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Point Forecast Matrices
National Weather Service Great Falls MT
255 AM MDT Fri Sep 22 2017

MTZ012-222300-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
255 AM MDT Fri Sep 22 2017

Date             Fri 09/22/17            Sat 09/23/17            Sun 09/24/17
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                      41          32          51          33          56
Temp          39 35 34 37 39 39 37 36 36 33 36 44 49 51 44 38 36 33 37 50 56 54
Dewpt         30 32 32 34 35 35 35 35 35 31 34 35 35 34 35 34 31 30 33 37 38 33
RH            70 89 92 89 85 85 92 96 96 92 92 70 58 52 70 85 82 89 85 61 51 45
Wind dir      NE NE  N NE NE NE  N  E  N  S  S SW  S SE SE  S SW SW SW SW NE SE
Wind spd      13 10 10 10  9  8  5  5  5  5  5  4  5  5  6  6  8  6  5  4  5  5
Clouds        OV OV OV OV OV OV OV OV B2 B2 B1 SC SC SC FW FW FW FW FW FW SC SC
PoP 12hr                     90          70          20           5           5
QPF 12hr                   0.27        0.05        0.01           0           0
Snow 12hr                     T       00-00       00-00
Rain           L  D  D  D        C  C  C  S  S
Rain shwrs                 D  L
Snow              D  D  D                 S


Date               Mon 09/25/17  Tue 09/26/17  Wed 09/27/17  Thu 09/28/17
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            36    61      42    62      43    65      42    69
Temp          40   36 55 60 47   43 57 61 49   44 60 64 49   43 63 68
Dewpt         34   31 37 36 37   36 41 44 43   40 47 43 42   36 43 44
PWind dir           S    SW      SW    SW       W     W      SW    SW
Wind char          LT    LT      LT    GN      LT    LT      LT    LT
Avg clouds    FW   FW SC SC SC   SC B1 B1 B1   SC SC SC SC   SC FW FW
PoP 12hr            5     5      10    30      20    20       5     5
Rain shwrs                           C  C  S    S  S

$$
MTZ010-222300-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
255 AM MDT Fri Sep 22 2017

Date             Fri 09/22/17            Sat 09/23/17            Sun 09/24/17
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                      41          30          52          30          58
Temp          34 33 34 37 40 40 37 35 35 31 34 45 50 51 42 37 33 30 38 53 58 56
Dewpt         29 30 31 31 31 31 32 32 32 29 31 32 32 32 32 31 31 28 32 33 31 31
RH            82 89 89 79 70 70 82 89 89 92 89 60 50 48 67 79 92 92 79 46 36 38
Wind dir       N  N  N  N  N  N  N NW  W  S  S  S  S  S  S SW  W  W SW  S  S  S
Wind spd       8  9  8  9  8  6  6  4  3  4  5  9  6  8  8  6  6  6  4  6  8  8
Clouds        OV OV OV OV OV OV OV OV B2 B2 B1 SC SC B1 SC FW FW FW FW FW FW SC
PoP 12hr                     40          50          20           5           0
QPF 12hr                   0.03        0.03        0.01           0           0
Snow 12hr                 00-00       00-00       00-00
Rain                    C        C  C  C     S
Rain shwrs                 C  C
Snow           S  C  C  C           C  C  S


Date               Mon 09/25/17  Tue 09/26/17  Wed 09/27/17  Thu 09/28/17
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            36    62      41    64      41    66      39    69
Temp          41   36 57 61 47   42 61 62 48   42 62 64 47   40 64 67
Dewpt         32   33 36 38 38   37 41 44 41   40 45 40 37   37 43 40
PWind dir          SW    SW      SW     W      NW     W      NW    SW
Wind char          LT    LT      GN    GN      GN    GN      GN    GN
Avg clouds    SC   SC SC SC SC   B1 B1 B1 B1   SC SC SC SC   SC FW FW
PoP 12hr            5    10      10    20      20    10       5     5
Rain shwrs                           S  S       S

$$
MTZ014-222300-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
255 AM MDT Fri Sep 22 2017

Date             Fri 09/22/17            Sat 09/23/17            Sun 09/24/17
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                      41          34          52          32          55
Temp          41 38 37 37 40 40 36 35 34 34 37 43 49 51 41 36 34 32 35 46 53 54
Dewpt         34 33 31 32 34 35 34 34 34 32 34 36 35 33 33 30 29 29 31 36 36 34
RH            76 82 79 82 79 82 92 96100 92 89 76 58 50 73 79 82 88 85 68 52 46
Wind dir       N NW NW NW  N  N NW  W  W  W NW NE NE NE  W  W  W SW  W  N  N NE
Wind spd      16 14 14 13 10  9  6  5  4  3  2  2  4  4  4  2  3  2  1  3  4  4
Clouds        OV OV OV OV OV OV OV OV B2 B2 B2 SC SC SC FW SC FW FW FW SC SC SC
PoP 12hr                     90          70          20          10          10
QPF 12hr                   0.27        0.06        0.01           0           0
Snow 12hr                     T       00-00       00-00
Rain           D  D  D  D        L  C  C  S  S
Rain shwrs                 D  L
Snow              D  D  D           C  C  S


Date               Mon 09/25/17  Tue 09/26/17  Wed 09/27/17  Thu 09/28/17
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    59      40    60      41    64      41    68
Temp          39   35 51 59 44   41 53 60 48   41 57 64 46   42 60 67
Dewpt         34   31 38 34 35   35 43 41 41   36 45 42 38   36 47 42
PWind dir          SW    SW      SW     W       W     W      SE     S
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC   SC SC SC SC   SC B1 B1 B1   B1 SC SC SC   FW SC FW
PoP 12hr            5    10      10    30      20    10       5     5
Rain shwrs                           C  C  S    S

$$
MTZ055-222300-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
255 AM MDT Fri Sep 22 2017

Date             Fri 09/22/17            Sat 09/23/17            Sun 09/24/17
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          31          49          31          51
Temp          39 38 38 40 41 40 36 36 36 32 35 43 47 48 39 34 33 31 36 44 49 50
Dewpt         36 35 33 34 34 35 35 35 35 32 33 34 32 35 34 31 32 30 33 33 35 34
RH            89 89 82 79 76 82 96 96 96100 92 70 56 60 82 89 96 96 89 65 58 54
Wind dir       W  W  W NW NE  N  W  W SW SE SE NW NW  N SE SE SE  E NE  N NW  N
Wind spd       9 10 12 11 10  4  6  4  2  4  3  3  4  4  6  5  5  4  3  2  3  5
Clouds        OV OV OV OV OV OV B2 OV B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1
PoP 12hr                     70          50          10          10          20
QPF 12hr                   0.12        0.04           0           0        0.02
Snow 12hr                 00-00       00-00       00-00
Rain           D  L  L  L        C  C                                S  S  S
Rain shwrs                 C  C                                               S
Snow                                C  S                          S


Date               Mon 09/25/17  Tue 09/26/17  Wed 09/27/17  Thu 09/28/17
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    55      35    57      37    61      36    65
Temp          38   34 49 55 40   36 53 56 43   38 55 60 43   37 60 63
Dewpt         35   32 34 32 32   31 36 41 37   36 41 41 37   33 40 41
PWind dir           S    SW      SW    SW       W     W      SW    SW
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1   SC SC SC SC   SC B1 B1 B1   B1 SC SC SC   FW FW FW
PoP 12hr           20    10       5    30      20    20       5     5
Rain shwrs     S                     S  C  S       S

$$
MTZ055-222300-
West Yellowstone-Gallatin MT
44.66N 111.11W Elev. 6700 ft
255 AM MDT Fri Sep 22 2017

Date             Fri 09/22/17            Sat 09/23/17            Sun 09/24/17
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                      40          25          45          25          45
Temp          33 34 33 37 39 38 32 30 29 26 29 39 44 43 33 28 26 25 29 38 44 43
Dewpt         32 32 32 33 32 32 30 28 27 26 27 29 30 30 30 27 25 24 27 28 34 29
RH            96 92 96 85 76 79 92 92 92100 92 67 57 60 89 96 96 96 92 67 68 57
Wind dir      NW SW  S SW SW SW SE  S SE  E  E NE  N  N  N NE NE NE  N  N  N  N
Wind spd       8  5  4  6  8  4  2  4  2  1  2  3  5  8  4  3  2  2  3  4  9  6
Clouds        OV OV OV B2 B2 B2 B2 B2 B2 B1 B1 SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1
PoP 12hr                     70          40          10          20          20
QPF 12hr                   0.08        0.03           0        0.01        0.02
Snow 12hr                     T           T       00-00
Rain           D  L  L  C                             S  S              S  S
Rain shwrs                 C  C                                               S
Snow              L  L  C        C  S  S                 S        S  S  S
Tstms                   S  S
Winter Weath   Y  Y  Y  Y  Y  Y  Y


Date               Mon 09/25/17  Tue 09/26/17  Wed 09/27/17  Thu 09/28/17
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            26    47      25    49      28    53      28    57
Temp          29   26 42 46 29   26 45 48 34   29 47 52 36   29 52 55
Dewpt         28   25 29 25 24   23 30 30 31   27 35 33 32   26 35 35
PWind dir          NE     N       W     S      SW    NE       N    SE
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1   SC SC SC SC   FW SC B1 B1   SC SC SC SC   FW FW FW
PoP 12hr           20    10       5    20      10    10       5     5
Rain shwrs     S                     S  S
Snowshwrs      S                     S

$$
MTZ008-222300-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
255 AM MDT Fri Sep 22 2017

Date             Fri 09/22/17            Sat 09/23/17            Sun 09/24/17
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                      40          27          45          27          47
Temp          36 35 34 37 39 38 34 33 32 28 31 37 43 44 34 32 29 27 32 39 45 46
Dewpt         33 32 32 34 35 35 32 32 31 27 29 29 30 29 27 27 26 25 29 31 33 31
RH            89 89 92 89 85 89 92 96 96 96 92 72 60 55 75 81 88 92 88 73 62 55
Wind dir      NE  N  N  N  N  N NE NE NE SE NE  N  N  N NE  N  E  E NW  N  N  N
Wind spd      10 11 10 11 10 10  8  6  4  8  6  4  5  8  6  5  6  6  8  5  6  9
Clouds        OV OV OV OV OV OV OV OV B2 B2 B1 SC SC B1 SC SC SC SC SC SC SC SC
PoP 12hr                     90          60          10          10          10
QPF 12hr                   0.18        0.05           0           0           0
Snow 12hr                     T           T       00-00
Rain           D  D  D  D
Rain shwrs                 D  L
Snow           D  D  D  D        C  C  C


Date               Mon 09/25/17  Tue 09/26/17  Wed 09/27/17  Thu 09/28/17
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            29    52      33    56      35    59      34    64
Temp          33   29 46 51 38   34 50 55 40   36 51 59 40   35 56 63
Dewpt         29   24 30 27 25   26 34 35 34   32 37 37 32   30 39 36
PWind dir          SE     W       W    SW      NE     E       E     S
Wind char          LT    LT      LT    GN      LT    LT      GN    LT
Avg clouds    SC   SC SC SC SC   SC B1 B1 B1   SC SC SC SC   FW FW FW
PoP 12hr           10     5       5    30      10    10       5     5
Rain shwrs                           C  S

$$
MTZ011-222300-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
255 AM MDT Fri Sep 22 2017

Date             Fri 09/22/17            Sat 09/23/17            Sun 09/24/17
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                      48          34          54          35          60
Temp          37 36 38 43 47 48 43 41 39 35 40 49 52 54 45 41 37 35 43 54 59 59
Dewpt         31 31 33 34 34 34 36 36 35 33 35 37 37 37 38 36 34 32 37 39 40 37
RH            79 82 82 70 60 58 76 82 85 92 82 63 56 52 76 82 89 89 79 57 49 44
Wind dir      NW  N  N NE NE  E SW  S  W  S  S  S  S  S SE  S  S  S  S  S  S SE
Wind spd       5  4  5  6  6  4  4  3  2  3  4  5  5  6  4  4  3  4  4  5  5  5
Clouds        B2 OV OV B2 B2 OV B2 B2 B2 B2 B1 B1 B1 B1 SC SC FW FW FW FW SC SC
PoP 12hr                     40          40          20           5           5
QPF 12hr                   0.04        0.02        0.01           0           0
Snow 12hr                 00-00       00-00       00-00
Rain           S  C  C  C        C  C  C  S  S
Rain shwrs                 C  C


Date               Mon 09/25/17  Tue 09/26/17  Wed 09/27/17  Thu 09/28/17
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            36    64      39    66      41    68      40    70
Temp          43   36 57 63 45   40 60 65 47   42 61 67 47   41 63 69
Dewpt         36   32 40 36 34   35 41 44 38   38 47 44 38   37 44 44
PWind dir          SE     S       S    SW       W     W      SW     S
Wind char          LT    LT      LT    LT      LT    GN      LT    LT
Avg clouds    SC   FW FW FW SC   SC B1 B1 B1   B1 B1 SC SC   SC FW FW
PoP 12hr            5     5       5    10      20    20       5     5
Rain shwrs                                      S  S

$$
MTZ051-222300-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
255 AM MDT Fri Sep 22 2017

Date             Fri 09/22/17            Sat 09/23/17            Sun 09/24/17
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                      40          32          48          33          52
Temp          38 36 35 38 39 39 36 36 34 33 38 44 47 47 43 38 34 34 40 47 51 51
Dewpt         35 33 33 34 35 35 35 35 33 31 36 34 38 34 39 34 32 32 37 35 42 34
RH            89 89 92 85 85 85 96 96 96 92 92 68 71 60 86 85 92 92 89 63 71 52
Wind dir       E  E  E  E  E  E  E SE SE SE SE SE  E  E SE  S  S  S  S  E  E SE
Wind spd      11  6  6  9  9  8  5  4  3  5  3  3  4  6  5  5  5  5  3  3  3  6
Clouds        OV OV OV OV OV OV OV OV B2 B2 B1 B1 B2 B1 B1 SC SC SC SC B1 B1 B1
PoP 12hr                     90          60          20          20          20
QPF 12hr                   0.25        0.02        0.01        0.02        0.02
Snow 12hr                     T       00-00       00-00
Rain           D  D  D  L        C  C     S  S        S  S  S  S  S  S  S  S
Rain shwrs                 D  L                                               S
Snow              D  D  L        C  C  C  S


Date               Mon 09/25/17  Tue 09/26/17  Wed 09/27/17  Thu 09/28/17
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            34    56      37    60      40    62      38    65
Temp          39   34 53 55 40   39 57 58 44   41 58 61 43   40 61 63
Dewpt         35   32 37 35 32   34 39 43 39   37 44 43 36   35 41 43
PWind dir           S    SW       S     W       W     W       W     W
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1   SC SC SC SC   SC SC B1 B1   SC SC SC SC   SC FW FW
PoP 12hr           20    10       5    20      10    20       5     5
Rain shwrs     S                        S          S

$$
weather.gov/greatfalls




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