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Issued by NWS Great Falls, MT

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POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE GREAT FALLS MT
326 AM MST SUN JAN 22 2017

MTZ012-222300-
GREAT FALLS-CASCADE MT
47.47N 111.38W ELEV. 3663 FT
326 AM MST SUN JAN 22 2017

DATE                SUN 01/22/17            MON 01/23/17            TUE 01/24/17
MST 3HRLY     02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
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                      30          11          27          12          26
TEMP             20 18 24 28 26 23 20 18 17 16 24 26 24 19 18 17 16 12 23 26 24
DEWPT            16 14 18 21 18 19 17 15 14 14 18 17 17 16 15 14 12  9 14 14 13
RH               84 84 77 75 71 84 88 88 88 92 77 68 74 88 88 88 84 87 68 60 62
WIND DIR         SW SW SW SE NE NE  N  N  N  W NW NW  N  N NW NW NW NW  W  W  W
WIND SPD          5  5  4  4  6  6  5  4  6  5  8  8  8  8  6  6  8  8  6  6  6
CLOUDS           B1 SC SC SC B2 B2 OV OV B2 B2 B2 B2 OV OV OV OV OV OV OV OV B2
POP 12HR                     10          40          40          40          30
QPF 12HR                      0        0.04        0.02        0.02        0.02
SNOW 12HR                 00-00           1           T
FRZG DRZL                                       S  S  S  S  S  S
SNOW                          S  C  C  C  C  C  C  C  C  C  C  C  C  C  S  S  S


DATE               WED 01/25/17  THU 01/26/17  FRI 01/27/17  SAT 01/28/17
MST 6HRLY     23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6HRLY     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

MIN/MAX            14    29      14    28      17    34      20    37
TEMP          18   14 28 26 17   14 24 28 20   18 30 33 21   22 32 37
DEWPT         13    9 15 14 10    8 10 17 14   12 17 19 15   14 19 23
PWIND DIR          SW    SW      SW    SW      SW    SW      SW    SW
WIND CHAR          GN    GN      GN    BZ      BZ    BZ      BZ    BZ
AVG CLOUDS    B2   B2 B2 B2 SC   SC FW FW B1   B1 FW FW FW   FW CL CL
POP 12HR           20    10       5     0       0     5       0     5
SNOW           S

$$
MTZ010-222300-
CUT BANK-GLACIER MT
48.60N 112.39W ELEV. 3838 FT
326 AM MST SUN JAN 22 2017

DATE                SUN 01/22/17            MON 01/23/17            TUE 01/24/17
MST 3HRLY     02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
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                      26          12          25          10          25
TEMP             18 17 22 25 24 21 19 17 17 15 22 24 22 19 17 12 14 10 21 25 22
DEWPT            16 15 19 20 20 20 18 17 16 14 18 17 16 18 15 11 11  8 14 15 12
RH               92 92 88 81 84 96 96100 96 96 84 74 77 96 92 96 88 91 74 65 65
WIND DIR         NW NW  E  E  E  E NE  N  N  N  N  N  N  N  N  N NW NW  W  W NW
WIND SPD          4  3  3  5  6  5  5  4 10 11 11 12 11 11 10 10  9  9  8  8  9
CLOUDS           B1 B2 B2 B2 B2 OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B1
POP 12HR                     20          50          50          30          20
QPF 12HR                   0.01        0.08        0.06        0.02        0.02
SNOW 12HR                     T           1           1
FRZG DRZL         S  S  S  S  S
SNOW              S  S           C  C  C  C  C  C  C  C  C  C  C  S  S  S  S  S
OBVIS            PF PF
WIND CHILL                                                    -1    -3
MIN CHILL                                                        -1    -3


DATE               WED 01/25/17  THU 01/26/17  FRI 01/27/17  SAT 01/28/17
MST 6HRLY     23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6HRLY     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

MIN/MAX            12    29      14    31      18    36      20    37
TEMP          17   14 28 25 17   15 28 30 22   19 33 35 24   21 36 36
DEWPT         11    8 16 13 11   10 16 19 16   13 21 22 19   14 26 22
PWIND DIR           W     W       W     W       W     W       W     W
WIND CHAR          GN    GN      BZ    BZ      BZ    BZ      BZ    BZ
AVG CLOUDS    B1   B1 B1 B1 CL   CL FW FW SC   SC FW FW CL   CL FW FW
POP 12HR           20     5       0     0       0     0       0     0
SNOW           S

$$
MTZ014-222300-
HELENA-LEWIS & CLARK MT
46.61N 111.96W ELEV. 3893 FT
326 AM MST SUN JAN 22 2017

DATE                SUN 01/22/17            MON 01/23/17            TUE 01/24/17
MST 3HRLY     02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
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                      27           9          22           7          20
TEMP             13 12 19 27 25 22 18 17 13 12 17 22 20 17 15 11 10  7 15 20 16
DEWPT             7  7 13 19 19 18 15 14  9 10 11 12 12 10  8  6  4  3  7 10  8
RH               76 80 77 71 78 84 88 88 84 91 77 65 71 73 73 80 76 83 70 64 70
WIND DIR         SW SW  E NE  N  W  W  W  W  W NW NW NW NW NW NW NW NW NW NW  W
WIND SPD          2  2  3  4  4  4  4  3  3  4  4  5  6  6  4  4  3  3  3  3  4
CLOUDS           B1 SC SC B1 OV OV OV OV B1 B1 B1 B1 B2 B2 OV OV OV OV OV OV OV
POP 12HR                     20          40          20          30          20
QPF 12HR                   0.01        0.03        0.02        0.02        0.02
SNOW 12HR                     T           T           T
FRZG DRZL                                 S  S  S  S  S  S
SNOW                          C  C  C  C  S  S  S  S  C  C  C  C  S  S  S  S  S
OBVIS            PF PF


DATE               WED 01/25/17  THU 01/26/17  FRI 01/27/17  SAT 01/28/17
MST 6HRLY     23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6HRLY     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

MIN/MAX             5    21       0    21      -3    24       8    26
TEMP          12    5 14 21  7    0 11 21  8   -3 12 24 11    8 15 26
DEWPT          6    0  5  9  1   -4  4 10  2   -7  5 12  5    3  8 14
PWIND DIR           W    SW      SW    SW      SW    SW      SW    SW
WIND CHAR          LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    OV   B2 B2 B2 SC   SC FW FW SC   SC SC SC SC   SC FW FW
POP 12HR           20    10       5     5       5     0       5     5
SNOW           S    S

$$
MTZ055-222300-
BOZEMAN-GALLATIN MT
45.78N 111.16W ELEV. 4475 FT
326 AM MST SUN JAN 22 2017

DATE                SUN 01/22/17            MON 01/23/17            TUE 01/24/17
MST 3HRLY     02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
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                      30          14          25           8          20
TEMP             15 14 22 30 29 20 15 15 14 14 19 25 23 17 12 14 11  8 15 20 17
DEWPT             9  9 16 21 21 16 11 12 10 12 13 17 17 15 10 12  8  6  9 12 10
RH               77 80 77 69 72 84 84 88 84 92 77 71 77 92 91 92 87 91 77 71 73
WIND DIR         SE SE SE SW SE SE SE  S  S  S NW NW NW NW NW NW  W  W  W  W  W
WIND SPD          4  4  3  3  4  5  4  3  4  4  4  4  4  4  5  5  4  4  4  4  3
CLOUDS           B1 SC SC B2 OV OV OV B2 B2 B2 B2 B2 B2 B2 OV OV OV OV OV OV B2
POP 12HR                     20          20          40          50          30
QPF 12HR                   0.01        0.02        0.04        0.06        0.02
SNOW 12HR                     T           T           1
FRZG DRZL                                 S  S  S  S
SNOW                       S  S  S  S  S  S  S  C  C  C  C  C  C  C  C  C  C  C
OBVIS            PF PF
WIND CHILL                                                          -1
MIN CHILL                                                              -1


DATE               WED 01/25/17  THU 01/26/17  FRI 01/27/17  SAT 01/28/17
MST 6HRLY     23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6HRLY     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

MIN/MAX            -1    19      -2    18      -1    22       2    26
TEMP           3   -1 10 19  3   -2 12 18  5   -1 13 22  5    4 17 26
DEWPT          0   -4  4  9 -2   -5  6  8  1   -4  7 12  1    0 10 15
PWIND DIR          SW    SW      SW    SW      SW    SW      SW    SW
WIND CHAR          LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    B2   B2 B2 B2 B1   B1 B1 B1 B1   B1 B1 B1 SC   SC FW FW
POP 12HR           30    10      10     5      10     5       5     5
SNOW           C    S

$$
MTZ055-222300-
WEST YELLOWSTONE-GALLATIN MT
44.66N 111.11W ELEV. 6700 FT
326 AM MST SUN JAN 22 2017

DATE                SUN 01/22/17            MON 01/23/17            TUE 01/24/17
MST 3HRLY     02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
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                      24          14          24           2          18
TEMP             16 15 21 24 24 19 16 16 15 15 20 24 19 13 10  7  3  2 12 18 14
DEWPT            14 13 18 19 21 18 13 14 13 13 17 18 17 12  9  5  1  1  7 11  9
RH               92 92 88 81 88 96 88 92 92 92 88 77 92 96 96 91 91 95 80 73 80
WIND DIR         SW  S  S  S  S  S  S  S  S  S NE  W NW NW NW NW  N  N  N  N NW
WIND SPD          4  4  6  8  5  4  4  5  4  4  5  8  6  6  5  5  5  5  5  5  6
CLOUDS           B2 B2 B2 OV OV OV OV OV B2 B2 B2 B2 OV OV B2 B2 B2 B2 B2 B2 B2
POP 12HR                     50          70          60          60          30
QPF 12HR                   0.03        0.09        0.12        0.06        0.02
SNOW 12HR                     1           1           2
FRZG DRZL                                 S  S
SNOW              C  C  C  C  L  L  L  L  C  C  L  L  L  L  C  C  C  C  S  S  S
OBVIS            PF PF
WIND CHILL                                                    -3 -8 -9
MIN CHILL                                                        -8    -9


DATE               WED 01/25/17  THU 01/26/17  FRI 01/27/17  SAT 01/28/17
MST 6HRLY     23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6HRLY     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

MIN/MAX            -6    15      -9    15      -9    20      -7    19
TEMP          -2   -6 10 14 -3   -8 10 14 -4   -8 11 19  0   -6 12 18
DEWPT         -4   -7  4  9 -6   -9  2  9 -7   -9  3 17 -1   -7  5 13
PWIND DIR           W    SW      SW    SW      SW    SW      SW    SW
WIND CHAR          LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    B2   B2 B2 B2 B2   B2 B2 B2 B1   B1 B1 B1 B1   B1 SC SC
POP 12HR           20    30      20    20      10     5       5     5
SNOW           S    S
SNOWSHWRS              C  C  S    S  S  S

$$
MTZ008-222300-
DILLON-BEAVERHEAD MT
45.26N 112.55W ELEV. 5357 FT
326 AM MST SUN JAN 22 2017

DATE                SUN 01/22/17            MON 01/23/17            TUE 01/24/17
MST 3HRLY     02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
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                      29          14          29           8          24
TEMP             14 13 22 28 26 23 21 18 17 15 22 29 24 20 19 15 14  8 20 24 19
DEWPT             7  6 15 19 20 18 17 13 12 11 15 18 18 16 15 10  9  3 11 13 12
RH               73 73 74 68 78 81 84 80 80 84 74 63 77 84 84 80 80 79 67 62 74
WIND DIR          S  S  S  S  S  S  S  S  S SW  W  N  N  N  N  N  N  N  W  W SW
WIND SPD          9  8  6 10 10  8  6  6  8  8  8  5  6  6  8  8  6  6  8  8  6
CLOUDS           SC FW B1 B2 OV OV B2 B2 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 OV OV B2
POP 12HR                     30          30          40          50          30
QPF 12HR                   0.01        0.02        0.04        0.05        0.02
SNOW 12HR                     T           T           1
FRZG DRZL                                 S  S
SNOW                       S  C  C  C  S  S  S  C  C  C  C  C  C  C  C  S  S  S
OBVIS            PF PF
WIND CHILL                                                          -3
MIN CHILL                                                              -3


DATE               WED 01/25/17  THU 01/26/17  FRI 01/27/17  SAT 01/28/17
MST 6HRLY     23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6HRLY     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

MIN/MAX             7    21       4    22       6    26       9    31
TEMP          12    7 16 20  8    5 17 22 12    6 19 26 12   11 22 31
DEWPT          6    0  5  6 -2   -1  2 10  6    1  7  9  5   -1  6 14
PWIND DIR          SW    SW       S     S      SW    SW       S     S
WIND CHAR          LT    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    B2   B2 B2 B2 B1   B1 B1 B1 SC   SC SC SC SC   SC SC SC
POP 12HR           20    10      10     5       5     5       5     5
SNOW           S    S

$$
MTZ011-222300-
HAVRE-HILL MT
48.54N 109.76W ELEV. 2585 FT
326 AM MST SUN JAN 22 2017

DATE                SUN 01/22/17            MON 01/23/17            TUE 01/24/17
MST 3HRLY     02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
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                      29          15          28          13          24
TEMP             21 21 25 28 24 17 20 18 17 17 24 27 27 21 21 16 17 13 19 23 23
DEWPT            20 20 23 24 21 16 17 17 15 15 19 21 20 17 17 13 13 10 12 15 15
RH               96 96 92 85 88 96 88 96 92 92 81 78 74 84 84 88 84 87 74 71 71
WIND DIR          W SW  W  W NE  E NE NE  E  E NE  N  N  N NW NW  W  W  W  W  W
WIND SPD          6  5  4  3  4  5  6  8  8  9  8  8  5  5  6  6  8  8 10 10  9
CLOUDS           B2 OV OV SC SC B2 OV B2 OV OV OV OV OV OV OV OV OV OV B2 B2 B2
POP 12HR                     10          40          50          30          20
QPF 12HR                      0        0.02        0.06        0.02        0.02
SNOW 12HR                 00-00           T           1
FRZG DRZL         S  S  S  S  S  S  S                 S  S  S  S
SNOW              S  S              C  C  C  C  C  C  C  C  C  C  S  S  S  S  S
OBVIS            PF PF


DATE               WED 01/25/17  THU 01/26/17  FRI 01/27/17  SAT 01/28/17
MST 6HRLY     23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6HRLY     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

MIN/MAX             9    25       9    26      14    32      18    35
TEMP          14    9 22 24 15    9 20 26 19   14 27 32 22   18 27 35
DEWPT          9    5 14 15  9    5 10 18 14   10 17 23 16   14 19 27
PWIND DIR           W     W      SW     W       W     W      SW     W
WIND CHAR          GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    B2   B2 B2 B2 SC   SC FW FW SC   SC FW FW FW   FW FW FW
POP 12HR           20    10       5     0       0     0       0     0
SNOW           S    S

$$
MTZ051-222300-
LEWISTOWN-FERGUS MT
47.05N 109.46W ELEV. 4144 FT
326 AM MST SUN JAN 22 2017

DATE                SUN 01/22/17            MON 01/23/17            TUE 01/24/17
MST 3HRLY     02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17
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                      32          15          25          13          23
TEMP             22 20 27 31 27 24 23 21 17 16 22 25 22 20 19 17 15 13 20 23 21
DEWPT            15 15 20 23 19 18 16 16 12 12 16 18 15 16 14 14 11  9 12 14 12
RH               74 81 74 72 71 77 74 81 80 84 77 74 74 84 80 88 84 84 71 68 68
WIND DIR         SW SW SW  S SE SE  E SE  E  W NW NW NW NW NW NW NW NW NW NW NW
WIND SPD          5  4  3  4  6  5  5  5  5  5  5  8  8  8  8  8  8  8  8  8  6
CLOUDS           SC FW FW FW B1 B2 OV OV B2 B2 B2 B2 OV OV OV OV OV OV OV OV B2
POP 12HR                     10          20          40          40          30
QPF 12HR                      0        0.02        0.02        0.04        0.02
SNOW 12HR                 00-00           T           T
FRZG DRZL                                       S  S  S  S  S  S
SNOW                             S  S  S  S  S  C  C  C  C  C  C  C  C  S  S  S
OBVIS            PF PF


DATE               WED 01/25/17  THU 01/26/17  FRI 01/27/17  SAT 01/28/17
MST 6HRLY     23   05 11 17 23   05 11 17 23   05 11 17 23   05 11 17
UTC 6HRLY     06   12 18 00 06   12 18 00 06   12 18 00 06   12 18 00

MIN/MAX            10    25      10    26      15    33      18    36
TEMP          15   12 24 23 17   10 25 25 21   15 31 31 21   19 32 36
DEWPT          8    6 12 12  6    4 10 10 11    9 13 17 11   12 17 23
PWIND DIR           W     W       W     W       W     W       W     W
WIND CHAR          LT    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    B2   B2 B2 B2 B1   B1 FW FW SC   SC SC SC FW   FW FW FW
POP 12HR           20    20      10     5       5     5       0     0
SNOW           S    S
SNOWSHWRS              S  S

$$
WEATHER.GOV/GREATFALLS




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