20 25 24 29   27 34 32
PWind dir          SW    SW      NW    NW       W    SW      SW    SW
Wind char          LT    GN      GN    LT      LT    LT      LT    LT
Avg clouds    FW   FW SC SC OV   B2 B1 B1 SC   SC SC B1 B1   B1 SC SC
PoP 12hr            0     5      60    20       5     5      10    10
Rain                         L    C
Snow                              C  S

$$
MTZ055-222300-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
321 AM MDT Sun Oct 22 2017

Date             Sun 10/22/17            Mon 10/23/17            Tue 10/24/17
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                      61          35          57          31          64
Temp             43 48 58 61 53 44 39 36 37 36 50 57 52 39 36 32 31 35 56 64 57
Dewpt            30 35 33 34 31 30 27 27 29 29 27 24 27 26 26 25 25 28 33 29 34
RH               60 60 39 36 43 57 62 69 72 75 41 28 38 59 67 75 78 75 42 27 42
Wind dir         SW SW SW  W  W  W  W SW  W  W  W  W  W  S  S  S  S  S  W  W SW
Wind spd         12 12 26 29 27 17 12  9  6  5  9 10  5  5  4  4  3  3  4  6  4
Wind gust              36 41 39
Clouds           OV B2 B2 B2 B2 B1 B1 B1 B1 SC SC FW SC SC SC FW FW FW FW FW FW
PoP 12hr                     30          20           5           0           0
QPF 12hr                   0.02           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        S  S  C  C  S


Date               Wed 10/25/17  Thu 10/26/17  Fri 10/27/17  Sat 10/28/17
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    66      32    45      22    49      29    53
Temp          40   34 61 63 42   32 40 42 28   23 48 46 35   30 51 50
Dewpt         31   29 35 33 36   26 22 22 21   17 20 22 26   24 30 31
PWind dir           S    SW      NW     W       E    SW      SW    SW
Wind char          LT    GN      GN    LT      LT    LT      LT    LT
Avg clouds    FW   FW FW SC B2   OV B2 B1 SC   SC SC SC B1   B1 B1 SC
PoP 12hr            0     0      50    30       5     5      10    10
Rain                         C    C
Snow                              C  C

$$
MTZ055-222300-
West Yellowstone-Gallatin MT
44.66N 111.11W Elev. 6700 ft
321 AM MDT Sun Oct 22 2017

Date             Sun 10/22/17            Mon 10/23/17            Tue 10/24/17
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                      42          27          46          23          53
Temp             28 30 39 42 42 38 34 32 27 29 40 46 43 32 29 25 23 27 45 52 48
Dewpt            27 28 31 31 34 32 30 29 25 26 25 24 28 23 23 22 21 23 29 30 35
RH               96 92 73 65 73 79 85 88 92 88 55 42 55 69 78 88 92 85 53 43 60
Wind dir         SW SW SW SW SW  W SW  W  W SW  W  W  W  W SW  S  S  S SW SW SW
Wind spd         11 13 20 20 17 13 10  5  4  3  6 10  5  3  2  1  2  1  4  6  6
Clouds           OV OV OV OV OV B2 B2 B1 SC SC SC FW SC FW FW FW FW FW FW FW FW
PoP 12hr                     70          60           5           0           0
QPF 12hr                   0.16        0.02           0           0           0
Snow 12hr                     T       00-00       00-00
Rain shwrs              L  L  L  C  C
Snowshwrs         L  L              C  S


Date               Wed 10/25/17  Thu 10/26/17  Fri 10/27/17  Sat 10/28/17
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            24    51      24    39      19    42      21    45
Temp          31   24 47 48 34   24 36 37 24   20 40 40 28   22 42 43
Dewpt         26   22 29 34 30   22 21 19 19   15 16 23 21   19 25 28
PWind dir           S    SW      SW     N      NE     N       N    NW
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW   FW FW FW B1   OV B1 SC SC   SC SC SC SC   SC SC SC
PoP 12hr            0     0      50    20       5     0       5     5
Rain                         C    C
Snow                              C  S

$$
MTZ008-222300-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
321 AM MDT Sun Oct 22 2017

Date             Sun 10/22/17            Mon 10/23/17            Tue 10/24/17
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                      57          33          55          31          62
Temp             41 44 55 56 49 42 39 36 35 34 47 55 51 38 34 33 32 33 53 62 56
Dewpt            29 31 34 33 30 28 28 26 26 26 26 24 24 22 22 23 24 24 28 28 30
RH               62 60 45 42 48 57 64 67 69 72 43 30 34 52 61 66 72 69 38 27 37
Wind dir          S  S SW  W  W  W  W  S SW SW  W  W  W SW SW  S  S  S SW SW SW
Wind spd         18 20 32 33 27 16 11 10 10  8  9  8  6  6  6  8  8  6  6  6  8
Wind gust              44 47 39
Clouds           B2 B1 B2 B1 B1 SC SC SC SC SC SC FW SC SC FW FW FW FW FW FW FW
PoP 12hr                     20          10           0           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        S  S  S  S


Date               Wed 10/25/17  Thu 10/26/17  Fri 10/27/17  Sat 10/28/17
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    63      30    45      23    49      30    53
Temp          39   35 57 61 42   30 40 43 29   24 46 48 36   31 50 51
Dewpt         30   28 32 32 34   21 26 22 19   15 21 23 24   22 28 26
PWind dir           S    SW      SW     E       E     S      SW    SW
Wind char          GN    GN      GN    GN      GN    LT      LT    LT
Avg clouds    FW   FW FW FW B2   OV B1 B1 SC   SC SC SC SC   SC SC SC
PoP 12hr            0     0      50    20       5     5       5     5
Rain                         C    C
Snow                              C  S

$$
MTZ011-222300-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
321 AM MDT Sun Oct 22 2017

Date             Sun 10/22/17            Mon 10/23/17            Tue 10/24/17
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                      61          37          58          32          65
Temp             46 49 59 60 53 47 42 40 38 39 53 58 52 38 36 32 33 37 55 64 61
Dewpt            37 38 37 29 22 28 29 30 29 29 27 23 23 22 25 25 27 29 34 33 33
RH               71 66 44 31 29 47 60 67 70 67 36 26 32 52 64 75 78 72 45 31 35
Wind dir         SW SW  W  W  W  W  W  W  W  W  W NW  W SW SW SW SW SW  W  W  W
Wind spd         16 21 39 39 33 27 23 19 16 16 20 18  9  5  8 10 10 13 17 17 12
Wind gust              55 55 47 39
Clouds           OV OV B1 FW SC SC SC SC SC FW FW FW FW FW SC SC FW FW FW FW FW
PoP 12hr                     30          10           0           0           0
QPF 12hr                   0.01           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        C  C  S
High Wind         W  W  W  W  W  W


Date               Wed 10/25/17  Thu 10/26/17  Fri 10/27/17  Sat 10/28/17
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            38    65      28    40      19    44      27    51
Temp          45   38 64 57 38   28 35 38 24   20 41 43 35   28 50 46
Dewpt         35   31 35 39 29   23 18 19 16   15 21 21 26   23 33 30
PWind dir          SW     W      NW    NW      NE     S      SW     W
Wind char          GN    BZ      BZ    GN      LT    LT      LT    GN
Avg clouds    FW   FW SC B1 OV   B2 B1 SC B1   B1 SC SC B1   B2 B1 B1
PoP 12hr            0    20      40    10       0     5      10    10
Rain                      S  C    C
Snow                              C

$$
MTZ051-222300-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
321 AM MDT Sun Oct 22 2017

Date             Sun 10/22/17            Mon 10/23/17            Tue 10/24/17
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          36          52          33          67
Temp             47 52 58 57 50 42 41 40 37 37 49 51 46 36 34 33 34 39 63 66 61
Dewpt            33 35 31 29 25 27 27 30 28 25 21 20 21 23 23 23 23 25 27 26 31
RH               58 52 36 34 37 55 57 67 70 61 33 29 37 59 64 66 64 57 25 22 32
Wind dir         SW SW  W  W  W  W  W  W  W  W NW NW NW  W SW SW SW SW  W  W  W
Wind spd         20 25 34 34 31 24 20 18 14 13 18 16 11  8  6  6  6  6 12 12 11
Wind gust           35 48 48 43             24 31 27
Clouds           OV B2 B2 B1 SC FW FW SC SC SC FW FW FW FW SC SC FW FW FW FW FW
PoP 12hr                     30          10           0           0           0
QPF 12hr                   0.01           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain shwrs        S  S  C  C
High Wind         W  W  W  W  W  W


Date               Wed 10/25/17  Thu 10/26/17  Fri 10/27/17  Sat 10/28/17
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    67      27    38      20    45      30    53
Temp          47   42 67 55 37   27 33 36 24   21 44 40 35   31 51 49
Dewpt         28   21 25 31 31   22 19 21 16   14 21 22 26   24 32 36
PWind dir          SW     W      NW    NW       W    SW      SW     W
Wind char          GN    BZ      BZ    GN      GN    LT      GN    GN
Avg clouds    FW   FW FW SC B2   OV B2 B1 SC   SC SC SC B1   B1 B1 B1
PoP 12hr            0    10      60    30       5     5      10    10
Rain                         L
Snow                         L    C  C

$$
weather.gov/greatfalls




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