Point Forecast Matrices
Issued by NWS Glasgow, MT

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Point Forecast Matrices
National Weather Service Glasgow MT
215 PM MST Sun Dec 17 2017

MTZ017-181100-
Glasgow-Valley MT
48.22N 106.61W Elev. 2293 ft
215 PM MST Sun Dec 17 2017

Date          Sun 12/17/17      Mon 12/18/17            Tue 12/19/17         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                      25          39          20          32          19
Temp             31 27 25 25 27 30 37 38 31 28 26 23 21 20 28 32 28 26 22 22 19
Dewpt            18 19 19 20 23 26 27 26 24 22 22 20 19 18 19 17 19 20 19 20 17
RH               58 71 78 81 85 85 67 62 75 78 85 88 92 92 68 53 68 78 88 92 92
Wind dir          W  W  W SW  W  W NW NW NW NW  W  W NW NW NE  E  E  E  E  E  E
Wind spd         10  9  9  9  9 10 13 16 10  8  9  6  5  4  4  6  9 12 16 16 14
Wind gust                                                                 26
Clouds           B1 B2 B2 B2 OV OV OV OV B2 B2 B1 B1 B2 B2 OV OV OV OV OV OV OV
PoP 12hr                     20          40          10          40          70
QPF 12hr                      0        0.02           0        0.01        0.10
Snow 12hr                 00-00           T       00-00
Rain                                S  S
Snow                          C  S                          C  C  L  L  L  L  L
Wind chill                                                          15  8  8  5
Min chill        20    15    15    18    22    16    13    12    19     7     4


Date           12/20/17  Thu 12/21/17  Fri 12/22/17  Sat 12/23/17  Sun 12/24/17
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       1    17       3    18      -6    10      -7     3
Temp          25 19  9    1 14 15  5    5 17 13  1   -6  7  9 -1   -7  1  0
Dewpt         21 12  5   -1  7  7  3    2  7  5 -2   -9 -4 -2 -6  -10-10 -9
PWind dir         E       N     W       W    NW      NW    NW      NW    NW
Wind char        GN      GN    LT      LT    GN      GN    GN      GN    GN
Avg clouds    OV OV OV   B2 SC SC B1   B2 B2 B2 B2   B2 B2 B2 B2   B1 B2 B1
PoP 12hr         70      40    10      20    20      10    20      10    10
Snow           L  L  C    S             S  S             S  S

$$
MTZ020-181100-
Wolf Point-Western Roosevelt MT
48.10N 105.58W Elev. 1985 ft
215 PM MST Sun Dec 17 2017

Date          Sun 12/17/17      Mon 12/18/17            Tue 12/19/17         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                      24          41          19          34          18
Temp             32 26 24 24 25 27 38 41 34 29 26 24 21 19 29 34 29 25 21 19 19
Dewpt            18 16 16 17 19 22 27 27 25 22 21 20 18 16 18 17 18 17 17 17 16
RH               56 65 71 74 78 81 64 57 69 75 81 84 88 88 63 49 63 71 84 92 88
Wind dir          W  W  W  W  W  W  W NW NW  W  W  W  W  W NW NE  E  E  E  E  E
Wind spd         10 11 11 11 10 10 16 17 10  9 10  9  6  5  4  3  6 10 13 13 11
Clouds           B1 B2 B2 B2 OV B2 OV B2 B2 B2 B1 B1 B2 B2 OV OV OV OV OV OV OV
PoP 12hr                     10          40          10          20          70
QPF 12hr                      0        0.02           0        0.01        0.11
Snow 12hr                 00-00           T       00-00
Rain                                S  S
Snow                          C  C                          S  S  L  L  L  L  L
Wind chill          15 13 13                                        14  8  6  7
Min chill        23    13    13    15    25    16    13    11    22     7     6


Date           12/20/17  Thu 12/21/17  Fri 12/22/17  Sat 12/23/17  Sun 12/24/17
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       2    19       2    20      -6    13      -6     5
Temp          24 20  9    2 15 17  3    7 20 13  3   -6 10 11 -1   -6  2  3
Dewpt         20 13  5    0  7  8  0    4  8  3 -2   -9 -1 -2 -5  -10-11 -8
PWind dir         E       N     W      SW    NW      NW    NW      NW    NW
Wind char        GN      GN    LT      LT    GN      GN    GN      GN    GN
Avg clouds    OV OV OV   B2 B1 SC B1   B2 B2 B2 B2   B2 B2 B2 B2   B2 B2 B2
PoP 12hr         70      40    10      20    20      10    20      10    10
Snow           L  L  C    S             S  S             S  S

$$
MTZ022-181100-
Jordan-Garfield MT
47.33N 106.95W Elev. 2661 ft
215 PM MST Sun Dec 17 2017

Date          Sun 12/17/17      Mon 12/18/17            Tue 12/19/17         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                      26          47          22          35          23
Temp             30 26 26 27 31 34 43 46 37 30 28 26 23 23 32 34 25 23 23 23 23
Dewpt            15 17 18 20 24 26 26 30 30 26 25 24 22 20 22 22 20 20 20 21 20
RH               53 68 71 74 75 72 51 53 75 85 88 92 96 88 66 61 81 88 88 92 88
Wind dir          W  W  W SW SW  W  W  W NW NW NW  W NW SW SE  E  E  E  E SE SE
Wind spd         10 11 11 11 11 13 18 19 10  9  6  4  3  2  5 10  9 11 10  6  4
Clouds           B1 B1 B1 B2 OV OV OV OV OV OV B2 B2 OV OV OV OV OV OV OV OV OV
PoP 12hr                     20          50          40          50          60
QPF 12hr                      0        0.03        0.01        0.03        0.05
Snow 12hr                 00-00       00-00           T
Rain                          C  S  S  C
Snow                             S        C  C  S  S  S  S  C  C  L  L  C  C  C
Wind chill                                                          12
Min chill        21    15    16    23    29    20    19    21    16    12    13


Date           12/20/17  Thu 12/21/17  Fri 12/22/17  Sat 12/23/17  Sun 12/24/17
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          34       4    22       8    20      -4    12      -4     8
Temp          33 22 11    4 21 13 13    9 20  8  3   -4 11  8  2   -4  8  2
Dewpt         24 19  8    1 10  6  5    6  6  4 -2   -8 -4 -3 -3   -8 -9 -6
PWind dir         E       N     W       W    NW      NW    NW      NW    NW
Wind char        LT      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    OV OV OV   OV B1 SC SC   B2 B2 OV B2   B2 B2 B2 B2   B2 B2 B1
PoP 12hr         50      50    10      20    20      20    20      20    20
Snow           C  C  C    S             S  S  S  S    S  S  S  S    S  S

$$
MTZ024-181100-
Sidney-Richland MT
47.70N 104.20W Elev. 1985 ft
215 PM MST Sun Dec 17 2017

Date          Sun 12/17/17      Mon 12/18/17            Tue 12/19/17         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                      28          42          22          34          21
Temp             32 29 28 28 28 30 40 41 35 31 27 25 24 22 30 34 29 26 24 22 21
Dewpt            19 19 19 20 21 25 29 29 29 24 23 22 22 19 21 18 17 19 19 19 18
RH               58 66 68 71 75 81 64 62 78 75 85 88 92 88 69 51 60 74 81 88 88
Wind dir         SW SW SW SW SW SW  W NW NW NW  W  W  W  W NW NW  E  E  E  E  E
Wind spd         10 10  9  9 11 11 14 13  9  8  9  9  8  6  5  4  5  6  9 11 10
Clouds           B1 B1 B2 B2 OV B2 OV B2 B2 B1 B1 B1 B1 B1 B2 OV OV OV OV OV OV
PoP 12hr                     10          30          20          10          60
QPF 12hr                      0        0.02           0           0        0.07
Snow 12hr                 00-00           T       00-00
Rain                                S  S  S
Snow                          S  C        S  S                    L  L  L  L  L
Wind chill                                                                11
Min chill        23    19    18    18    28    17    15    14    22    13     9


Date           12/20/17  Thu 12/21/17  Fri 12/22/17  Sat 12/23/17  Sun 12/24/17
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       5    19       7    21      -1    13      -3     5
Temp          28 22 12    5 16 18 16    7 20 16  6   -1 11 11  5   -3  3  4
Dewpt         21 15  8    3  7 10 10    5 11  7  2   -4  0  1  0   -6 -9 -6
PWind dir         E      NE    NW      SW    NW      NW    NW      NW    NW
Wind char        GN      GN    GN      LT    GN      GN    GN      GN    GN
Avg clouds    OV OV OV   B2 B1 SC SC   B2 B2 B2 B2   B2 B2 B2 B2   B1 B2 B2
PoP 12hr         50      30    10      20    20      10    10      20    10
Snow           L  C  C    S             S  S                   S    S

$$
MTZ025-181100-
Glendive-Dawson MT
47.13N 104.80W Elev. 2457 ft
215 PM MST Sun Dec 17 2017

Date          Sun 12/17/17      Mon 12/18/17            Tue 12/19/17         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                      27          45          22          34          23
Temp             30 27 27 27 28 31 41 44 36 32 28 26 23 23 31 34 28 27 26 24 23
Dewpt            17 18 18 20 21 24 27 28 29 26 23 23 20 20 19 18 18 21 20 20 19
RH               58 68 68 74 75 75 57 53 75 78 81 88 88 88 61 51 66 78 78 84 84
Wind dir         SW SW SW SW SW SW  W  W NW NW NW  W  W  W  W  E  E  E  E  E  E
Wind spd         11 12 11 13 14 14 19 20 12 10 10  9  6  5  4  4  6  9 11 11  8
Clouds           SC B1 B1 B2 OV B2 B2 B2 B2 B2 B2 B2 B2 B2 OV OV OV OV OV OV OV
PoP 12hr                     10          20          20          20          40
QPF 12hr                      0        0.01           0           0        0.03
Snow 12hr                 00-00       00-00       00-00
Rain                                S  S  S
Snow                          S  S        S  S              S  S  C  C  C  C  C
Wind chill                16 17 20                                     15
Min chill        21    16    16    17    27    18    14    14    20    14    12


Date           12/20/17  Thu 12/21/17  Fri 12/22/17  Sat 12/23/17  Sun 12/24/17
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          34       7    20       8    21      -1    13      -2     7
Temp          31 24 15    7 19 18 18    8 21 13  6   -1 13 10  5   -2  6  4
Dewpt         21 18 10    4  9 12 13    5  9  7  2   -5 -1  3  0   -5 -7 -5
PWind dir         E       N    NW      SW    NW      NW    NW      NW    NW
Wind char        GN      GN    GN      LT    GN      GN    GN      GN    GN
Avg clouds    OV OV OV   OV B2 SC SC   B1 B2 B2 B2   B2 B2 B2 B2   B1 B2 B2
PoP 12hr         40      40    10      10    20      20    20      10    10
Snow           C  C  C    C                S     S    S     S  S

$$



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