Point Forecast Matrices
Issued by NWS Glasgow, MT

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POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE GLASGOW MT
230 PM MST THU DEC 18 2014

MTZ017-191100-
GLASGOW-VALLEY MT
48.22N 106.61W ELEV. 2293 FT
230 PM MST THU DEC 18 2014

DATE          THU 12/18/14      FRI 12/19/14            SAT 12/20/14         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                      19          31          21          32          19
TEMP             26 23 21 20 20 19 26 31 27 24 24 23 22 21 28 32 27 24 22 21 20
DEWPT            24 22 20 19 18 19 22 24 24 22 22 21 21 21 26 27 23 21 19 18 16
RH               92 96 96 96 92100 85 75 88 92 92 92 96100 92 81 85 88 88 88 84
WIND DIR          S SE  S NW NW  W  S SE  E  E  E SE  W  W  W  W SW SW SW SW  S
WIND SPD          2  2  1  2  2  1  1  1  4  5  4  3  5 10 11 10  8  8  6  6  8
CLOUDS           B1 B1 B1 B1 B1 B1 SC SC B1 B1 B2 B2 B2 B2 SC SC SC SC SC SC B2
POP 12HR                      0           0          20          30          10
QPF 12HR                      0           0        0.01        0.01           0
SNOW 12HR                 00-00       00-00       00-00
FRZG RAIN                                       S  S  S  S  S  S              C
SLEET                                                                         C
SNOW                                                  C  C  S  S
OBVIS            PF PF PF PF
WIND CHILL                                              10
MIN CHILL        24    21    19    18    22    17    15    10    18    13     9


DATE           12/21/14  MON 12/22/14  TUE 12/23/14  WED 12/24/14  THU 12/25/14
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          37      21    36      19    30      14    24       5    19
TEMP          30 30 27   24 29 29 25   21 27 24 20   17 18 17 12   10 12 10
DEWPT         25 25 23   19 23 24 21   17 21 19 16   13 13 13  8    6  7  5
PWIND DIR         S       W    NW      NW     W      NW    NW       N     N
WIND CHAR        GN      GN    GN      GN    GN      GN    GN      GN    GN
AVG CLOUDS    B2 B2 B2   B2 B2 B2 B1   B1 B1 B1 B1   B1 B2 B2 B2   B2 B1 B1
POP 12HR         40      20    20      10    10      10    10      20    20
FRZG RAIN      C     S    S
SLEET          C  C
SNOWSHWRS         S  S    S  S  S                              S    S  S  S

$$
MTZ020-191100-
WOLF POINT-WESTERN ROOSEVELT MT
48.10N 105.58W ELEV. 1985 FT
230 PM MST THU DEC 18 2014

DATE          THU 12/18/14      FRI 12/19/14            SAT 12/20/14         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          32          19          35          17
TEMP             28 23 22 21 20 18 25 32 27 22 20 20 20 21 31 35 27 23 20 19 17
DEWPT            25 22 21 21 20 17 21 23 24 20 19 19 19 20 28 27 23 20 17 17 14
RH               88 96 96100100 96 84 69 88 92 96 96 96 96 88 72 85 88 88 92 88
WIND DIR         SW SW  W  W  W  W  W SW  S  E SE SW  W  W  W  W  W  W SW SW  S
WIND SPD          1  2  3  4  4  4  3  2  1  1  2  1  3  9  9 11  9  9  8  8  8
CLOUDS           B2 B2 B2 B2 B1 B1 SC SC SC SC B1 B1 B2 B2 B1 B1 SC SC SC SC B2
POP 12HR                      0           0          10          30          10
QPF 12HR                      0           0           0        0.03           0
SNOW 12HR                 00-00       00-00       00-00
FRZG RAIN                                             S  S  S  S              C
SLEET                                                                         C
SNOW                                                  C  C  S  S
OBVIS            PF PF PF PF
WIND CHILL                                              10                    6
MIN CHILL        25    17    14    10    24    20    14     9    18    10     6


DATE           12/21/14  MON 12/22/14  TUE 12/23/14  WED 12/24/14  THU 12/25/14
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          38      19    37      17    31      12    24       4    20
TEMP          30 31 24   21 28 30 23   20 27 25 17   15 20 18  9    8 12 13
DEWPT         25 26 20   18 23 25 20   17 21 19 13   11 15 13  5    4  6  7
PWIND DIR        SW       W     W       W     W      NW    NW       N     N
WIND CHAR        GN      GN    GN      GN    GN      GN    GN      LT    GN
AVG CLOUDS    B2 B2 B2   B2 B2 B2 B1   B1 B2 B2 B2   B2 B2 B2 B2   B2 B2 B2
POP 12HR         40      30    20      10    10      10    10      20    20
FRZG RAIN      C     S    S
SLEET          C  S
SNOWSHWRS         C  C    C  S  S                              S    S  S  S

$$
MTZ022-191100-
JORDAN-GARFIELD MT
47.33N 106.95W ELEV. 2661 FT
230 PM MST THU DEC 18 2014

DATE          THU 12/18/14      FRI 12/19/14            SAT 12/20/14         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                      19          39          23          38          23
TEMP             37 30 26 23 20 20 35 39 32 26 25 24 23 25 35 38 28 24 23 23 23
DEWPT            30 26 24 22 19 20 28 26 27 24 24 24 23 25 30 27 22 20 20 20 20
RH               75 85 92 96 96100 75 59 81 92 96100100100 82 64 78 84 88 88 88
WIND DIR          W SW  W  W  W  W SW SW  S SW  W  W  W  W  W  W SW SW SW SW SW
WIND SPD          5  5  5  5  5  4  5  4  3  3  5 10 10 10 12 13 10 10 11 11 12
CLOUDS           SC SC SC SC SC SC FW FW B1 B1 B2 B2 B1 B1 SC SC SC SC SC SC B2
POP 12HR                      0           0          20          30          20
QPF 12HR                      0           0        0.01        0.01        0.01
SNOW 12HR                 00-00       00-00       00-00
FRZG RAIN                                       S  S  C  C              S  S  C
SLEET                                                                         C
SNOWSHWRS                                                               S  S
WIND CHILL                                                             12 12 11
MIN CHILL              19    12    11    28    19    12    12    18    12    11


DATE           12/21/14  MON 12/22/14  TUE 12/23/14  WED 12/24/14  THU 12/25/14
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          46      23    42      20    36      17    30       8    25
TEMP          41 33 27   24 36 32 24   23 33 27 23   21 26 20 15   13 19 15
DEWPT         33 27 23   21 29 26 20   19 26 21 19   18 20 15 12   10 12  8
PWIND DIR        SW       W    NW      NW    NW       W    NW       N     N
WIND CHAR        GN      GN    GN      BZ    BZ      GN    GN      GN    GN
AVG CLOUDS    B2 B2 B2   B2 B2 B2 B1   B1 B1 B1 B1   B1 B2 B2 B2   B2 B2 B2
POP 12HR         40      20    20      10    10      10    10      20    20
FRZG RAIN      C     S    S
RAIN SHWRS        C          S  S
SLEET          C  S  S    S
SNOWSHWRS                    S  S                              S    S  S  S

$$
MTZ024-191100-
SIDNEY-RICHLAND MT
47.70N 104.20W ELEV. 1985 FT
230 PM MST THU DEC 18 2014

DATE          THU 12/18/14      FRI 12/19/14            SAT 12/20/14         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                      20          33          20          36          20
TEMP             27 24 22 23 22 20 28 33 27 22 20 20 21 23 31 36 31 27 24 22 20
DEWPT            25 23 22 22 21 20 21 23 25 21 19 19 20 23 26 27 29 26 22 21 18
RH               92 96100 96 96100 75 66 92 96 96 96 96100 81 69 92 96 92 96 92
WIND DIR          S SW SW SW SW SW SW SW  S  S SW  S SW SW SW  W  W  W SW SW  S
WIND SPD          3  4  4  4  4  4  4  3  2  2  3  3  4  8 11 12 10 10  9  9 10
CLOUDS           OV OV B2 B2 B1 B1 SC SC SC SC SC SC B2 B2 B1 B1 SC SC SC SC B2
POP 12HR                      0           0           5          30           5
QPF 12HR                      0           0           0        0.03           0
SNOW 12HR                 00-00       00-00       00-00
FRZG RAIN                                             C  C  S  S              C
RAIN SHWRS                                                                    C
SLEET                                                                         S
SNOW                                                  S  S  S  S
OBVIS            PF PF PF PF
WIND CHILL                                                                11  8
MIN CHILL        21    16    16    13    25    16    14    13    22    13     7


DATE           12/21/14  MON 12/22/14  TUE 12/23/14  WED 12/24/14  THU 12/25/14
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          39      22    36      20    32      15    25       7    20
TEMP          32 32 26   24 30 30 25   22 27 26 19   17 21 19 11    8 14 13
DEWPT         25 29 24   22 24 26 22   19 20 23 17   15 15 15  7    5  8 10
PWIND DIR         S       W    NW      NW     W      NW    NW       N     N
WIND CHAR        GN      GN    GN      BZ    BZ      BZ    GN      GN    GN
AVG CLOUDS    B2 B2 B2   B2 B2 B2 B2   B2 B1 B1 B2   B2 B2 B2 B2   B2 B2 B2
POP 12HR         40      30    20      10    10      10    10      10    10
FRZG RAIN      C
RAIN SHWRS     C  C
SLEET          S
SNOWSHWRS         C  C    C  S  S

$$
MTZ025-191100-
GLENDIVE-DAWSON MT
47.13N 104.80W ELEV. 2457 FT
230 PM MST THU DEC 18 2014

DATE          THU 12/18/14      FRI 12/19/14            SAT 12/20/14         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                      20          35          21          37          21
TEMP             30 26 24 22 21 20 31 35 29 24 22 22 21 23 33 37 30 26 24 21 21
DEWPT            24 24 21 21 19 20 25 25 23 21 19 20 19 22 27 28 24 23 21 19 18
RH               78 92 88 96 92100 78 66 78 88 88 92 92 96 78 70 78 88 88 92 88
WIND DIR         SW SW SW SW SW SW SW SW SW  S  S SW SW SW SW  W SW SW SW SW SW
WIND SPD          4  5  5  5  5  5  6  6  5  4  4  5  6  9 12 12 10 10 10 10 11
CLOUDS           SC SC SC SC B1 B1 FW FW SC SC B1 B1 B2 B2 SC SC SC SC SC SC B2
POP 12HR                      0           0          10          30           5
QPF 12HR                      0           0           0        0.03           0
SNOW 12HR                 00-00       00-00       00-00
FRZG RAIN                                             C  C  S  S              C
RAIN                                                        S  S
SLEET                                                                         C
SNOW                                                  S  S  S  S
WIND CHILL                                                             13 10  9
MIN CHILL        24    16    12    11    22    15    13    13    21    13     9


DATE           12/21/14  MON 12/22/14  TUE 12/23/14  WED 12/24/14  THU 12/25/14
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          40      22    38      22    33      17    25       8    21
TEMP          34 33 29   26 31 30 26   24 30 26 22   19 23 19 12   10 16 14
DEWPT         28 26 24   22 25 24 22   20 23 20 18   16 17 13  8    6 10  8
PWIND DIR        SW       W    NW      NW    NW      NW    NW       N     N
WIND CHAR        GN      GN    GN      BZ    BZ      BZ    GN      GN    GN
AVG CLOUDS    B2 B2 B2   B2 B2 B2 B1   B1 B1 B1 B2   B2 B2 B2 B2   B2 B2 B2
POP 12HR         50      30    20      10    10      10    10      20    20
FRZG RAIN      C     C    C
RAIN SHWRS        C
SLEET          C  S
SNOWSHWRS            C    C  S  S                              S    S  S  S

$$



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