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Point Forecast Matrices
National Weather Service Great Falls MT
248 AM MDT Thu Sep 21 2017

MTZ012-212300-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
248 AM MDT Thu Sep 21 2017

Date             Thu 09/21/17            Fri 09/22/17            Sat 09/23/17
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          33          42          31          51
Temp          40 38 42 50 54 54 47 42 38 34 33 36 41 41 39 35 33 31 36 46 50 50
Dewpt         31 30 30 30 29 29 29 29 27 28 29 32 37 36 36 33 30 30 33 36 35 33
RH            70 73 62 46 38 38 49 60 64 78 85 85 85 82 89 92 89 96 89 68 56 52
Wind dir      SW SW SW NW  N NE NE NE NE  N  N  N  N NE NE NE  S SW SW SW SW SE
Wind spd      10  9  9  6  5  9 10 13 13 13 12 11  9  6  6  5  6  4  4  4  4  5
Clouds        SC FW FW SC B1 B2 B2 OV OV OV OV OV OV OV OV B2 B2 B2 B2 B1 B1 B1
PoP 12hr                     10          40          60          50          20
QPF 12hr                      0        0.03        0.16        0.03           0
Snow 12hr                 00-00       00-00       00-00
Rain                             S  C  C  L  L  L  L  C  C  C  C
Rain shwrs                                                           S
Snow                                      L  L  L
Snowshwrs                                                         S


Date               Sun 09/24/17  Mon 09/25/17  Tue 09/26/17  Wed 09/27/17
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    57      36    62      40    65      44    67
Temp          38   34 52 56 42   37 56 61 45   41 58 65 50   45 62 66
Dewpt         33   31 38 33 35   33 40 35 36   35 44 42 41   40 44 44
PWind dir           S    SW      SE    SW       S    SW       W    SW
Wind char          LT    LT      LT    LT      GN    GN      GN    GN
Avg clouds    B1   SC SC SC FW   SC SC SC SC   SC SC B1 B1   SC SC SC
PoP 12hr           10    20       5     5       5    10      20    20
Rain shwrs             S                                      S  S

$$
MTZ010-212300-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
248 AM MDT Thu Sep 21 2017

Date             Thu 09/21/17            Fri 09/22/17            Sat 09/23/17
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                      51          31          42          30          52
Temp          38 35 39 48 51 46 40 34 33 31 32 38 42 41 38 33 33 30 35 46 51 50
Dewpt         30 30 32 30 30 29 27 26 30 30 30 30 31 33 31 29 31 28 32 32 31 31
RH            73 82 76 49 44 51 59 72 89 96 92 73 65 73 76 85 92 92 89 58 46 48
Wind dir       W  W NW NW NW  N  N  N  N  N  N  N  N  N  N NW SW  S SW  S  S SW
Wind spd       9  6  6  9  9 12 13 14 11 11  8 10  9  9  6  5  5  4  4  6  5  8
Clouds        B1 B2 B1 B1 B2 B2 B2 B2 B2 OV OV OV OV OV OV B2 B2 B2 B2 B1 B1 B1
PoP 12hr                     20          20          40          40          20
QPF 12hr                   0.01        0.02        0.02        0.04           0
Snow 12hr                 00-00       00-00       00-00
Rain                    S  S  S  S  S  S        C  C  C  C  C  C
Rain shwrs                                                           S
Snow                                S  S  C  C  C  C           C
Snowshwrs                                                         S


Date               Sun 09/24/17  Mon 09/25/17  Tue 09/26/17  Wed 09/27/17
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            32    58      35    62      41    65      42    67
Temp          38   32 54 57 42   36 57 61 47   42 60 64 49   43 63 66
Dewpt         30   28 34 32 33   33 35 36 37   38 42 40 40   40 40 43
PWind dir          SW     S       S    SW      SW     W      NW     W
Wind char          GN    LT      GN    LT      GN    GN      GN    GN
Avg clouds    B1   FW FW SC SC   SC SC FW SC   SC SC SC B1   SC SC SC
PoP 12hr           10     5       5     5      10    10       5    10

$$
MTZ014-212300-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
248 AM MDT Thu Sep 21 2017

Date             Thu 09/21/17            Fri 09/22/17            Sat 09/23/17
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          36          42          32          50
Temp          39 37 41 49 53 52 45 43 39 38 36 36 40 42 38 35 35 32 36 45 49 49
Dewpt         31 32 34 35 31 29 31 33 33 32 33 33 33 32 35 32 33 30 34 38 35 33
RH            73 82 76 58 43 41 58 67 79 79 89 89 76 67 89 89 92 92 92 76 58 54
Wind dir      SW  W  W NW  N  N  N  N  N  N  N  N  N  N NW NW NW NW NW NW  N NE
Wind spd       3  2  2  6  5  8  8 10 13 10 11  9 10  9  5  4  3  2  1  2  3  4
Clouds        B1 B2 B1 B1 B2 B2 OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B1 B1 B1
PoP 12hr                     20          60          80          40          20
QPF 12hr                   0.01        0.11        0.23        0.03           0
Snow 12hr                 00-00       00-00       00-00
Rain                          S  C  L  L  D  D  L  L  C  C  C  C
Rain shwrs                                                           S
Snow                                      D  D  L              C
Snowshwrs                                                         S


Date               Sun 09/24/17  Mon 09/25/17  Tue 09/26/17  Wed 09/27/17
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    56      34    60      38    62      41    66
Temp          36   34 51 55 39   35 54 59 43   39 56 61 47   42 59 65
Dewpt         31   32 40 32 33   31 40 32 33   33 44 38 40   37 46 43
PWind dir          SW    SW       S    SW       S    SW      SW    SW
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1   SC SC SC SC   SC SC SC SC   SC SC B1 B1   SC SC SC
PoP 12hr           10    10       5    10      10    10      30    30
Rain shwrs                                                    C  C

$$
MTZ055-212300-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
248 AM MDT Thu Sep 21 2017

Date             Thu 09/21/17            Fri 09/22/17            Sat 09/23/17
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                      52          35          42          29          48
Temp          41 39 41 47 50 48 42 39 38 38 35 38 42 41 36 33 32 29 32 42 46 47
Dewpt         37 35 34 33 31 36 38 36 35 35 34 32 34 36 33 31 30 29 29 30 30 32
RH            85 85 76 58 48 63 86 89 89 89 96 79 73 82 89 92 92100 88 62 53 56
Wind dir       S  S SW  W NW  N SE NW  N  N  N  N NE NE  E  E  E  E  E  W NW  N
Wind spd       4  3  2  4  5  6 18 17  8  8  6  4  4  5  5  4  4  4  3  2  3  4
Clouds        OV OV B2 B2 B2 OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B2 B1 B1 B1
PoP 12hr                     40          80          70          30          20
QPF 12hr                   0.02        0.33        0.22        0.03           0
Snow 12hr                 00-00       00-00       00-00
Rain           S  S  S  S  C  L  L  D  D  L  L  L  L  C  C  S
Rain shwrs                                                                    S
Snow                                                           S
Snowshwrs                                                         S  S


Date               Sun 09/24/17  Mon 09/25/17  Tue 09/26/17  Wed 09/27/17
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            30    51      32    55      35    58      37    61
Temp          34   31 46 50 35   34 50 54 39   36 52 58 43   38 56 60
Dewpt         31   29 32 33 30   32 35 34 31   33 35 39 36   36 42 41
PWind dir          SE    NW       E     W       S    SW      SW    SW
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1   SC SC B1 B1   SC SC SC SC   SC SC B1 B1   SC SC SC
PoP 12hr           20    20      20    20       5    10      30    20
Rain shwrs     S       S  S       S  S  S                     C  S
Snowshwrs              S          S

$$
MTZ055-212300-
West Yellowstone-Gallatin MT
44.66N 111.11W Elev. 6700 ft
248 AM MDT Thu Sep 21 2017

Date             Thu 09/21/17            Fri 09/22/17            Sat 09/23/17
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          39          24          43
Temp          35 34 34 38 40 38 33 32 30 30 30 35 39 37 30 28 24 24 28 38 43 41
Dewpt         34 34 33 34 36 36 32 31 30 30 29 27 33 29 28 27 24 24 26 27 30 27
RH            96100 96 85 85 92 96 96100100 96 72 79 72 92 96100100 92 64 60 57
Wind dir       S SW  E  N NE NE NE  W NW NW  S SW SW  S  S  S SE  E  E  N  N  N
Wind spd       4  3  1  3  4  4  9  9  3  2  2  5 10  8  3  2  1  1  1  2  4  8
Clouds        OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B2 B1 B1 SC SC SC
PoP 12hr                     80          80          60          30          20
QPF 12hr                   0.16        0.29        0.13        0.03           0
Snow 12hr                     T           1           1
Rain           D     D  D  D  D  D              L  L  C
Rain shwrs                                                              S  S  S
Snow              D  D        D  D  D  L  L  L  L  L  C  C  S  S
Snowshwrs                                                         S  S  S  S
Tstms                                           C  C  S
Winter Weath                  Y  Y  Y  Y  Y  Y  Y  Y  Y  Y


Date               Sun 09/24/17  Mon 09/25/17  Tue 09/26/17  Wed 09/27/17
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    45      24    47      27    50      30    53
Temp          27   24 41 44 29   25 43 46 31   28 46 49 35   31 48 52
Dewpt         26   23 29 25 26   23 28 24 28   25 30 28 32   29 35 34
PWind dir          NE    NE       N     N      NW     S       W     S
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    SC   SC B1 SC B1   SC SC SC SC   SC SC SC SC   SC SC SC
PoP 12hr           20    20      20    10      10    10      20     5
Rain shwrs     S       S  S  S                                S
Snowshwrs      S       S  S  S    S                           S

$$
MTZ008-212300-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
248 AM MDT Thu Sep 21 2017

Date             Thu 09/21/17            Fri 09/22/17            Sat 09/23/17
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          33          39          27          45
Temp          38 36 37 44 48 46 38 37 36 34 33 35 39 36 31 31 29 27 29 38 43 44
Dewpt         31 31 31 30 29 32 28 31 32 30 32 29 30 30 27 29 26 26 26 29 29 29
RH            76 82 79 57 47 58 67 79 85 85 96 78 70 79 85 92 88 96 88 70 57 55
Wind dir       S  S  S  N  N NE NE NE  N  N  N  N  N NE NE  E  E  E  S  W NW  N
Wind spd       4  3  3  4  9 16 19 14 12  8 11  9  9 10  8  5  5  8  5  3  4  8
Clouds        B2 B2 B2 B2 B2 OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B1 B1 SC B1
PoP 12hr                     30          80          80          30          20
QPF 12hr                   0.03        0.20        0.21        0.02           0
Snow 12hr                 00-00       00-00           1
Rain           S  S  S  S  S  C  C  D  D  D     L  L  C
Rain shwrs                                                                    S
Snow              S  S              D  D  D  D  L  L     C  S  S
Snowshwrs                                                         S  S
Tstms                                              S


Date               Sun 09/24/17  Mon 09/25/17  Tue 09/26/17  Wed 09/27/17
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            27    50      29    54      33    58      36    60
Temp          30   27 43 50 33   31 48 53 37   35 51 58 41   37 53 60
Dewpt         24   25 32 29 25   26 33 29 29   28 34 36 34   33 40 37
PWind dir           N    NW       E     W       W    SW       W     S
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1   SC SC SC SC   SC SC SC SC   SC SC SC B1   SC SC SC
PoP 12hr           20    10       5     5      10    10      30    20
Rain shwrs     S                                              C  S
Snowshwrs      S

$$
MTZ011-212300-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
248 AM MDT Thu Sep 21 2017

Date             Thu 09/21/17            Fri 09/22/17            Sat 09/23/17
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          35          48          33          55
Temp          43 40 44 53 57 57 45 38 35 35 38 44 47 47 40 37 34 33 40 50 54 54
Dewpt         32 32 33 34 33 32 32 28 29 31 32 33 34 34 35 32 31 31 34 37 38 36
RH            65 73 65 48 40 38 60 67 78 85 79 65 60 60 82 82 89 92 79 61 54 50
Wind dir      SW SW  W  W NW NW  N  N  N  N  N  N  N  N SW  W  S NW  W SW SW  S
Wind spd       9  8  9  9 10  9  8  8  5  6  8  8  8  5  5  3  2  3  3  4  5  5
Clouds        FW SC FW SC B1 B1 SC B1 B2 OV OV OV OV OV B2 B2 B2 B2 B2 B2 B1 B1
PoP 12hr                      5          10          40          50          20
QPF 12hr                      0           0        0.04        0.02           0
Snow 12hr                 00-00       00-00       00-00
Rain                                      C  C  C  C  C  C  C  C
Rain shwrs                                                        S  S        S


Date               Sun 09/24/17  Mon 09/25/17  Tue 09/26/17  Wed 09/27/17
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    60      37    63      38    66      42    67
Temp          41   36 56 59 44   38 57 62 46   39 60 65 47   43 61 66
Dewpt         35   33 38 35 35   34 40 37 36   34 42 41 36   39 44 44
PWind dir           S     S      SE     S       S     S      SW     W
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1   SC SC SC SC   SC SC SC SC   SC SC B1 SC   SC SC SC
PoP 12hr           20    20       5    10      10    10      10    20
Rain shwrs     S    S  S                                            S

$$
MTZ051-212300-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
248 AM MDT Thu Sep 21 2017

Date             Thu 09/21/17            Fri 09/22/17            Sat 09/23/17
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                      53          34          41          31          49
Temp          42 39 43 49 53 52 44 42 37 37 34 36 40 40 35 33 31 31 36 45 48 47
Dewpt         31 28 29 26 30 27 29 30 32 33 31 32 37 34 33 30 30 30 34 35 38 33
RH            65 64 57 40 41 38 55 62 82 85 89 85 89 79 92 89 96 96 92 68 68 58
Wind dir      SW SW  W NW  N NE NE  E NE NE NE  N  N  N  N  E SE SE  S  S NE  E
Wind spd       6  5  5  6  5  6  5  6  8  6  5  8  6  6  5  4  4  5  3  3  3  5
Clouds        B2 B2 B2 B1 B1 OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B2 B2 B1
PoP 12hr                     20          60          80          50          20
QPF 12hr                   0.01        0.14        0.30        0.02           0
Snow 12hr                 00-00       00-00       00-00
Rain                          S  C  L  L  D  D  L  L  C  C
Rain shwrs                                                           S        S
Snow                                      D  D              C  C
Snowshwrs                                                         S


Date               Sun 09/24/17  Mon 09/25/17  Tue 09/26/17  Wed 09/27/17
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            32    53      35    57      37    61      41    63
Temp          36   32 49 52 39   36 53 56 41   39 58 59 46   42 61 61
Dewpt         33   30 36 35 35   33 38 37 35   35 39 39 39   38 42 46
PWind dir           S     E      SE     W       S     W       W     W
Wind char          LT    LT      LT    LT      LT    LT      LT    LT
Avg clouds    B1   SC SC B1 B1   SC SC SC SC   SC SC SC B1   SC SC SC
PoP 12hr           20    20      20    20      20    10      20    10
Rain shwrs     S       S     S    S  S  S  S    S        S
Snowshwrs              S

$$
weather.gov/greatfalls



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