Point Forecast Matrices
Issued by NWS Glasgow, MT

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Point Forecast Matrices
National Weather Service Glasgow MT
149 PM MST Mon Dec 1 2025

MTZ017-021100-
Glasgow-Valley MT
48.22N 106.61W Elev. 2293 ft
149 PM MST Mon Dec 1 2025

Date          Mon 12/01/25      Tue 12/02/25            Wed 12/03/25         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                       8          32          -7          12           3
Temp          11  8 10 14 20 22 24 29 31 27 17  9  3 -2 -7  3 10  8  5  6  9 14
Dewpt          5  6  7 11 17 19 22 27 28 24 13  6  0 -4 -8  2  8  5  4  5  8 13
RH            76 91 87 88 88 88 92 92 88 88 84 87 87 91 95 95 91 87 95 96 96 96
Wind dir      SW  E SE  W  W  W  W NW NW NW  N  N  N  N NE SE SE SE SE SE SW  W
Wind spd       1  1  1  2  4  9 12 14 14 14 13 10  8  5  3  4  5  5  5  5  8 10
Clouds        FW B2 OV OV OV OV OV B1 B2 OV OV B1 B1 B1 SC SC SC B1 B2 OV B2 B2
PoP 12hr                     20          10          10           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Wind chill                   11 12 18    16  2 -5-11-14          -4       -2  1
Min chill         6     2     6     9    15    -6   -17   -19    -4    -6    -4


Date           12/04/25  Fri 12/05/25  Sat 12/06/25  Sun 12/07/25  Mon 12/08/25
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          30      17    29       2    13      -3    25      13    34
Temp          26 27 25   22 26 22 17    8 10  9  4   -2 11 21 19   21 29 29
Dewpt         25 25 23   21 25 21 15    6  9  7  3   -3 11 19 17   19 27 25
PWind dir         W       W    NW      NE    NE       E    SE      SW     W
Wind char        GN      GN    GN      GN    GN      LT    LT      GN    GN
Avg clouds    B2 B1 OV   OV OV B2 OV   OV OV B2 OV   B2 OV B2 B2   B1 SC SC
PoP 12hr          5      30    30      60    30      20    10      10     5
Snow                 C    S     C  L    L  C  S  S

$$
MTZ020-021100-
Wolf Point-Western Roosevelt MT
48.10N 105.58W Elev. 1985 ft
149 PM MST Mon Dec 1 2025

Date          Mon 12/01/25      Tue 12/02/25            Wed 12/03/25         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                       5          31          -9          11          -2
Temp           9  7  7 11 18 21 22 29 30 25 15  8  2 -4 -8  3 10  4  1  4 10 15
Dewpt          1  4  4  8 16 19 20 25 25 22 12  5 -1 -6-10 -1  4  1  0  2  8 13
RH            69 87 87 87 92 92 92 85 81 88 88 87 87 91 91 83 76 87 95 91 91 92
Wind dir       W  W SW SW  W  W  W  W NW NW  N  N  N  N NW SW SW  S  S  S SW  W
Wind spd       6  4  1  4 10 11 14 14 12 12 12 10  6  4  2  3  5  5  4  5  8 10
Clouds        FW B2 OV OV OV OV OV OV B2 OV OV OV B2 SC SC CL CL FW B1 B2 OV B2
PoP 12hr                     10          10          10           0           0
QPF 12hr                      0           0           0           0           0
Snow 12hr                 00-00       00-00       00-00
Snow                                      S
Wind chill    -2           6  9  9 18    14  1 -6-10             -7    -7 -2  2
Min chill        -5    -2     2     6    14    -6   -16   -19    -8   -10    -4


Date           12/04/25  Fri 12/05/25  Sat 12/06/25  Sun 12/07/25  Mon 12/08/25
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      16    30       1    13      -5    25      11    35
Temp          27 27 24   22 28 21 14    6 10  8  2   -4 13 17 17   18 29 29
Dewpt         24 25 23   21 24 19 13    5  7  7  0   -5 10 15 15   17 25 25
PWind dir         W       W    NW      NE    NE       E    SE      SW     W
Wind char        GN      GN    GN      GN    GN      LT    LT      GN    GN
Avg clouds    B2 B1 OV   OV OV B2 OV   OV OV B2 OV   B2 OV B2 B2   B1 SC SC
PoP 12hr          5      30    20      60    40      20    10      20     5
Snow                 C    S     S  L    C  C  C  S             S

$$
MTZ022-021100-
Jordan-Garfield MT
47.33N 106.95W Elev. 2661 ft
149 PM MST Mon Dec 1 2025

Date          Mon 12/01/25      Tue 12/02/25            Wed 12/03/25         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                      18          35           1          22           9
Temp          29 22 24 26 30 30 30 34 33 30 25 16 10  4  1 12 20 16 14 16 20 21
Dewpt         21 16 19 22 25 27 27 30 30 30 25 16  9  3  1 10 17 14 13 15 17 18
RH            72 77 81 85 81 88 88 85 89100100100 96 95100 91 88 92 96 96 88 88
Wind dir      SW SW  W  W  W  W  W NW NW NW  N  N  N  N SW  S  S  S  S SW  W  W
Wind spd       5  6  8 11 16 20 19 16 16 13 13 10  5  2  2  4  5  6  6  8  9 10
Clouds        FW B2 OV OV OV OV OV OV OV OV OV OV OV OV B2 SC FW FW SC OV B2 B2
PoP 12hr                     40          50          40           0           0
QPF 12hr                   0.01        0.03        0.02           0           0
Snow 12hr                 00-00       00-00           T
Frzg rain                  C
Rain                                C
Snow                       C  C  C  C  S  C  C  C  S
Obvis                              PF PF
Wind chill             15 18 18 17 23       13  4                       5  9 10
Min chill        13    10    15    16    19     3    -5     1     6     4     7


Date           12/04/25  Fri 12/05/25  Sat 12/06/25  Sun 12/07/25  Mon 12/08/25
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          35      20    34       7    23       3    36      21    39
Temp          31 31 28   25 31 26 23   15 18 16 11    5 23 33 28   26 34 33
Dewpt         27 28 26   24 30 26 23   15 17 16 11    5 21 30 26   24 29 29
PWind dir         W       W    NW       S    NE       E    SW       W     W
Wind char        GN      GN    GN      GN    GN      LT    LT      GN    GN
Avg clouds    B1 B1 OV   OV OV B2 OV   OV OV B2 OV   B2 B1 B1 B2   SC FW SC
PoP 12hr         10      40    40      70    50      30    10      10     5
Frzg rain            C    C
Rain                            C
Snow                      C  S  C  L    L  C  C  C    S

$$
MTZ024-021100-
Sidney-Richland MT
47.70N 104.20W Elev. 1985 ft
149 PM MST Mon Dec 1 2025

Date          Mon 12/01/25      Tue 12/02/25            Wed 12/03/25         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                       8          33          -7          11          -2
Temp          15 11  9 14 22 26 27 31 32 28 19 12  6 -1 -6  5 10  4  1  5 12 17
Dewpt          8  8  7 11 20 23 25 29 28 26 17  9  4 -3 -7  2  4  1  0  3 11 16
RH            73 87 91 88 92 88 92 92 85 92 92 87 91 91 95 87 76 87 95 91 96 96
Wind dir       W SW SW SW SW  W  W  W NW NW  N  N  N  N NW  W SW  S  S  S SW SW
Wind spd       5  5  4  8  8 11 17 13 13 12 13 11  9  5  3  2  5  4  4  5  6  9
Wind gust                       28
Clouds        CL B1 OV OV OV OV OV B2 B2 OV OV OV OV B2 SC CL CL CL FW B2 B2 OV
PoP 12hr                     20          20          10           0           0
QPF 12hr                      0           0        0.01           0           0
Snow 12hr                 00-00       00-00           T
Snow                          S
Wind chill              3    15 14       17  6 -2 -7-13                -6  1  5
Min chill         0    -2     5    13    16    -3   -14   -18    -7   -10    -3


Date           12/04/25  Fri 12/05/25  Sat 12/06/25  Sun 12/07/25  Mon 12/08/25
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      19    30       5    16      -3    28      13    34
Temp          28 28 25   24 28 22 16   10 13 10  4   -2 15 19 19   20 30 29
Dewpt         27 27 24   23 27 21 16   10 13  9  3   -2 15 18 19   19 29 26
PWind dir         W       W    NW      NE    NE       E     S      SW     W
Wind char        GN      GN    GN      LT    GN      LT    LT      LT    GN
Avg clouds    OV B2 OV   OV OV B2 OV   OV OV B2 OV   OV OV B1 OV   B2 SC SC
PoP 12hr          5      20    20      50    30      20     5      10     5
Frzg rain            S
Snow                 S    S     S  C    C  C  S  S

$$
MTZ025-021100-
Glendive-Dawson MT
47.13N 104.80W Elev. 2457 ft
149 PM MST Mon Dec 1 2025

Date          Mon 12/01/25      Tue 12/02/25            Wed 12/03/25         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                      15          34          -1          13           3
Temp          25 19 16 20 27 29 29 33 34 30 24 16  9  4 -1  8 13  9  6  8 13 17
Dewpt         16 15 14 17 24 25 27 32 31 29 22 14  7  1 -1  5  8  6  5  7 12 16
RH            68 84 92 88 88 85 92 96 89 96 92 92 91 87100 87 80 87 96 96 96 96
Wind dir      SW SW SW SW SW  W  W NW NW NW  N  N  N  N NW SW SW  S  S SW SW SW
Wind spd       4  5  5  6  9 11 13 13 14 12 13 13 10  5  3  3  5  5  5  6  9 10
Clouds        CL SC B2 OV OV OV OV OV OV OV OV OV OV B2 B1 SC CL CL CL B1 B2 B2
PoP 12hr                     20          20          20           0           0
QPF 12hr                   0.01        0.02        0.01           0           0
Snow 12hr                 00-00       00-00           T
Frzg rain                        S
Rain                                   S
Snow                          S  S           S
Wind chill                      18    23    11  2 -5 -8             -5 -3  1  5
Min chill        10     6    12    17    19     0   -10   -13    -2    -5    -1


Date           12/04/25  Fri 12/05/25  Sat 12/06/25  Sun 12/07/25  Mon 12/08/25
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          32      21    31       9    21       2    30      18    37
Temp          29 29 27   25 29 25 20   14 17 15  8    3 18 23 23   24 32 31
Dewpt         27 27 26   24 29 25 20   14 17 14  8    3 18 22 22   22 30 29
PWind dir         W       W    NW      NE     N      NE    SW      SW     W
Wind char        GN      GN    GN      GN    GN      LT    LT      GN    GN
Avg clouds    B2 B1 OV   OV OV B2 OV   OV OV B2 B2   B2 B1 B1 B2   B1 SC SC
PoP 12hr          5      30    20      60    40      20     5      20     5
Frzg rain            S                                         S
Snow                 S    C  S  S  C    L  C  S  S    S

$$