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Issued by NWS Great Falls, MT

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POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE GREAT FALLS MT
832 PM MST SUN JAN 22 2017

MTZ012-231100-
GREAT FALLS-CASCADE MT
47.47N 111.38W ELEV. 3663 FT
832 PM MST SUN JAN 22 2017

DATE          SUN 01/22/17      MON 01/23/17            TUE 01/24/17         WED
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                      15          27          13          25          13
TEMP                   20 19 18 15 26 26 25 20 19 17 16 13 22 25 23 15 16 14 14
DEWPT                  16 16 15 13 20 17 18 17 17 15 13 11 13 13 13 10 11 10  9
RH                     84 88 88 92 78 68 74 88 92 92 88 91 68 60 65 80 80 84 80
WIND DIR               NE  N NW  W  W NW  N NW NW  W NW NW  W  W  W  W SW SW SW
WIND SPD                5  2  6  6  8  9  9  8  6  6  8  8  5  5  5  5  6  6  8
CLOUDS                 OV OV B2 B2 B2 B2 OV OV OV OV OV OV B2 B2 B2 B2 B2 B2 B2
POP 12HR                     80          80          50          20          20
QPF 12HR                   0.05        0.03        0.03           0           0
SNOW 12HR                     1           1           1
SNOW                    D  D  D  D  C  C  C  C  C  C  S  S  S  S  S  S
OBVIS                  F+ F+ F+ F+
FREEZING FOG            Y  Y  Y  Y


DATE           01/25/17  THU 01/26/17  FRI 01/27/17  SAT 01/28/17  SUN 01/29/17
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      13    29      16    32      20    38      24    39
TEMP          25 27 15   14 25 29 18   18 29 32 20   25 34 38 26   28 38 38
DEWPT         13 16  9    8 12 18 11   11 16 20 14   16 20 24 20   17 22 24
PWIND DIR        SW      SW    SW      SW    SW      SW    SW      SW    SW
WIND CHAR        GN      GN    GN      GN    BZ      GN    BZ      BZ    BZ
AVG CLOUDS    B2 B1 SC   SC FW FW SC   SC FW FW FW   FW FW FW SC   SC SC SC
POP 12HR         10       5     5       5     0       5     5       5     5

$$
MTZ010-231100-
CUT BANK-GLACIER MT
48.60N 112.39W ELEV. 3838 FT
832 PM MST SUN JAN 22 2017

DATE          SUN 01/22/17      MON 01/23/17            TUE 01/24/17         WED
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                      14          25          11          24          12
TEMP                   19 14 15 15 20 25 23 18 16 14 14 11 21 24 21 14 15 12 15
DEWPT                  18 13 14 14 16 18 17 17 14 13 12 10 14 15 12 12  9  8  8
RH                     96 96 96 96 84 74 77 96 92 96 92 96 74 68 68 92 77 84 73
WIND DIR               NE NE  N  N  N  N  N  N NW NW NW NW NW NW  W  W  W  W  W
WIND SPD                5  4 10 12 11 13 11  9 10  9  9  9  8  8  8  8 10 10 11
CLOUDS                 OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B1 B1 B1 B1 B1
POP 12HR                     80          80          40          20          10
QPF 12HR                   0.13        0.10        0.01           0           0
SNOW 12HR                     2           2           T
SNOW                    D  D  D  D  C  C  C  C  S  S  S  S
OBVIS                  F+ F+ F+ F+    BS
WIND CHILL                                              -2                -1
MIN CHILL                                                  -2                -1
FREEZING FOG            Y  Y  Y  Y


DATE           01/25/17  THU 01/26/17  FRI 01/27/17  SAT 01/28/17  SUN 01/29/17
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      13    30      18    34      20    39      25    39
TEMP          25 23 16   14 27 29 22   18 32 33 22   23 36 38 28   26 38 37
DEWPT         14 12 10    8 15 18 16   12 21 21 17   18 26 24 22   18 25 24
PWIND DIR         W       W     W       W     W       W     W       W    SW
WIND CHAR        GN      GN    BZ      BZ    BZ      BZ    BZ      BZ    BZ
AVG CLOUDS    B1 SC FW   FW FW FW SC   SC FW FW FW   FW FW FW SC   SC SC SC
POP 12HR         10       5     0       0     0       0     5       5     5

$$
MTZ014-231100-
HELENA-LEWIS & CLARK MT
46.61N 111.96W ELEV. 3893 FT
832 PM MST SUN JAN 22 2017

DATE          SUN 01/22/17      MON 01/23/17            TUE 01/24/17         WED
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                      11          22           6          19           4
TEMP                   18 17 14 11 17 22 19 16 13 11  8  6 13 19 14 10  9  6  5
DEWPT                  14 13 10  9 11 12 11 10  7  6  2  2  5  9  6  5  4  3  1
RH                     84 84 84 91 77 65 70 77 76 80 76 83 70 64 70 80 80 87 83
WIND DIR                W  W  W NW NW NW NW NW NW NW NW NW  W  W  W  W  W  W SW
WIND SPD                4  3  3  4  4  5  6  5  4  3  3  3  3  3  2  2  3  3  2
CLOUDS                 B2 OV B1 B1 B1 B1 B2 B2 OV OV OV OV OV OV OV OV B2 B2 B2
POP 12HR                     70          20          30          20          20
QPF 12HR                   0.04           0        0.01           0           0
SNOW 12HR                     1       00-00           T
SNOW                    L  C  S  S  S  S  C  C  C  C  S  S  S  S  S  S  S  S
OBVIS                  PF PF PF PF
WIND CHILL                                              -1                -1
MIN CHILL                                                  -1                -2


DATE           01/25/17  THU 01/26/17  FRI 01/27/17  SAT 01/28/17  SUN 01/29/17
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          21       4    20       4    23       7    27      10    28
TEMP          13 18  8    4 13 20 10    4 15 23 12    7 15 27 16   10 18 28
DEWPT          5  9  2   -1  5  9  4    0  9 12  6    2  9 15  9    4 13 17
PWIND DIR        SW      SW    SW      SW    SW      SW     S      SW     S
WIND CHAR        LT      LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    B2 B2 SC   SC SC SC SC   SC SC SC SC   SC SC SC SC   SC B1 B1
POP 12HR         10      10     5       5     5       5     5       5     5

$$
MTZ055-231100-
BOZEMAN-GALLATIN MT
45.78N 111.16W ELEV. 4475 FT
832 PM MST SUN JAN 22 2017

DATE          SUN 01/22/17      MON 01/23/17            TUE 01/24/17         WED
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                      13          25           5          19           1
TEMP                   17 17 15 13 19 24 22 13  9  9  8  5 13 19 16  7  4  3  2
DEWPT                  12 14 12 11 13 16 15 11  6  7  5  2  7 11 10  5  1  1 -1
RH                     80 88 88 91 77 71 74 91 87 91 87 87 76 70 77 91 87 91 87
WIND DIR               SE SW  S SW  W NW NW  W NW NW  W  W  W  W SW SW SW SW SW
WIND SPD                4  3  4  4  4  4  4  4  5  4  4  4  4  4  2  2  3  3  4
CLOUDS                 OV OV B1 B1 B2 B2 B2 B2 OV OV OV OV OV OV B2 B2 B2 B2 OV
POP 12HR                     50          30          50          30          30
QPF 12HR                   0.03        0.01        0.04           0        0.01
SNOW 12HR                     T           T           1
SNOW                    C  C  S  S  C  C  C  C  C  C  C  C  S  S  C  C  S  S  S
OBVIS                  PF PF PF PF
WIND CHILL                                     -1    -1 -4             -3 -4 -8
MIN CHILL                                      -1    -1    -4          -3    -8


DATE           01/25/17  THU 01/26/17  FRI 01/27/17  SAT 01/28/17  SUN 01/29/17
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          19       0    18      -2    21       1    26       5    30
TEMP          12 17  4    1 12 18  3   -1 12 21  6    2 17 26  9    7 22 30
DEWPT          6  8  0   -2  6  9 -1   -4  5 11  2   -2 10 15  5    2 16 20
PWIND DIR        SW      SW    SW      SW    SW      SW    SW      SW    SW
WIND CHAR        LT      LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    OV B2 B1   B1 B1 B1 SC   SC SC SC SC   SC SC SC SC   SC SC SC
POP 12HR         20      10    10      10     5       5     5       5     5
SNOW           S  S

$$
MTZ055-231100-
WEST YELLOWSTONE-GALLATIN MT
44.66N 111.11W ELEV. 6700 FT
832 PM MST SUN JAN 22 2017

DATE          SUN 01/22/17      MON 01/23/17            TUE 01/24/17         WED
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                      14          24           0          18          -6
TEMP                   20 20 15 15 20 24 20 12 11  8  4  0 11 17 15  2  0 -3 -5
DEWPT                  17 18 13 13 17 18 16 11  9  5  2 -2  6 10 10  1 -2 -4 -7
RH                     88 92 92 92 88 77 84 96 91 87 91 91 80 73 80 95 91 95 91
WIND DIR                S  S  S SE NE NW  N  N  N  N  N  N  N  N  W  W SW SW SW
WIND SPD                4  3  4  4  5  8  8  5  6  5  5  5  5  5  2  2  2  2  2
CLOUDS                 OV OV OV OV B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B2 B2 B2 B2 B2
POP 12HR                     80          70          70          20          20
QPF 12HR                   0.10        0.12        0.08           0           0
SNOW 12HR                     2           2           1
SNOW                    D  D  L  L  L  L  L  L  C  C  S  S  S  S  S  S  S  S  S
OBVIS                  PF PF PF PF
WIND CHILL                                        -2 -7-12
MIN CHILL                                            -7   -12                -5


DATE           01/25/17  THU 01/26/17  FRI 01/27/17  SAT 01/28/17  SUN 01/29/17
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          15      -7    15     -13    18      -8    20      -4    23
TEMP           9 12 -2   -6  9 14 -8  -11  9 18 -1   -7 11 20  3   -3 16 23
DEWPT          4  7 -4   -7  2  9-11  -12  1 16 -3   -8  3 16  0   -5  9 17
PWIND DIR        SW      SW    SW      SW    SW      SW     S      SW     S
WIND CHAR        LT      LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    B2 B2 B2   B2 B1 B1 B1   B1 B1 B1 SC   SC SC SC SC   SC SC SC
POP 12HR         20      20    20      10     5       5     0       0     0
SNOW           S  S  S    S  S  S

$$
MTZ008-231100-
DILLON-BEAVERHEAD MT
45.26N 112.55W ELEV. 5357 FT
832 PM MST SUN JAN 22 2017

DATE          SUN 01/22/17      MON 01/23/17            TUE 01/24/17         WED
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                      14          30          10          24           7
TEMP                   20 20 17 14 24 30 27 21 17 14 12 11 19 24 19 13 12 10  9
DEWPT                  16 15 12 10 17 19 20 16 13  8  7  5 11 13 11  8  6  3  2
RH                     84 81 80 84 74 63 74 81 84 76 80 76 70 62 70 80 76 73 72
WIND DIR                S  S  S SW  W  N  N NE  N  N NW NW  W  W SW SW SW SW SW
WIND SPD                5  6  8  8  8  5  6  6  8  9  8  8  8  8  4  4  6  6  8
CLOUDS                 OV B2 SC SC B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2
POP 12HR                     60          30          30          20          20
QPF 12HR                   0.03        0.03        0.02           0           0
SNOW 12HR                     1           1           T
SNOW                    L  C  C  C  C  C  C  C  C  C  S  S  S  S  S  S  S  S
OBVIS                  PF PF PF PF
WIND CHILL                                              -1                -1 -3
MIN CHILL                                                  -2                -3


DATE           01/25/17  THU 01/26/17  FRI 01/27/17  SAT 01/28/17  SUN 01/29/17
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          22       5    21       4    24       8    31      13    35
TEMP          16 20 10    5 17 20  9    4 15 24 11   10 22 31 16   15 30 34
DEWPT          7  8  2   -1  5  7  3   -2  3  7  4   -1  8 13  7    6 17 15
PWIND DIR        SW      SW     S      SW     S       S     S       S     S
WIND CHAR        LT      LT    GN      LT    GN      LT    GN      LT    GN
AVG CLOUDS    B2 B1 B1   B1 B1 B1 SC   SC SC SC FW   FW SC SC SC   SC SC SC
POP 12HR         10      10    10       5     5       5     5       5     5

$$
MTZ011-231100-
HAVRE-HILL MT
48.54N 109.76W ELEV. 2585 FT
832 PM MST SUN JAN 22 2017

DATE          SUN 01/22/17      MON 01/23/17            TUE 01/24/17         WED
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          27          13          23           8
TEMP                   19 17 17 16 23 27 25 20 19 17 15 13 21 22 21 12 11 10  8
DEWPT                  18 16 15 14 18 21 19 17 15 14 11  9 14 14 14  8  6  7  4
RH                     96 96 92 92 81 78 78 88 84 88 84 84 74 71 74 84 80 87 83
WIND DIR               NE NE  E  E NE  N  N  N NW  W  W  W  W  W  W  W  W  W  W
WIND SPD                8  8  9  9  9  8  5  6  6  8  8  8 10 10  8  8  6  6  8
CLOUDS                 OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B2
POP 12HR                     60          60          40          20          20
QPF 12HR                   0.02        0.09        0.02           0           0
SNOW 12HR                     T           1           T
SNOW                    S  C  L  L  L  L  C  C  C  C  S  S  S  S  S  S  S  S
OBVIS                   F  F  F  F
WIND CHILL                                                                -1 -4
MIN CHILL                                                              -1    -4


DATE           01/25/17  THU 01/26/17  FRI 01/27/17  SAT 01/28/17  SUN 01/29/17
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    26      13    32      17    36      20    39
TEMP          20 21 12    7 18 26 17   14 27 32 20   18 28 36 23   22 35 39
DEWPT         13 14  7    2 10 19 12   10 18 24 14   14 20 28 18   17 26 30
PWIND DIR         W      SW    SW      SW     W       W     W      SW     W
WIND CHAR        GN      GN    GN      GN    GN      GN    GN      GN    BZ
AVG CLOUDS    B2 B2 SC   SC FW FW SC   SC FW FW FW   FW FW FW SC   SC SC SC
POP 12HR         10       5     5       0     0       0     5       5     5

$$
MTZ051-231100-
LEWISTOWN-FERGUS MT
47.05N 109.46W ELEV. 4144 FT
832 PM MST SUN JAN 22 2017

DATE          SUN 01/22/17      MON 01/23/17            TUE 01/24/17         WED
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                      15          25          13          21          10
TEMP                   20 19 15 16 20 25 22 18 19 16 14 13 18 21 18 12 14 10 13
DEWPT                  14 14 10 12 14 18 15 15 15 13 10  8  9 11  9  8  7  5  6
RH                     77 80 80 84 77 74 74 88 84 88 84 80 67 65 67 84 73 80 73
WIND DIR                E  E SE NW NW NW NW NW NW  W NW NW NW NW  W  W  W  W  W
WIND SPD                5  5  5  4  5  8  9  9  8  9  9  9  8  8  6  6  5  5  6
CLOUDS                 B2 OV B2 B2 B2 B2 OV OV OV OV OV OV OV OV B2 B2 B2 B2 B2
POP 12HR                     70          70          60          30          20
QPF 12HR                   0.03        0.03        0.05        0.01           0
SNOW 12HR                     T           1           1
SNOW                    L  L  L  L  C  C  L  L  C  C  C  C  S  S  S  S  S  S  S
OBVIS                  F+ F+ F+ F+
FREEZING FOG            Y  Y  Y  Y


DATE           01/25/17  THU 01/26/17  FRI 01/27/17  SAT 01/28/17  SUN 01/29/17
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          26      11    26      14    33      17    39      21    38
TEMP          23 23 18   11 24 24 17   15 31 31 20   19 36 38 25   23 38 35
DEWPT         12 11  9    5  9 11  7    8 14 18 11   12 19 24 16   14 20 21
PWIND DIR         W       W     W       W     W       W     W       W     W
WIND CHAR        LT      GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    B2 B2 B1   B1 FW FW FW   FW SC SC FW   FW FW FW SC   SC SC SC
POP 12HR         20      10     5       5     5       0     0       5     5
SNOW           S  S

$$
WEATHER.GOV/GREATFALLS



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