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Point Forecast Matrices
National Weather Service Great Falls MT
919 AM MDT Tue Apr 25 2017

MTZ012-252300-
Great Falls-Cascade MT
47.47N 111.38W Elev. 3663 ft
919 AM MDT Tue Apr 25 2017

Date             Tue 04/25/17            Wed 04/26/17            Thu 04/27/17
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          54          36          48
Temp                   44 48 48 43 39 35 37 42 51 54 53 45 42 38 36 41 46 48 45
Dewpt                  37 36 35 36 35 32 34 35 37 35 38 36 37 34 32 33 32 32 33
RH                     76 63 60 76 85 89 89 76 59 48 57 70 82 85 85 73 58 54 62
Wind dir                N  N  N NE SW SW  S SW SW SW SW  S SW  W  W  W  W  W  W
Wind spd                5  6  8  8  6  5  9 10 12 12 10  8 10 11 13 17 18 18 16
Clouds                 OV B2 OV B2 B2 B2 B1 B2 B2 B2 OV B2 B2 B2 B2 OV OV OV OV
PoP 12hr                     30          30          40          60          60
QPF 12hr                   0.02        0.01        0.06        0.15        0.14
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S  C  C  S  S        C  C  C  L  L  L  L  L  L  L  L  L
Snowshwrs                           S     C
Tstms                                           S  S


Date               Fri 04/28/17  Sat 04/29/17  Sun 04/30/17  Mon 05/01/17
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    46      31    53      34    57      36    55
Temp          35   32 41 46 36   32 49 52 39   35 51 56 41   37 50 54
Dewpt         31   30 33 29 31   28 30 24 30   29 31 31 32   32 31 30
PWind dir           W    NW       W    SW      SW    SW       W     W
Wind char          GN    GN      GN    GN      GN    BZ      BZ    BZ
Avg clouds    OV   OV OV B2 B2   B1 SC SC SC   SC B1 B2 B2   B1 B2 B2
PoP 12hr           60    50      30    20      10    30      40    60
Rain shwrs     L    L  C  C  C    S  S  S          C  C  C    C  L  C
Snowshwrs           L  C          S

$$
MTZ010-252300-
Cut Bank-Glacier MT
48.60N 112.39W Elev. 3838 ft
919 AM MDT Tue Apr 25 2017

Date             Tue 04/25/17            Wed 04/26/17            Thu 04/27/17
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                      44          31          51          35          45
Temp                   40 43 44 39 36 33 34 39 46 49 51 43 40 37 35 38 42 44 44
Dewpt                  36 36 35 35 34 31 34 37 37 36 34 34 35 33 33 33 34 34 32
RH                     85 76 70 85 92 92100 92 71 61 52 70 82 85 92 82 73 68 62
Wind dir               SE SE  N  N  N  S  S  S  S SW  W NW  W  W  W  W  W  W  W
Wind spd                9  8 10  9  6  5  6  8  8 10 10  6  8 11 14 18 18 18 17
Clouds                 OV OV OV OV B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 OV OV OV OV B2
PoP 12hr                     60          40          50          60          70
QPF 12hr                   0.06        0.07        0.05        0.16        0.17
Snow 12hr                 00-00           T       00-00
Rain shwrs              C  C  C  S  C        C  C  C  L  L  L  L  L  L  L  L  C
Snowshwrs                           C  C  C
Tstms                                           S  S
Obvis                   F


Date               Fri 04/28/17  Sat 04/29/17  Sun 04/30/17  Mon 05/01/17
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    47      30    52      34    55      36    53
Temp          35   31 43 47 36   31 48 51 38   35 50 54 39   37 48 52
Dewpt         31   30 35 28 30   29 33 26 31   30 34 29 31   33 34 29
PWind dir           W    NW      NW     W      SW    SW       W    NW
Wind char          GN    GN      GN    GN      GN    GN      BZ    BZ
Avg clouds    B2   OV B2 B2 B1   B1 SC SC SC   SC B1 B2 B1   B1 B2 B2
PoP 12hr           50    50      20    20      20    30      40    50
Rain shwrs     C    C  C  C  S    S     S       S  C  C  C    C  C  C
Snowshwrs           C  C          S

$$
MTZ014-252300-
Helena-Lewis & Clark MT
46.61N 111.96W Elev. 3893 ft
919 AM MDT Tue Apr 25 2017

Date             Tue 04/25/17            Wed 04/26/17            Thu 04/27/17
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          35          55          36          50
Temp                   48 52 52 45 41 36 37 41 52 55 54 48 43 40 36 38 47 50 47
Dewpt                  34 34 33 34 33 30 33 33 33 31 32 38 35 33 30 29 26 26 23
RH                     58 50 48 65 73 79 85 73 48 40 43 68 73 76 79 70 43 39 38
Wind dir               NW NW  W  W  W SW  S SE SW SW  S SW  W  W  W  W  W  W  W
Wind spd                9 11 10  6  4  3  3  4  9 10  8  5 13 16 16 18 19 19 16
Clouds                 B2 B2 B2 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B2 B2 B2
PoP 12hr                     20          20          40          70          60
QPF 12hr                      0           0        0.07        0.16        0.09
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S  S  S           C  C  C  C  L  L  L  L  C  C  L  L  C
Snowshwrs                                 C                       C  C        C
Tstms                                           S  S


Date               Fri 04/28/17  Sat 04/29/17  Sun 04/30/17  Mon 05/01/17
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    49      33    55      35    58      38    57
Temp          37   33 47 48 39   33 50 54 40   36 52 58 44   38 52 56
Dewpt         27   28 30 26 32   28 28 26 30   31 30 31 33   32 30 30
PWind dir           W    NW      NW    SW       W    SW       W     W
Wind char          GN    GN      GN    LT      GN    GN      GN    GN
Avg clouds    B2   B2 B2 B2 B2   B2 B1 SC B1   SC B2 B2 B2   B1 B1 B2
PoP 12hr           50    60      30    20      10    40      30    50
Rain shwrs     C    C  L  C  C    C  S  S          C  C  C    C  C  C
Snowshwrs      C    C  L

$$
MTZ055-252300-
Bozeman-Gallatin MT
45.78N 111.16W Elev. 4475 ft
919 AM MDT Tue Apr 25 2017

Date             Tue 04/25/17            Wed 04/26/17            Thu 04/27/17
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          31          53          34          46
Temp                   44 47 48 41 37 33 34 39 50 53 51 43 39 38 34 37 43 44 46
Dewpt                  35 34 36 36 33 30 32 33 34 34 36 38 37 35 32 31 27 25 30
RH                     70 60 63 82 85 89 92 79 54 48 56 82 92 89 92 79 53 47 53
Wind dir                W  W  W  S  S  S  S SE SW SW SW SW  W  W  W  W  W  W NW
Wind spd                5  4  6  6  5  3  5  4  6  8 11  8  8 11 12 13 14 13 11
Clouds                 OV B2 B2 B2 B1 B1 B2 B2 B2 B2 OV OV OV OV OV B2 B2 B2 B2
PoP 12hr                     70          20          50          90          70
QPF 12hr                   0.07        0.02        0.09        0.23        0.14
Snow 12hr                 00-00           T       00-00
Rain shwrs              C  C  S  S  S        C  C  C  D  D  D  D  L  L  L  L  C
Snowshwrs                           S     C                       L  L  L  L  C
Tstms                                           S  S
Obvis                   F


Date               Fri 04/28/17  Sat 04/29/17  Sun 04/30/17  Mon 05/01/17
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    46      29    51      30    55      34    54
Temp          33   29 43 45 34   30 47 50 37   31 50 54 40   34 50 53
Dewpt         28   27 27 28 30   27 27 28 30   27 30 33 34   31 29 33
PWind dir           W     W       N     W       S    SW       W     W
Wind char          GN    LT      LT    LT      LT    GN      GN    GN
Avg clouds    B2   B2 B2 OV OV   B2 B1 B1 SC   SC B1 B2 OV   B2 B2 B2
PoP 12hr           50    60      40    30      20    50      50    60
Rain shwrs     C          L  C    C  C  C  S    S  C  C  C    C  C  L
Snowshwrs      C    C  L  L       C  C          S  C

$$
MTZ055-252300-
West Yellowstone-Gallatin MT
44.66N 111.11W Elev. 6700 ft
919 AM MDT Tue Apr 25 2017

Date             Tue 04/25/17            Wed 04/26/17            Thu 04/27/17
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                      39          21          40          27          37
Temp                   37 39 37 31 27 23 25 28 36 39 39 34 31 31 27 30 36 36 35
Dewpt                  30 29 29 28 26 23 25 26 28 30 32 32 31 29 26 26 22 21 22
RH                     75 67 72 88 96100100 92 72 70 76 92100 92 96 85 56 54 59
Wind dir                N  N  W SW SW  S  S  S SW SW  S  S  W  W  W  W  W  W NW
Wind spd                6  8  6  4  3  2  4  6 11 16 10  8  5  9  8  9 10 10  6
Clouds                 B2 B1 B1 B1 B2 B1 B2 B2 OV OV OV OV OV OV OV B2 B2 OV B2
PoP 12hr                     60          30          60          90          70
QPF 12hr                   0.01        0.04        0.17        0.26        0.14
Snow 12hr                 00-00           1           1
Rain shwrs              C  C  S                       D  D  D  D
Snowshwrs                        S  S  C  C  C  L  L  D  D  D  D  L  L  L  L  L
Tstms                                           S  S
Obvis                   F
Winter Weath


Date               Fri 04/28/17  Sat 04/29/17  Sun 04/30/17  Mon 05/01/17
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            21    37      22    42      23    44      27    44
Temp          27   21 34 36 28   22 38 41 29   23 40 43 32   27 38 44
Dewpt         25   20 20 21 25   20 21 20 25   21 25 28 29   25 24 29
PWind dir          NW    NW       N     N       W    SW      SW    SW
Wind char          LT    LT      GN    LT      LT    GN      GN    GN
Avg clouds    B2   B2 B2 B2 B2   B2 B1 SC B1   SC B1 B2 B2   B2 B2 B2
PoP 12hr           60    50      30    30      20    50      60    50
Rain shwrs                                 S          C  L    C
Snowshwrs      L    L  C  C  C    C  C  C  S    S  C  C       C  C  C

$$
MTZ008-252300-
Dillon-Beaverhead MT
45.26N 112.55W Elev. 5357 ft
919 AM MDT Tue Apr 25 2017

Date             Tue 04/25/17            Wed 04/26/17            Thu 04/27/17
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          51          32          46
Temp                   44 47 48 42 38 34 35 40 49 50 48 42 39 35 32 35 43 45 45
Dewpt                  30 29 30 31 30 29 29 30 26 27 31 34 33 30 27 23 18 18 20
RH                     57 49 49 65 73 82 78 67 40 41 51 73 79 82 81 61 36 33 36
Wind dir               NW NW NW NW  S  S  S  S SW SW SW SW  W SW  W  W  W NW NW
Wind spd                9  8 10  6  5  5  6  8 12 12 14 10 13 13 13 13 14 14 14
Clouds                 B2 B2 B1 B2 B1 B1 B2 B2 B2 OV OV OV OV B2 B2 B1 B2 B2 B2
PoP 12hr                     30          10          50          80          50
QPF 12hr                   0.01           0        0.06        0.21        0.09
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S  S                 C  C  C  D  D  L  L
Snowshwrs                                 C                       C  C  C  C  C
Tstms                                           S  S


Date               Fri 04/28/17  Sat 04/29/17  Sun 04/30/17  Mon 05/01/17
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            28    46      28    51      31    54      34    54
Temp          31   28 41 46 33   29 46 50 36   32 51 53 38   35 48 53
Dewpt         22   22 19 27 28   23 22 22 27   25 26 27 29   28 25 28
PWind dir           W     W       N    NW      SW    SW      SW     W
Wind char          GN    GN      GN    LT      GN    GN      GN    GN
Avg clouds    B2   B2 B2 B2 B2   B2 B1 SC B1   SC B2 B2 B2   B1 B1 B1
PoP 12hr           30    50      30    20      10    40      40    40
Rain shwrs                   C          S          C  C  C    C  C  C
Snowshwrs      C    C  C  C  C    C  S  S          C             C  C

$$
MTZ011-252300-
Havre-Hill MT
48.54N 109.76W Elev. 2585 ft
919 AM MDT Tue Apr 25 2017

Date             Tue 04/25/17            Wed 04/26/17            Thu 04/27/17
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                      49          32          54          36          49
Temp                   43 48 49 43 38 34 35 39 49 53 53 46 42 38 36 38 45 46 49
Dewpt                  28 30 32 33 32 31 32 34 34 36 39 39 38 34 34 34 34 32 35
RH                     55 49 52 67 79 89 89 82 56 52 59 76 86 85 92 85 65 58 58
Wind dir                E  E  E  E  E  E SE SE SE SE SE  E  E  E  E  E NE NW NW
Wind spd               12 10 11 11  8  5  6  8  8  9 13 13 12 11  9  8  8  9  9
Clouds                 OV B2 OV OV B2 B2 B2 B2 B2 B2 B2 OV B2 B2 B2 B2 OV OV OV
PoP 12hr                     20          30          40          50          50
QPF 12hr                      0        0.03        0.02        0.10        0.11
Snow 12hr                 00-00       00-00       00-00
Rain shwrs                    S  C  S  S     C  C  C  C  C  C  C  C  C  C  C  C
Snowshwrs                           S  S  C  C
Tstms                                           S  S


Date               Fri 04/28/17  Sat 04/29/17  Sun 04/30/17  Mon 05/01/17
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    51      32    57      35    62      38    59
Temp          38   33 46 51 37   33 52 56 43   36 58 60 45   38 55 58
Dewpt         35   31 26 28 30   30 31 31 35   33 36 34 36   34 35 34
PWind dir           W    NW      NE     W      SW    SW       W     W
Wind char          GN    GN      GN    GN      GN    GN      BZ    GN
Avg clouds    OV   OV B2 B1 B1   SC SC SC SC   SC SC B1 B2   B2 B1 B2
PoP 12hr           50    20      10    10      10    30      40    40
Rain shwrs     C    C  S  S                        S  C  C    C  C  C

$$
MTZ051-252300-
Lewistown-Fergus MT
47.05N 109.46W Elev. 4144 ft
919 AM MDT Tue Apr 25 2017

Date             Tue 04/25/17            Wed 04/26/17            Thu 04/27/17
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                      45          30          50          33          44
Temp                   41 45 44 39 36 33 34 39 49 50 49 43 39 37 33 37 40 43 43
Dewpt                  30 31 32 33 33 32 33 34 33 34 36 37 35 34 31 33 32 30 32
RH                     65 58 62 79 89 96 96 82 54 54 61 79 85 89 92 85 73 60 65
Wind dir                E  E SE SE SE  S  S  S  S  S SE SE SE SW  W  W NW NW NW
Wind spd                8  8 10  8  8  6  8  5  8  9  9  8  8  6 11 12 14 14 13
Clouds                 B2 B2 OV OV B2 B2 B1 B1 B2 B2 OV OV OV OV B2 OV OV OV OV
PoP 12hr                     40          50          60          70          70
QPF 12hr                   0.01        0.09        0.06        0.18        0.19
Snow 12hr                 00-00       00-00       00-00
Rain shwrs              S  S  C  C  C        S  L  L  L  L  L  L  L  L  L  L  L
Snowshwrs                           C     S
Tstms                                           S  S
Obvis                   F


Date               Fri 04/28/17  Sat 04/29/17  Sun 04/30/17  Mon 05/01/17
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    43      29    49      31    55      35    53
Temp          35   30 38 43 32   30 44 48 36   32 50 54 40   35 49 52
Dewpt         31   28 29 26 26   26 24 27 28   26 29 31 32   30 32 29
PWind dir           W    NW       W     W      SW    SW       W     W
Wind char          GN    GN      GN    GN      GN    GN      GN    BZ
Avg clouds    OV   B2 B2 B2 B2   B1 B1 B1 SC   SC SC B2 B2   B1 B1 B2
PoP 12hr           60    50      20    20      10    40      40    50
Rain shwrs     L    L  C  C  S    S  S  S          C  C  C    C  C  C
Snowshwrs           L  C  C       S  S

$$
weather.gov/greatfalls




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