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Issued by NWS Great Falls, MT

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POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE GREAT FALLS MT
212 PM MST THU JAN 19 2017

MTZ012-201100-
GREAT FALLS-CASCADE MT
47.47N 111.38W ELEV. 3663 FT
212 PM MST THU JAN 19 2017

DATE          THU 01/19/17      FRI 01/20/17            SAT 01/21/17         SUN
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                      28          37          19          32          20
TEMP             41 36 34 33 31 28 35 37 34 27 24 22 21 19 28 32 31 27 25 22 21
DEWPT            32 28 26 25 25 23 26 25 25 22 19 17 15 13 17 19 21 21 18 16 13
RH               70 72 72 72 78 81 69 61 69 81 81 81 77 77 63 58 66 78 74 77 71
WIND DIR         SW SW SW SW SW SW SW SW  S  S  S SW SW SW SW SW  W  W SW SW SW
WIND SPD         13 12 11 11  9  8  9  5  6  5  8  8  8  5  6  5  8  8 10 10 10
CLOUDS           B2 B2 B2 B2 B2 SC SC SC SC SC SC SC SC SC SC SC B1 B1 B2 B2 B1
POP 12HR                     20          10          10           5          10
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN              S  S


DATE           01/22/17  MON 01/23/17  TUE 01/24/17  WED 01/25/17  THU 01/26/17
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      18    27      14    26      15    28      17    31
TEMP          28 28 24   18 25 25 19   14 24 25 18   15 26 27 20   18 30 29
DEWPT         17 17 18   13 17 17 14   10 15 14 10    8 14 17 12   10 17 18
PWIND DIR        SW       E    NW      NW     W      SW    SW      SW    SW
WIND CHAR        GN      GN    LT      GN    GN      GN    GN      GN    GN
AVG CLOUDS    B1 SC SC   SC B2 B2 OV   OV OV OV B1   B1 SC SC SC   SC SC SC
POP 12HR         10      30    30      20    20      20    10      10    10
SNOW                 C    C  C  C  S    S  S  S  S    S

$$
MTZ010-201100-
CUT BANK-GLACIER MT
48.60N 112.39W ELEV. 3838 FT
212 PM MST THU JAN 19 2017

DATE          THU 01/19/17      FRI 01/20/17            SAT 01/21/17         SUN
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                      24          37          15          32          16
TEMP             40 35 33 30 28 24 33 37 30 19 20 16 16 17 27 32 30 25 24 19 19
DEWPT            31 28 25 24 20 16 21 24 21 14 15 13 11 11 17 21 19 19 17 15 13
RH               70 75 72 78 71 71 61 59 69 80 81 88 80 77 65 63 63 78 74 84 77
WIND DIR          W  W  W SW  W SW SW SW  S  W  W NW NW NW NW NW NW NW  W  W  W
WIND SPD         14 12 11  9  9  8  8  4  8  6  8  6  5  5  6  8 10 10 10 10  9
CLOUDS           B2 B1 B1 B1 SC SC FW FW SC SC SC SC SC SC SC SC SC SC B1 B1 B1
POP 12HR                     10           0           5           5          10
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00


DATE           01/22/17  MON 01/23/17  TUE 01/24/17  WED 01/25/17  THU 01/26/17
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          29      14    27      11    27      15    29      17    32
TEMP          23 23 18   14 25 26 19   11 23 27 20   15 28 28 20   18 31 28
DEWPT         15 15 13   10 17 17 13    7 15 17 11    7 16 16 13   10 18 17
PWIND DIR        SW      NE     N      NW     W       W     W       W     W
WIND CHAR        LT      GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    B1 SC SC   SC OV OV B2   B2 OV OV SC   SC SC SC SC   SC SC SC
POP 12HR         10      30    30      20    20      10    10       5    10
SNOW                 C    C  C  C  S    S  S  S

$$
MTZ014-201100-
HELENA-LEWIS & CLARK MT
46.61N 111.96W ELEV. 3893 FT
212 PM MST THU JAN 19 2017

DATE          THU 01/19/17      FRI 01/20/17            SAT 01/21/17         SUN
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          28           9          25           8
TEMP             32 26 22 19 19 18 22 28 25 17 13 10 10  9 18 25 22 17 14  9  8
DEWPT            23 20 16 15 14 15 16 18 17 11  7  6  5  5  9 15 14 12  6  6  2
RH               69 78 77 84 80 88 77 66 71 77 76 83 80 83 67 65 71 80 70 87 76
WIND DIR          S SW SW SW  W  S  S  S  S  S  S  S  S  S  S  S SW SW SW SW  S
WIND SPD          3  3  3  3  2  2  2  3  3  3  3  3  2  2  2  3  4  4  4  4  4
CLOUDS           OV OV B2 B2 B2 B2 B1 B1 SC SC SC SC B1 B1 B2 B2 OV OV B2 B2 SC
POP 12HR                     20          20          10          10          20
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN              S  S
SNOW                          S  S                                S  S  S  S  S
WIND CHILL                                                                   -1
MIN CHILL                                                                    -1


DATE           01/22/17  MON 01/23/17  TUE 01/24/17  WED 01/25/17  THU 01/26/17
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          24       7    22       5    20       4    22       4    22
TEMP          15 20 14    7 17 21 14    5 17 19 10    4 16 22 11    4 15 22
DEWPT          8 11  8    3  9 14  8    1  8 12  3    0  8 12  6    0  7 12
PWIND DIR         S       S     W      NW     W       W    SW      SW    SW
WIND CHAR        LT      LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    SC SC B2   B2 B1 B1 OV   OV B2 B2 OV   OV B1 B1 B1   B1 SC SC
POP 12HR         20      30    20      20    20      20    20      10    10
SNOW           S  S  C    C  S  S  S    S  S  S  S    S  S  S

$$
MTZ055-201100-
BOZEMAN-GALLATIN MT
45.78N 111.16W ELEV. 4475 FT
212 PM MST THU JAN 19 2017

DATE          THU 01/19/17      FRI 01/20/17            SAT 01/21/17         SUN
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          30           7          28           8
TEMP             32 25 21 21 20 19 24 30 24 14 10  8  8  9 18 28 23 18 13 13  9
DEWPT            24 22 16 18 17 16 19 20 16 11  4  5  2  5  9 16 14 15  8 10  4
RH               72 88 81 88 88 88 81 66 71 88 76 87 76 83 67 60 68 88 80 87 80
WIND DIR          S  S  S  S  S  S SW SW  S SE SE SE SE SE SW SW SW SW  S  S  S
WIND SPD          1  4  4  5  3  4  3  2  3  4  4  3  4  3  3  2  4  4  5  5  5
CLOUDS           OV OV OV OV OV B2 B2 B1 SC SC SC SC B1 B1 B2 B2 B2 B2 OV OV B1
POP 12HR                     30          30          10          10          20
QPF 12HR                   0.01        0.01           0           0           0
SNOW 12HR                     T           T       00-00
RAIN              S  S
SNOW              S  S  S  S  C  C  S  S                          S  S  S  S  S
WIND CHILL                                           -1                      -1
MIN CHILL                                            -1    -1                -1


DATE           01/22/17  MON 01/23/17  TUE 01/24/17  WED 01/25/17  THU 01/26/17
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          28       8    26       5    22       1    23       1    24
TEMP          18 25 14    8 18 26 11    5 16 22  9    1 16 23  6    2 18 24
DEWPT          9 15  8    4  9 16  6    2  6 12  4   -2  7 13  1   -2  9 13
PWIND DIR         S      SE    NE       N    NW       W    SW      SW    SW
WIND CHAR        LT      LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    B1 SC B1   B1 B1 B1 OV   OV OV OV OV   OV B2 B2 B1   B1 B1 B1
POP 12HR         20      20    30      30    20      20    20      10    10
SNOW           S  S  S    S  C  C  C    C  S  S  S    S  S  S

$$
MTZ055-201100-
WEST YELLOWSTONE-GALLATIN MT
44.66N 111.11W ELEV. 6700 FT
212 PM MST THU JAN 19 2017

DATE          THU 01/19/17      FRI 01/20/17            SAT 01/21/17         SUN
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                      12          23           3          24           6
TEMP             21 18 16 15 14 12 18 22 18  6  5  4  5  5 17 24 19 12  8  9  6
DEWPT            16 15 14 13 12 10 12 15 14  5  3  2  2  2 11 16 16 11  6  8  3
RH               81 88 92 92 92 91 77 74 84 96 91 91 87 87 77 71 88 96 91 96 87
WIND DIR         SW  S  S  S  W  S SW SW  S SE SE SE SE  S  S SW SW SW SW SW  S
WIND SPD          4  3  3  3  3  3  4  5  3  1  3  3  2  2  3  5  6  6  6  6  6
CLOUDS           OV OV OV OV OV OV B2 B2 B1 B1 B2 B2 B2 B2 B2 B2 OV OV OV OV B2
POP 12HR                     50          30          10          20          30
QPF 12HR                   0.04        0.03           0        0.01        0.03
SNOW 12HR                     T           T       00-00
SNOW              C  C  C  C  C  C  S  S              S  S  S  S  C  C  C  C  C
WIND CHILL                                     -2 -3                   -3 -2 -6
MIN CHILL                                      -2    -3                -3    -6


DATE           01/22/17  MON 01/23/17  TUE 01/24/17  WED 01/25/17  THU 01/26/17
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          23       7    23       1    20      -6    19      -7    20
TEMP          15 20 13    7 18 22  8    1 14 19 -2   -5 13 18 -2   -5 13 19
DEWPT          9 16 11    5 11 19  7   -1  6 13 -5   -7  5 12 -3   -7  5 12
PWIND DIR         S       S     E      NW     N      NW     W      SW    SW
WIND CHAR        GN      LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    B2 B2 OV   OV OV OV OV   OV B2 B2 B2   B2 B1 B1 B1   B1 B1 B1
POP 12HR         40      40    50      40    20      20    20      10    10
SNOW           C  C  C    C  C  C  C    C  S  S  S    S  S  S

$$
MTZ008-201100-
DILLON-BEAVERHEAD MT
45.26N 112.55W ELEV. 5357 FT
212 PM MST THU JAN 19 2017

DATE          THU 01/19/17      FRI 01/20/17            SAT 01/21/17         SUN
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                      16          31          11          30          11
TEMP             35 27 24 19 20 16 25 31 25 14 13 11 15 14 25 30 26 22 19 13 13
DEWPT            25 20 18 15 15 12 17 18 17  9  6  6  8  8 15 17 17 17 11  8  6
RH               66 74 77 84 81 84 71 58 71 80 73 80 73 76 65 58 68 81 70 80 73
WIND DIR          W SE  S SE  S  S SW  S  S  S  S  S  S  S SW SW SW SW  S  S  S
WIND SPD          2  3  5  4  6  6  6  5  6  8  8  8  6  6  6  4  6  6  9  9  9
CLOUDS           B2 OV B2 B2 B2 B2 SC SC SC SC SC B1 B2 B2 B2 B2 B2 B2 B2 B2 SC
POP 12HR                     20          20          10          20          20
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00
SNOW              S  S  S  S  S  S                    S  S  S  S  S  S  S  S  S
WIND CHILL                                        -1
MIN CHILL                                            -1


DATE           01/22/17  MON 01/23/17  TUE 01/24/17  WED 01/25/17  THU 01/26/17
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          29      12    26       8    23       4    22       6    25
TEMP          23 26 18   12 23 24 17    8 20 21  8    4 17 22 11    7 22 24
DEWPT         12 17 11    8 13 18 11    4 10 14  3   -1  6 11  4    1 11 11
PWIND DIR         S       S    NE       N    NW       W    SW      SW     S
WIND CHAR        GN      GN    LT      GN    LT      LT    GN      GN    GN
AVG CLOUDS    SC B1 B2   B2 B2 B2 OV   OV OV OV OV   OV B1 B1 SC   SC SC SC
POP 12HR         20      20    30      30    20      20    20      10    10
SNOW           S  S  S    S  C  C  C    C  S  S  S    S  S  S

$$
MTZ011-201100-
HAVRE-HILL MT
48.54N 109.76W ELEV. 2585 FT
212 PM MST THU JAN 19 2017

DATE          THU 01/19/17      FRI 01/20/17            SAT 01/21/17         SUN
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                      28          37          20          31          19
TEMP             40 36 34 32 31 28 34 37 32 26 25 22 21 21 28 31 27 25 24 20 20
DEWPT            33 31 30 28 27 24 28 28 25 21 21 19 19 18 21 23 20 20 19 16 16
RH               76 82 85 85 85 85 78 70 75 81 84 88 92 88 75 72 74 81 81 84 84
WIND DIR         SW SW SW SW SW SW SW SW SW SW SW SW  W SW SW SW  W  W  W  W  W
WIND SPD         11 11 11 10 10 10 10 10  8  6  8  6  8  9 10 12 10 10 10 10  9
CLOUDS           B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC
POP 12HR                     10          10          10           5          10
QPF 12HR                      0           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00


DATE           01/22/17  MON 01/23/17  TUE 01/24/17  WED 01/25/17  THU 01/26/17
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      16    27      15    26      12    26      13    29
TEMP          27 26 20   16 25 26 21   15 24 25 14   13 23 26 19   13 26 29
DEWPT         20 19 15   13 19 19 17   12 17 18  9    9 14 17 14    8 17 20
PWIND DIR         W       E    NE       N     W      SW     W      SW     W
WIND CHAR        GN      GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    SC B1 SC   SC OV OV OV   OV OV OV B1   B1 B1 B1 SC   SC SC SC
POP 12HR         10      30    30      20    20      20    10      10    10
SNOW                 C    C  C  C  S    S  S  S  S    S

$$
MTZ051-201100-
LEWISTOWN-FERGUS MT
47.05N 109.46W ELEV. 4144 FT
212 PM MST THU JAN 19 2017

DATE          THU 01/19/17      FRI 01/20/17            SAT 01/21/17         SUN
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                      29          37          17          33          19
TEMP             39 34 33 32 30 30 36 36 32 27 24 21 19 18 31 32 28 23 23 22 19
DEWPT            34 30 29 28 27 26 29 26 25 23 19 15 12 12 19 19 17 18 15 17 13
RH               82 85 85 85 88 85 75 67 75 85 81 77 74 77 61 58 63 81 71 81 77
WIND DIR         SW SW SW SW SW SW SW  W SE  S  S  S SW SW  W  W  W  W  W  W SW
WIND SPD          6  5  4  4  4  4  3  3  3  5  4  4  4  4  4  4  5  5  6  6  6
CLOUDS           OV OV OV OV OV B2 B2 B1 B1 B1 SC SC SC FW SC FW B1 B1 B2 B2 B1
POP 12HR                     40          20          10           0          10
QPF 12HR                   0.01           0           0           0           0
SNOW 12HR                 00-00       00-00       00-00
RAIN              C  C  S  S
SNOW                          S  S  S  S


DATE           01/22/17  MON 01/23/17  TUE 01/24/17  WED 01/25/17  THU 01/26/17
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      16    26      13    25      12    27      14    30
TEMP          30 26 22   16 23 22 19   13 24 22 18   12 27 23 18   15 30 24
DEWPT         17 15 16   12 18 18 15   10 15 12 10    7 14 12  7    8 15 16
PWIND DIR        SW       S     W      NW    NW       W     W       W     W
WIND CHAR        LT      LT    LT      LT    LT      LT    LT      GN    GN
AVG CLOUDS    B1 SC SC   SC B1 B1 OV   OV OV OV B2   B2 B1 B1 SC   SC B1 B1
POP 12HR         10      20    30      30    20      20    20      10    10
SNOW                 S    S  C  C  C    C  S  S  S    S  S  S

$$
WEATHER.GOV/GREATFALLS




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