Point Forecast Matrices
Issued by NWS Glasgow, MT

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Point Forecast Matrices
National Weather Service Glasgow MT
223 PM MST Mon Dec 8 2025

MTZ017-091100-
Glasgow-Valley MT
48.22N 106.61W Elev. 2293 ft
223 PM MST Mon Dec 8 2025

Date          Mon 12/08/25      Tue 12/09/25            Wed 12/10/25         Thu
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          42          12          30          13
Temp             32 29 31 34 37 38 37 36 32 25 20 16 15 18 22 28 29 25 23 21 16
Dewpt            29 27 28 32 34 36 33 29 26 21 15 11 12 15 20 26 27 24 21 19 14
RH               88 92 88 92 89 92 85 75 78 84 81 80 88 88 92 92 92 96 92 92 92
Wind dir         SW SW  S SW  W  W NW NW NW NW NW  N  E  E SE SE SE NE NW NW NW
Wind spd          5  6 14 23 29 34 32 29 21 13 10  6  5 10 13 12 11 12 12 13 13
Wind gust                 39 46 50 48 47
Clouds           OV B2 OV OV OV OV B1 FW FW FW SC B1 B2 OV OV OV OV B2 B2 OV OV
PoP 12hr                     50          50           0          80          40
QPF 12hr                   0.04        0.04           0        0.21        0.01
Snow 12hr                 00-00       00-00       00-00
Frzg rain               C                                            C  C
Rain                       C  C  C
Snow                                                  C  C  D  D  C        C  L
Wind chill             20 22 25 25 25 23 19 13  8        6  9 17    14 11  8  2
Min chill        25    17    20    24    19     6     1     5    11    10     2
High Wind               W  W  W  W  W  W
Winter Weath            Y  Y  Y  Y  Y


Date           12/11/25  Fri 12/12/25  Sat 12/13/25  Sun 12/14/25  Mon 12/15/25
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     -14    -1      -9     5      -7    23      -1    18
Temp          18  6 -6  -12 -7 -2 -3   -7  2  1 -4    0 12 16 13    6 12 14
Dewpt         18  1-11  -17-12 -7 -5   -9 -1 -2 -6   -1 10 13 10    4 11 11
PWind dir         N      NW    NE       E     E       E     E      NW    NE
Wind char        BZ      GN    GN      GN    GN      GN    GN      GN    GN
Avg clouds    OV B2 B2   B2 OV B2 OV   OV OV B2 B2   B2 B2 B1 B1   SC B1 B1
PoP 12hr         60      30    30      60    40      10    10      10    10
Snow           L  C  C       S  C  L    L  C  C

$$
MTZ020-091100-
Wolf Point-Western Roosevelt MT
48.10N 105.58W Elev. 1985 ft
223 PM MST Mon Dec 8 2025

Date          Mon 12/08/25      Tue 12/09/25            Wed 12/10/25         Thu
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          42           7          28          12
Temp             32 27 28 34 35 37 38 36 30 24 18 12 11 13 19 25 25 23 20 19 15
Dewpt            29 26 26 32 33 35 33 28 24 20 14  9  7 10 15 21 23 22 19 17 13
RH               88 96 92 92 92 92 82 72 78 84 84 87 83 87 84 84 92 96 96 92 92
Wind dir          W SW SW SW  W  W  W NW  W NW NW NW  E  E  E  E  E  E NW NW NW
Wind spd          8  9 12 18 23 28 32 32 21 14  9  4  4  5 10 11 10 10 10 10 10
Wind gust                 32 37 43 47 47 32
Clouds           B2 B2 OV OV OV OV B1 FW FW FW SC SC B1 OV OV OV OV OV B2 OV OV
PoP 12hr                     50          30           0          70          50
QPF 12hr                   0.04        0.03           0        0.23        0.01
Snow 12hr                 00-00       00-00       00-00
Frzg rain               S                                            C  C
Rain                       C  C  C
Snow                                                  S  S  L  L  C        C  C
Wind chill             17 22 24 25 26 23 17 12              7 14    12     8  3
Min chill        24    16    17    23    17     5    -1     2    10     9     3
High Wind               W  W  W  W  W  W
Winter Weath            Y  Y  Y  Y  Y


Date           12/11/25  Fri 12/12/25  Sat 12/13/25  Sun 12/14/25  Mon 12/15/25
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          23     -16    -2     -12     5      -9    23      -3    16
Temp          21  7 -5  -12 -7 -4 -5   -9  2  1 -6   -1 14 15 11    3 10 12
Dewpt         19  2-10  -17-14 -9 -7  -11 -2 -2 -9   -2 11 12  8    2  7  8
PWind dir         N      NW     N       E    NE       E     E       W     N
Wind char        GN      GN    LT      LT    LT      LT    GN      LT    LT
Avg clouds    OV B2 B2   B1 B2 B2 OV   OV OV B2 B2   B2 B2 B1 B1   B1 SC B1
PoP 12hr         50      30    20      50    40      10    10      10    10
Snow           C  C  C          S  C    C  C  C

$$
MTZ022-091100-
Jordan-Garfield MT
47.33N 106.95W Elev. 2661 ft
223 PM MST Mon Dec 8 2025

Date          Mon 12/08/25      Tue 12/09/25            Wed 12/10/25         Thu
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                      31          47          20          41          21
Temp             36 33 35 38 41 44 42 40 35 31 27 23 23 26 32 38 38 35 32 29 23
Dewpt            32 30 32 35 36 39 37 32 30 29 26 22 22 25 30 35 36 34 32 28 23
RH               85 89 89 89 82 82 82 73 82 92 96 96 96 96 92 89 92 96100 96100
Wind dir          W SW SW SW  W  W NW NW NW NW  W SW SE  S  S  S  W  W NW NW NW
Wind spd         10 11 17 20 24 29 29 27 17 10  4  3  4  8 12 13 12 11 10 10 10
Wind gust                 35 41 48 46 42                      24 23 21
Clouds           OV B2 OV OV OV B2 B1 SC SC FW SC B2 OV OV OV OV B2 OV OV OV OV
PoP 12hr                     50          60           5          90          60
QPF 12hr                   0.04        0.06           0        0.31        0.08
Snow 12hr                 00-00       00-00       00-00
Rain                 S  C  C  C  L                          S  D  C  C  L
Snow                                                  D  D  D              L  L
Wind chill                         31 29 24
Min chill        28    22    25    29    23    19    17    18    24    23    13
High Wind               W  W  W  W  W  W
Winter Weath            Y  Y  Y  Y  Y


Date           12/11/25  Fri 12/12/25  Sat 12/13/25  Sun 12/14/25  Mon 12/15/25
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          31      -9     6      -6    11      -3    33       8    29
Temp          29 13 -1   -7  0  4  3   -3  6  5  0    8 25 28 23   16 24 25
Dewpt         27  9 -4  -11 -5  2  3   -4  4  3  0    7 21 22 20   14 20 22
PWind dir         N       N    NE       E    NE      SE     S       W    SW
Wind char        GN      GN    LT      LT    LT      LT    GN      GN    LT
Avg clouds    OV B2 B2   OV OV B2 OV   OV OV B2 B2   B2 B2 B1 B1   B1 B1 B1
PoP 12hr         70      40    50      60    40      10    10      10    10
Snow           L  L  C    C  C  C  L    C  C  S

$$
MTZ024-091100-
Sidney-Richland MT
47.70N 104.20W Elev. 1985 ft
223 PM MST Mon Dec 8 2025

Date          Mon 12/08/25      Tue 12/09/25            Wed 12/10/25         Thu
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          43           7          29          15
Temp             35 30 30 34 38 40 41 38 32 27 20 13 11 12 18 24 25 25 24 23 19
Dewpt            32 29 30 33 37 38 38 32 27 24 17 10  8 10 13 19 23 24 24 22 18
RH               89 96100 96 96 92 89 79 81 88 88 87 87 91 80 81 92 96100 96 96
Wind dir          W SW SW SW SW  W  W NW NW NW NW NW  N  E SE SE SE SE  S NW NW
Wind spd         11 10 13 18 24 28 33 35 26 17 11  5  2  3  5 10 10 10 10 10 11
Wind gust                 31 39 44 50 54 36 27
Clouds           B2 B2 B2 OV OV OV B2 FW FW FW FW SC B1 B2 OV OV OV OV OV B2 B2
PoP 12hr                     50          30           0          40          50
QPF 12hr                   0.05        0.04           0        0.08        0.04
Snow 12hr                 00-00       00-00       00-00
Frzg rain                                                               C  C  C
Rain                       C  C  S
Snow                                                        C  C  C  C        C
Wind chill                23 27 29 29 25 19 14  9                         12  6
Min chill        26    19    20    26    18     6    -1     4    12    13     6
High Wind               W  W  W  W  W  W
Winter Weath            Y  Y  Y  Y  Y


Date           12/11/25  Fri 12/12/25  Sat 12/13/25  Sun 12/14/25  Mon 12/15/25
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          25     -14    -1     -10     6      -9    26       0    19
Temp          22 11 -4  -10 -6 -3 -4   -7  4  3 -6    1 15 19 14    7 14 14
Dewpt         21  7 -7  -15-12 -8 -5   -8  0 -1 -8    0 13 17 12    6 13 11
PWind dir        NW      NW    NW       E     E       E    SE       W     W
Wind char        GN      GN    LT      LT    LT      LT    GN      LT    LT
Avg clouds    OV B2 B2   B2 B2 B2 OV   OV OV B2 B2   B2 B2 B2 B1   SC SC B1
PoP 12hr         40      30    10      40    30      10     5      10     5
Frzg rain      C
Snow           C  C  C             C    C  C  C

$$
MTZ025-091100-
Glendive-Dawson MT
47.13N 104.80W Elev. 2457 ft
223 PM MST Mon Dec 8 2025

Date          Mon 12/08/25      Tue 12/09/25            Wed 12/10/25         Thu
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                      32          46          17          34          21
Temp             38 33 33 36 40 42 42 39 35 30 27 21 19 20 26 32 31 30 28 28 24
Dewpt            33 31 31 34 37 39 40 32 29 26 22 18 17 19 22 29 31 29 28 27 23
RH               82 92 92 92 89 89 93 76 78 85 81 88 92 96 85 88100 96100 96 96
Wind dir          W SW SW SW  W  W NW NW NW NW NW NW SW SE SE SE SE  S  W NW NW
Wind spd         11 11 16 21 26 31 35 36 26 18 11  5  2  3  5 10 10 10 10 11 11
Wind gust                 33 41 46 50 52
Clouds           OV B2 B2 OV OV B2 B2 FW FW FW FW SC B1 OV OV OV OV OV OV OV OV
PoP 12hr                     50          30           0          50          50
QPF 12hr                   0.03        0.04           0        0.17        0.01
Snow 12hr                 00-00       00-00       00-00
Frzg rain                                                            C  C  C  C
Rain                       C  C  S                             C
Snow                                                        C  C  C
Wind chill             22 25 29 31 31 26 23 19 16                         17 13
Min chill        30    22    23    28    22    14     9    15    21    18    12
High Wind               W  W  W  W  W  W
Winter Weath            Y  Y  Y  Y  Y


Date           12/11/25  Fri 12/12/25  Sat 12/13/25  Sun 12/14/25  Mon 12/15/25
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      -9     2      -5    10      -3    30       6    23
Temp          27 16  0   -7 -4  1  1   -2  6  6  0    5 21 22 19   11 18 18
Dewpt         26 12 -4  -13 -9 -3  0   -3  4  4 -2    5 20 19 17   10 18 16
PWind dir        NW       N     N       E    NE       E     S       W     W
Wind char        GN      GN    LT      LT    LT      LT    GN      GN    LT
Avg clouds    OV B2 B2   B2 B2 B2 OV   OV OV B2 B2   B2 B2 B1 B1   SC SC SC
PoP 12hr         50      30    20      50    30      10     5      10     5
Frzg rain      C
Snow           C  C  C    S     S  C    C  C  S

$$