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Point Forecast Matrices
National Weather Service Great Falls MT
520 PM MDT Fri Sep 22 2017

MTZ012-231100-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
520 PM MDT Fri Sep 22 2017

Date           09/22/17      Sat 09/23/17            Sun 09/24/17            Mon
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                      31          51          32          55          36
Temp             39 37 34 33 31 34 44 50 50 43 37 35 32 37 49 54 54 45 41 37 36
Dewpt            32 34 33 32 31 33 36 36 33 34 34 31 30 33 36 36 33 32 32 30 29
RH               76 89 96 96100 96 73 58 52 70 89 85 92 85 61 50 45 60 70 75 75
Wind dir         NE  E  S SW  S SW  S SW  E SE  S SW SW SW SW NE  S SE  S  S SW
Wind spd          6  5  4  4  4  4  4  4  5  8  4  6  5  4  3  5  6  8  9  9  9
Clouds           OV OV B2 OV OV B2 B1 B1 SC FW FW FW FW FW FW FW SC FW FW FW FW
PoP 12hr                     90          10           5           5           5
QPF 12hr                   0.06           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain              D  L  S
Snow                 L  S


Date           09/25/17  Tue 09/26/17  Wed 09/27/17  Thu 09/28/17  Fri 09/29/17
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          61      43    61      42    64      42    66      43    68
Temp          56 60 46   44 57 60 48   42 59 63 48   43 61 65 49   44 64 67
Dewpt         38 39 38   37 42 40 41   39 45 42 41   38 42 40 40   37 40 42
PWind dir        SW      SW    SW       W     W      NE    NW      SE     S
Wind char        GN      GN    GN      GN    LT      LT    LT      GN    GN
Avg clouds    FW SC SC   B1 B2 B1 B1   SC SC SC SC   SC SC FW FW   FW FW FW
PoP 12hr          5      10    20      10    10       5     5       5     5
Rain shwrs                   S  S

$$
MTZ010-231100-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
520 PM MDT Fri Sep 22 2017

Date           09/22/17      Sat 09/23/17            Sun 09/24/17            Mon
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          53          29          58          35
Temp             40 36 32 32 29 33 46 52 51 42 37 34 29 37 53 58 56 46 41 37 35
Dewpt            32 30 29 32 29 31 33 32 31 31 32 31 27 31 32 31 31 30 31 32 31
RH               73 79 88100100 92 60 46 46 65 82 89 92 79 44 36 38 53 67 82 85
Wind dir         NE NE  W  W SW  S  S  S  S  S SW  W  W  W  S  S SW  S SW  W  W
Wind spd          5  4  3  3  3  4  9  8  9  6  6  6  5  4  6  6 10  9  9  9  8
Clouds           B2 B2 B2 B2 B2 B1 B1 B1 B1 FW FW FW FW FW FW FW SC SC SC FW SC
PoP 12hr                     20          10           5           5           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain              S  S
Snow              S  S


Date           09/25/17  Tue 09/26/17  Wed 09/27/17  Thu 09/28/17  Fri 09/29/17
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          62      41    63      40    64      39    67      39    69
Temp          57 59 46   42 60 61 46   41 60 63 47   40 61 66 48   40 65 66
Dewpt         35 37 36   38 41 40 38   38 42 40 36   37 40 37 37   35 40 37
PWind dir        SW       W    NW       W    NW       N    SW       S     S
Wind char        GN      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    SC SC B1   B1 B2 B1 B1   SC SC SC SC   SC SC FW FW   FW FW FW
PoP 12hr          5      10    20      10    10       5     5       5     0
Rain shwrs                   S  S

$$
MTZ014-231100-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
520 PM MDT Fri Sep 22 2017

Date           09/22/17      Sat 09/23/17            Sun 09/24/17            Mon
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                      31          52          32          55          34
Temp             40 36 34 33 31 34 42 49 51 41 36 34 32 35 46 53 54 43 40 35 34
Dewpt            33 34 33 32 31 33 36 35 31 32 30 29 29 32 37 35 34 33 31 28 28
RH               76 92 96 96100 96 79 58 46 70 79 82 88 89 71 50 46 67 70 75 78
Wind dir          N NW  W  W  W  W NW  N NE  W  W  W  W NW  N  N NW SW SW  S SW
Wind spd          8  6  5  4  3  2  3  2  4  4  2  3  2  1  3  4  6  5  4  4  4
Clouds           OV OV B2 OV B2 B2 B1 B1 SC FW SC FW SC SC SC SC SC FW FW FW FW
PoP 12hr                     90          30          10          10           5
QPF 12hr                   0.08        0.02           0           0           0
Snow 12hr                     T       00-00       00-00
Rain              D  L  C  C
Rain shwrs                    C
Snow              D  L  C  C
Snowshwrs                     C


Date           09/25/17  Tue 09/26/17  Wed 09/27/17  Thu 09/28/17  Fri 09/29/17
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      41    60      42    64      41    66      40    69
Temp          52 60 45   42 53 60 46   43 56 64 46   42 57 66 46   41 61 69
Dewpt         38 36 36   35 42 39 38   36 43 40 38   36 44 41 38   35 43 41
PWind dir        SW      SW    SW      SW    SW      NW    NW      NW     S
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    FW SC B1   B1 B2 B1 B1   SC SC SC SC   FW SC FW FW   FW FW FW
PoP 12hr          5      10    30      10    10       5     5       5     5
Rain shwrs                   C  S

$$
MTZ055-231100-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
520 PM MDT Fri Sep 22 2017

Date           09/22/17      Sat 09/23/17            Sun 09/24/17            Mon
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                      30          49          31          50          33
Temp             41 35 34 33 30 34 42 48 48 38 34 32 31 36 44 48 50 42 39 34 33
Dewpt            37 33 33 32 30 32 33 33 34 32 31 31 30 32 34 34 34 35 34 31 30
RH               85 92 96 96100 92 70 56 58 79 89 96 96 85 68 58 54 76 82 89 89
Wind dir          E  S  W  W SW  S  W NW  N SE  E SE  E  N NW  N NW SE  S  S  S
Wind spd          6  5  4  3  2  3  5  3  4  6  4  5  4  3  2  3  6  8  6  6  5
Clouds           B2 OV OV B2 B2 B2 SC B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B1 SC SC SC
PoP 12hr                     30          10          20          20          20
QPF 12hr                   0.05           0           0           0           0
Snow 12hr                     T       00-00       00-00
Rain              S  S  C  S
Rain shwrs                                      S  S  S  S  S  S  S  S
Snow                 S  C  S
Snowshwrs                                       S  S


Date           09/25/17  Tue 09/26/17  Wed 09/27/17  Thu 09/28/17  Fri 09/29/17
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          55      37    57      38    61      37    64      37    66
Temp          49 54 40   38 53 56 43   39 55 60 43   38 58 63 43   38 61 64
Dewpt         33 32 30   33 36 36 34   34 38 39 35   35 39 40 38   34 39 41
PWind dir        SW      SW    SW      SW    SW       W     E       E     S
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC SC   SC B1 B1 B1   SC SC SC SC   FW SC FW FW   FW FW FW
PoP 12hr         10      10    20      10    10       5     5       5     0
Rain shwrs                   S  S

$$
MTZ055-231100-
West Yellowstone-Gallatin MT
44.66N 111.11W Elev. 6700 ft
520 PM MDT Fri Sep 22 2017

Date           09/22/17      Sat 09/23/17            Sun 09/24/17            Mon
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          46          25          44          23
Temp             37 33 28 27 25 29 39 45 43 35 29 26 25 28 39 44 41 34 29 26 23
Dewpt            33 31 28 27 25 27 30 31 32 30 27 25 24 26 27 33 28 29 27 25 22
RH               85 92100100100 92 70 58 65 82 92 96 96 92 62 65 59 82 92 96 96
Wind dir         SW  S  S  S SE SE  N  N  N  N NE NE NE  N NE  N  N  N NE  N NE
Wind spd          5  3  3  3  2  2  3  3  8  5  3  2  2  4  5  9 10  6  4  4  4
Clouds           B2 B2 B2 B2 B2 B2 SC B1 B1 B1 B1 B2 B2 B2 B1 B2 B2 SC SC SC SC
PoP 12hr                     30          20          20          20          20
QPF 12hr                   0.04           0           0           0           0
Snow 12hr                     T       00-00       00-00
Rain              C  C  S  S
Rain shwrs                                S  S        S  S  S  S  S  S
Snow              C  C  S  S
Snowshwrs                                 S  S  S  S  S  S           S  S  S
Winter Weath      Y  Y


Date           09/25/17  Tue 09/26/17  Wed 09/27/17  Thu 09/28/17  Fri 09/29/17
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          47      23    49      26    54      26    56      26    57
Temp          40 46 28   24 43 48 31   27 47 53 35   27 50 54 33   27 52 55
Dewpt         26 29 25   22 29 31 28   25 30 32 31   25 33 34 30   25 33 35
PWind dir        NW      SW    SW       N    SE       N     E      NE     S
Wind char        LT      LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC SC B1   SC B1 B1 B1   SC SC SC SC   FW FW FW FW   FW FW FW
PoP 12hr         10       0    10       5     5       0     0       0     0

$$
MTZ008-231100-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
520 PM MDT Fri Sep 22 2017

Date           09/22/17      Sat 09/23/17            Sun 09/24/17            Mon
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                      27          46          26          47          27
Temp             36 31 31 29 27 30 38 45 45 35 31 27 26 31 40 46 46 35 32 29 27
Dewpt            31 29 30 29 27 29 31 29 29 27 27 25 25 29 31 30 30 27 26 24 22
RH               82 92 96100100 96 76 53 53 72 85 92 96 92 70 53 53 72 78 81 81
Wind dir          N NE NE NE SE SW  W  N  N  N  N  E  E NW  N  N  N NE  E SW  S
Wind spd          9  8  4  3  3  4  4  4  8  6  5  6  6  8  5  9 11  8  6  8  9
Clouds           B2 B2 OV OV B2 B2 SC B1 SC SC SC SC SC B1 SC SC SC SC SC FW FW
PoP 12hr                     40          10          10          10          10
QPF 12hr                   0.06           0           0           0           0
Snow 12hr                     T       00-00       00-00
Rain              C  C  C  S
Snow              C  C  C  S


Date           09/25/17  Tue 09/26/17  Wed 09/27/17  Thu 09/28/17  Fri 09/29/17
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      35    55      34    59      35    61      36    65
Temp          45 52 38   36 49 55 41   35 51 59 41   36 53 61 42   37 55 65
Dewpt         30 28 26   28 35 35 35   30 37 34 31   31 38 37 34   31 37 39
PWind dir        SW      SW    SW       W    SW       E    SW       E     S
Wind char        LT      GN    GN      GN    LT      GN    LT      GN    GN
Avg clouds    FW SC SC   SC B1 B1 B1   SC SC FW FW   FW FW FW SC   FW FW FW
PoP 12hr          5      10    20       5    10       5     5       5     5
Rain shwrs                   S  S

$$
MTZ011-231100-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
520 PM MDT Fri Sep 22 2017

Date           09/22/17      Sat 09/23/17            Sun 09/24/17            Mon
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          54          34          59          36
Temp             44 40 38 36 35 39 49 53 53 44 40 36 34 41 53 58 57 47 43 38 36
Dewpt            35 34 32 34 34 36 37 37 35 38 35 34 32 36 39 39 37 36 34 32 31
RH               70 79 79 92 96 89 63 54 50 79 82 92 92 82 59 49 47 65 70 79 82
Wind dir         NE NE  S SE SE SE SE SE SE SE SE SE  S SE  S SE SE SE  S  S  S
Wind spd          4  4  3  3  3  4  5  4  6  5  3  3  4  4  5  5  8  6  6  5  5
Clouds           B2 B2 B2 OV OV B2 B2 B1 B1 SC SC FW FW FW FW SC SC SC FW FW FW
PoP 12hr                     20          10           5           5           5
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Rain              S


Date           09/25/17  Tue 09/26/17  Wed 09/27/17  Thu 09/28/17  Fri 09/29/17
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          64      40    66      41    67      40    67      40    70
Temp          57 63 46   41 60 65 47   42 61 66 47   41 61 66 47   41 64 69
Dewpt         38 37 36   36 45 42 38   38 45 43 38   35 41 39 36   36 41 39
PWind dir        SW       S     W      NW    NW      NW    NW      NE     S
Wind char        GN      LT    GN      GN    GN      GN    LT      GN    GN
Avg clouds    SC FW SC   SC B1 B1 B1   B1 B1 SC SC   SC FW FW FW   FW FW FW
PoP 12hr          5       5    10      10    10       5     5       5     5

$$
MTZ051-231100-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
520 PM MDT Fri Sep 22 2017

Date           09/22/17      Sat 09/23/17            Sun 09/24/17            Mon
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                      32          48          32          51          34
Temp             38 35 35 34 32 36 44 47 47 40 37 32 33 38 47 50 50 42 38 35 35
Dewpt            36 34 34 33 32 35 34 37 32 38 34 31 32 36 35 41 35 37 33 32 31
RH               92 96 96 96100 96 68 68 56 92 89 96 96 92 63 71 56 82 82 89 85
Wind dir          E  E SE  S SE SE SE  E SE SE  S SE  S SE NE  E NE  S  S  S  S
Wind spd          6  4  2  4  4  2  4  5  6  5  5  5  5  2  4  4  8  6  8  8  8
Clouds           OV OV OV OV OV B2 B1 B1 B1 B1 SC SC SC B1 B1 B2 B1 SC SC SC SC
PoP 12hr                     40          30          20          20          20
QPF 12hr                   0.04           0           0           0           0
Snow 12hr                     T       00-00       00-00
Rain              S  S  C  C
Rain shwrs                    C                 S  S  S  S  S  S  S  S
Snow              S  S  C  C
Snowshwrs                     C


Date           09/25/17  Tue 09/26/17  Wed 09/27/17  Thu 09/28/17  Fri 09/29/17
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      39    59      40    62      39    62      40    66
Temp          53 55 41   41 56 57 44   41 58 60 44   40 59 60 44   42 63 63
Dewpt         34 33 34   36 40 39 38   38 41 42 38   37 40 38 36   36 39 42
PWind dir        SW       W     W       W     W      NW     W       E     S
Wind char        LT      GN    GN      GN    LT      GN    LT      GN    GN
Avg clouds    SC SC SC   SC B1 B1 B1   SC SC B1 SC   SC SC FW FW   FW FW FW
PoP 12hr         10      10    10      10    10       5     5       5     0

$$
weather.gov/greatfalls




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