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Issued by NWS Great Falls, MT

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POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE GREAT FALLS MT
233 AM MST FRI JAN 20 2017

MTZ012-202300-
GREAT FALLS-CASCADE MT
47.47N 111.38W ELEV. 3663 FT
233 AM MST FRI JAN 20 2017

DATE                FRI 01/20/17            SAT 01/21/17            SUN 01/22/17
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                      39          19          33          20          34
TEMP             32 30 35 38 34 27 23 21 21 19 27 33 31 27 25 25 22 20 30 34 28
DEWPT            26 24 25 25 23 20 18 16 16 14 16 20 23 23 21 20 17 16 20 21 19
RH               78 78 66 59 64 74 81 81 81 80 63 58 72 85 84 81 81 84 66 58 68
WIND DIR         SW SW SW SW  S  S  S SW SW SW SW  W  W  W SW SW SW SW  S  S SE
WIND SPD         10  9 10  8  8  8  8  6  9  6  8  8  8  8 10 10 12 12 12 12  9
CLOUDS           B2 B1 FW FW FW FW FW SC FW FW SC SC B2 B2 B2 B2 B1 B1 FW FW B1
POP 12HR                     10           5           5          20          10
QPF 12HR                      0           0           0        0.02           0
SNOW 12HR                 00-00       00-00       00-00
SNOW                                                                          S
SNOWSHWRS                                             S  S  S  S


DATE               MON 01/23/17  TUE 01/24/17  WED 01/25/17  THU 01/26/17
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            17    27      13    27      14    29      15    31
TEMP          23   17 24 25 19   13 25 26 19   14 28 27 19   16 30 29
DEWPT         17   13 17 16 15   10 15 16 12    9 16 16 12   10 17 18
PWIND DIR           E    NW       N     W      SW    SW      SW    SW
WIND CHAR          GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    B1   B2 B2 B2 B2   B2 B2 B2 B1   B1 B1 B1 SC   SC SC SC
POP 12HR           30    30      30    20      20    10       5     0
SNOW           S    C  C  C  C    C
SNOWSHWRS                            S  S  S    S

$$
MTZ010-202300-
CUT BANK-GLACIER MT
48.60N 112.39W ELEV. 3838 FT
233 AM MST FRI JAN 20 2017

DATE                FRI 01/20/17            SAT 01/21/17            SUN 01/22/17
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                      39          16          34          18          30
TEMP             29 28 34 38 33 25 21 19 17 17 27 34 30 27 25 22 20 18 25 30 25
DEWPT            22 22 23 23 22 20 17 15 11 13 18 22 20 22 20 19 15 16 18 20 19
RH               75 78 64 54 63 81 84 84 77 84 68 61 66 81 81 88 81 92 74 66 78
WIND DIR          W  W  W SW SW SW NW NW NW NW NW NW NW NW NW NW NW NW NE NE  E
WIND SPD          6  6  8  6  6  5  5  4  8  9  9 11 11 11 13 13 10 10  9  9 10
CLOUDS           SC SC FW FW FW FW FW FW FW FW FW FW B1 B1 B2 B2 B1 B1 SC SC B1
POP 12HR                     10           5           5          20          10
QPF 12HR                      0           0           0        0.01           0
SNOW 12HR                 00-00       00-00       00-00
SNOW                                                                          C
SNOWSHWRS                                                   S  S


DATE               MON 01/23/17  TUE 01/24/17  WED 01/25/17  THU 01/26/17
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            15    26      10    28      14    31      16    33
TEMP          20   15 24 24 19   10 24 27 18   15 31 28 20   17 33 28
DEWPT         17   13 18 15 14    8 13 16 12   10 18 16 15   12 20 17
PWIND DIR           E     N       N     W       W     W       W     W
WIND CHAR          GN    GN      GN    GN      GN    GN      BZ    BZ
AVG CLOUDS    B1   OV OV OV B2   B2 B2 B2 B1   B1 SC SC FW   FW SC SC
POP 12HR           30    40      30    20      20     5       0     0
SNOW           C    C  C  C  C    C
SNOWSHWRS                            S  S  S    S

$$
MTZ014-202300-
HELENA-LEWIS & CLARK MT
46.61N 111.96W ELEV. 3893 FT
233 AM MST FRI JAN 20 2017

DATE                FRI 01/20/17            SAT 01/21/17            SUN 01/22/17
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                      34           9          25          11          25
TEMP             26 24 28 34 30 24 21 18 12 11 18 25 22 19 16 14 12 11 16 25 21
DEWPT            22 20 22 24 20 16 15 14  7  7 10 14 14 13  9  9  6  7  8 14 13
RH               85 84 78 66 66 71 77 84 80 83 70 62 71 77 73 80 76 83 70 62 71
WIND DIR          S SW  W  W SW SW SW  S  S  S  S  S SW SW SW SW  S  S  S  S SE
WIND SPD          3  3  2  4  4  4  3  3  3  3  2  3  3  3  4  4  3  3 10 10  6
CLOUDS           B2 B1 FW FW SC FW FW SC SC SC B2 B2 B2 B2 B2 B2 B1 B1 SC SC OV
POP 12HR                     20           5          20          20          10
QPF 12HR                   0.02           0        0.01        0.02           0
SNOW 12HR                     T       00-00           T
SNOW                                                                          C
SNOWSHWRS         S  S  S                       S  S  S  S  S  S


DATE               MON 01/23/17  TUE 01/24/17  WED 01/25/17  THU 01/26/17
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    21       6    21       5    21       5    22
TEMP          15    9 16 21 14    6 16 21 10    5 15 21 11    5 15 22
DEWPT          8    4  8 11  7    2  5 11  3    0  6 10  5    0  7 11
PWIND DIR           S     N      NW     W      SW    SW      SW    SW
WIND CHAR          LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    OV   B2 B2 B2 OV   OV OV OV B1   B1 B1 B1 SC   SC SC SC
POP 12HR           30    30      30    20      20    20       5    10
SNOW           C    C  S  C  C    C
SNOWSHWRS                            S  S  S    S  S  S

$$
MTZ055-202300-
BOZEMAN-GALLATIN MT
45.78N 111.16W ELEV. 4475 FT
233 AM MST FRI JAN 20 2017

DATE                FRI 01/20/17            SAT 01/21/17            SUN 01/22/17
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                      31           7          26           8          28
TEMP             25 22 26 31 26 20 16 15 10  8 18 26 24 16 14 14 10  8 19 27 26
DEWPT            21 18 21 23 19 14 13 12  6  4 10 15 16 13 10 12  6  5 12 17 16
RH               84 84 81 72 74 77 88 88 83 83 70 62 71 88 84 92 83 87 74 65 65
WIND DIR          S  S SW  S  S SE SE  S SE  S SW  W SW SW  S  S  S  S  S  S SE
WIND SPD          3  4  3  3  4  4  3  3  4  4  3  3  3  3  5  5  5  5  8  8  4
CLOUDS           OV B2 SC SC SC SC FW SC B1 B1 B1 B1 B2 B2 B2 B2 B1 B1 SC SC B2
POP 12HR                     20          10          20          20          20
QPF 12HR                   0.02           0        0.01        0.02        0.01
SNOW 12HR                     T       00-00           T
SNOW                                                                          S
SNOWSHWRS         S  S  S                 S  S        S  S  S  S        S  S
WIND CHILL                                  -1                      -2
MIN CHILL                                      -1                      -2


DATE               MON 01/23/17  TUE 01/24/17  WED 01/25/17  THU 01/26/17
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             8    25       4    21       0    21       0    23
TEMP          13    8 19 24 10    4 15 20  5    1 15 21  6    1 16 23
DEWPT          8    4 12 15  7    1  8 11  1   -2  8 11  2   -2  8 13
PWIND DIR          SE    NE      NW    NW      SW    SW      SW    SW
WIND CHAR          LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    B2   B2 B1 B1 OV   OV OV OV B2   B2 OV OV B1   B1 SC SC
POP 12HR           20    40      40    30      20    20      10     5
SNOW           S    S  C  C  C    C
SNOWSHWRS                            C  C  S    S  S  S

$$
MTZ055-202300-
WEST YELLOWSTONE-GALLATIN MT
44.66N 111.11W ELEV. 6700 FT
233 AM MST FRI JAN 20 2017

DATE                FRI 01/20/17            SAT 01/21/17            SUN 01/22/17
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           3          23           7          23
TEMP             19 17 22 24 21 13 11  8  5  3 16 23 20 16 11 11  8  7 15 22 22
DEWPT            17 14 19 19 18 11 10  7  3  1 11 16 17 15  9 10  6  6 10 17 18
RH               92 88 88 81 88 91 96 96 91 91 80 74 88 96 91 96 91 96 80 81 84
WIND DIR         SW  S SW SW SW SE  S  S SE SE  S SW SW SW SW SW  S  S  S  S  S
WIND SPD          3  3  4  6  4  3  4  3  4  4  4  6  8  8  8  8  6  6 13 13  9
CLOUDS           OV OV B2 B2 B2 B1 B2 B2 B2 B2 B2 B2 OV OV B2 B2 B2 B2 B2 B2 OV
POP 12HR                     30          20          20          30          40
QPF 12HR                   0.02        0.01        0.02        0.02        0.03
SNOW 12HR                     T           T           T
SNOW                                                                          C
SNOWSHWRS         C  S  S  S           S  S  S  S  S  C  C  C  C  C  C  C  C
OBVIS                           PF
WIND CHILL                               -4 -6             -1 -1 -3 -5
MIN CHILL                                -4    -6          -1    -3    -5


DATE               MON 01/23/17  TUE 01/24/17  WED 01/25/17  THU 01/26/17
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             8    23       1    19      -6    18      -7    18
TEMP          12    8 20 22  8    1 13 18 -3   -4 11 17 -2   -6 11 17
DEWPT         10    6 14 19  7   -1  6 13 -6   -5  3 11 -4   -7  3 12
PWIND DIR           S     E       N     N      NW     W      SW    SW
WIND CHAR          GN    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    OV   OV OV OV OV   OV B2 B2 B1   B1 B2 B2 OV   OV B1 B1
POP 12HR           50    50      40    30      20    20      20    10
SNOW           C    C  C  C  C    C
SNOWSHWRS                            C  C  S    S  S  S  S    S

$$
MTZ008-202300-
DILLON-BEAVERHEAD MT
45.26N 112.55W ELEV. 5357 FT
233 AM MST FRI JAN 20 2017

DATE                FRI 01/20/17            SAT 01/21/17            SUN 01/22/17
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          13          31          13          31
TEMP             20 17 25 31 26 19 16 15 15 14 24 31 27 24 21 18 16 13 24 31 28
DEWPT            13 10 18 20 17 12 11 10  9  8 15 18 19 18 14 11  9  7 12 17 18
RH               74 73 74 63 68 74 80 80 77 76 68 58 71 77 74 73 73 76 60 56 66
WIND DIR          S  S  S  S  S  S  S  S  S  S SW SW SW SW  S  S  S  S  S  S  S
WIND SPD          6  5  5  8  8  6  5  4  9  9  8  5  6  6 11 11 10 10 14 14 11
CLOUDS           B1 SC FW SC B1 SC SC B1 B2 B2 B2 B2 B2 B2 B1 B1 SC SC B2 B2 OV
POP 12HR                     20          20          20          20          20
QPF 12HR                   0.01        0.01        0.02        0.02        0.01
SNOW 12HR                     T           T           T
SNOW                                                                          C
SNOWSHWRS            S              S  S  S  S  S  S  S  S  S  S        S  S


DATE               MON 01/23/17  TUE 01/24/17  WED 01/25/17  THU 01/26/17
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            13    28       9    23       5    22       5    24
TEMP          19   14 24 27 17    9 20 21  9    5 17 22 10    5 19 24
DEWPT         13    8 13 20 12    4  7 12  3   -1  4 10  3   -2  4 10
PWIND DIR           S    NE       N    NW      SW    SW      SW    SW
WIND CHAR          GN    GN      GN    LT      LT    GN      LT    GN
AVG CLOUDS    OV   B1 B2 B2 B2   B2 OV OV B1   B1 B2 B2 SC   SC SC SC
POP 12HR           30    40      30    30      20    20      10     5
SNOW           C    C  C  C  C    C
SNOWSHWRS                            C  C  S    S  S  S

$$
MTZ011-202300-
HAVRE-HILL MT
48.54N 109.76W ELEV. 2585 FT
233 AM MST FRI JAN 20 2017

DATE                FRI 01/20/17            SAT 01/21/17            SUN 01/22/17
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                      37          19          32          18          30
TEMP             31 30 34 36 32 27 23 21 21 20 27 32 28 23 23 20 19 19 26 30 26
DEWPT            27 26 28 29 26 23 20 18 18 17 20 23 21 19 18 16 16 16 19 22 19
RH               85 85 78 75 78 85 88 88 88 88 74 69 75 84 81 84 88 88 74 72 74
WIND DIR         SW SW SW  W SW SW SW SW  W  W  W SW  W  W  W  W  W  W  W  W NE
WIND SPD          9  9  9  8  5  4  4  4  6  8 10 12 11 11 11 11  9  9 11 11  8
CLOUDS           B2 B2 B1 SC SC FW SC SC SC SC FW FW FW FW SC SC B1 B1 B1 B1 B1
POP 12HR                     10           5           5          10          20
QPF 12HR                      0           0           0           0        0.01
SNOW 12HR                 00-00       00-00       00-00
SNOW
SNOWSHWRS                                                         S  S


DATE               MON 01/23/17  TUE 01/24/17  WED 01/25/17  THU 01/26/17
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            17    28      15    26      12    27      12    30
TEMP          20   17 25 28 22   15 24 25 16   12 23 27 17   13 26 30
DEWPT         15   14 18 20 18   12 17 17 11    9 14 18 11    9 16 21
PWIND DIR           E    NE       N     W       W     W       W     W
WIND CHAR          GN    LT      GN    GN      GN    GN      GN    GN
AVG CLOUDS    B1   B2 B2 B2 B2   B2 OV OV B2   B2 B2 B2 FW   FW SC SC
POP 12HR           20    40      20    20      20    20       0     0
SNOW                S  C  S  S    S
SNOWSHWRS                            S  S  S    S  S  S

$$
MTZ051-202300-
LEWISTOWN-FERGUS MT
47.05N 109.46W ELEV. 4144 FT
233 AM MST FRI JAN 20 2017

DATE                FRI 01/20/17            SAT 01/21/17            SUN 01/22/17
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                      38          17          33          19          35
TEMP             32 30 35 37 34 29 25 24 20 18 30 33 29 23 22 21 20 20 29 35 28
DEWPT            30 27 29 28 27 24 19 17 13 11 19 20 18 17 15 16 14 15 18 22 18
RH               92 88 78 70 75 81 78 74 74 73 63 58 63 77 74 81 77 81 63 59 66
WIND DIR         SW SW  W  W SW  S SE  S  S SW  W  W  W  W  W  W  W  W SW SW SE
WIND SPD          5  4  4  3  4  4  4  4  6  4  5  8  6  6  8  8  8  8  9  9  6
CLOUDS           OV OV B1 B2 B1 SC FW SC FW FW FW FW B1 B1 SC SC B2 B2 SC SC SC
POP 12HR                     30          10           5          10          10
QPF 12HR                   0.02           0           0           0           0
SNOW 12HR                     T       00-00       00-00
RAIN SHWRS                 S
SNOW
SNOWSHWRS         C  S  S


DATE               MON 01/23/17  TUE 01/24/17  WED 01/25/17  THU 01/26/17
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            17    26      13    25      12    27      13    30
TEMP          23   17 24 24 21   13 23 24 19   12 27 24 21   13 28 28
DEWPT         17   13 18 19 16    9 13 14 11    7 14 12 10    6 12 20
PWIND DIR          SE     W       N    NW       W     W       W     W
WIND CHAR          LT    LT      LT    GN      LT    GN      GN    GN
AVG CLOUDS    SC   B2 B1 B1 OV   OV OV OV B2   B2 B2 B2 SC   SC SC SC
POP 12HR           20    40      40    20      20    20       5     0
SNOW                S  C  C  C    C
SNOWSHWRS                            S  S  S    S  S  S

$$
WEATHER.GOV/GREATFALLS




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