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Issued by NWS Great Falls, MT

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POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE GREAT FALLS MT
907 PM MST TUE JAN 17 2017

MTZ012-181100-
GREAT FALLS-CASCADE MT
47.47N 111.38W ELEV. 3663 FT
907 PM MST TUE JAN 17 2017

DATE          TUE 01/17/17      WED 01/18/17            THU 01/19/17         FRI
MST 3HRLY     14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
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                      36          47          35          44          30
TEMP                   36 37 39 39 46 45 43 41 38 37 38 35 43 42 42 38 36 32 32
DEWPT                  25 26 27 29 34 36 34 33 30 26 29 26 32 35 35 32 30 26 25
RH                     64 64 62 67 63 70 70 73 73 64 70 69 65 76 76 79 79 78 75
WIND DIR               SW SW SW SW SW SW SW  S SW  S SW SW SW SW SW SW SW SW SW
WIND SPD               19 21 23 25 26 26 21 20 19 21 19 19 18 18 13 13 12 12 10
WIND GUST                    34 37 39 37
CLOUDS                 SC B1 B1 B2 SC B1 B1 SC SC B1 B1 B1 B2 B2 OV OV OV OV B2
POP 12HR                      0           5           0          10          20
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                                                        S  S  S  S
SNOWSHWRS                                                               S  S  S


DATE           01/20/17  SAT 01/21/17  SUN 01/22/17  MON 01/23/17  TUE 01/24/17
MST 6HRLY     11 17 23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6HRLY     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

MAX/MIN          39      23    33      23    36      22    32      17    27
TEMP          36 35 26   23 31 32 24   24 34 35 27   22 31 28 18   18 25 26
DEWPT         26 26 19   18 20 24 17   17 20 22 16   15 16 21 13   13 13 15
PWIND DIR        SW      SW     W      SW    SW       S    SW      SW     W
WIND CHAR        GN      LT    GN      GN    BZ      BZ    BZ      BZ    GN
AVG CLOUDS    B2 B2 B2   B2 B1 B1 B1   B1 SC SC SC   SC B1 B1 B1   B1 B2 B2
POP 12HR         20      20    20      20    10      10    20      20    20
SNOWSHWRS      S  S  S    S  S  S  S    S                S  S  S    S  S  S

$$
MTZ010-181100-
CUT BANK-GLACIER MT
48.60N 112.39W ELEV. 3838 FT
907 PM MST TUE JAN 17 2017

DATE          TUE 01/17/17      WED 01/18/17            THU 01/19/17         FRI
MST 3HRLY     14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
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          46          31          43          26
TEMP                   37 36 38 38 45 43 39 35 34 31 34 32 40 43 40 35 34 30 28
DEWPT                  27 28 28 31 38 37 34 30 29 27 28 26 34 38 32 29 27 26 20
RH                     67 72 67 76 76 79 82 82 82 85 78 78 79 82 73 78 75 85 71
WIND DIR               SW SW SW  S SW SW SW SW SW SW SW SW SW SW SW SW  W  W  W
WIND SPD               19 18 18 20 23 25 16 14 13 11 11 11 11 11 12 12 13 13 11
WIND GUST                       31 33 35
CLOUDS                 OV OV B2 B2 OV B2 B1 SC B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2
POP 12HR                      5          10           5          10          10
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00


DATE           01/20/17  SAT 01/21/17  SUN 01/22/17  MON 01/23/17  TUE 01/24/17
MST 6HRLY     11 17 23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6HRLY     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

MAX/MIN          37      19    32      19    35      20    30      15    27
TEMP          32 35 22   20 30 30 24   19 31 35 22   22 30 27 18   15 23 27
DEWPT         21 23 17   15 22 21 17   13 20 23 16   14 18 17 13    9 16 15
PWIND DIR         W      NW    NW       W    SW      SW    SW       W     W
WIND CHAR        GN      GN    GN      GN    GN      GN    BZ      BZ    GN
AVG CLOUDS    B2 SC B1   B1 B2 B2 B1   B1 SC SC SC   SC B1 B1 B1   B1 B1 B1
POP 12HR         10      10    20      20    10      10    10      10    10
SNOWSHWRS                    S  S  S    S

$$
MTZ014-181100-
HELENA-LEWIS & CLARK MT
46.61N 111.96W ELEV. 3893 FT
907 PM MST TUE JAN 17 2017

DATE          TUE 01/17/17      WED 01/18/17            THU 01/19/17         FRI
MST 3HRLY     14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
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                       8          35          19          34          18
TEMP                   13 10 10 12 26 33 31 25 22 19 22 21 29 34 32 26 22 18 20
DEWPT                   1  2  1  7 19 27 23 18 13 15 14 17 20 28 24 21 15 16 15
RH                     58 69 66 80 74 78 72 74 68 84 71 84 69 78 72 81 74 92 81
WIND DIR                S SE  S  S  S  S  S  S  S  S  S  S  S  S  S  S SW SW SW
WIND SPD                6  6  8 10 12 12  8  8  6  6  5  5  5  5  4  4  3  3  3
CLOUDS                 SC B1 B1 B1 B2 B1 B1 B1 B1 B1 B1 B1 OV OV OV OV OV OV OV
POP 12HR                      0          10           5          20          30
QPF 12HR                      0           0           0           0        0.03
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                                                  S  S
SNOWSHWRS                                                   S  S  C  C  C  C  S
WIND CHILL                -1 -2 -1
MIN CHILL                    -3    -4


DATE           01/20/17  SAT 01/21/17  SUN 01/22/17  MON 01/23/17  TUE 01/24/17
MST 6HRLY     11 17 23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6HRLY     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

MAX/MIN          30      10    25      10    26      10    25       8    23
TEMP          26 27 15   10 20 25 19   10 19 26 15   10 20 25 12    8 18 23
DEWPT         21 20  6    8 11 21 10    5 14 17  8    7 10 18 10    4 11 14
PWIND DIR        SW       S    SW      SW     S       S    SW      SW     W
WIND CHAR        LT      LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    OV B2 B2   B2 B1 B1 B2   B2 SC SC B1   B1 B1 B1 B2   B2 B2 B2
POP 12HR         20      20    20      20    10      20    20      20    20
SNOWSHWRS      S  S  S    S  S  S  S    S        S    S  S  S  S    S  S  S

$$
MTZ055-181100-
BOZEMAN-GALLATIN MT
45.78N 111.16W ELEV. 4475 FT
907 PM MST TUE JAN 17 2017

DATE          TUE 01/17/17      WED 01/18/17            THU 01/19/17         FRI
MST 3HRLY     14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
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                       6          36          18          38          16
TEMP                   12 10  7  8 25 35 29 19 20 18 18 22 32 38 34 25 22 17 16
DEWPT                   3  3  1  4 16 28 22 15 11 11 11 18 20 26 25 24 17 17 14
RH                     66 73 76 83 68 75 75 84 67 73 73 84 61 62 69 96 81100 92
WIND DIR               SE SE  S  S  S SW  S  S  S  S  S  S  S  S  S  S  S  S  S
WIND SPD                3  4  4  9  9 12  8  6  5  5  5  5  5  5  3  3  3  3  4
CLOUDS                 SC FW SC B1 B1 B2 B1 SC SC B1 B1 B2 OV OV OV OV OV OV OV
POP 12HR                      0          10           5          10          40
QPF 12HR                      0           0           0           0        0.04
SNOW 12HR                 00-00       00-00       00-00
SNOWSHWRS                                                         C  C  C  C  C
WIND CHILL                   -2 -5
MIN CHILL                    -2    -6


DATE           01/20/17  SAT 01/21/17  SUN 01/22/17  MON 01/23/17  TUE 01/24/17
MST 6HRLY     11 17 23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6HRLY     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

MAX/MIN          33       8    28       8    30       9    29       5    26
TEMP          27 29 17    8 22 28 16    8 23 30 17    9 23 28  9    6 20 26
DEWPT         20 23 12    6 11 20 10    6 12 20 12    8 12 21  5    5 10 14
PWIND DIR        SW      SW     S      SW     S       S    SW      SW     W
WIND CHAR        LT      LT    LT      LT    LT      GN    LT      LT    LT
AVG CLOUDS    OV B2 B2   B2 B1 B1 B2   B2 B1 B1 B1   B1 B2 B2 B2   B2 B2 B2
POP 12HR         30      20    20      20    20      20    20      20    20
SNOWSHWRS      C  C  S    S  S  S  S    S  S  S  S    S  S  S  S    S  S  S

$$
MTZ055-181100-
WEST YELLOWSTONE-GALLATIN MT
44.66N 111.11W ELEV. 6700 FT
907 PM MST TUE JAN 17 2017

DATE          TUE 01/17/17      WED 01/18/17            THU 01/19/17         FRI
MST 3HRLY     14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
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                     -18          23          14          30          13
TEMP                   -9-15-16-14 10 23 19 14 14 14 17 16 24 29 25 20 14 17 13
DEWPT                 -13-17-19-16  5 14 14 13 11 13 14 14 17 22 21 20 13 16 10
RH                     82 90 86 90 80 68 80 96 88 96 88 92 74 75 84100 96 96 87
WIND DIR                S  S SE  S SW  S SW  S  S  S  S  S  S  S  S  S  S  S  S
WIND SPD                4  5  2  6 17 17  3  6  6  6  6  6  8  8  3  3  3  3  3
CLOUDS                 FW FW SC SC B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 OV OV B2
POP 12HR                      0          20          30          30          40
QPF 12HR                      0           0           0           0        0.04
SNOW 12HR                 00-00       00-00       00-00
SNOWSHWRS                                 S  S  C  C  C  C  C  C  C  C  C  C  C
WIND CHILL            -20-29   -30 -8
MIN CHILL             -20   -32   -30


DATE           01/20/17  SAT 01/21/17  SUN 01/22/17  MON 01/23/17  TUE 01/24/17
MST 6HRLY     11 17 23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6HRLY     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

MAX/MIN          25       4    24       5    23       6    24      -2    21
TEMP          19 21  7    5 19 23  7    7 15 23 12    6 20 22  2   -1 15 20
DEWPT         12 17  5    2 11 21  7    5  7 19 12    4 11 18  1   -4  5 14
PWIND DIR        SW       S     S      SW    SW       S    SW      SW    SW
WIND CHAR        LT      LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    B2 B2 B2   B2 B2 B2 B2   B2 B2 B2 B2   B2 B2 B2 B2   B2 B2 B2
POP 12HR         30      20    30      30    20      30    30      30    30
SNOWSHWRS      C  C  S    S  C  C  C    C  S  S  C    C  C  C  C    C  C  C

$$
MTZ008-181100-
DILLON-BEAVERHEAD MT
45.26N 112.55W ELEV. 5357 FT
907 PM MST TUE JAN 17 2017

DATE          TUE 01/17/17      WED 01/18/17            THU 01/19/17         FRI
MST 3HRLY     14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
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                      17          33          22          35          19
TEMP                   18 18 18 19 27 33 28 22 22 22 26 26 33 34 30 26 23 23 21
DEWPT                   6  8  8 10 17 23 19 15 15 16 19 18 21 25 23 22 17 20 15
RH                     59 64 64 67 65 66 68 74 74 77 74 71 61 69 75 85 77 88 77
WIND DIR                S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S  S
WIND SPD               10 11 12 14 17 19 12 12 11 11 10 10 10 10  8  8  8  8  6
CLOUDS                 FW B1 B1 B2 B2 B2 B2 B1 B1 B1 OV OV OV OV OV OV OV OV OV
POP 12HR                      0          10           5          30          40
QPF 12HR                      0           0           0           0        0.03
SNOW 12HR                 00-00       00-00       00-00
SNOWSHWRS                                             S  S  C  C  C  C  C  C  S


DATE           01/20/17  SAT 01/21/17  SUN 01/22/17  MON 01/23/17  TUE 01/24/17
MST 6HRLY     11 17 23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6HRLY     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

MAX/MIN          32      11    29      11    28      12    27       8    24
TEMP          28 28 14   12 25 28 15   12 24 28 19   12 24 26 11    9 20 24
DEWPT         18 19  7    7 11 22  6    6 12 20 15    7 11 19  6    1  8 14
PWIND DIR         S       S     S      SW     S       S    SW      SW    SW
WIND CHAR        LT      LT    LT      GN    GN      GN    GN      GN    GN
AVG CLOUDS    OV B2 SC   SC B1 B1 B2   B2 SC SC B2   B2 B2 B2 B2   B2 B2 B2
POP 12HR         20      20    20      20    20      30    20      30    30
SNOWSHWRS      S  S  S    S  S  S  S    S  S  S  C    C  S  S  C    C  C  C

$$
MTZ011-181100-
HAVRE-HILL MT
48.54N 109.76W ELEV. 2585 FT
907 PM MST TUE JAN 17 2017

DATE          TUE 01/17/17      WED 01/18/17            THU 01/19/17         FRI
MST 3HRLY     14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
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                      34          46          29          42          28
TEMP                   35 34 35 35 42 44 41 37 35 31 31 29 37 42 39 35 32 30 28
DEWPT                  30 28 29 28 36 38 36 33 31 27 27 24 30 33 32 31 28 28 24
RH                     82 78 78 75 79 79 82 85 85 85 85 81 75 70 76 85 85 92 85
WIND DIR               SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW
WIND SPD               18 17 13 14 19 19 13 13 12 11 10 10 11 11 10 10 10 10 10
CLOUDS                 SC B1 B1 B2 B2 B1 B1 SC SC SC B1 B1 B2 B2 B2 B2 B2 B2 B2
POP 12HR                      0           5           0           5          10
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00


DATE           01/20/17  SAT 01/21/17  SUN 01/22/17  MON 01/23/17  TUE 01/24/17
MST 6HRLY     11 17 23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6HRLY     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

MAX/MIN          38      22    33      21    35      19    30      14    25
TEMP          34 31 25   22 31 31 23   22 31 34 26   19 27 30 20   14 23 24
DEWPT         28 24 23   21 27 25 20   18 23 25 22   16 18 21 18   11 16 16
PWIND DIR        SW       W     W       W    SW       S    SW      SW     W
WIND CHAR        GN      GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    B2 B2 B2   B2 B2 B2 B1   B1 SC SC SC   SC SC SC B2   B2 B2 B2
POP 12HR         10      20    20      20    10      10    10      20    20
SNOWSHWRS            S    S  S  S  S    S                      S    S  S  S

$$
MTZ051-181100-
LEWISTOWN-FERGUS MT
47.05N 109.46W ELEV. 4144 FT
907 PM MST TUE JAN 17 2017

DATE          TUE 01/17/17      WED 01/18/17            THU 01/19/17         FRI
MST 3HRLY     14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05
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          47          30          44          28
TEMP                   34 31 33 32 46 46 39 33 30 31 31 31 43 42 37 31 30 30 29
DEWPT                  22 22 22 21 36 37 31 25 21 23 23 23 30 33 27 24 24 24 24
RH                     61 69 63 63 68 71 73 72 69 72 72 72 60 70 67 75 78 78 81
WIND DIR               SW SW SW SW SW SW SW SW SW SW  S  S SW SW SW SW SW SW  W
WIND SPD               14 14 14 17 19 20 13 12 10 10  9  9 10 10  6  6  4  4  3
CLOUDS                 SC FW FW SC B1 B1 B1 SC FW SC SC B1 B2 B2 OV OV OV OV OV
POP 12HR                      0          10           0          10          30
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN SHWRS                                                        C  C  C  C
SNOWSHWRS                                                               C  C  C


DATE           01/20/17  SAT 01/21/17  SUN 01/22/17  MON 01/23/17  TUE 01/24/17
MST 6HRLY     11 17 23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6HRLY     18 00 06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

MAX/MIN          38      22    31      20    35      19    30      14    25
TEMP          37 32 25   22 31 26 21   21 34 31 22   20 30 23 16   14 23 23
DEWPT         32 23 21   18 23 19 13   16 20 18 10   14 14 16 10    9 12 13
PWIND DIR         W       W     W       W    SW      SW    SW       W     W
WIND CHAR        LT      LT    LT      LT    GN      GN    GN      GN    GN
AVG CLOUDS    OV B2 B2   B2 B1 B1 B1   B1 SC SC SC   SC B1 B1 SC   SC B2 B2
POP 12HR         30      20    20      20    10      10    10      20    20
SNOWSHWRS      C  C  S    S  S  S  S    S                      S    S  S  S

$$
WEATHER.GOV/GREATFALLS




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