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Issued by NWS Great Falls, MT

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POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE GREAT FALLS MT
223 PM MST SAT JAN 21 2017

MTZ012-221100-
GREAT FALLS-CASCADE MT
47.47N 111.38W ELEV. 3663 FT
223 PM MST SAT JAN 21 2017

DATE          SAT 01/21/17      SUN 01/22/17            MON 01/23/17         TUE
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                      19          33          18          27          14
TEMP             28 23 21 19 22 20 30 33 30 26 24 21 21 18 25 27 26 21 20 19 18
DEWPT            19 18 16 15 18 16 20 20 20 21 21 18 18 16 19 18 19 19 18 17 16
RH               68 81 81 84 84 84 66 58 66 81 88 88 88 92 78 68 74 92 92 92 92
WIND DIR          W SW SW SW SW SW SW  S  E  E  E  N NW NW NW NW  N  N NW NW NW
WIND SPD          4  5  6  6  9 10  9  8  9  9  6  6  8  8  6  6  8  8  8  8  6
CLOUDS           B2 B2 B2 B2 B1 B1 FW FW B1 B1 OV OV OV OV B2 B2 OV OV OV OV OV
POP 12HR                      5           5          30          40          40
QPF 12HR                      0           0        0.03        0.01        0.04
SNOW 12HR                 00-00       00-00           1
SNOW                                      C  C  C  C  C  C  C  C  C  C  C  C  C


DATE           01/24/17  WED 01/25/17  THU 01/26/17  FRI 01/27/17  SAT 01/28/17
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          27      14    28      14    29      18    33      19    35
TEMP          25 27 19   14 27 26 17   14 24 29 20   19 29 33 20   22 32 35
DEWPT         16 16 14    9 14 15 10    7 10 18 14   13 16 21 14   13 18 23
PWIND DIR         W      SW    SW      SW    SW      SW    SW      SW    SW
WIND CHAR        LT      GN    GN      GN    BZ      GN    BZ      BZ    BZ
AVG CLOUDS    OV B2 B2   B2 B1 B1 SC   SC FW FW B1   B1 SC SC FW   FW FW FW
POP 12HR         30      20    20       5    10      10    10       0     0
SNOW           C  S  S    S  S  S

$$
MTZ010-221100-
CUT BANK-GLACIER MT
48.60N 112.39W ELEV. 3838 FT
223 PM MST SAT JAN 21 2017

DATE          SAT 01/21/17      SUN 01/22/17            MON 01/23/17         TUE
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          29          17          25          11
TEMP             29 21 19 19 20 18 27 29 27 22 23 20 20 18 22 25 23 19 19 14 16
DEWPT            20 17 15 15 16 16 20 20 21 21 21 18 18 16 18 19 16 18 17 13 13
RH               69 84 84 84 84 92 74 69 78 96 92 92 92 92 84 78 74 96 92 96 88
WIND DIR         NW NW NW NW NW  W  E  E  E  E NE  N  N  N  N  N  N  N  N  N NW
WIND SPD          6  5  5  5  9  6  4 10 10 11 11 10  9  9  9  9 10 10 10 10  9
CLOUDS           SC B1 B2 OV B1 B1 SC SC B1 B1 OV OV OV OV OV OV OV OV OV OV B2
POP 12HR                      5           5          40          40          30
QPF 12HR                      0           0        0.06        0.04        0.02
SNOW 12HR                 00-00       00-00           1
SNOW                                      C  C  C  C  C  C  C  C  C  C  C  C  S


DATE           01/24/17  WED 01/25/17  THU 01/26/17  FRI 01/27/17  SAT 01/28/17
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          27      13    29      14    32      18    35      19    36
TEMP          23 27 20   13 28 27 16   16 28 32 23   18 29 35 23   20 35 34
DEWPT         16 16 14    9 16 16 10   10 15 20 16   13 18 23 17   14 24 19
PWIND DIR        NW       W     W       W     W       W     W       W     W
WIND CHAR        GN      GN    GN      GN    BZ      BZ    BZ      BZ    BZ
AVG CLOUDS    B2 B2 B1   B1 SC SC FW   FW FW FW B1   B1 FW FW FW   FW FW FW
POP 12HR         20      20    10       0     5      10     5       0     0
SNOW           S  S  S    S

$$
MTZ014-221100-
HELENA-LEWIS & CLARK MT
46.61N 111.96W ELEV. 3893 FT
223 PM MST SAT JAN 21 2017

DATE          SAT 01/21/17      SUN 01/22/17            MON 01/23/17         TUE
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          26          10          22           6
TEMP             23 20 18 17 14  9 17 26 24 20 17 15 11 11 17 22 19 16 13  8 10
DEWPT            16 14 14 13 10  6 10 15 15 14 11 10  5  7 10 12 11 10  7  3  5
RH               74 77 84 84 84 87 73 62 68 77 77 80 76 83 73 65 70 77 76 79 80
WIND DIR         SW SW SW SW  S  S SE SE  S  S SW SW  W  W NW NW  N  N NW NW NW
WIND SPD          2  2  2  2  3  3  4  5  5  4  4  4  3  3  3  3  5  5  4  4  3
CLOUDS           B2 B2 OV B2 SC SC SC SC OV OV OV OV B2 B2 B2 B2 B2 B2 OV OV OV
POP 12HR                     10          10          30          30          40
QPF 12HR                      0           0        0.02           0        0.03
SNOW 12HR                 00-00       00-00           T
SNOW                                      C  C  C  C  S  S  C  C  C  C  C  C  S
OBVIS                        PF
WIND CHILL                                                                -1
MIN CHILL                                                                    -1


DATE           01/24/17  WED 01/25/17  THU 01/26/17  FRI 01/27/17  SAT 01/28/17
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          20       6    21       5    21       7    24       7    25
TEMP          15 17 11    6 15 21 10    5 13 21 13    7 14 24 12    7 14 25
DEWPT          7  9  5    2  7 10  4    0  5 10  6    2  7 12  6    2  8 14
PWIND DIR        NW      SW    SW      SW    SW      SW    SW      SW    SW
WIND CHAR        LT      LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    OV B2 B2   B2 B1 B1 SC   SC SC SC B1   B1 SC SC SC   SC SC SC
POP 12HR         20      20    20      10    10      10    10       0     0
SNOW           S  S  S    S  S  S

$$
MTZ055-221100-
BOZEMAN-GALLATIN MT
45.78N 111.16W ELEV. 4475 FT
223 PM MST SAT JAN 21 2017

DATE          SAT 01/21/17      SUN 01/22/17            MON 01/23/17         TUE
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          28           9          25           4
TEMP             23 19 19 18 12  7 19 27 25 16 13 11 10 11 19 25 22 15 10 10  8
DEWPT            18 15 15 15  9  4 13 17 17 12  9  8  6  9 13 17 16 13  7  8  5
RH               81 84 84 88 87 87 77 65 71 84 84 87 83 91 77 71 77 92 87 91 87
WIND DIR          S  S  S SE  S SE  S  S SE SE SE  S  S  S NW NW NW NW  N  N NW
WIND SPD          1  4  3  5  5  5  4  4  5  6  5  4  4  4  3  3  3  3  4  4  4
CLOUDS           B2 OV OV B2 SC SC SC SC OV OV B2 B2 B1 B1 B2 B2 OV OV OV OV OV
POP 12HR                     30           5          30          40          60
QPF 12HR                   0.02           0        0.02        0.03        0.13
SNOW 12HR                     T       00-00           T
SNOW                                      S  S  C  C  S  S  C  C  L  L  L  L  C
SNOWSHWRS            S  C  S
WIND CHILL                      -3                                           -1
MIN CHILL                          -3                                        -1


DATE           01/24/17  WED 01/25/17  THU 01/26/17  FRI 01/27/17  SAT 01/28/17
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          20       1    19       0    18       1    23       2    26
TEMP          15 18  4    2 14 19  5    0 12 18  5    2 16 23  5    4 18 26
DEWPT          9 12  1    0  8 10  1   -3  6  9  1   -1  9 13  2   -1 12 17
PWIND DIR        NW      SW    SW      SW    SW      SW    SW      SW    SW
WIND CHAR        LT      LT    LT      LT    LT      LT    LT      LT    LT
AVG CLOUDS    OV B2 B2   B2 B2 B2 B1   B1 SC SC B1   B1 B1 B1 SC   SC SC SC
POP 12HR         30      30    20      10    10      20    10       5     0
SNOW           C  C  C    C  S  S                S    S

$$
MTZ055-221100-
WEST YELLOWSTONE-GALLATIN MT
44.66N 111.11W ELEV. 6700 FT
223 PM MST SAT JAN 21 2017

DATE          SAT 01/21/17      SUN 01/22/17            MON 01/23/17         TUE
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                       7          22          12          24           1
TEMP             22 18 18 16  9  8 14 22 21 18 16 14 12 15 19 24 21 14 10  6  3
DEWPT            19 16 15 14  7  5 10 17 17 17 13 12 11 13 15 18 18 13  8  4  0
RH               88 92 88 92 91 87 84 81 84 96 88 92 96 92 84 77 88 96 91 91 87
WIND DIR         SW SW SW  S  S  S  S  S  S  S  S  S  S  S  E  E SW SW NW NW  N
WIND SPD          6  5  5  5  6  8 10 11  9  8  9  8  5  5  5  5  4  4  4  4  5
CLOUDS           OV OV OV B2 B2 B2 B2 B2 OV OV OV OV OV OV OV OV OV OV OV OV B2
POP 12HR                     60          60          70          70          60
QPF 12HR                   0.02        0.02        0.10        0.12        0.11
SNOW 12HR                     T           1           2
SNOW                          C  C  L  L  L  L  L  L  C  C  L  L  L  L  L  L  C
SNOWSHWRS         L  L  L  C
OBVIS               PF    PF
WIND CHILL                   -2 -4                                        -3 -8
MIN CHILL                    -2    -4                                        -8


DATE           01/24/17  WED 01/25/17  THU 01/26/17  FRI 01/27/17  SAT 01/28/17
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          18      -7    15      -9    15      -8    19      -7    20
TEMP          12 14 -3   -6  9 14 -3   -8 10 14 -4   -7 11 19 -1   -6 11 19
DEWPT          7  9 -5   -7  4 11 -6   -9  3 10 -8   -8  3 16 -3   -7  5 14
PWIND DIR         N      NW    SW      SW    SW       W    SW      SW     S
WIND CHAR        LT      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 SC SC
POP 12HR         30      20    30      20    10      10     0       0     0
SNOW           C  S  S    S  C  C  S    S

$$
MTZ008-221100-
DILLON-BEAVERHEAD MT
45.26N 112.55W ELEV. 5357 FT
223 PM MST SAT JAN 21 2017

DATE          SAT 01/21/17      SUN 01/22/17            MON 01/23/17         TUE
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          33          15          29           9
TEMP             30 21 19 16 15 12 22 32 28 23 21 15 17 16 24 29 25 22 20 17 16
DEWPT            20 16 14 10  8  6 13 18 20 18 16  9 11 11 15 18 19 17 15 11 11
RH               66 81 80 77 73 76 68 56 71 81 81 77 77 80 68 63 78 81 81 77 80
WIND DIR         SW  S  S  S  S  S  S  S SE  S  S  S SW SW  W  W  N  N  N  N NW
WIND SPD          2  6  5  6 11  9  9  9  9  9 10 10  9  9  8  8  8  8  9  9  5
CLOUDS           B2 OV B1 SC SC SC B1 B1 OV OV B2 B2 B1 B1 B2 B2 OV OV OV OV B2
POP 12HR                     30          20          30          50          60
QPF 12HR                   0.02        0.01        0.02        0.04        0.11
SNOW 12HR                     T           T           T
SNOW                                S  S  C  C  C  C  S  S  C  C  L  L  L  L  C
SNOWSHWRS         S  C  S


DATE           01/24/17  WED 01/25/17  THU 01/26/17  FRI 01/27/17  SAT 01/28/17
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       6    22       5    22       7    27       9    31
TEMP          21 18 10    6 16 21  8    6 16 22 10    8 19 27 11   11 23 31
DEWPT         12 11  4   -1  3  7  0   -1  2  9  4    0  7 12  4    0 10 13
PWIND DIR        NW      SW    SW       S    SW      SW     S       S     S
WIND CHAR        LT      LT    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    B2 B2 B1   B1 B2 B2 SC   SC SC SC SC   SC SC SC SC   SC SC SC
POP 12HR         30      20    20      10    10      10    10       5     0
SNOW           C  C  S    S  S  S

$$
MTZ011-221100-
HAVRE-HILL MT
48.54N 109.76W ELEV. 2585 FT
223 PM MST SAT JAN 21 2017

DATE          SAT 01/21/17      SUN 01/22/17            MON 01/23/17         TUE
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          18          27          15
TEMP             26 21 19 19 19 19 26 30 25 20 20 18 18 19 24 27 26 20 20 18 18
DEWPT            19 16 15 16 15 17 20 22 19 17 16 16 15 17 18 20 19 16 16 15 14
RH               74 81 84 88 84 92 78 72 78 88 84 92 88 92 77 74 74 84 84 88 84
WIND DIR          W  W  W  W  W  W  W  N  E  E  E  E  E  E NE NE  N  N NW NW  W
WIND SPD          6  6  6  6  8  6  6  4  6  8  9  9  8  8  8  8  8  8  8  8  8
CLOUDS           SC SC SC B1 B2 B2 B1 B1 SC SC B2 B2 OV OV OV OV OV OV OV OV B2
POP 12HR                      5          10          30          40          30
QPF 12HR                      0           0        0.02        0.05        0.03
SNOW 12HR                 00-00       00-00           T
SNOW                                            C  C  C  C  C  C  C  C  C  C  S
OBVIS                        PF PF


DATE           01/24/17  WED 01/25/17  THU 01/26/17  FRI 01/27/17  SAT 01/28/17
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      10    28      15    33      17    35
TEMP          23 26 16   11 22 26 16   10 22 28 21   15 28 33 21   18 30 35
DEWPT         16 19 11    8 13 18 12    6 13 20 16   11 19 24 16   14 20 27
PWIND DIR         W       W     W       W     W       W     W      SW     W
WIND CHAR        GN      GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    B2 B2 B2   B2 B1 B1 SC   SC FW FW SC   SC SC SC FW   FW FW FW
POP 12HR         20      20    20       5     5       5     5       0     0
SNOW           S  S  S    S  S  S

$$
MTZ051-221100-
LEWISTOWN-FERGUS MT
47.05N 109.46W ELEV. 4144 FT
223 PM MST SAT JAN 21 2017

DATE          SAT 01/21/17      SUN 01/22/17            MON 01/23/17         TUE
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                      19          34          16          26          12
TEMP             29 23 23 22 21 20 29 34 29 25 25 22 19 16 22 26 22 20 18 18 15
DEWPT            20 17 15 16 16 15 19 21 17 18 16 15 13 12 15 18 15 16 14 14 11
RH               69 77 71 77 81 81 66 58 60 74 68 74 77 84 74 71 74 84 84 84 84
WIND DIR          W SW SW SW SW SW SW SW SE SE SE  S SE SE NW NW NW NW NW NW NW
WIND SPD          4  4  4  5  8  8  6  5  8  9  8  6  6  6  5  5  6  6  6  6  8
CLOUDS           B2 B2 B2 B1 B1 B1 FW FW SC SC B2 B2 B2 B2 OV OV OV OV OV OV OV
POP 12HR                      5           5          20          30          50
QPF 12HR                      0           0        0.02        0.01        0.11
SNOW 12HR                 00-00       00-00           T
SNOW                                      S  S  S  S  S  S  C  C  C  C  C  C  C


DATE           01/24/17  WED 01/25/17  THU 01/26/17  FRI 01/27/17  SAT 01/28/17
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      11    25      12    28      15    33      17    35
TEMP          21 24 17   11 25 23 18   12 26 26 22   16 32 31 20   18 33 34
DEWPT         12 14 10    6 13 12  9    6 11 13 13   10 18 21 10   10 16 24
PWIND DIR        NW       W     W       W     W       W     W       W     W
WIND CHAR        GN      LT    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    OV B2 B2   B2 B2 B2 B1   B1 FW FW SC   SC SC SC FW   FW FW FW
POP 12HR         30      20    20      10     5      10    10       0     0
SNOW           C  C  S    S  S  S

$$
WEATHER.GOV/GREATFALLS




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